CN202900241U - Oil-gas-water three-phrase multifunctional detection device - Google Patents
Oil-gas-water three-phrase multifunctional detection device Download PDFInfo
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- CN202900241U CN202900241U CN 201220560394 CN201220560394U CN202900241U CN 202900241 U CN202900241 U CN 202900241U CN 201220560394 CN201220560394 CN 201220560394 CN 201220560394 U CN201220560394 U CN 201220560394U CN 202900241 U CN202900241 U CN 202900241U
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Abstract
The utility model provides an oil-gas-water three-phrase multifunctional detection device which comprises an oil-gas-water separation storage tank, a gas flow generating and regulate-control device, a liquid flow generating and regulate-control device and a multifunctional well casing device. The oil-gas-water separation storage tank is a device used for separating oil-gas-water mixed fluid, storing liquid and adjusting liquid parameters. The gas flow generating and regulate-control device is a generation device for gas, and is used for supplying power for flowing of the gas, indicating flow quantity of the gas, and adjusting the flow quantity of the gas so as to enable the flow quantity to be constant. The liquid flow generating and regulate-control device is used for supplying the power for flow of liquid, indicating flow quantity of the liquid, and adjusting the flow quantity of the liquid so as to enable the flow quantity to be constant. The multifunctional well casing device is provided with a replaceable well barrel and drives the replaceable well barrel to deflect.
Description
Technical field
The utility model relates to the oil field development technical field, particularly relates to a kind of oil gas water three phase multifunctional detecting device.
Background technology
To flow in sleeve pipe be a complicated technical problem to the oil gas water three phase fluid in the oil well.In order to understand the flow regime of oil gas water in the cased well, the research flowing law is measured each the single-phase output in flowing, and by setting up " oil-gas-water three-phase flow experimental facilities ", the crude oil in the simulation well, natural gas, formation water flow in sleeve pipe.Use this class device, carry out correlation between the many kinds of parameters such as output of flow, flow velocity, each phase of oil gas water of scale, the experimental study borehole fluid of logger, for produce, scientific research provides experimental data.
Early Oil Gas Water Three Phase Facility in the world, the 1970's were built in houston, u.s.a university, and domestic the 1980's of same device are built in Daqing oil field.In generation nineteen ninety, is domestic many oil fields, scientific research institution later on, in succession built " oil-gas-water three-phase flow experimental facilities ", they can realize the regulation and control of oil-gas-water three phase flow quantity, these fluids are (building block of device) mixed flow in simulation well, simulate the ambient conditionss such as flow of borehole fluid, satisfied the demand of general production, scientific research.
Along with going deep into of scientific research, need for environment except the different flow of needs simulation, also needs the fluid behaviour parameter of simulating oil-water, such as viscosity, salinity, density etc. further near the oil well actual environment in the well of simulating to installing.But original device can not satisfy this demand, because in case change the fluid parameters such as fluid viscosity, salinity, meeting be the problem generations such as (flow meter is subjected to indeterminacy behind the viscosity influence in the device), component corrosion impaired (after the corrosion fluid contamination, device precision poorer), section of tubing obstruction so that the observing and controlling precise decreasing of device; In addition, the original device device is huge, and cost is high, and flow is at scope 0-600m
3The device of/d also needs to drop into millions of units (RMB); Moreover original device relies on high precision flow (such as mass flowmenter) measuring flow, when low discharge, flow measurement (control) precision of liquid, gas body is low; Also have, original device only is convenient to simulation oil well 5.5in (inch) 7in minority sleeve pipe, be inconvenient to simulate pipe with small pipe diameter (100mm following) pipeline, can not control fluid mixability (emulsification degree), separate out the uniform micro-bubble of natural gas in can not simulation well in the crude oil; Can not effectively control, measure little tolerance; Can not control gas distribution in borehole fluid; Only be used for the oil well Fluid Flow in A, be inconvenient to check domestic water meter, gas meter; The flow instrument that is used for the check logger is inconvenient to check the flow meter of other kinds etc.That is to say, original device have function singleness (special-purpose and only can analogue flow rate change), cost high, with low discharge under the defective of low precision.
Above many disadvantages, so that can not having satisfied, produces and the scientific research demand original device, for example, find in the production practices, the parameter such as viscosity, salinity, there is obviously impact in condenser type holdup (space occupancy of phase volume in flowing) meter, need to determines its influence degree with research technique, original device can not be realized this experiment.The oil mixing with water state affects logging tool response, and original device can not be simulated etc.We have invented a kind of new oil gas water three phase multifunctional detecting device for this reason, have solved above technical problem.
Summary of the invention
The purpose of this utility model provides a kind of low cost, high accuracy, multi-functional oil gas water three phase multifunctional detecting device.
The purpose of this utility model can be achieved by the following technical measures:
This oil gas water three phase multifunctional detecting device comprises that oil and gas and water is from storage tank, gas flow produces and regulation device, fluid flow generation and regulation device and multi-functional well casing device, this oil and gas and water is the device that carries out the separation of oil gas water fluid-mixing from storage tank, and carry out the adjustment of liquid storage and liquid parameter, it is the generation device of gas that this gas flow produces with regulation device, the power of gas flow is provided and indicates the flow of gas, the size of adjusting gas flow makes constant flow, this fluid flow produces with regulation device and is connected in this oil and gas and water from storage tank, the power of liquid flow and the flow of indicating liquid are provided, the size of regulating fluid flow makes constant flow, this multi-functional well casing device is connected in this gas flow generation and regulation device and this fluid flow and produces and regulation device, have replaceable pit shaft in this multi-functional well casing device, and drive this replaceable pit shaft deflection.
The purpose of this utility model also can be achieved by the following technical measures:
This oil gas water three phase multifunctional detecting device comprises that also oil gas water flow measures tank, and this oil gas water flow is measured tank and is connected in this multi-functional well casing device, with the measurement of the single-phase flow that carries out oil gas water three phase.
This oil gas water flow is measured tank and is comprised transparent outer tank, interior outer tank clearance volume rule, transparent inner canister, interior tank volume rule, the inner canister stay cord, pulley, counterweight, support and measurement fluid enter pipe, this transparent inner canister is positioned at this transparent outer tank, and the top of this transparent inner canister is connected in this inner canister stay cord, and links to each other with this counterweight by this pulley on this support, this measurement fluid enters pipe and is connected in this transparent inner canister, enter the pipeline of this transparent inner canister for fluid, tank volume rule is positioned on this transparent inner canister, to read fluid volume in this, should be positioned on this transparent outer tank by interior outer tank gap rule, carry out the metering of this fluid volume according to rule indicated water surface elevation in outer tank gap in this.
This oil gas water flow measurement tank comprises that also fluid enters pipe and opens and closes the mutual exclusion linkage valve, and whether this switching mutual exclusion linkage valve control fluid enters this oil gas water flow measurement tank of inflow the pipe from this fluid.
This oil gas water flow is measured tank and is also comprised the gas exhaust-valve, emptying rate of liquid pump and liquid non-return valve door, this emptying rate of liquid pump is transported to this oil and gas and water from storage tank through this liquid non-return valve door with profit liquid, and this gas exhaust-valve is emptying from this transparent inner canister with gas.
This oil gas water three phase multifunctional detecting device also comprises the flow apparatus connecting line, and this flow apparatus connecting line is the connecting line between all parts in this oil gas water three phase multifunctional detecting device.
This oil and gas and water comprises that from storage tank oil and gas and water is from the profit storage tank, heavy oil and concentrated water storage tank, oil gas water enters pipeline, flowline, outlet conduit, the first control valve and the second control valve, fluid enters pipeline from this oil gas water and enters this oil and gas and water from the profit storage tank, and carry out under water in the profit storage tank in this oil and gas and water, separation on the oil, oil after the separation enters this heavy oil and concentrated water storage tank by this flowline, water after the separation enters this heavy oil and concentrated water storage tank by this outlet conduit, add a certain amount of heavy oil by this first control valve to the trapped fuel space in this heavy oil and the concentrated water storage tank, add a certain amount of concentrated water by this second control valve to the water space in this heavy oil and the concentrated water storage tank.
This gas flow produces with regulation device and comprises air compressor; knob is shut down in overvoltage; gas effusion control valve; gas gauge; the gas flow regulating valve door; gas flow dial gauge and outlet pipe; be transported to this oil gas water three phase multifunctional detecting device from this outlet pipe behind the air compressing of this air compressor extraction environment space; when the air pressure of knob after compression shut down in this overvoltage above predetermined pressure; carry out automatic shutdown protection; this gas flow dial gauge is indicated the flow of the air after this compression; this gas gauge is indicated the pressure of the air after this compression, and this gas effusion control valve and this gas flow regulating valve door are regulated the flow of the air after this compression.
This oil gas water three phase multifunctional detecting device comprises that the generation of first liquid flow and regulation device and second liquid flow produce and regulation device, this first liquid flow generation links to each other with the oil reservoir of this oil and gas and water from the profit storage tank with regulation device, and this second liquid flow generation links to each other with the water layer of this oil and gas and water from the profit storage tank with regulation device.
This fluid flow produces with regulation device and comprises liquor pump; liquid enters pipeline; superpressure automatic back flow valve; return valve; pressure meter; the fluid flow dial gauge; flow control valve and fluid pipeline; this oil and gas and water enters pipeline from the liquid in the profit storage tank by this liquid and is extracted by this liquor pump; and pressurize to liquid by this liquor pump; liquid after this pressurization is leaded up to this liquid that this return valve turns back to the entrance of this liquor pump and is entered pipeline; again be inhaled into this liquor pump; another road of liquid after this pressurization is through this flow dial gauge indication flow; this flow control valve adjust flux; enter this oil gas water three phase multifunctional detecting device from this fluid pipeline outflow; when the pressure of the liquid of this superpressure automatic back flow valve after this pressurization surpasses predetermined pressure, carry out the protection of overvoltage automatic back flow, this pressure meter shows the pressure of the liquid after this pressurization.
This multi-functional well casing device comprises fluid inlet, fluid issuing, device unitary rotation axle, fluid return line hold concurrently skeleton and the transparent pit shaft of reducing, fluid enters the transparent pit shaft of this reducing by this fluid inlet, and flow out from this fluid issuing by this fluid return line skeleton of holding concurrently, this device unitary rotation axle is connected in this fluid return line skeleton of holding concurrently, so that this multi-functional well casing device unitary rotation.
This multi-functional well casing device also comprises the well casing base, the well casing footstock, seal cover, cable seal device and telescopic sealing hoop, this well casing base is positioned at the bottom of this multi-functional well casing device, the bottom is connected in this fluid inlet, this fluid origin produces and regulation device in this fluid flow, mix in the bottom and flow into the transparent pit shaft of this reducing, this pit shaft base top connects this telescopic sealing hoop, the above transparent pit shaft of this reducing that connects of this telescopic sealing hoop, the transparent pit shaft of this reducing top is connected to this well casing footstock, this well casing footstock comprises two outlets, this fluid issuing that outlet is the side, connect this fluid return line skeleton of holding concurrently, enter the Fluid Circulation of this oil gas water three phase multifunctional detecting device from this fluid return line skeleton of holding concurrently, another outlet is the sealing lid on top, sealing covers the cable seal device is installed, the cable of this logger is connected to outside the transparent pit shaft of this reducing by this cable seal device, and sealing lid stops the effusion of this fluid and allows the passing through of cable of this logger.
This multi-functional well casing device also comprises flow meter, and this flow meter is replaced the transparent pit shaft of this reducing, to carry out the detection of domestic water meter, gas meter.
Oil gas water three phase multifunctional detecting device in the utility model, in the practice of long-term use " oil-gas-water three-phase flow experimental facilities ", certain shortcomings and deficiencies of this device have constantly been found, simultaneously, also step by step its part is transformed, constantly improve its function, use simple control technique, progressively substitute the facility of original device complexity, greatly reduced equipment cost; By improving the process relation of all kinds of facilities of original device, realized high-precision measurement and the control under the low discharge; Need according to scientific research, constantly increase by a new function, especially change the isoparametric function of fluid viscosity etc.These changes are integrated, consisted of the oil gas water three phase multifunctional detecting device in the utility model.Oil gas water three phase multifunctional detecting device in the utility model uses the respectively adjusting of easy control technique, gas, the single-phase pressure of water, thereby has regulated and control its uninterrupted, realizes that flow measuring and controlling is low-cost; Use and measure the tank measuring flow, avoid the fluid parameters such as viscosity, salinity to the adverse effect of flow meter, guaranteed the measurement high accuracy; Critical piece adopts corrosion-resistant equipment to solve the not corrosion resistant problem of original device; The simulation well casing device of displacement easy to use is realized the detection of multiple instrument, uses the variation of target; The automatic separating cycle that profit exempts to control is used; In implementing, liquid storage regulates and control the parameters such as fluid viscosity, salinity.Guaranteed high accuracy, multi-functional, the cheaply realization of characteristics of device by above measure, the experimental facilities of new function can be provided for laboratory, oil field, scientific research institutions laboratory, Research on Oil OIH air water flowing law has been had important function.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is that oil and gas and water among Fig. 1 is from the structural representation of depositing tank;
Fig. 3 is that the gas flow among Fig. 1 produces the structural representation with regulation device;
Fig. 4 is that the fluid flow among Fig. 1 produces the structural representation with regulation device;
Fig. 5 is the structural representation of multi-functional well casing device among Fig. 1;
Fig. 6 is another structural representation of multi-functional well casing device among Fig. 1;
Fig. 7 is the structural representation that the oil gas water flow among Fig. 1 is measured tank;
Fig. 8 uses the present invention to carry out electric capacity specific retention logger to be subject to viscosity of crude and to affect the experimental result chart board.
The specific embodiment
For above and other purpose of the present utility model, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below.
Oil gas water three phase multifunctional detecting device of the present utility model is a kind of Experimental Establishment of simulating the multiple fluid mixed flow, and its main body is the piping installation that a Fluid Circulation flows.Oil gas water mixed flow in the device, wherein the flow capable of regulating of each monophasic fluid, can control.The parameter of the fluid self that flows in the pipeline of device allows to change (oil viscosity, density, water salinity etc.).Multi-functional well casing device in the device, it is the utility member of implement device function, flow the several functions such as the calibration check of logger, the check of civilian gas meter water meter by what it implemented " simulation oil well in oil-gas-water multiphase fluid flow ", simulation straight well, inclined shaft, horizontal well.
As shown in Figure 1, Fig. 1 is the structure chart of a specific embodiment of oil gas water three phase multifunctional detecting device of the present utility model.This oil gas water three phase multifunctional detecting device is produced with regulation device 102, fluid flow generation from storage tank 101, gas flow by oil and gas and water and forms with functional modules such as regulation device 103, multi-functional well casing device 104, oil gas water flow measurement tank 105 and flow apparatus connecting lines 106.
Oil and gas and water is devices that the separation of carrying out oil gas water fluid-mixing, storage, liquid parameter are adjusted from storage tank 101, it realizes the separation of oil gas water fluid-mixing, carry out liquid storage, recycle, also be used for the isoparametric adjustment of viscosity, salinity of liquid medium.
It is generation devices of gas that gas flow produces with regulation device 102, and the power of gas flow is provided, and directly indicates the flow of gas, and the size of adjustable gas flow and make gas flow constant.
Fluid flow produces with regulation device 103 and is connected in oil and gas and water from storage tank 101, and the power of liquid flow is provided, and can directly indicate the flow of oil, water, and regulates the size of oil, discharge and keep constant.
Multi-functional well casing device 104 is connected in gas flow and produces and regulation device 102 and fluid flow generation and regulation device 103, can replace pit shaft in the multi-functional well casing device 104, and can drive pit shaft deflection.The function of the pit shaft of displacement well casing, pit shaft is replaced into different internal diameter pipelines, and the sleeve pipe of just having simulated plurality of specifications domestic water meters (oil meter, gas meter) to be detected such as pit shaft displacements, just can be implemented check or the scale of instrument.Use transparent material to make pit shaft, can the fluid flow process observe record; The pit shaft two ends are increased immediate action valve, can moment intercept borehole fluid, measure the holdup of fluid-mixing, obtain total flow in the well, holdup, hole deviation, fluid viscosity, density, etc. the mutual relation of restriction between the many kinds of parameters.These relations are basic datas of experimental study heterogeneous fluid mixed flow rule, use this device, can simulate more parameter, and experimental result more near oil well reality, has more scientific research value.
Change the tilt angle theta of well casing; just simulated the Fluid Flow in A in the oil well of different gradients; logger is inserted in the well casing; simulate well logging; realize various hole deviations, flow, contain rate the logger " scale " under the ratio of total flow (the single-phase flow with) condition; after the viscosity dielectric property of fluid in the well casing changed, the modular ring border was more near the actual environment of oil well, the better effects if of instrument calibration.
Oil gas water flow is measured tank 105 and is connected in multi-functional well casing device 104 and flow apparatus connecting line 106, the function of the accurate measurement of the single-phase flow (and total flow) of realization oil gas water three phase.
Oil gas water three phase multifunctional detecting device of the present utility model is when operation, the overall flow cyclic process of fluid: profit flows out 101 from oil and gas and water from storage tank, produce and regulation device 103 superchargings through fluid flow, produce fluid flow, gas directly from 102 superchargings of environment space process gas generating unit, produces gas flow.From gas generating unit 102, fluid flow produces the fluid that flows out with regulation device 103, through flow apparatus connecting line 106, mix the bottom that flow into multi-functional well casing device 104, then the multi-functional well casing device 104 of upwards flowing through, the two-way that after flow apparatus connecting line 106 turns back to the bottom, is divided into again alternative from the top, one the tunnel is to enter oil gas water flow to measure tank 105, carry out the accurate measurement of high-precision oil-gas-water three phase flow quantity, liquid turns back to oil and gas and water from storage tank 101, the sustainable participation Fluid Circulation after measuring; The second the tunnel is that fluid directly returns oil and gas and water from storage tank 101 after multi-functional well casing device 104 flows out.In oil and gas and water in storage tank 101, realize oil and gas and water from, wherein gas is overflowed from 101 top, access to plant again after the fluid separation applications, fluid so circulation is more than, produces and regulation device 103 terminations of pumping until gas flow produces with regulation device 102 and fluid flow, installs out of service.
Storage tank is the container of storage profit, original device generally is divided into oil tank, water storage tank, be connected to the knockout drum back, amount to 3 tank bodies and realize separation, the memory function of oil gas water, the utility model is unified 3 tanks, is called space and cost that " oil and gas and water from, storage integrated tank " saved these parts.On this basis, increased again the fluid storage tanks that (needs of new function) are adjusted for fluid parameter in order to increase " changing the functions such as fluid viscosity, salinity ".These 2 tank combinations are embodied as the function that device provides oil, water liquid, and the profit that provides allows to change viscosity, salinity, and gas does not participate in whole Fluid Circulation.As shown in Figure 2, Fig. 2 is that oil and gas and water among Fig. 1 is from the structure chart of a specific embodiment of depositing tank 1.Oil and gas and water enters pipeline 3, flowline 8, outlet conduit 9 and first control valve 10 and second control valve 11 etc. by oil and gas and water from profit storage tank 1, heavy oil and concentrated water storage tank 2, oil gas water from storage tank and forms.
The fluid separation process is: the fluid that in device, flows, and enter pipeline 3 from oil gas water and enter oil and gas and water from profit storage tank 1, in profit storage tank 1, fluid enters pipeline 3 from oil gas water and slowly flows to flowline 8 and outlet conduit 9 in oil and gas and water.Gas in the fluid-mixing, separate, overflow in very fast top from gas-water separation profit storage tank 1, the liquid of oil mixing with water, in slowly flowing, under Action of Gravity Field, naturally realize under water, the automatic separation on the oil, as long as the time is suitable, before flowing to outlet, the liquid that enters tank body just realized water-oil separating.Oil and gas and water is oil-water separating region from the entry zone 4 and 5 of profit storage tank 1, and exit region is under water storage area on the oil; Oil and gas and water is that oil and gas and water also is fluid storage tanks from tank from profit storage tank 1, is the key facility of realizing that liquid-circulating uses, fluid parameter changes.
The fluid parameter such as viscosity, salinity adjustment process is: heavy oil and concentrated water storage tank 2 are storage tanks of heavy oil, concentrated water, and heavy oil is deposited in the space 6 of tank, and concentrated water is deposited in space 7; In Fluid Flow in A, open a period of time of the first control valve 10, in fluid, increased a certain amount of heavy oil, continue circulating of fluid, and extract sample and carry out the viscosity check, until after being adjusted to predetermined value, stop, the fluid viscosity parameter of device is regulated complete.The salinity parameter adjustment process of water and viscosity adjustment process are similar in the device, open outlet conduit 9, open the second control valve 11 and to installing, inject a certain amount of concentrated water from space 7, extract the salinity of sample in measurement water after the circulation, be adjusted to predetermined value.
If simulation " polymer " (oil extraction in oil field injects the chemical industry fluid on stratum) then all is replaced into polymer to oil and gas and water from the fluid in the profit storage tank 1.All equipment uses corrosion resistant nonmetals, the corrosion of prevention high salinity liquid.The combination of series tank (container) has realized that oil gas water exempts to control the functions such as automatic separation, liquid-circulating use, viscosity, salinity regulation and control.
Liquid is 1 outflow from oil and gas and water from the profit storage tank, enters flow and produces and regulation device 103, realizes the function of Fluid Flow in A, Flow-rate adjustment, stability of flow.These functions of original device realize needing to use vacuum tank, pressure pan, pressure measxurement-automatically control of voltage stabilizing feedback, and the electric controlled regulating valve door waits complicated facility.The utility model has greatly been simplified the needed parts of realization of this function, uses the regulation and control such as easy valve, has realized the adjusting of flow and the function that automatic stabilisation flows, and under the basic the same prerequisite of function, has greatly reduced the cost of parts.
As shown in Figure 3, Fig. 3 is that gas flow among Fig. 1 produces the structure chart with an implementation example of regulation device 102.Gas flow produces with regulation device and comprises air compressor 12, and knob 13, gas effusion control valve 14, gas gauge 15, gas flow regulating valve door 16, gas flow dial gauge 17 and outlet pipe 18 are shut down in the overvoltage that air compressor 12 carries.Gas compressor 12 extracts the air of environment spaces, produces behind the gas flow from outlet pipe 18 is transported to the pipeline of device to use, and overflows in profit storage tank 1 in oil and gas and water at last, turns back to the outer space of device.When the air pressure of knob 13 after compression shut down in this overvoltage above predetermined pressure; carry out automatic shutdown protection; the flow of the gas that flows after shunting after this this compression of gas flow dial gauge 17 indications, through gas effusion control valve 14, the pressure of gas during these gas gauge 15 indications are flowed.This gas effusion control valve 14 and this gas flow regulating valve door 16 are regulated the flow of the air after this compression, and after adjusting stopped, it is constant that gas flow keeps automatically.
Gas flow produces the operation Yu running with regulation device: knob 13 is shut down in overvoltage be adjusted to predetermined pressure (overvoltage automatic shutdown protection); Half-open gas effusion control valve 14 and gas flow control valve 16; Air compressor 12 power supplies, entry into service; Air compressor 12 directly enters fluid means from outlet pipe 18 after the extracting air compression (supercharging) from environment; Observe the flow of gas flow dial gauge 17 indications, flow is less, then part is closed gas effusion control valve 14, increase the pressure of gas gauge 15, the flow of access to plant increases, gas flow dial gauge 17 is the new flow of indication automatically, also can increase the aperture of gas flow regulating valve door 16, increases equally the device flow; After flow is greater than setting value, carry out opposite operation; After adjusting stops, device will keep pressure stability, stability of flow automatically; But this is the rough demonstration of flow, guarantee the precision of flow, also needs in addition to use " flow measurement tank " to measure more accurately, again adjusts the size of flow after the measurement.
As shown in Figure 4, Fig. 4 is that fluid flow among Fig. 1 produces the structure chart with an implementation example of regulation device 103.Fluid flow produces with regulation device and comprises liquor pump 19, liquid (oil or water) enters pipeline 20 (from oil and gas and water from profit storage tank 1), superpressure automatic back flow valve 21, return valve 22, pressure meter 23, fluid flow dial gauge 24, flow control valve 25 and fluid pipeline 26.Profit uses separately respectively flow apparatus shown in Figure 4 in the device.Liquid, offers device from fluid pipeline 26 and uses from profit storage tank 1 from oil and gas and water behind the supercharging of this device, current stabilization, turn back at last oil and gas and water from profit storage tank 1, recycles.Liquid is from oil and gas and water from profit storage tank 1, be drawn into liquor pump 19 through entering pipeline 20, give the liquid supercharging through liquor pump 19, liquid flow after the supercharging is divided into two the tunnel, one the road from return valve 22 turn back to liquor pump 19 entrance enter pipeline 20, again be inhaled into liquor pump 19, this road fluid is that local circulation flows, after two road fluids increase from liquor pump 19, through inflow-rate of water turbine dial gauge 24, flow control valve 25, flow out from fluid pipeline 26, be transported to the Fluid Circulation that participates in device in the device.Liquor pump 19 output flows are fixed numbers, equal closing of one tunnel, two road flows, reconcile the aperture of return valve 22, flow control valve 25, the size of regulating exactly the second road fluid flow, after adjusting stopped, two road flow automatic stabilisations were at a definite numerical value.When the aperture of regulating return valve 22, flow control valve 25 approaches when closing simultaneously; the pressure of pressure meter 23 increases fast; in order to protect liquor pump 19; be provided with superpressure automatic back flow valve 21; when pressure surpassed predetermined pressure, superpressure automatic back flow valve 21 was automatically opened and is carried out the protection of overvoltage automatic back flow.
This liquor pump extracting liquid and pressurize to liquid from the Separate Storage integrated tank; when the pressure of the liquid after the pressurization surpasses predetermined pressure; overvoltage automatic back flow protection valve is opened automatically; guarantee that pressure no longer rises; when pressure is in normal range of operation; adjust the aperture of return valve and flow-control method; can adjust the size of flow; the flowing pressure depended on pressure table of the liquid of the flow that process is adjusted is indicated its size; size by flowmeter indication flow; enter this oil gas water three phase multifunctional detecting device by this fluid pipeline, after the adjusting that stops flow, device realizes that automatically fluid flow is constant.
The operating process of device shown in Figure 4: superpressure automatic back flow valve 21 is adjusted to predetermined pressure (protection of overvoltage automatic back flow); Half-open return valve 22 and flow control valve 25; The motor power supply, liquor pump 19 entrys into service; Enter pipeline 20 from liquid enters this device to liquor pump 19 afterwards from oil and gas and water from profit storage tank 1 extracting liquid (oil or water); Observe the flow of fluid flow dial gauge 24 indications, flow is less, then part is closed half-open return valve 22, increase the pressure of pressure meter 23, the flow of access to plant increases, fluid flow dial gauge 24 is the new flow of indication automatically, also can increase the aperture of flow control valve 25, increases equally the device flow; After flow is greater than setting value, carry out opposite operation; After adjusting stops, device will keep pressure stability (pressure meter 23 shows automatically) automatically, stability of flow (fluid flow dial gauge 24 is indicated automatically); Guarantee the precision of flow, also need to use " flow measurement tank " to measure more accurately, again adjust the size of flow, until reach predetermined value.This device has adopted the Simple process technology, realizes that the generation of fluid flow, adjustment and the automatic stabilisation of uninterrupted flow.
Fluid produces with regulation device from fluid flow and is connected the multi-functional well casing device of inflow through piping.Multi-functional well casing device is the critical piece of implement device " multi-functional ".These parts are seated on the rotary support, allow pit shaft to tilt, the simulation inclined shaft, and these parts by the displacement pipeline, are realized " caliber is regulated arbitrarily ", detect the several functions such as domestic water meter gas meter.As shown in Figure 5, Fig. 5 is the structure chart of an implementation example of multi-functional well casing device 104 among Fig. 1.Multi-functional well casing device comprises fluid inlet 27, fluid issuing 28, device unitary rotation axle 29, fluid return line hold concurrently skeleton 30, well casing base 31, the transparent pit shaft 32 of reducing, well casing footstock 33, seal cover 34, cable seal device 35 and telescopic sealing hoop 36.
Fluid enters the transparent pit shaft 32 of this reducing by this fluid inlet 27, and flow out from this fluid issuing 28 by this fluid return line skeleton 30 of holding concurrently, this device unitary rotation axle 29 is connected in this fluid return line skeleton 30 of holding concurrently, so that this multi-functional well casing device unitary rotation.This well casing base 31 is positioned at the bottom of this device, the bottom is connected in oil gas water and enters fluid inlet 27, oil gas water derives from fluid flow and produces and regulation device 103, mix and the inflow pit shaft in bottom flow import 27, the port of well casing base 31 is DN125 flanges, and its effect is to change pit shaft and support pit shaft.Connect telescopic sealing hoop 36 in the pit shaft more than the base of pit shaft, this telescopic sealing hoop connects the transparent pit shaft 32 of reducing more than 36, the effect of this telescopic sealing hoop 36 is to allow whole pit shaft flexible in certain-length, makes things convenient for installation, the replacing of pit shaft.The transparent pit shaft of reducing 32 tops are connected to well casing footstock 33, and well casing footstock 33 is positioned at the pit shaft top, and its port also is the DN125 flange, and the effect of flange also is to support fixedly pit shaft.Well casing footstock 33 is divided into two outlets, the fluid issuing 28 of first side, connecting the fluid return line skeleton 30 of holding concurrently, flow into outlet 28 and enter Fluid Circulation from hold concurrently skeleton 30 of fluid return line, it two is the seal covers 34 on top, the effect of sealing lid 34 stops the effusion of fluid but allows logging cable to pass through, and at seal cover 34 cable seal device 35 is installed, and this cable seal device 35 is used for being in the interior instrument of well logging well of pit shaft inside and being connected of ground instrument.When not using logger, seal cover 34,35 of cable seal devices play the Fluid Sealing effect.The transparent pit shaft 32 of reducing between well casing base 31, well casing footstock 33 can be replaced, and the two ends of the transparent pit shaft 32 of reducing are DN125 flanges, and the interlude of the transparent pit shaft 32 of reducing also is the required wellbore section of test, can make arbitrarily size, shape.Different sizes can be simulated the sleeve pipe of different size, and different shapes can adapt to different needs, for example installs, detects civilian flow instrument, and simulation oil well floor outlet pipeline is used for research oil well ground oil-water metering.Whole three-phase flow device multi-functional accomplished on this facility.
Whole device is around device unitary rotation axle 29, can deflection angle θ, and the oil well of simulating different gradients; When pit shaft was vertical, θ was defined as 0 °, and level is 90 °, and device can be simulated in 0-120 ° arbitrarily hole deviation angle.
Fig. 6 is the structure chart of another specific embodiment of the multi-functional well casing device 104 among Fig. 1.Basically identical with the unit number of Fig. 5, among this Fig. 6, the transparent pit shaft 32 of the reducing among Fig. 5 is replaced into the flow meter 37 of Fig. 6, to carry out the detection of domestic water meter, gas meter.From the example of Fig. 5 and Fig. 6, find out the implementation of apparatus multifunction.
As shown in Figure 1, fluid is selected through valve after flowing out from multi-functional well casing device 104, flows into oil gas water flow and measures tank 105, another crucial technology-flow high-acruracy survey in the implement device.The original device flow measurement uses the complex appts such as many (range of flow is different) flowmeter survey instrument, microcomputer interface, Survey Software to consist of, nonetheless, or under low discharge, measure inaccurate, cause the flow accuracy of device control to reduce, in addition, these flow meters can not effectively be measured full-bodied liquid (the serious variation of precision), so that the defective of the viscosity of the immutable fluid of whole device occurs.The utility model has at first changed the mode of the measuring flow of original device, material alterations have 2 points, the one, original device is implemented flow detection in the flow adjustment region, the utility model then is as on-the-spot indicating meter the flow meter in former flow control zone, formal flow measurement is changed to after the pit shaft of present zone-flow through, this change is mainly for the such problem of original device, i.e. measuring flow before pit shaft, can only guarantee the flow of the residing pipeline of flow meter, when oil gas water mixed flow, flow meter can not accurately reflect real flow in the pit shaft (zone of apparatus function performance), it is especially serious under the low discharge that (explanation of concrete reason exceeds the scope of the utility model needs, specifically do not introduce), this is to cause the original device low precision, the major reason of the low precision of especially little tolerance.Flow measurement changed to flow through after the pit shaft, what just guaranteed to measure is flow in the simulation well, has overcome the deficiency of original device.The effect that the second changes is more important-change metering system, and this flow measurement is that measuring tank is measured.Fluid metering tank measuring flow is the highest flow-measuring method of precision.The flow meter of any kind all needs to use measuring tank, uses the flow high-acruracy survey that measuring tank can assurance device.Oil gas water three phase (single-phase or two-phase or three-phase) fluid mixed flow is measured the flow of each monophasic fluid wherein simultaneously, and this measuring tank does not have actual product at present, for cooperating this new invention, special specialized designs, has made this tank.The tank body measuring flow is not affected by fluid viscosity, and high viscosity fluid is realized high-acruracy survey equally.Fig. 7 is the structure chart that the oil gas water flow among Fig. 1 is measured a specific embodiment of tank 105;
The flow measurement tank also is a dingus, by base 38, and transparent outer tank 39, interior outer tank clearance volume rule 40, transparent inner canister 41, interior tank volume rule 42, inner canister stay cord 43, pulley 44, counterweight 45, support 46, fluid enter pipe 47, open and close mutual exclusion linkage valve 48, circulation duct 49 is measured fluid and is entered pipe 50, gas exhaust-valve 51, emptying rate of liquid pump 52, liquid non-return valve door 53 compositions such as grade.
The original state of device work is to be full of in advance water 54 in the transparent inner canister 41.Transparent inner canister 41 is positioned at transparent outer tank 39, and the top of this transparent inner canister 41 is connected in inner canister stay cord 43, and links to each other with counterweight 45 by the pulley 44 on the support 46.Open and close mutual exclusion linkage valve 48 control fluids and whether enter this oil gas water flow measurement tank of inflow the pipe 47 from fluid.The measurement fluid enters pipe 50 and is connected in transparent inner canister 41, enters the pipeline of transparent inner canister 41 for fluid.Interior tank volume rule 42 is positioned on the transparent inner canister 41, and to read fluid volume, interior outer tank gap rule 40 is positioned on the transparent outer tank 39, carries out the micro-measurement of fluid volume according to interior outer tank gap rule 40 indicated water surface elevations.Cooperate time measurement.Measure the total flow of fluid, measure respectively the individual event volume of oil gas water, measure simultaneously respectively the individual event flow of oil, gas, water.
Emptying rate of liquid pump 52 is transported to oil and gas and water in storage tank 101 (Fig. 1) to profit liquid through liquid non-return valve doors 53, and gas exhaust-valve 51 is used for gas emptying from transparent inner canister 41.
The measuring process of oil gas water volume flow: need stopwatch (timer) to cooperate; The fluid of device is under non-measuring state, enter pipe 47 from fluid and flow into, through opening and closing the control of mutual exclusion linkage valve 48, this measurement tank of not flowing through, but directly flow to the oil and gas and water of bigger device from storage tank 101(Fig. 1 by circulation duct 49), participate in Fluid Circulation.Carve at a time, turn switching mutual exclusion linkage valve 48(measurement is opened and is made, timing begins), fluid enters pipe 50 by the measurement fluid and enters in the transparent inner canister 41, along with fluid total volume accumulates in tank, gravity reduced after transparent inner canister 41 was subjected to the effect of fluid buoyancy, add counterweight 45 pulling force effects, transparent inner canister 41 is upwards floating, flow in the process of transparent inner canister 41 at fluid, gas is overflowed from liquid fast and is gathered in the top of transparent inner canister 41, the bottom of transparent inner canister 41 is except the water that originally prestored, newly increase oil mixing with water liquid, behind t after a while, turn opens and closes mutual exclusion linkage valve 48(timing and finishes again), fluid enters pipe 47 from fluid and flows directly into circulation duct 49, no longer flows into to measure tank.Fluid to be measured in the tank, wait for the number minutes, the profit natural separation of liquid, adjust the weight of regulating counterweight 45, the upper surface of liquid is in identical height (pressure that guarantees gas in the inner canister 41 equals the outer atmospheric pressure of tank body between the liquid upper surface of guaranteeing transparent inner canister 41 and the interior outer tank, standard pressure), tank volume rule 42 reads gas volume Vgas in using, oil volume Voil, water volume Vwater, and outer tank gap rule 40 indicated water surface elevations carry out the trace adjustment of fluid volume in using, obtain the inflow tank body oil gas water volume Vg in the time t, Vo, Vw, the total volumetric flow rate Q=(Qg+Qo+Qw) of the oil gas water fluid-mixing of then surveying/t=Vg/ t+Vo t /+Vw/ t=gas flow+oily flow+discharge.After measuring end, through liquid non-return valve doors 53, profit liquid is transported to knockout drum 101(Fig. 1 with emptying rate of liquid pump 52); Alleviate the weight of counterweight 45, open gas exhaust-valve 51, emptying from transparent inner canister 41 gas; Measure tank integral body and return to reset condition.Measurement is next time carried out in preparation.
Use to measure the tank measuring flow, four advantages are arranged, the one, precision is high, and the volume of tank body transmits scale with 0.02% standard meter measuring tank of national standard, and the flow measurement precision can reach 0.1%, is higher than the common discharge meter far away, especially gas flow measurement; The 2nd, long-time stability are good, and the volume of tank body is steady in a long-term constant can guarantee that certainty of measurement is stable.The 3rd, be not subjected to the impact of fluid viscosity, salinity.The 4th, cost is low.Use this metering system, overcome the problem that original device changes fluid viscosity, salinity precise decreasing.Main equipment uses nonmetals, the corrosion of prevention high salinity liquid.
According to using target, the oil gas water three phase multifunctional detecting device that the utility model proposes can become oil gas, water, single-phase flow device, profit two-phase, air-water two phase flow device.This device of concrete manufacturing can be according to Fig. 1-Fig. 7 part design figure, and according to using target, range of flow designs concrete size simultaneously.Basic principle is to adopt resistant material.
Oil is a kind of inflammable thing, is subject to management and the security control of state security department, makes and uses this device, must be according to the provisions of the relevant regulations issued by the State, and the safe handling oil product.Oil also is a kind of pollution sources, is subject to management and the control of national environmental protection department, makes and uses this device, must according to the provisions of the relevant regulations issued by the State, accept the supervision of environmental protection.This device need to be in indoor use, temperature range 0-40 ℃.The device all parts needs good earth, prevents accumulation of static electricity.Oil tank installs the breathing valve additional, and is lightning-arrest.Liquefied gas, the atomization gas inflammable explosive article of oil, dangerous.
Oil gas water three phase multifunctional detecting device in the utility model has been realized high accuracy, low cost, the multi-functional 3 heavy targets that the device oil gas water flow is measured.Liquid precision 0.1%, gas precision 0.5%.The device manufacturing cost is 1/3～1/5 of original device under equal range of flow.Kept outside the original device function continuing, newly increased and change the isoparametric function of fluid viscosity, expanded experiment accommodation, for oil field, scientific research institutions provide oil gas water multiphase experimental facilities of new generation.Use oil gas water three phase multifunctional detecting device in the utility model to carry out the irrealizable simulation experiment study of original device-degree of becoming sticky, become salinity, become the new experiment such as emulsification degree, obtain oil mixing with water flow on the experimental data of logger impact.The invention of this device is that the means that provide the foundation, facility are further goed deep in scientific research.Technological progress to the oilfield field of measuring technique is significant.
Fig. 8 uses oil gas water three phase multifunctional detecting device in the utility model to carry out electric capacity specific retention logger to be subject to viscosity of crude and to affect the experimental result chart board.The experimental result confirmation, it is very large that electric capacity specific retention logger is subject to viscosity influence, and viscosity of crude increases, the direction skew that the output of instrument increases to oil.If do not add correction, data interpretation is processed and can be had larger error.Use this device to carry out the viscosity simulated experiment, can set up the correction chart board, not only can qualitatively but also can offset quantitatively viscosity of crude to the adverse effect of logger, this is to improving interpretation of logging data precision tool important function.
Claims (10)
1. oil gas water three phase multifunctional detecting device, it is characterized in that, this oil gas water three phase multifunctional detecting device comprises that oil and gas and water is from storage tank, gas flow produces and regulation device, fluid flow generation and regulation device and multi-functional well casing device, this oil and gas and water is the device that carries out the separation of oil gas water fluid-mixing from storage tank, and carry out the adjustment of liquid storage and liquid parameter, it is the generation device of gas that this gas flow produces with regulation device, the power of gas flow is provided and indicates the flow of gas, the size of adjusting gas flow makes constant flow, this fluid flow produces with regulation device and is connected in this oil and gas and water from storage tank, the power of liquid flow and the flow of indicating liquid are provided, the size of regulating fluid flow makes constant flow, this multi-functional well casing device is connected in this gas flow generation and regulation device and this fluid flow and produces and regulation device, have replaceable pit shaft in this multi-functional well casing device, and drive this replaceable pit shaft deflection.
2. a kind of oil gas water three phase multifunctional detecting device according to claim 1, it is characterized in that, this oil gas water three phase multifunctional detecting device also comprises oil gas water flow measurement tank, this oil gas water flow is measured tank and is connected in this multi-functional well casing device, with the measurement of the single-phase flow that carries out oil gas water three phase.
3. a kind of oil gas water three phase multifunctional detecting device according to claim 2, it is characterized in that, this oil gas water flow is measured tank and is comprised transparent outer tank, interior outer tank clearance volume rule, transparent inner canister, interior tank volume rule, the inner canister stay cord, pulley, counterweight, support and measurement fluid enter pipe, this transparent inner canister is positioned at this transparent outer tank, and the top of this transparent inner canister is connected in this inner canister stay cord, and links to each other with this counterweight by this pulley on this support, this measurement fluid enters pipe and is connected in this transparent inner canister, enter the pipeline of this transparent inner canister for fluid, tank volume rule is positioned on this transparent inner canister, to read fluid volume in this, should be positioned on this transparent outer tank by interior outer tank gap rule, carry out the metering of this fluid volume according to rule indicated water surface elevation in outer tank gap in this.
4. a kind of oil gas water three phase multifunctional detecting device according to claim 3, it is characterized in that, this oil gas water flow measurement tank comprises that also fluid enters pipe and opens and closes the mutual exclusion linkage valve, and whether this switching mutual exclusion linkage valve control fluid enters this oil gas water flow measurement tank of inflow the pipe from this fluid.
5. a kind of oil gas water three phase multifunctional detecting device according to claim 3, it is characterized in that, this oil gas water flow is measured tank and is also comprised the gas exhaust-valve, emptying rate of liquid pump and liquid non-return valve door, this emptying rate of liquid pump is through this liquid non-return valve door, profit liquid is transported to this oil and gas and water from storage tank, and this gas exhaust-valve is emptying from this transparent inner canister with gas.
6. a kind of oil gas water three phase multifunctional detecting device according to claim 1, it is characterized in that, this oil gas water three phase multifunctional detecting device also comprises the flow apparatus connecting line, and this flow apparatus connecting line is the connecting line between all parts in this oil gas water three phase multifunctional detecting device.
7. a kind of oil gas water three phase multifunctional detecting device according to claim 1, it is characterized in that, this oil and gas and water comprises that from storage tank oil and gas and water is from the profit storage tank, heavy oil and concentrated water storage tank, oil gas water enters pipeline, flowline, outlet conduit, the first control valve and the second control valve, fluid enters pipeline from this oil gas water and enters this oil and gas and water from the profit storage tank, and carry out under water in the profit storage tank in this oil and gas and water, separation on the oil, oil after the separation enters this heavy oil and concentrated water storage tank by this flowline, water after the separation enters this heavy oil and concentrated water storage tank by this outlet conduit, add a certain amount of heavy oil by this first control valve to the trapped fuel space in this heavy oil and the concentrated water storage tank, add a certain amount of concentrated water by this second control valve to the water space in this heavy oil and the concentrated water storage tank.
8. a kind of oil gas water three phase multifunctional detecting device according to claim 1; it is characterized in that; this gas flow produces with regulation device and comprises air compressor; knob is shut down in overvoltage; gas effusion control valve; gas gauge; the gas flow regulating valve door; gas flow dial gauge and outlet pipe; be transported to this oil gas water three phase multifunctional detecting device from this outlet pipe behind the air compressing of this air compressor extraction environment space; when the air pressure of knob after compression shut down in this overvoltage above predetermined pressure; carry out automatic shutdown protection; this gas flow dial gauge is indicated the flow of the air after this compression, and this gas gauge is indicated the pressure of the air after this compression, and this gas effusion control valve and this gas flow regulating valve door are regulated the flow of the air after this compression.
9. a kind of oil gas water three phase multifunctional detecting device according to claim 1, it is characterized in that, this oil gas water three phase multifunctional detecting device comprises that the generation of first liquid flow and regulation device and second liquid flow produce and regulation device, this first liquid flow generation links to each other with the oil reservoir of this oil and gas and water from the profit storage tank with regulation device, and this second liquid flow generation links to each other with the water layer of this oil and gas and water from the profit storage tank with regulation device.
10. a kind of oil gas water three phase multifunctional detecting device according to claim 1; it is characterized in that; this fluid flow produces with regulation device and comprises liquor pump; liquid enters pipeline; superpressure automatic back flow valve; return valve; pressure meter; the fluid flow dial gauge; flow control valve and fluid pipeline; this oil and gas and water enters pipeline from the liquid in the profit storage tank by this liquid and is extracted by this liquor pump; and pressurize to liquid by this liquor pump; liquid after this pressurization is leaded up to this liquid that this return valve turns back to the entrance of this liquor pump and is entered pipeline, again is inhaled into this liquor pump, and another road of liquid after this pressurization is through this flow dial gauge indication flow; this flow control valve adjust flux; enter this oil gas water three phase multifunctional detecting device from this fluid pipeline outflow; when the pressure of the liquid of this superpressure automatic back flow valve after this pressurization surpasses predetermined pressure, carry out the protection of overvoltage automatic back flow, this pressure meter shows the pressure of the liquid after this pressurization.
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| CN 201220560394 CN202900241U (en) | 2012-10-30 | 2012-10-30 | Oil-gas-water three-phrase multifunctional detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931465A (en) * | 2014-03-21 | 2015-09-23 | 中国石油化工股份有限公司 | Apparatus for monitoring dissolving states of oil, gas and water in dissolving kettle, and method thereof |
| CN106194169A (en) * | 2016-09-23 | 2016-12-07 | 中国石油大学(北京) | Rough walls miniature horizontal wellbore gas liquid two-phase flow experimental provision and experimental technique |
-
2012
- 2012-10-30 CN CN 201220560394 patent/CN202900241U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931465A (en) * | 2014-03-21 | 2015-09-23 | 中国石油化工股份有限公司 | Apparatus for monitoring dissolving states of oil, gas and water in dissolving kettle, and method thereof |
| CN104931465B (en) * | 2014-03-21 | 2018-02-09 | 中国石油化工股份有限公司 | For the device and method for the dissolved state for monitoring the oil gas water in dissolution kettle |
| CN106194169A (en) * | 2016-09-23 | 2016-12-07 | 中国石油大学(北京) | Rough walls miniature horizontal wellbore gas liquid two-phase flow experimental provision and experimental technique |
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Effective date of registration: 20160526 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: SINOPEC Shengli Petroleum Administration Well Logging Company |
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