CN201209442Y - Zonal pressure measuring unit for polymer quality sorting well - Google Patents
Zonal pressure measuring unit for polymer quality sorting well Download PDFInfo
- Publication number
- CN201209442Y CN201209442Y CNU2008201177206U CN200820117720U CN201209442Y CN 201209442 Y CN201209442 Y CN 201209442Y CN U2008201177206 U CNU2008201177206 U CN U2008201177206U CN 200820117720 U CN200820117720 U CN 200820117720U CN 201209442 Y CN201209442 Y CN 201209442Y
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- pressure
- pressure measurement
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- supporting seat
- nozzle
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Abstract
The utility model relates to the technical field of oilfield thrice oil extraction, and belongs to a device providing a separate layer pressure measurement for a polymer flooding quality divided well. The utility model is designed for measuring the pressure of a polymer solution after the polymer solution passes through a nozzle, and is composed of a fishing rod 1, a pressure cover 2, a pressure spring 3, a support seat 4, a torsion spring 5, a cam 6, a cam shaft 7, an O-shaped sealing ring 8, a connector 9, a guiding press body 10, a regulation ring 11, the nozzle 12, a pressure gauge 13, a pressure measurement main body 14 and a bull plug 15, wherein the guiding press body 10, the regulation ring 11and the nozzle 12 are sequentially sleeved in an inner cavity of the pressure measurement main body 14, the guiding press body 10 is provided with a guiding press hole 17, and the pressure measurement main body 14 is provided with the guiding press hole 17 and a guiding pressure channel 18. The utility model is mainly applied to the separate layer pressure measurement for the polymer flooding quality divided well, and has the advantages of novel and simple structure, realization of the separate layer pressure measurement for the polymer flooding quality divided well, multi-stage use, and the like.
Description
Technical field: the utility model relates to technical field of oilfield tertiary oil recovery, belongs to a kind of device that a kind of delaminating pressure testing is provided for polymer flooding branch matter well.
Background technology: at present, polymer flooding divides matter dividing potential drop injection technique in the Daqing oil field extensive use, controls the molecular weight of each interval injection of polymer solution by regulating in the eccentric injection allocation device nozzle diameter, thereby realizes dividing matter to inject.But, can only record the pressure of nozzle polymer solution before at present, how much pressure through polymer solution after the nozzle is, the polymer solution that promptly enters oil reservoir is to enter oil reservoir under great pressure, compare what differ with the fracture pressure on stratum, can't measure accurately, also not have the device of polymer flooding branch matter well delaminating pressure testing at present.
Summary of the invention: the purpose of this utility model is a kind of polymer flooding branch matter well delaminating pressure testing device that can record polymer solution through the polymer solution pressure after the nozzle of design.
The utility model is achieved through the following technical solutions.The utility model is by fishing rod, gland, stage clip, supporting seat, torsion spring, cam, camshaft, the O RunddichtringO, connector, the pilot body, adjustable ring, nozzle, pressure gauge, pressure measurement main body and dead stifled the composition, wherein the lower end of fishing rod is placed in the upper end of supporting seat, gland is enclosed within the outside of fishing rod and is threaded with the upper end of supporting seat, the lower end of fishing rod is a slide, be provided with stage clip between slide and the gland, cam is located on the wall of supporting seat, camshaft is provided with torsion spring, camshaft is fixed by screw thread and supporting seat, and cam is fixed on the wall of supporting seat, the upper end of connector and the lower end of supporting seat are by being threaded, welding arc by the middle part between connector and the pressure measurement main body welds, the lower end of pressure measurement main body and dead stifled upper end are by being threaded, and have fluid hole on the supporting seat, the fluid hole supporting seat of both sides up and down is provided with the O RunddichtringO, the pilot body, adjustable ring, nozzle is sleeved in the inner chamber of pressure measurement main body successively, nozzle is by the bore seal of O RunddichtringO and pressure measurement main body, on the pilot body, have pressure guide hole, have pressure guide hole and pilot passage on the pressure measurement main body, pressure gauge is by the inner surface sealing of O RunddichtringO and pressure measurement main body.
When the length of nozzle is not less than 20mm, can not use adjustable ring.
The utility model compared with prior art has following advantage:
It has realized the delaminating pressure testing of polymer flooding branch matter well, can directly record the pressure through polymer solution after the nozzle, have simple in structure, novel, advantage such as can multistagely use.
Description of drawings: Fig. 1 is a structural representation of the present utility model.
The specific embodiment: the utility model is described further below in conjunction with accompanying drawing: the utility model is mainly by fishing rod 1, gland 2, stage clip 3, supporting seat 4, torsion spring 5, cam 6, camshaft 7, O RunddichtringO 8, connector 9, pilot body 10, adjustable ring 11, nozzle 12, pressure gauge 13, pressure measurement main body 14 and dead stifled 15 is formed, wherein the lower end of fishing rod 1 is placed in the upper end of supporting seat 4, gland 2 is enclosed within the outside of fishing rod 1 and is threaded with the upper end of supporting seat 4, the lower end of fishing rod 1 is a slide, be provided with stage clip 3 between slide and the gland 2, cam 6 is located on the wall of supporting seat 4, camshaft 7 is provided with torsion spring 5, camshaft 7 is fixing by screw thread and supporting seat 4, and cam 6 is fixed on the wall of supporting seat 4, the lower end of the upper end of connector 9 and supporting seat 4 is by being threaded, welding arc 19 by the middle part between connector 9 and the pressure measurement main body 14 welds, the lower end of pressure measurement main body 14 and dead stifled 15 upper end are by being threaded, and have fluid hole 16 on the supporting seat 4, the supporting seat 4 of fluid hole both sides about in the of 16 is provided with O RunddichtringO 8, pilot body 10, adjustable ring 11, nozzle 12 is sleeved in the inner chamber of pressure measurement main body 14 successively, nozzle 12 is by the bore seal of O RunddichtringO 8 with pressure measurement main body 14, on pilot body 10, have pressure guide hole 17, on pressure measurement main body 14, have pressure guide hole 17 and pilot passage 18, the pressure of the polymer solution that can enter inlet opening 20 is passed to pressure gauge 13, thereby record the pressure through the polymer solution of nozzle 12 front and back, pressure gauge 13 is by the inner surface sealing of O RunddichtringO 8 with pressure measurement main body 14.
When the length of nozzle 12 is not less than 20mm, can not use adjustable ring 11.
During The field, at first the branch matter well delaminating pressure testing device that pressure gauge 13 is housed is rendered in the inclined to one side hole of eccentric injection allocation device of each interval, normal then injection of polymer solution, polymer solution is through behind the inlet opening 20, pressure gauge 13 at first writes down the pressure of inlet opening 20 polymer solutions, polymer solution flows through nozzle 12 then, through flowing out from fluid hole 16 after the throttling of nozzle 12, inject the stratum, at this moment behind the pressure of polymer solution process pilot body 10, pilot passage 18, the pressure guide hole 17, by pressure gauge 13 records.Treat that zonal flow rate pulls branch matter well delaminating pressure testing device out after stable, the storage signal of playback pressure gauge 13 just can obtain the pressure of nozzle 12 front and back polymer solutions, the purpose that the realization polymer flooding divides matter well delaminating pressure testing.
Claims (2)
1, a kind of polymer flooding divides matter well delaminating pressure testing device, it is characterized in that: it is by fishing rod (1), gland (2), stage clip (3), supporting seat (4), torsion spring (5), cam (6), camshaft (7), O RunddichtringO (8), connector (9), pilot body (10), adjustable ring (11), nozzle (12), pressure gauge (13), pressure measurement main body (14) and dead stifled (15) are formed, wherein the lower end of fishing rod (1) is placed in the upper end of supporting seat (4), gland (2) is enclosed within the outside of fishing rod (1) and is threaded with the upper end of supporting seat (4), the lower end of fishing rod (1) is a slide, be provided with stage clip (3) between slide and the gland (2), cam (6) is located on the wall of supporting seat (4), camshaft (7) is provided with torsion spring (5), camshaft (7) is fixing by screw thread and supporting seat (4), and cam (6) is fixed on the wall of supporting seat (4), the lower end of the upper end of connector (9) and supporting seat (4) is by being threaded, welding arc (19) by the middle part between connector (9) and the pressure measurement main body (14) welds, the upper end of the lower end of pressure measurement main body (14) and dead stifled (15) is by being threaded, and have fluid hole (16) on the supporting seat (4), fluid hole (16) supporting seat of both sides (4) up and down is provided with O RunddichtringO (8), pilot body (10), adjustable ring (11), nozzle (12) is sleeved in the inner chamber of pressure measurement main body (14) successively, nozzle (12) is by the bore seal of O RunddichtringO (8) with pressure measurement main body (14), on pilot body (10), have pressure guide hole (17), have pressure guide hole (17) and pilot passage (18) on pressure measurement main body (14), pressure gauge (13) is by the inner surface sealing of O RunddichtringO (8) with pressure measurement main body (14).
2, divide matter well delaminating pressure testing device according to claims 1 described polymer flooding, it is characterized in that: when the length of nozzle (12) is not less than 20mm, can not use adjustable ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201177206U CN201209442Y (en) | 2008-06-13 | 2008-06-13 | Zonal pressure measuring unit for polymer quality sorting well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201177206U CN201209442Y (en) | 2008-06-13 | 2008-06-13 | Zonal pressure measuring unit for polymer quality sorting well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209442Y true CN201209442Y (en) | 2009-03-18 |
Family
ID=40480174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201177206U Expired - Fee Related CN201209442Y (en) | 2008-06-13 | 2008-06-13 | Zonal pressure measuring unit for polymer quality sorting well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209442Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888650A (en) * | 2016-04-15 | 2016-08-24 | 中国石油天然气股份有限公司 | Gas well storage type integrated layered production allocation pressure gauge |
| CN114856548A (en) * | 2022-05-20 | 2022-08-05 | 西南石油大学 | Chemical flooding pressure-dividing well layering pressure measuring device |
-
2008
- 2008-06-13 CN CNU2008201177206U patent/CN201209442Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888650A (en) * | 2016-04-15 | 2016-08-24 | 中国石油天然气股份有限公司 | Gas well storage type integrated layered production allocation pressure gauge |
| CN105888650B (en) * | 2016-04-15 | 2019-10-29 | 中国石油天然气股份有限公司 | A kind of gas well memory-type integration regulating multi-zone production rate measuring cell |
| CN114856548A (en) * | 2022-05-20 | 2022-08-05 | 西南石油大学 | Chemical flooding pressure-dividing well layering pressure measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20140613 |
|
| EXPY | Termination of patent right or utility model |