CN108687954A - A kind of hybrid system of efficient well cementing operation - Google Patents
A kind of hybrid system of efficient well cementing operation Download PDFInfo
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- CN108687954A CN108687954A CN201810425559.7A CN201810425559A CN108687954A CN 108687954 A CN108687954 A CN 108687954A CN 201810425559 A CN201810425559 A CN 201810425559A CN 108687954 A CN108687954 A CN 108687954A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
- B28C7/128—Nozzles; Valves; Valve-actuating means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The present invention relates to petroleum equipment technical fields, more particularly to a kind of hybrid system of efficient well cementing operation, it is aggregated into including measuring tank, water pipe, upper ash pipe is aggregated into, high energy mixers, slurry mixing tank and mud line manifold assembly, slurry mixing tank is at least connected with there are two high energy mixers, the inlet of slurry mixing tank is connect with diffusion chamber, diffusion chamber is connect with high energy mixers, and high energy mixers discharging is directed by diffusion chamber in slurry mixing tank, and at least one diffusion chamber is connect with density control system.The present invention covers mixer more and integrates, with existing operating condition, it can be achieved that huge discharge, efficient mixed effect.
Description
Technical field
The present invention relates to petroleum equipment technical fields, more particularly to a kind of hybrid system of efficient well cementing operation.
Background technology
It is reported that oilfield applications drilling period was reduced to about half 75 days or so from 175 days;And U.S.'s shale gas is from 2013
Start in year just to have put forward effect 40%.With the raising of oilfield applications operating efficiency, the appearance of ultradeep well and curing sleeve distance
Increase, for example, horizontal segment can only accomplish 1000 meters in the past, buried depth can only accomplish 2500 meters, can accomplish to current horizontal segment
2500 meters, buried depth increases to more than 4300 meters, and such operation is to the well cementing operation demand of huge discharge it is also proposed that higher and higher wants
It asks.On the other hand, due to the limitation of field operation condition, for example, live dry ash quality, the factors such as speed and size for ash,
The mixed of mixer is generally in 1.5m3/ min, operating efficiency is relatively low, and mixing discharge capacity is small, cannot achieve continuous operation.
Invention content
It is an object of the present invention to overcome the above-mentioned technical problems, and to provide a kind of hybrid systems of efficient well cementing operation, can
To be fully solved above-mentioned technical problem.
The technical solution for solving above-mentioned technical problem is as follows:
A kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into, upper ash pipe is aggregated into, high energy
Mixer, slurry mixing tank and mud line manifold assembly, the slurry mixing tank are at least connected with there are two high energy mixers, the slurry mixing tank
Inlet connect with diffusion chamber, the diffusion chamber is connect with high energy mixers, the high energy mixers discharge by spreading
Case is directed into slurry mixing tank, and at least one diffusion chamber is connect with density control system.
The diffusion chamber is at least one.
Water pipe is aggregated into and is provided with injection centrifugal pump, y-type filter and clear water flow meter, clear water flow meter can be shown
The flow for showing clear water can adjust uninterrupted according to design requirement, keep mud mixing more equal according to the clear water flow of display
It is even.
The measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through discharge
Butterfly valve empties raffinate, and the emptying butterfly valve is pneumatic control, and strainer is arranged in the tank bottom exit of the measuring tank.Measuring tank
It can be with the discharge capacity of metering liquid and mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
The mud line manifold assembly includes circular centrifugal pump and perfusion centrifugal pump, and the circular centrifugal is pumped from slurry mixing tank
Middle sucking cement mortar, then by circular centrifugal pump discharge, cycle manifold, high energy mixers, in diffusion chamber with dry ash and
Water carries out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, keeps cement mortar mixed effect more preferable, protects
It is uniform to demonstrate,prove cement slurry density;And centrifugal pump is perfused by being delivered in diffusion chamber after density control system, utilize density domination
By the actual density of manifold, measuring numerical value can directly show sensor test cement mortar in system on the touchscreen,
It can be directly displayed on secondary meter.
The water pipe is aggregated into from measuring tank or external source and sucks clear water, and the centrifugal pump that water pipe is aggregated into is more
Independent injection centrifugal pump is covered, clear water is delivered in high energy mixers after being aggregated into supercharging, summarizes with from upper ash pipe by water pipe
Tentatively mixed at the dry ash of entrance, but also with cycle manifold in mud carry out it is secondary mix, so as to more fill
Divide ground mixing mud.The clear water flow that can be measured using clear water flow meter can directly display on the touchscreen, according to test institute
Data are obtained, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pump simultaneously
The water source that certain pressure is provided for the post-job cleaning of vehicle, meets the needs of cleaning.
It is the pipeline of solid carbon dioxide plaster to be provided for the hybrid system of efficient well cementing operation, including connect that the upper ash pipe, which is aggregated into,
Take over line, upper grey sebific duct and ash discharging valve.The solid carbon dioxide plaster of ash can is connected to ash discharging valve, high energy mixers high speed by connecting pipeline
The flow of injection forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar agitated blade in cement stock tank
Further mixing, circular centrifugal pump realize the secondary and multiple mixing of cement mortar.Cement slurry density meter is by the true close of cement mortar
Degree feeds back to computer.Flowmeter is installed in injection line, the flow signal of water is fed back to computer by it.Computer root
The injection rate that solid carbon dioxide plaster and clear water are automatically controlled according to the cement slurry density and clear water flow that collect, to reach setting
Cement slurry density value.
The ash discharging valve that the high energy mixers are aggregated by the clear water for being aggregated into entrance by water pipe and by upper ash pipe into
The concrete grey entered and the cement mortar by cycle manifold cycle are mixed together.High energy mixers are that entire slurry system is total
Core component in is the critical piece for carrying out mud mixture.
The beneficial effects of the invention are as follows:
The present invention provides a kind of hybrid system of efficient well cementing operation, the mixers that cover integrated more, with existing operation item
Part is, it can be achieved that huge discharge.The system can realize the rapid translating of automatic slurry and manual slurry, easy to operate practicality.By adopting
Collect and show the data such as several centrifugation pump pressures, density, discharge capacity and clear water flow, is controlled by computer, realize the automatic of density
Control.Purge valve, ash discharging valve are automatically controlled using bivariate, slurry mixing tank liquid automatic control.The invention has the characteristics that:Association
Regulation and control system, i.e., multiple mixers, realization control, can also jointly control respectively;Hand automatically controls, i.e., multiple purge valves, multiple
Ash discharging valve realizes that carrying out hand respectively automatically controls;Automatic distribution, i.e., it is to cover mixer more, it covers purge valve and ash discharging valve more, realizes one
Part quickly adjust, a part fine tuning, can also use multiple automatically controlled toggle switch, and manually simultaneously control purge valve or under
Grey valve events realize that density is adjusted simultaneously.
Core of the present invention is to use multiple mixers and mating component, promotes mixed, but still retain original
Automatic premixing and automatic density slurry function.To meet current industry inner part drilling completion plate improved efficiency to mixed of cementing the well
The requirements at the higher level of proposition also successfully overcome the problems, such as that the mixed that the various restriction bands of field operation condition are come reduces.
The present invention both can independently be used as injection centrifugal pump using more set mixers and matching component, clear water centrifugal pump,
Side can be used as to spray centrifugal pump for waterside, centrifugal pump can also be spare;Centrifugal slurry pump both can independently be used as circular centrifugal
Pump can also be used as and centrifugal pump is perfused in cycle, and centrifugal pump can also be spare;Mostly set hybrid systems can also be used as spare,
Reduce hybrid system damage risk.
Using more set hybrid systems, construction operation scene needs to ensure that hybrid density is unified and automatically controls the present invention, right
The present invention proposes another technological difficulties, therefore the present invention solves in the following ways:1, realize that hybrid system water, ash are independent
It automatically controls;2, multiple hybrid system schemes realize that a density, multiple mixers simultaneously or separately control, reach one it is close
Degree, the requirement of huge discharge.
The present invention solves the higher that current industry inner part drilling completion plate improved efficiency proposes well cementation mixed and wants
It asks, also successfully overcomes the problems, such as that the mixed that the various restriction bands of field operation condition are come reduces, band is improved immediately following operation technique
The equipment come improves paces, is the development of petroleum equipment field cementing equipment, the milestone new into one!
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
The electric control theory schematic diagram that Fig. 1 is high energy mixers of the present invention when being 2;
Fig. 2 is the flow diagram of the embodiment of the present invention 1;
Fig. 3 is the flow diagram of the embodiment of the present invention 2;
Fig. 4 is the flow diagram of the embodiment of the present invention 3;
In figure:1 is aggregated into for water pipe, and 2 be cycle manifold, and 3 be mud line manifold assembly, and 4 are aggregated into for upper ash pipe, and C1 is
Centrifugal pump is sprayed, C2 pumps for circular centrifugal, and C3 is perfusion centrifugal pump, and Y is y-type filter, and FM is clear water flow meter, and E is density
Control system, D1 are centering type ash discharging valve, and D2 is diffusion chamber, and D3 is high energy mixers.
Specific implementation mode
Embodiment 1:
As shown in Fig. 2, a kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into 1, upper ash pipe
It is aggregated into 4, high energy mixers D3, slurry mixing tank and mud line manifold assembly 3, there are two high energy mixers D3, slurries for slurry mixing tank connection
The inlet of tank is connect with diffusion chamber D2, and diffusion chamber D2 is connect with high energy mixers D3, and high energy mixers D3 dischargings are by diffusion chamber
D2 is directed into slurry mixing tank, and density control system E is concatenated on mud line manifold assembly 3.Diffusion chamber is two.
Water pipe, which is aggregated on 1, is provided with injection centrifugal pump C1, y-type filter Y and clear water flow meter FM, clear water flow meter
FM can show the flow of clear water, according to the clear water flow of display, can adjust uninterrupted according to design requirement, mud is made to mix
More uniformly.
Measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through be discharged butterfly valve row
Empty raffinate, emptying butterfly valve are pneumatic control, and strainer is arranged in the tank bottom exit of measuring tank.Measuring tank can be with the discharge capacity of metering liquid
With mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
Mud line manifold assembly 3 includes circular centrifugal pump C2 and perfusion centrifugal pump C3, and circular centrifugal pump C2 is inhaled from slurry mixing tank
Enter cement mortar, C2 outlets, cycle manifold 2, high energy mixers D3 are then pumped by circular centrifugal, it is in diffusion chamber D2 and dry
Ash and water carry out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, make cement mortar mixed effect more
It is good, ensure that cement slurry density is uniform;And centrifugal pump C3 is perfused and is delivered in diffusion chamber D2 later by density control system E, profit
With the sensor test cement mortar on density control system E by the actual density of manifold, measuring numerical value can directly touch
Screen display can also directly display on secondary meter.
Water pipe is aggregated into 1 and sucks clear water from measuring tank or external source, and the centrifugal pump that water pipe is aggregated into is two sets only
Clear water is delivered in high energy mixers D3 by vertical injection centrifugal pump C1, water pipe after being aggregated into 1 supercharging, and from upper grey manifold
Assembly 4 enter dry ash tentatively mixed, but also with cycle manifold 2 in mud progress it is secondary mix, so as to more
Add and is sufficiently mixed mud.The clear water flow that can be measured using clear water flow meter FM, can directly display on the touchscreen, according to
The data obtained is tested, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pump
C1 also provides the water source of certain pressure for the post-job cleaning of vehicle simultaneously, meets the needs of cleaning.
It is that the pipeline of solid carbon dioxide plaster, including connecting tube are provided for the hybrid system of efficient well cementing operation that upper ash pipe, which is aggregated into 4,
Line, upper grey sebific duct and centering type ash discharging valve D1.The solid carbon dioxide plaster of ash can is connected to centering type ash valve D1, high energy by connecting pipeline
The flow of mixer D3 high speed injections forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar is in cement stock tank
In agitated blade further mix, circular centrifugal pump C2 realize cement mortar secondary and multiple mixing.Cement slurry density meter will
The real density of cement mortar feeds back to computer.Flowmeter is installed in injection line, it feeds back to the flow signal of water
Computer.Computer automatically controls the injection of solid carbon dioxide plaster and clear water according to the cement slurry density and clear water flow that collect
Amount, to reach the cement slurry density value of setting.
The centering type ash discharging valve that high energy mixers D3 is aggregated by the clear water for being aggregated into 1 entrance by water pipe and by upper ash pipe
The concrete grey that D1 enters and the cement mortar by the cycle cycle of manifold 2 are mixed together.High energy mixers D3 is entire mixed
The core component in system synthesis is starched, is the critical piece for carrying out mud mixture.
Embodiment 2:
As shown in figure 3, a kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into 1, upper ash pipe
It is aggregated into 4, high energy mixers D3, slurry mixing tank and mud line manifold assembly 3, there are two high energy mixers D3, slurries for slurry mixing tank connection
The inlet of tank is connect with diffusion chamber D2, and diffusion chamber D2 is connect with high energy mixers D3, and high energy mixers D3 dischargings are by diffusion chamber
D2 is directed into slurry mixing tank, is recycled and is serially connected with density control system E, diffusion chamber two on manifold 2 and mud line manifold assembly 3
It is a.
Water pipe, which is aggregated on 1, is provided with injection centrifugal pump C1, y-type filter Y and clear water flow meter FM, clear water flow meter
FM can show the flow of clear water, according to the clear water flow of display, can adjust uninterrupted according to design requirement, mud is made to mix
More uniformly.
Measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through be discharged butterfly valve row
Empty raffinate, emptying butterfly valve are pneumatic control, and strainer is arranged in the tank bottom exit of measuring tank.Measuring tank can be with the discharge capacity of metering liquid
With mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
Mud line manifold assembly 3 includes circular centrifugal pump C2 and perfusion centrifugal pump C3, and circular centrifugal pump C2 is inhaled from slurry mixing tank
Enter cement mortar, C2 outlets, cycle manifold 2, high energy mixers D3 are then pumped by circular centrifugal, it is in diffusion chamber D2 and dry
Ash and water carry out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, make cement mortar mixed effect more
It is good, ensure that cement slurry density is uniform;And centrifugal pump C3 is perfused and is delivered in diffusion chamber D2 later by density control system E, profit
With the sensor test cement mortar on density control system E by the actual density of manifold, measuring numerical value can directly touch
Screen display can also directly display on secondary meter.
Water pipe is aggregated into 1 and sucks clear water from measuring tank or external source, and the centrifugal pump that water pipe is aggregated into is two sets only
Clear water is delivered in high energy mixers D3 by vertical injection centrifugal pump C1, water pipe after being aggregated into 1 supercharging, and from upper grey manifold
Assembly 4 enter dry ash tentatively mixed, but also with cycle manifold 2 in mud progress it is secondary mix, so as to more
Add and is sufficiently mixed mud.The clear water flow that can be measured using clear water flow meter FM, can directly display on the touchscreen, according to
The data obtained is tested, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pump
C1 also provides the water source of certain pressure for the post-job cleaning of vehicle simultaneously, meets the needs of cleaning.
It is that the pipeline of solid carbon dioxide plaster, including connecting tube are provided for the hybrid system of efficient well cementing operation that upper ash pipe, which is aggregated into 4,
Line, upper grey sebific duct and centering type ash discharging valve D1.The solid carbon dioxide plaster of ash can is connected to centering type ash valve D1, high energy by connecting pipeline
The flow of mixer D3 high speed injections forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar is in cement stock tank
In agitated blade further mix, circular centrifugal pump C2 realize cement mortar secondary and multiple mixing.Cement slurry density meter will
The real density of cement mortar feeds back to computer.Flowmeter is installed in injection line, it feeds back to the flow signal of water
Computer.Computer automatically controls the injection of solid carbon dioxide plaster and clear water according to the cement slurry density and clear water flow that collect
Amount, to reach the cement slurry density value of setting.
The centering type ash discharging valve that high energy mixers D3 is aggregated by the clear water for being aggregated into 1 entrance by water pipe and by upper ash pipe
The concrete grey that D1 enters and the cement mortar by the cycle cycle of manifold 2 are mixed together.High energy mixers D3 is entire mixed
The core component in system synthesis is starched, is the critical piece for carrying out mud mixture.
Embodiment 3:
As shown in figure 4, a kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into 1, upper ash pipe
It is aggregated into 4, high energy mixers D3, slurry mixing tank and mud line manifold assembly 3, there are two high energy mixers D3, slurries for slurry mixing tank connection
The inlet of tank is connect with diffusion chamber D2, and diffusion chamber D2 is connect with high energy mixers D3, and high energy mixers D3 dischargings are by diffusion chamber
D2 is directed into slurry mixing tank, and density control system E is concatenated on mud line manifold assembly 3.Diffusion chamber is one.
Water pipe, which is aggregated on 1, is provided with injection centrifugal pump C1, y-type filter Y and clear water flow meter FM, clear water flow meter
FM can show the flow of clear water, according to the clear water flow of display, can adjust uninterrupted according to design requirement, mud is made to mix
More uniformly.
Measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through be discharged butterfly valve row
Empty raffinate, emptying butterfly valve are pneumatic control, and strainer is arranged in the tank bottom exit of measuring tank.Measuring tank can be with the discharge capacity of metering liquid
With mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
Mud line manifold assembly 3 includes circular centrifugal pump C2 and perfusion centrifugal pump C3, and circular centrifugal pump C2 is inhaled from slurry mixing tank
Enter cement mortar, C2 outlets, cycle manifold 2, high energy mixers D3 are then pumped by circular centrifugal, it is in diffusion chamber D2 and dry
Ash and water carry out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, make cement mortar mixed effect more
It is good, ensure that cement slurry density is uniform;And centrifugal pump C3 is perfused and is delivered in diffusion chamber D2 later by density control system E, profit
With the sensor test cement mortar on density control system E by the actual density of manifold, measuring numerical value can directly touch
Screen display can also directly display on secondary meter.
Water pipe is aggregated into 1 and sucks clear water from measuring tank or external source, and the centrifugal pump that water pipe is aggregated into is two sets only
Clear water is delivered in high energy mixers D3 by vertical injection centrifugal pump C1, water pipe after being aggregated into 1 supercharging, and from upper grey manifold
Assembly 4 enter dry ash tentatively mixed, but also with cycle manifold 2 in mud progress it is secondary mix, so as to more
Add and is sufficiently mixed mud.The clear water flow that can be measured using clear water flow meter FM, can directly display on the touchscreen, according to
The data obtained is tested, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pump
C1 also provides the water source of certain pressure for the post-job cleaning of vehicle simultaneously, meets the needs of cleaning.
It is that the pipeline of solid carbon dioxide plaster, including connecting tube are provided for the hybrid system of efficient well cementing operation that upper ash pipe, which is aggregated into 4,
Line, upper grey sebific duct and centering type ash discharging valve D1.The solid carbon dioxide plaster of ash can is connected to centering type ash valve D1, high energy by connecting pipeline
The flow of mixer D3 high speed injections forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar is in cement stock tank
In agitated blade further mix, circular centrifugal pump C2 realize cement mortar secondary and multiple mixing.Cement slurry density meter will
The real density of cement mortar feeds back to computer.Flowmeter is installed in injection line, it feeds back to the flow signal of water
Computer.Computer automatically controls the injection of solid carbon dioxide plaster and clear water according to the cement slurry density and clear water flow that collect
Amount, to reach the cement slurry density value of setting.
The centering type ash discharging valve that high energy mixers D3 is aggregated by the clear water for being aggregated into 1 entrance by water pipe and by upper ash pipe
The concrete grey that D1 enters and the cement mortar by the cycle cycle of manifold 2 are mixed together.High energy mixers D3 is entire mixed
The core component in system synthesis is starched, is the critical piece for carrying out mud mixture.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, as opening up
Exhibition, needs high energy mixers being designed as 2 or more according to field operation, and centrifugal pump makees corresponding simple designs as needed,
Equivalent variations or density control system are using multiple, and each road manifold carries out simple modification and equivalents each fall within the present invention
Protection domain within.
Claims (9)
1. a kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into, upper ash pipe is aggregated into, high energy is mixed
Clutch, slurry mixing tank and mud line manifold assembly, which is characterized in that the slurry mixing tank is at least connected with there are two high energy mixers, institute
The inlet for the slurry mixing tank stated is connect with diffusion chamber, and the diffusion chamber is connect with high energy mixers, the high energy mixers
Discharging is directed by diffusion chamber in slurry mixing tank, and at least one diffusion chamber is connect with density control system.
2. the hybrid system of efficient well cementing operation according to claim 1, which is characterized in that the diffusion chamber is at least
One.
3. the hybrid system of efficient well cementing operation according to claim 1, which is characterized in that the water pipe is aggregated into
On be provided with injection centrifugal pump, y-type filter, purge valve and clear water flow meter, clear water flow meter can show the flow of clear water,
According to the clear water flow of display, uninterrupted can be adjusted according to design requirement, keep mud mixing more uniform.
4. the hybrid system of efficient well cementing operation according to claim 1, which is characterized in that the measuring tank includes A
Room and the rooms B, the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through be discharged butterfly valve empty raffinate, the emptying butterfly
Valve is pneumatic control, and strainer is arranged in the tank bottom exit of the measuring tank.
5. the hybrid system of efficient well cementing operation according to claim 1, which is characterized in that the mud line manifold assembly
Centrifugal pump is pumped and is perfused including circular centrifugal, and circular centrifugal pump sucks cement mortar from slurry mixing tank, then passes through cycle
Centrifuge pump discharge, cycle manifold, high energy mixers, carried out with dry ash and water in diffusion chamber it is secondary mix, then by cement mortar
It is discharged to completion secondary cycle slurry in slurry mixing tank, and centrifugal pump is perfused and is delivered in diffusion chamber later by density control system,
The actual density for passing through manifold using the sensor test cement mortar on density control system.
6. the hybrid system of the efficient well cementing operation according to any one of claim 1,3 or 5, which is characterized in that described
Water pipe be aggregated into from measuring tank or external source and suck clear water, clear water is delivered in high energy mixers after supercharging, with from
The dry ash that upper ash pipe is aggregated into entrance is tentatively mixed, but also carries out secondary mix with the mud in cycle manifold.
7. the hybrid system of efficient well cementing operation according to claim 1, which is characterized in that the upper ash pipe is aggregated into
It is that the pipeline of solid carbon dioxide plaster is provided for the hybrid system of efficient well cementing operation, including connecting pipeline, upper grey sebific duct and ash discharging valve.
8. the hybrid system of efficient well cementing operation according to claim 1 or claim 7, which is characterized in that the high energy mixing
The concrete grey and pass through cycle that the ash discharging valve that device is aggregated by the clear water for being aggregated into entrance by water pipe and by upper ash pipe enters
The cement mortar of manifold cycle is mixed together.
9. according to the hybrid system of the efficient well cementing operation of claim 1-5 any one of them, which is characterized in that water pipe summarizes
At purge valve, the ash discharging valve that is aggregated into of upper ash pipe be all made of bivariate and automatically control, slurry mixing tank liquid level is using automatically controlling.
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| CN201810425559.7A CN108687954A (en) | 2018-05-07 | 2018-05-07 | A kind of hybrid system of efficient well cementing operation |
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| WO2020252908A1 (en) * | 2019-06-21 | 2020-12-24 | 烟台杰瑞石油装备技术有限公司 | Multifunctional compounding device |
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