CN202546266U - Oil-gas mixture vortex delivery system for oil well sleeve gas recovery and crude oil delivery - Google Patents
Oil-gas mixture vortex delivery system for oil well sleeve gas recovery and crude oil delivery Download PDFInfo
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- CN202546266U CN202546266U CN2012200339498U CN201220033949U CN202546266U CN 202546266 U CN202546266 U CN 202546266U CN 2012200339498 U CN2012200339498 U CN 2012200339498U CN 201220033949 U CN201220033949 U CN 201220033949U CN 202546266 U CN202546266 U CN 202546266U
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Abstract
The utility model relates to an oil-gas mixture vortex delivery system for oil well sleeve gas recovery and crude oil delivery. The system is characterized in that an inlet of a crude oil buffer tank (37) is connected with an oil pipe inlet (6) through an oil pipe inlet valve (7); a pressurizing port of the crude oil buffer tank (37) successively passes through an oil pressure casing pressure balance valve (5), a sleeve gas pressure gauge (35), a sleeve air pressure transmitter (34) and a gas delivery pump inlet valve (33) and is connected with an outlet of a gas delivery pump (32) through a sleeve gas channel (39); an outlet of the crude oil buffer tank (37) successively passes through a crude oil temperature sensor (12), a crude oil flowmeter (13), a crude oil pressure gauge (14), a crude oil pressure transmitter (15), an oil delivery pump inlet valve (16), an oil delivery pump (17), an oil delivery pump outlet valve (18) and a crude oil non-return valve (19) and is connected with an inlet of a vortex gas and liquid mixer (20); and an outlet of the vortex gas and liquid mixer (20) successively passes through an outlet pressure transmitter (21) and an outlet pressure gauge (23) and is connected with an outlet (22). By recovering natural gas generated in crude oil exploitation process and pressurizing the gas to realize oil-gas mixture delivery, the benefit of crude oil exploitation is maximized; in addition, benefit and safety are guaranteed through pressurizing delivery by the gas delivery pump and flow state optimization by the vortex mixture, and through fully automatic work control and safety protection.
Description
Technical field
The sleeve pipe gas that the utility model relates in the petroleum production reclaims and Crude Oil Transportation technology field, is specifically related to the sleeve pipe gas recovery of oil well and the oil gas mixing eddy current transporting system of Crude Oil Transportation.
Background technique
In existing oil extraction technology, because the output of the rock gas in the oil well casing is not very big in the oil extraction, output is unstable in addition.Therefore generally all be only to lay oil transport pipeline to gathering station.Not in place with relevant auxiliary facility because of existing DP technology design, the rock gas that from sleeve pipe, is produced does not have special gas transmission line to carry, and the rock gas that the well mouth of oil well that is produces can't be delivered to gathering station.This part rock gas can't be utilized effectively.Generally deliver near the torch burning tower the oil well, it is burnt through the short tube line.With production and personnel's the safety of guaranteeing to recover the oil in producing.
The Regional Distribution of oil well is extensive, and personnel's expense has accounted for suitable ratio in the cost of winning of the oil well that reasons such as natural condition difference are.And the unstability of sleeve pipe gas and output are not high, and therefore general recovery of casing gas not in actual mining operations is to reduce aboveground staff.Improve the Security of producing.As how reasonably cost to come the recovery of casing rock gas be one of the field of improving the DP technology technology of raising now.
In oil producing operation, because the oil field mostly is in the northwest cold area, crude oil low temperature viscosity down in the winter time can increase a lot, so winter, original airtight phenomenon of inculcating middle wax deposition plugging often occurred.In the DP technology technology, often adopt ancillary methods such as pitching, high pressure steam pipeline purging, heating crude oil to guarantee original stable feed.The new Crude Oil Transportation process engineering of exploitation utilization in winter especially in normal conveying the how is now just in one of important topic of the DP technology technical field of development test.
The eddy current conveying technology is a kind of extensively because the technology of powdery, high-viscosity material conveying.It mainly is to realize conveying function through the motion mode that changes material.The for example conveying of granular materials such as flour, coal ash, carbon black.In order to reduce kinematical viscosity, generally adopt pressurized air as transmitting power, gas and mixed being incorporated in of granular material are produced more spiral helicine forms of motion on the tube wall.Can not precipitate caking during the conveying that makes.And utilize pressure reduction to realize the purpose of carrying.Existing eddy motion theory analysis confirms that the molecular friction power during its motion of the material of eddy current attitude will be far smaller than the frictional force that general axial motion is.The conveying that eddy-current technique is used for crude oil is the application technology that is developing of DP technology technical field.
The model utility content
In order to overcome the shortcoming of above-mentioned existing technology, the purpose of the utility model is the sleeve pipe gas recovery of oil well and the oil gas mixing eddy current transporting system of Crude Oil Transportation are provided, and utilizes sleeve pipe gas to realize the conveying of oil gas mixing eddy current, prevents the generation of wax deposition, deposition.
In order to achieve the above object, the technological scheme taked of the utility model is:
The sleeve pipe gas recovery of oil well and the oil gas mixing eddy current transporting system of Crude Oil Transportation; Comprise crude oil knock out drum 37; The inlet of crude oil knock out drum 37 is connected with oil pipe import 6 through oil pipe inlet valve 7; The pressurization mouth of crude oil knock out drum 37 also is connected through the outlet of sleeve pipe gas passage 39 and gasing pump 32 through oil pressure casing pressure equilibrium valve 5, sleeve pipe atmospheric pressure table 35, sleeve pipe atmospheric pressure transmitter 34, gasing pump inlet valve 33 successively; The outlet of crude oil knock out drum 37 is connected with the inlet of eddy current air and liquid mixer 20 through crude oil temperature sensor 12, crude oil flowmeter 13, crude oil pressure gauge 14, crude oil pressure transmitter 15, oil transfer pump inlet valve 16, oil transfer pump 17, oil transfer pump outlet valve 18, former oil return check valve 19 successively; The outlet of eddy current air and liquid mixer 20 is successively through outlet pressure transmitter 21, delivery gauge 23 with export 22 and be connected; The pressurization mouth of eddy current air and liquid mixer 20 is connected with gasing pump 32 through gas safety check 25, gas flowmeter 26, gasing pump outlet valve 31 successively; The bottom of crude oil knock out drum 37 is provided with crude oil knock out drum blowdown valve 10; Oil pipe import 6 is communicated with through oil pipe by-pass valve 8, crude oil knock out drum safety valve 38 and crude oil knock out drum 37; Oil pipe import 6 is communicated with through oil pipe by-pass valve 8 and outlet 22, and the sleeve pipe outlet on the oil well is divided into two-way through sleeve pipe gas import 3, and the sleeve pipe gas inlet valve 4 of leading up to is communicated with sleeve pipe gas passage 39; Another road is communicated with through sleeve pipe gas import switch valve 2 and flaring outlet 1; Or be communicated with through sleeve pipe gas import switch valve 2, gas tank safety valve 30 and gas knock out drum 28, the outlet of gas buffer jar 28 is through the pipeline connection between gas tank outlet valve 29 and gas flowmeter 26, the gasing pump outlet valve 31, and gas buffer jar 28 bottoms are provided with gas buffer jar blowdown valve 27.
Described sleeve pipe gas import switch valve 2, sleeve pipe gas inlet valve 4, oil pressure casing pressure equilibrium valve 5, oil pipe inlet valve 7, oil pipe by-pass valve 8, crude oil temperature sensor 12, crude oil flowmeter 13, crude oil pressure transmitter 15, oil transfer pump inlet valve 16, oil transfer pump 17, oil transfer pump outlet valve 18, former oil return check valve 19, outlet pressure transmitter 21, gas flowmeter 26, gasing pump inlet valve 33, sleeve pipe atmospheric pressure transmitter 34 are connected with controller 36 circuit respectively.
The advantage of the utility model is: realize the independent conveying of crude oil, reduce the back pressure of pumping unit, can improve pumping efficiency and oil recovery amount; Recovery of casing gas increases the benefit of recovering the oil fully, eliminates because the environmental pollution that the sleeve pipe gas firing is brought; Utilize sleeve pipe gas can realize inflating viscosity reduction, the kinetic viscosity that the minimizing Crude Oil Transportation is; The realization eddy current is carried, and reduces the wax deposition of crude oil in transport pipe, and deposition waits the generation of plugging phenomenon.Significantly reduce the maintenance cost of transport pipe.It five has realized automation control, can remote-control romote-sensing, significantly reduce cost of labor, and realize the fine-grained management of well recovery.
Description of drawings
Accompanying drawing is the structural representation of the utility model, and solid line is the oil gas pipeline; Dotted line is control and signal circuit.
Embodiment
Below in conjunction with accompanying drawing the utility model is done detailed description.
The sleeve pipe gas recovery of oil well and the oil gas mixing eddy current transporting system of Crude Oil Transportation; Comprise crude oil knock out drum 37; The inlet of crude oil knock out drum 37 is connected with oil pipe import 6 through oil pipe inlet valve 7; The pressurization mouth of crude oil knock out drum 37 also is connected through the outlet of sleeve pipe gas passage 39 and gasing pump 32 through oil pressure casing pressure equilibrium valve 5, sleeve pipe atmospheric pressure table 35, sleeve pipe atmospheric pressure transmitter 34, gasing pump inlet valve 33 successively; The outlet of crude oil knock out drum 37 is connected with the inlet of eddy current air and liquid mixer 20 through crude oil temperature sensor 12, crude oil flowmeter 13, crude oil pressure gauge 14, crude oil pressure transmitter 15, oil transfer pump inlet valve 16, oil transfer pump 17, oil transfer pump outlet valve 18, former oil return check valve 19 successively; The outlet of eddy current air and liquid mixer 20 is successively through outlet pressure transmitter 21, delivery gauge 23 with export 22 and be connected; The pressurization mouth of eddy current air and liquid mixer 20 is connected with gasing pump 32 through gas safety check 25, gas flowmeter 26, gasing pump outlet valve 31 successively; The bottom of crude oil knock out drum 37 is provided with crude oil knock out drum blowdown valve 10; Oil pipe import 6 is communicated with through oil pipe by-pass valve 8, crude oil knock out drum safety valve 38 and crude oil knock out drum 37; Oil pipe import 6 is communicated with through oil pipe by-pass valve 8 and outlet 22, and the sleeve pipe outlet on the oil well is divided into two-way through sleeve pipe gas import 3, and the sleeve pipe gas inlet valve 4 of leading up to is communicated with sleeve pipe gas passage 39; Another road is communicated with through sleeve pipe gas import switch valve 2 and flaring outlet 1; Or be communicated with through sleeve pipe gas import switch valve 2, gas tank safety valve 30 and gas knock out drum 28, the outlet of gas buffer jar 28 is through the pipeline connection between gas tank outlet valve 29 and gas flowmeter 26, the gasing pump outlet valve 31, and gas buffer jar 28 bottoms are provided with gas buffer jar blowdown valve 27.
Described sleeve pipe gas import switch valve 2, sleeve pipe gas inlet valve 4, oil pressure casing pressure equilibrium valve 5, oil pipe inlet valve 7, oil pipe by-pass valve 8, crude oil temperature sensor 12, crude oil flowmeter 13, crude oil pressure transmitter 15, oil transfer pump inlet valve 16, oil transfer pump 17, oil transfer pump outlet valve 18, former oil return check valve 19, outlet pressure transmitter 21, gas flowmeter 26, gasing pump inlet valve 33, sleeve pipe atmospheric pressure transmitter 34 are connected with controller 36 circuit respectively.
The working principle of the utility model is:
The oil pipe import 6 that the crude oil that pumping unit is extracted out in the oil well directly gets into system gets into crude oil knock out drum 37.Because general pumping unit is step, so the flow of crude oil also is step, behind step crude oil entering crude oil knock out drum, the crude oil pressurization that can be the back provides the flow of continous-stable.Also can the associated gas in the crude oil also be collected in the crude oil knock out drum.Being beneficial to follow-up oil transfer pump carries continuously.Oil transfer pump 32 is delivered to eddy current air and liquid mixer 20 after crude oil in the crude oil knock out drum 37 and association rock gas are pressurizeed; Produce eddy current effect; And after the acceleration through the sleeve pipe rock gas that gets into; Be delivered to outlet 22 with the eddy current form, crude oil and the rock gas mode with eddy current in oil transport pipeline is carried.Because the effect of eddy motion, the water in the crude oil moves near tube wall all the time, makes that wax deposition material and the touch opportunity of tube wall in the crude oil significantly reduces.Significantly reduced the wax deposition plugging phenomenon of crude oil in pipeline like this.Prevent crude oil and natural gas leaking when wherein oil transfer pump inlet valve 16 is mainly used in oil transfer pump 17 maintenances with oil transfer pump outlet valve 18.Former oil return check valve 19 is mainly used in when preventing to export 22 pressure greater than the delivery pressure of oil transfer pump, closes path automatically, with protection oil transfer pump 17.
Sleeve pipe on the oil well exports the sleeve pipe gas import 3 of direct connecting system, and the rock gas in the sleeve pipe is delivered to gas buffer jar and eddy current air and liquid mixer 20 through gasing pump 32 pressurizations.Wherein gas safety check 25 be used to guarantee the pressed gas loop pressure and the pressure balance in pressure oil transportation loop.When gas pressure was lower than fuel transfer pressure, the gas safety check cut off path automatically.Gasing pump 32 continues pressurization, until pressure balance.Gas begins to get into vortex mixer 20.After gas got into from the tangential of eddy current air and liquid mixer, the eddy current effect of crude oil was further strengthened, and gas and liquid fully mix in limited space simultaneously.Make the kinetic viscosity of crude oil descend greatly, reduced the flow resistance of crude oil in pipeline.Utilize the gas like lower viscosity characteristic to reduce the kinematical viscosity of crude oil.Produce inflation viscosity reduction effect.
Safety system: when system breaks down, open with the sleeve pipe gas import switching valve 2 of electronic or pneumatic operation device; Sleeve pipe gas inlet valve 4 cuts out.Sleeve pipe gas directly gets into the torch burning pipeline.Sleeve pipe gas inlet gas switching valve 2 can be merged into a three-way valve with sleeve pipe gas inlet valve 4.Oil pipe inlet valve 7 cuts out; Oil pipe by-pass valve 8 is opened.Crude oil is from oil circuit by-pass pipe 9 direct accesss outlet 22.Oil pipe inlet valve 7 can be merged into a three-way valve with oil pipe by-pass valve 8.Safety valve when the pressure in the crude oil knock out drum 37 surpasses rated pressure on the crude oil knock out drum is opened the medium pressure release in oil circuit by-pass pipe 9.To guarantee tank body safety.Gas tank safety valve 30 when the pressure in the gas buffer jar 28 surpasses rated pressure above it is opened, and overvoltage gas is led to the torch burning pipeline.
The sleeve pipe gas of oil well reclaims and the oil gas mixing eddy current conveying system device of Crude Oil Transportation has controller 36.Whether the signal deciding of pressure transmitter 15 that can the based on crude knock out drum opens oil transfer pump 18.Can whether open gasing pump 32 according to the signal deciding of sleeve pipe atmospheric pressure transmitter 34.Can according to system whether proper functioning control the break-make of crude oil import valve 7 or crude oil by-pass valve 8.The break-make of same control sleeve pipe gas inlet valve 4 or sleeve pipe gas switching valve.Can also the based on crude flowmeter 13 determine whether opening oil transfer pump 18 and gasing pump 31 with setting value with the signal of gas flowmeter 26.Can also come according to the combination of above-mentioned parameter whole system is controlled.Satisfy the technological requirement of DP technology.
Claims (2)
1. the sleeve pipe gas of oil well reclaims and the oil gas mixing eddy current transporting system of Crude Oil Transportation; Comprise crude oil knock out drum (37); It is characterized in that: the inlet of crude oil knock out drum (37) is connected with oil pipe import (6) through oil pipe inlet valve (7); The pressurization mouth of crude oil knock out drum (37) passes through oil pressure casing pressure equilibrium valve (5), sleeve pipe atmospheric pressure table (35), sleeve pipe atmospheric pressure transmitter (34), gasing pump inlet valve (33) successively and the outlet through sleeve pipe gas passage (39) and gasing pump (32) is connected; The outlet of crude oil knock out drum (37) is passed through crude oil temperature sensor (12), crude oil flowmeter (13), crude oil pressure gauge (14), crude oil pressure transmitter (15), oil transfer pump inlet valve (16), oil transfer pump (17), oil transfer pump outlet valve (18), former oil return check valve (19) and the inlet of eddy current air and liquid mixer (20) successively and is connected; The outlet of eddy current air and liquid mixer (20) is connected through outlet pressure transmitter (21), delivery gauge (23) and outlet (22) successively; The pressurization mouth of eddy current air and liquid mixer (20) is connected with gasing pump (32) through gas safety check (25), gas flowmeter (26), gasing pump outlet valve (31) successively; The bottom of crude oil knock out drum (37) is provided with crude oil knock out drum blowdown valve (10); Oil pipe import (6) is communicated with through oil pipe by-pass valve (8), crude oil knock out drum safety valve (38) and crude oil knock out drum (37); Oil pipe import (6) is communicated with through oil pipe by-pass valve (8) and outlet (22); Sleeve pipe outlet on the oil well is divided into two-way through sleeve pipe gas import (3); Leading up to sleeve pipe gas inlet valve (4) and sleeve pipe gas passage (39) is communicated with, and another road is communicated with through sleeve pipe gas import switch valve (2) and flaring outlet (1), or through sleeve pipe gas import switch valve (2), gas tank safety valve (30) and gas knock out drum (28) connection; The outlet of gas buffer jar (28) is through the pipeline connection between gas tank outlet valve (29) and gas flowmeter (26), the gasing pump outlet valve (31), is provided with gas buffer jar blowdown valve (27) bottom the gas buffer jar (28).
2. the sleeve pipe gas of oil well according to claim 1 reclaims and the oil gas mixing eddy current transporting system of Crude Oil Transportation, and it is characterized in that: described sleeve pipe gas import switch valve (2), sleeve pipe gas inlet valve (4), oil pressure casing pressure equilibrium valve (5), oil pipe inlet valve (7), oil pipe by-pass valve (8), crude oil temperature sensor (12), crude oil flowmeter (13), crude oil pressure transmitter (15), oil transfer pump inlet valve (16), oil transfer pump (17), oil transfer pump outlet valve (18), former oil return check valve (19), outlet pressure transmitter (21), gas flowmeter (26), gasing pump inlet valve (33), sleeve pipe atmospheric pressure transmitter (34) are connected with controller (36) circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200339498U CN202546266U (en) | 2012-02-03 | 2012-02-03 | Oil-gas mixture vortex delivery system for oil well sleeve gas recovery and crude oil delivery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200339498U CN202546266U (en) | 2012-02-03 | 2012-02-03 | Oil-gas mixture vortex delivery system for oil well sleeve gas recovery and crude oil delivery |
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| Publication Number | Publication Date |
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| CN202546266U true CN202546266U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200339498U Expired - Lifetime CN202546266U (en) | 2012-02-03 | 2012-02-03 | Oil-gas mixture vortex delivery system for oil well sleeve gas recovery and crude oil delivery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588737B (en) * | 2012-02-03 | 2016-11-30 | 深圳乐满油气技术有限公司 | Oil and gas mixed vortex conveying system for oil well casing gas recovery and crude oil transportation |
| CN108825173A (en) * | 2018-08-29 | 2018-11-16 | 蚌埠市新达压缩机制造有限公司 | Unpowered casing gas recovery structure |
| CN109826594A (en) * | 2019-01-28 | 2019-05-31 | 河北宏龙环保科技有限公司 | Casing gas collection device and application method |
| CN110030491A (en) * | 2019-04-29 | 2019-07-19 | 西安长庆科技工程有限责任公司 | A kind of production wellhead associated gas linkage type plunger booster recyclable device and method |
| CN110410676A (en) * | 2019-08-28 | 2019-11-05 | 华通科创(唐山)石油工程技术服务有限公司 | An unattended intelligent oil and gas mixed transportation system |
| CN112554848A (en) * | 2020-11-12 | 2021-03-26 | 中国石油天然气股份有限公司 | Crude oil conveying device |
-
2012
- 2012-02-03 CN CN2012200339498U patent/CN202546266U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588737B (en) * | 2012-02-03 | 2016-11-30 | 深圳乐满油气技术有限公司 | Oil and gas mixed vortex conveying system for oil well casing gas recovery and crude oil transportation |
| CN108825173A (en) * | 2018-08-29 | 2018-11-16 | 蚌埠市新达压缩机制造有限公司 | Unpowered casing gas recovery structure |
| CN109826594A (en) * | 2019-01-28 | 2019-05-31 | 河北宏龙环保科技有限公司 | Casing gas collection device and application method |
| CN110030491A (en) * | 2019-04-29 | 2019-07-19 | 西安长庆科技工程有限责任公司 | A kind of production wellhead associated gas linkage type plunger booster recyclable device and method |
| CN110410676A (en) * | 2019-08-28 | 2019-11-05 | 华通科创(唐山)石油工程技术服务有限公司 | An unattended intelligent oil and gas mixed transportation system |
| CN112554848A (en) * | 2020-11-12 | 2021-03-26 | 中国石油天然气股份有限公司 | Crude oil conveying device |
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