CN204851117U - Coal seam gas well reverse circulation liquid sled dress treatment facility - Google Patents
Coal seam gas well reverse circulation liquid sled dress treatment facility Download PDFInfo
- Publication number
- CN204851117U CN204851117U CN201520550342.0U CN201520550342U CN204851117U CN 204851117 U CN204851117 U CN 204851117U CN 201520550342 U CN201520550342 U CN 201520550342U CN 204851117 U CN204851117 U CN 204851117U
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- China
- Prior art keywords
- flushing fluid
- centrifugal pump
- well
- flushing
- water supply
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Abstract
The utility model discloses a coal seam gas well reverse circulation liquid sled dress treatment facility, this equipment includes flushing fluid processing system, power supply system and water supply system, flushing fluid processing system is provided with filtration jar, buffer tank, level filtering ware, secondary filter, punchhole, well -flushing centrifugal pump, flowmeter, pressure gauge, needle valve, the import of output liquid, working shaft import and the drain that is fixed in sled dress base, water supply system is provided with water supply centrifugal pump and resource of water supply with the hose connection, power supply system is provided with the generating set and the variable frequency control cabinet of independent sled dress. Its advantage is: the cleaning that can guarantee to filter the back flushing fluid, reinforcing backwash effect, possess from cleaning function, make things convenient for the buggy in later stage to wash, filter the directional processing of jar interior buggy accessible drain, avoid causing environmental pollution, reduced the whole size and the gravity of equipment, the convenience is hoisted and the transportation, flushing fluid after the processing can use by the recycle, but water economy resource and reduce backwash well cost.
Description
Technical field
The utility model relates to a kind of coal bed gas well reacting cycle flushing fluid floor treatment technology, and in particular, the utility model relates to a kind of coal bed gas well reacting cycle flushing fluid skid treatment facility for cbm development engineering.
Background technology
Cbm development is a drainage and step-down gas recovery.Due to the impact of drilling well, pressure break, drained strength and coal seam inherent feature, the coal dust of coal bed gas well meeting output different-grain diameter in mining process, the solid particles such as the coal dust of output enter pit shaft along with production fluid, and coal dust constantly can deposit in pit shaft, causes the phenomenon of burying pump and holddown time serious.
The problem affecting mining equipment and run well is piled up in down-hole for solving coal dust, prior art coal bed gas well side tank car of being everlasting draws water, with water injecting pump, the water in tank car is injected oil jacket annular space, in oil pipe counter go out well liquid directly inject in the other settling tank in well site, the anti-fluid in settling tank is extracted out and is injected oil jacket annular space by recycling suction pump., there is following shortcoming in this anti-flushing well technique utilizing anti-fluid to be discharged by coal dust:
(1) due to the coal dust in the anti-fluid in ground, process is in time unclean, part coal dust can be made to refill shaft bottom, affect anti-flushing well effect;
(2) because coal bed gas well site is distributed in the area in complicated topographical conditions or remote gully more, have inconvenient traffic and water resources shortage, this technique seriously causes the waste of water resource;
(3) can overflow settling tank when anti-liquid outlet quantity is very large, as do not processed in time, the coal dust in anti-fluid will cause environment pollution.
Summary of the invention
The purpose of this utility model is exactly the defect for above prior art, provides a kind of coal bed gas well reacting cycle flushing fluid skid treatment facility.The application of this equipment, by under limited in traffic, that economic input is low, water resource is not enough prerequisite, ensure the normal production of coal bed gas well, and well solve the problems such as the high and environment pollution of coal bed gas well site water resource waste existing for prior art, anti-flushing well liquid cost.
The technical solution of the utility model is:
A kind of coal bed gas well reacting cycle flushing fluid skid treatment facility, comprises flushing fluid treatment system, electric power system and water system;
Described flushing fluid treatment system comprises filtering tank and surge tank, also comprises the well mouth oil pipe that special hose built-in with it is respectively connected and exports and proof wellhead oil casing annular space entrance; Be exported to from described well mouth oil pipe the flow meter, needle-valve, the pressure gauge that to arrange between described filtering tank and be linked in sequence and connect this manometric production fluid import; Be provided with grade one filter that is replaceable or cleaning in described filtering tank, the bottom of described filtering tank arranges blowdown base plate, and described filtering tank connects surge tank by eyelet; Described surge tank connects the secondary filter of replaceable or cleaning and connects well-flushing centrifugal pump by secondary filter, arrange between described well-flushing centrifugal pump to described proof wellhead oil casing annular space entrance be linked in sequence needle-valve, flow meter and, pressure gauge;
The frequency-conversion control cabinet that described electric power system is comprised generating set and is connected with described generating set by cable;
The resource of water supply that described water system is comprised water supply centrifugal pump and is connected with described water supply centrifugal pump by flexible pipe; From the port of export of described water supply centrifugal pump, the needle-valve, flow meter, pressure gauge and the supply-water pump that are linked in sequence are set between described filtering tank;
Described water supply centrifugal pump is connected frequency-conversion control cabinet respectively with well-flushing centrifugal pump and accepts the control of described frequency-conversion control cabinet.
In described flushing fluid treatment system, described filtering tank and surge tank are fixed on skid base with welding manner respectively, and described grade one filter, secondary filter, eyelet, well-flushing centrifugal pump, flow meter, pressure gauge, needle-valve, production fluid import, supply-water pump import and sewage draining exit are also fixed on skid base respectively by firm connected mode.
The front portion of described flushing fluid treatment system is set to double door, and rear portion is set to single open-door.
Generating set in described electric power system and frequency-conversion control cabinet are all set to independent skid mode and additional rainproof, dustproof protecting cover.
The bottom of described surge tank is provided with sewage draining exit.
Be 15 ° of angles along sewage draining exit direction between the plane at the blowdown base plate bottom described filtering tank and described skid base place.
The utility model overcomes the shortcomings of prior art, and its beneficial effect is:
(1) filter core in described grade one filter and secondary filter can be changed at any time according to the regularity of distribution of coal bed gas well actual output coal particle size, and the flushable rear Reusability of filter core, thus ensure the cleaning of filtering rear flushing fluid, avoid coal dust to refill shaft bottom, strengthen backwash effect.
(2) described filtering tank blowdown base plate tilts to sewage draining exit the setting of 15 ° of angles, is convenient to the coal dust after sedimentation separation to sewage draining exit direction deposit buildup, facilitates the coal dust in later stage to clean, and make the utility model possess self-cleaning function.
(3) be deposited on coal dust in filtering tank by sewage draining exit directional process, thus avoid the environment pollution that the coal dust in anti-fluid causes.
(4) generating set in electric power system adopts independently skid to design, and can reduce overall dimensions and the gravity of equipment, convenient lifting and transport, and can select whether carry electric power system according to the truth in well site.
(5) flushing fluid after process, can use flowing through iterative cycles in loop, thus saving water resource reduce the cost of anti-flushing well, meanwhile, also well solving the coal bed gas well site being distributed in complicated topographical conditions or remote gullied area adopts the backwash process of prior art to cause the problem of water resource serious waste.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of filtering tank in Fig. 1;
Fig. 3 is the schematic diagram that in Fig. 1, critical piece is fixed on skid base.
Mark in figure: 1-flushing fluid treatment system, 2-well mouth oil pipe exports, 3-flow meter, 4-needle-valve, 5-pressure gauge, the import of 6-production fluid, 7-filtering tank, 8-grade one filter, 9-eyelet, 10-surge tank, 11-secondary filter, 12-well-flushing centrifugal pump, 13-proof wellhead oil casing annular space entrance, 14-electric power system, 15-generating set, 16-frequency-conversion control cabinet, 17-water supply centrifugal pump, 18-water system, 19-resource of water supply, the import of 20-supply-water pump, 21-sewage draining exit, 22-blowdown base plate, 23-skid base.
Detailed description of the invention
In order to make the technical solution of the utility model more easily be understood, below in conjunction with the drawings and the specific embodiments, it is done to further illustrate.
With reference to Fig. 1, Fig. 2, Fig. 3, coal bed gas well reacting cycle flushing fluid skid treatment facility of the present utility model, comprises flushing fluid treatment system 1, electric power system 14 and water system 18;
Described flushing fluid treatment system 1 comprises filtering tank 7 and surge tank 10, also comprises the well mouth oil pipe that special hose built-in with it is respectively connected and exports 2 and proof wellhead oil casing annular space entrance 13; Be linked in sequence flow meter 3, needle-valve 4, pressure gauge 5 and connect the production fluid import 6 of this pressure gauge 5 between described well mouth oil pipe outlet 2 to described filtering tank 7; Be provided with grade one filter 8 in described filtering tank 7, the bottom of described filtering tank 7 is provided with blowdown base plate 22, and described filtering tank 7 connects surge tank 10 by eyelet 9; Described surge tank 10 connects well-flushing centrifugal pump 12 by secondary filter 11, and be linked in sequence needle-valve 4, flow meter 3, pressure gauge 5 between described well-flushing centrifugal pump 12 to described proof wellhead oil casing annular space entrance 13;
The frequency-conversion control cabinet 16 that described electric power system 14 is comprised generating set 15 and is connected with described generating set 15 by cable;
The resource of water supply 19 that described water system 18 is comprised water supply centrifugal pump 17 and is connected with described water supply centrifugal pump 17 by flexible pipe, be linked in sequence needle-valve 4, flow meter 3, pressure gauge 5 and supply-water pump between the filtering tank 7 that the port of export of described water supply centrifugal pump 17 is extremely described;
Described water supply centrifugal pump 17 and well-flushing centrifugal pump 12 are connected described frequency-conversion control cabinet 16 respectively, and accept the control of described frequency-conversion control cabinet 16.
Arrange firmly in order to convenient transportation, the utility model is in described flushing fluid treatment system 1, have employed welding manner and described filtering tank 7 and surge tank 10 are individually fixed in skid base 23, and adopt welding or the rigid connection such as to be threaded that described grade one filter 8, secondary filter 11, eyelet 9, well-flushing centrifugal pump 12, flow meter 3, pressure gauge 5, needle-valve 4, production fluid import 6, supply-water pump import 20 and sewage draining exit 21 are individually fixed in skid base 23.
In order to the convenience safeguarded with install, the front portion of described flushing fluid treatment system 1 is set to double door by the utility model, and rear portion is set to single open-door.
In order to obtain better anti-flushing well effect, the grade one filter 8 adopted in the utility model and secondary filter 11 is all replaceable or cleaning.
In order to reduce size and the gravity of integral device; convenient lifting and transport; and can select whether carry electric power system according to well site truth; the utility model all have employed independent skid mode to the generating set 15 in described electric power system 14 and frequency-conversion control cabinet 16, and additional rainproof, dustproof protecting cover.
For the ease of the sedimental cleaning of coal dust, the utility model, except being provided with except sewage draining exit 21 in the bottom of described filtering tank 7, is also provided with sewage draining exit in the bottom of described surge tank 10.
Operating principle of the present utility model is:
Powered by the generating set 15 in electric power system 14 and control through frequency-conversion control cabinet 16, make the well-flushing centrifugal pump 12 that flushing fluid is connected by flexible pipe and the needle-valve 4 be linked in sequence with described well-flushing centrifugal pump 12, flow meter 3, pressure gauge 5 and proof wellhead oil casing annular space entrance 13 inject coal bed gas well oil jacket annular space, in oil pipe counter go out flushing fluid export 2 and export 2 flow meters be linked in sequence 3 with described well mouth oil pipe by being connected well mouth oil pipe with built-in flexible pipe again, needle-valve 4 and pressure gauge 5 enter filtering tank 7, making is sunk by Action of Gravity Field by the coal dust that flushing fluid is taken out of and filter through grade one filter 8 in described filtering tank 7 is separated with flushing fluid, flushing fluid after filtration enters described surge tank 10 through the eyelet 9 that described filtering tank 7 is connected with surge tank 10, and again enter in well-flushing centrifugal pump 12 after secondary filter 11 filters, after described well-flushing centrifugal pump 12 pairs of flushing fluid superchargings, pass through the needle-valve 4 be linked in sequence with described well-flushing centrifugal pump 12 again, flow meter 3, pressure gauge 5 and proof wellhead oil casing annular space entrance 13 inject coal bed gas well oil jacket annular space, thus form a closed loop, flushing fluid can be recycled, flowed to sewage draining exit 21 place deposit buildup by the coal dust after sedimentation separation along the blowdown base plate 22 bottom described filtering tank 7, wait for the coal dust cleaning in later stage.
In the process, the flushing fluid flowing through whole loop enters surge tank 10 again through isolated by filtration repeatedly, the unavoidable situation occurring water shortage on the way because losing, now, by the water supply centrifugal pump 17 in water system 18, the water in resource of water supply 19 is supplemented in surge tank 10, ensures better backwash effect.
Schematically describe the technical solution of the utility model with reference to drawings and Examples above, this description is not restricted.Those skilled in the art will be understood that in actual applications, and the change of some structure or shape all may occur each technical characteristic in the utility model, and other staff also may make similar Design under its enlightenment.Special needs to be pointed out is: only otherwise depart from design aim of the present utility model, all apparent variations in detail or similar Design, be all included within protection domain of the present utility model.
Claims (6)
1. a coal bed gas well reacting cycle flushing fluid skid treatment facility, comprises flushing fluid treatment system, electric power system and water system, it is characterized in that:
Described flushing fluid treatment system comprises filtering tank and surge tank, also comprises the well mouth oil pipe that special hose built-in with it is respectively connected and exports and proof wellhead oil casing annular space entrance; Be exported to from described well mouth oil pipe the flow meter, needle-valve, the pressure gauge that to arrange between described filtering tank and be linked in sequence and connect this manometric production fluid import; Be provided with grade one filter that is replaceable or cleaning in described filtering tank, the bottom of described filtering tank arranges blowdown base plate, and described filtering tank connects surge tank by eyelet; Described surge tank connects the secondary filter of replaceable or cleaning and connects well-flushing centrifugal pump by secondary filter, arrange between described well-flushing centrifugal pump to described proof wellhead oil casing annular space entrance be linked in sequence needle-valve, flow meter and, pressure gauge;
The frequency-conversion control cabinet that described electric power system is comprised generating set and is connected with described generating set by cable;
The resource of water supply that described water system is comprised water supply centrifugal pump and is connected with described water supply centrifugal pump by flexible pipe; From the port of export of described water supply centrifugal pump, the needle-valve, flow meter, pressure gauge and the supply-water pump that are linked in sequence are set between described filtering tank;
Described water supply centrifugal pump is connected frequency-conversion control cabinet respectively with well-flushing centrifugal pump.
2. coal bed gas well reacting cycle flushing fluid skid treatment facility according to claim 1, it is characterized in that: in described flushing fluid treatment system, described filtering tank and surge tank are fixed on skid base with welding manner respectively, and described grade one filter, secondary filter, eyelet, well-flushing centrifugal pump, flow meter, pressure gauge, needle-valve, production fluid import, supply-water pump import and sewage draining exit are fixed on skid base with firm connected mode respectively.
3. coal bed gas well reacting cycle flushing fluid skid treatment facility according to claim 1, is characterized in that: the front portion of described flushing fluid treatment system is set to double door, and rear portion is set to single open-door.
4. coal bed gas well reacting cycle flushing fluid skid treatment facility according to claim 1, is characterized in that: the generating set in described electric power system and frequency-conversion control cabinet are all set to independent skid mode and additional rainproof, dustproof protecting cover.
5. coal bed gas well reacting cycle flushing fluid skid treatment facility according to claim 1, is characterized in that: the bottom of described surge tank is provided with sewage draining exit.
6. coal bed gas well reacting cycle flushing fluid skid treatment facility according to claim 1, is characterized in that: be 15 ° of angles along sewage draining exit direction between the plane at the blowdown base plate bottom described filtering tank and described skid base place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550342.0U CN204851117U (en) | 2015-07-27 | 2015-07-27 | Coal seam gas well reverse circulation liquid sled dress treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550342.0U CN204851117U (en) | 2015-07-27 | 2015-07-27 | Coal seam gas well reverse circulation liquid sled dress treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851117U true CN204851117U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520550342.0U Expired - Fee Related CN204851117U (en) | 2015-07-27 | 2015-07-27 | Coal seam gas well reverse circulation liquid sled dress treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975350A (en) * | 2018-01-12 | 2018-05-01 | 中石化四机石油机械有限公司 | One kind bores plug pump note implement |
-
2015
- 2015-07-27 CN CN201520550342.0U patent/CN204851117U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975350A (en) * | 2018-01-12 | 2018-05-01 | 中石化四机石油机械有限公司 | One kind bores plug pump note implement |
| CN107975350B (en) * | 2018-01-12 | 2024-02-13 | 中石化四机石油机械有限公司 | Drilling plug pumping operation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161229 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |