CN201620767U - Pipe column using technologies of multilayer mining, testing pressure by layers and obtaining yield by layers - Google Patents
Pipe column using technologies of multilayer mining, testing pressure by layers and obtaining yield by layers Download PDFInfo
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- CN201620767U CN201620767U CN2010201492053U CN201020149205U CN201620767U CN 201620767 U CN201620767 U CN 201620767U CN 2010201492053 U CN2010201492053 U CN 2010201492053U CN 201020149205 U CN201020149205 U CN 201020149205U CN 201620767 U CN201620767 U CN 201620767U
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Abstract
The utility model provides a pipe column using technologies of multilayer mining, testing pressure by layers and obtaining yield by layers, which is applied to layered tests of multilayer mining oil wells of oilfields. The pipe column mainly consists of an oil pipe, a sucker rod, an oil pump, an upper switch, a packer, a lower switch and a screw plug, wherein the oil pipe is connected with the oil pump; the upper end of the oil pump is connected with the sucker rod; the oil pipe arranged on the lower part of the oil pump is connected with the upper switch; the oil pipe arranged on the lower part of the upper switch is connected with the packer; the oil pipe arranged on the lower part of the packer is connected with the lower switch; the bottom part of the lower oil pipe of the lower switch is fixed with the screw plug; the packer is arranged between the upper oil layer and the lower oil layer; and the packer is fixed on the inner wall of the sleeve. The pipe column has the effects of realizing the continuous delamination test on the multilayer oil wells by one pipe column and reducing the workload in the layered testing field. The pipe column has simple structure and can be applied to straight wells as well as directional wells.
Description
Technical field
The utility model relates to oil recovery technique field, oil field, particularly a kind of down-hole string of producing well, be a kind of fixed tubular column just can delaminating pressure testing, layering asks the down-hole string of product, being used for multilayer is that abandoned wells is carried out zonal testing.
Background technology
At present, domestic main hierarchical testing technology is mainly direct method of testing, theoretical calculation: directly method of testing mainly is to utilize packer packing every test layer, test layer is lowered to the memory-type pressure meter, one-trip string realize test one deck static pressure, test data such as another laminar flow pressure, output; This method of testing, in the test process, the field operation number of times increases, and can not realize zonal testing continuously.Theoretical calculation mainly is by the method that annulus liquid level recovers, well head is simulated back pressure, data such as the output of theoretical calculating test layer position, stream pressure, and can not test the stratum of oil reservoir recovers pressure data, and being subjected to hole condition simultaneously influences, and the test result error is big.
The utility model content
The purpose of this utility model is: provide the layering of a kind of multiple-zone production delaminating pressure testing to ask the product tubing string, realize that one-trip string is the test of oil well continuous stratification to multilayer, reduces zonal testing field operation workload.After tubing string is gone into the well, carry out zonal testing under the condition of fixed tubular column, one-trip string is realized upper and lower oil reservoir stratum recovery pressure, is produced the test of data such as stream pressure, output, reservoir temperature.
The technical solution adopted in the utility model is: the product tubing string is asked in the layering of multiple-zone production delaminating pressure testing, mainly by oil pipe 2, sucker rod 3, oil well pump 4, last derailing switch 5, packer 7, following derailing switch 8 and plug 10 are formed, on oil pipe 2, be connected with oil well pump 4, the upper end of oil well pump 4 is connected with sucker rod 3, it is characterized in that: on the oil pipe 2 of oil well pump 4 bottoms, be connected with derailing switch 5, on the oil pipe of last derailing switch 5 bottoms, be connected with packer 7, on the oil pipe 2 of packer 7 bottoms, be connected with derailing switch 8 down, be fixed with plug 10 in the bottom of following derailing switch 8 bottom oil pipes 2.The position of packer 7 is between last oil reservoir 6 and following oil reservoir 9, and packer 7 is fixed on the inwall of sleeve pipe 1, can will go up the output liquid of oil reservoir 6 and separate with the output liquid of following oil reservoir 9.By oil reservoir in packer 7 packings 6 and following oil reservoir 9.Derailing switch passes through at the ground pre-set program, time opening, close, oil flow channel between control oil jacket annular space and the oil pipe, in process of production, test purpose layer stratum recovered pressure, produced data such as stream pressure, output, temperature respectively, and one-trip string is realized contrasting two cover oil reservoir zonal testing purposes with conventional test methodologies, reduce zonal testing site work amount, realized the continuous stratification test.
Packer 7 can use Y111 type packer, also can use Y211 type packer.
The described structure that goes up derailing switch 5 and following derailing switch 8 is: the lower end of lower contact 16 has 27/8 " tubing round thread 11, the upper end of top connection 19 has 27/8 " oil pipe internal thread.The logical seat 18 of the bridge that between lower contact 16 and top connection 19, has been threaded, the logical seat 18 of bridge be the cylinder bodily form, there is internal thread at the two ends that bridge is logical 18, can be connected with lower contact 16, top connection 19.The logical seat 18 of bridge has centre bore, is fixed with memory-type pressure meter 17 in the bottom of the logical seat of bridge 18 centre bores, and the middle part of the logical seat of bridge 18 centre bores is fixed with on-off controller 12, and the upper end of the logical seat of bridge 18 centre bores is fixed with ball seat tube 20.In the centre bore of ball seat tube 20 sealed ball seat is arranged.Steel ball 14 is arranged on the sealed ball seat of ball seat tube 20.Steel ball 14 plays the effect of ball-and-seat.In the logical seat of bridge 18 centre bores one side axially extending bore is arranged, the axially extending bore of the logical seat 18 of bridge makes UNICOM between lower contact 16 and the top connection 19.Opposite side at the logical seat 18 of bridge has inclined hole, and inclined hole is a feed pathway 13, and the inside opening position of feed pathway 13 is on the top of on-off controller 12 and in the bottom of ball seat tube 20.
In order to improve sealing, between lower contact 16 and the logical seat 18 of bridge, sealing ring is arranged; Between top connection 19 and the logical seat 18 of bridge, sealing ring is arranged.
The beneficial effects of the utility model: the product tubing string is asked in the layering of the utility model multiple-zone production delaminating pressure testing, can realize that one-trip string is the test of oil well continuous stratification to multilayer, reduces zonal testing field operation workload.The utility model tubular column structure is simple, both can be applicable to straight well, also can be applicable to directional well.
Description of drawings
Fig. 1 is that product tubular column structure generalized section is asked in the layering of the utility model multiple-zone production delaminating pressure testing.
Fig. 2 is a derailing switch structural profile schematic diagram.
Among the figure, 1. sleeve pipe, 2. oil pipe, 3. sucker rod, 4. oil well pump is 5. gone up derailing switch, 6. goes up oil reservoir, 7. packer, 8. " tubing round thread; 12. on-off controllers, 13. feed pathway, 14. steel balls; 15. oily flow path directions, 16. lower contacts, 17. memory-type pressure meters; the logical seat of 18. bridges, 19. top connections, 20. ball seat tubes descend derailing switch, 9. descend oil reservoir, 10. plug, 11.27/8.
The specific embodiment
Embodiment 1: asking the product tubing string with the layering of a multiple-zone production delaminating pressure testing is example, and the utility model is described in further detail.
Consult Fig. 1.The product tubing string is asked in the layering of the utility model multiple-zone production delaminating pressure testing, is made up of oil pipe 2, sucker rod 3, oil well pump 4, last derailing switch 5, packer 7, following derailing switch 8 and plug 10.
Be connected with an oil well pump 4 on oil pipe 2, oil well pump 4 is 1100 meters depths.The upper end of oil well pump 4 is connected with sucker rod 3.Be connected with derailing switch 5 on the oil pipe 2 of oil well pump 4 bottoms, last derailing switch 5 is dark at 1300 meters.Be connected with packer 7 on the oil pipe of last derailing switch 5 bottoms, packer 7 adopts Y111 type packer.Packer 7 is dark at 1500 meters.Be connected with down derailing switch 8 on the oil pipe 2 of packer 7 bottoms, following derailing switch 8 is dark at 1520 meters.Bottom at following derailing switch 8 bottom oil pipes 2 is fixed with plug 10.The position of packer 7 between last oil reservoir 6 and following oil reservoir 9, the position of last oil reservoir 6 correspondences 1350～1400 meters dark between; The position of following oil reservoir 9 correspondences 1550～1580 meters dark between.Packer 7 is fixed on the inwall of sleeve pipe 1
The structure of last derailing switch 5 and following derailing switch 8 is: the lower end of lower contact 16 has 27/8 " tubing round thread 11, the upper end of top connection 19 has 27/8 " oil pipe internal thread.The logical seat 18 of the bridge that has been threaded between lower contact 16 and top connection 19 has the two seals circle between logical 18 on lower contact 16 and bridge; Between top connection 19 and the logical seat 18 of bridge, the two seals circle is arranged.The logical seat 18 of bridge is the cylinder bodily form, and the two ends of the logical seat 18 of bridge have internal thread to be connected with lower contact 16, top connection 19.The logical seat 18 of bridge has centre bore, is fixed with a memory-type pressure meter 17 in the bottom of the logical seat of bridge 18 centre bores, and the middle part of the logical seat of bridge 18 centre bores is fixed with an on-off controller 12, and the upper end of the logical seat of bridge 18 centre bores is fixed with ball seat tube 20.The sealed ball seat that a cylindrical so is arranged in the centre bore of ball seat tube 20.Steel ball 14 is arranged on the sealed ball seat of ball seat tube 20.In the logical seat of bridge 18 centre bores one side axially extending bore is arranged, at the opposite side of the logical seat 18 of bridge an inclined hole is arranged, inclined hole is a feed pathway 13, and the inside opening position of feed pathway 13 is on the top of on-off controller 12 and in the bottom of ball seat tube 20.
Claims (4)
1. the product tubing string is asked in multiple-zone production delaminating pressure testing layering, mainly by oil pipe (2), sucker rod (3), oil well pump (4), last derailing switch (5), packer (7), following derailing switch (8) and plug (10) are formed, on oil pipe (2), be connected with oil well pump (4), the upper end of oil well pump (4) is connected with sucker rod (3), it is characterized in that: on the oil pipe (2) of oil well pump (4) bottom, be connected with derailing switch (5), on the oil pipe of last derailing switch (5) bottom, be connected with packer (7), on the oil pipe (2) of packer (7) bottom, be connected with derailing switch (8) down, bottom at following derailing switch (8) bottom oil pipe (2) is fixed with plug (10), packer (7) is between last oil reservoir (6) and following oil reservoir (9), and packer (7) is fixed on the inwall of sleeve pipe (1).
2. the product tubing string is asked in multiple-zone production delaminating pressure testing according to claim 1 layering, it is characterized in that: affiliated packer (7) is Y111 type packer or Y211 type packer.
3. the product tubing string is asked in multiple-zone production delaminating pressure testing according to claim 1 layering, it is characterized in that: the described structure that goes up derailing switch (5) and following derailing switch (8) is: the lower end of lower contact (16) has 27/8 " tubing round thread (11); the upper end of top connection (19) has 27/8 " oil pipe internal thread, the logical seat of bridge (18) has been threaded between lower contact (16) and top connection (19), the logical seat of bridge (18) is the cylinder bodily form, there is internal thread at the two ends of the logical seat of bridge (18), the logical seat of bridge (18) has centre bore, bottom at the logical seat of bridge (18) centre bore is fixed with memory-type pressure meter (17), the middle part of the logical seat of bridge (18) centre bore is fixed with on-off controller (12), the upper end of the logical seat of bridge (18) centre bore is fixed with ball seat tube (20), in the centre bore of ball seat tube (20) sealed ball seat is arranged, steel ball (14) is arranged on the sealed ball seat of ball seat tube (20), in the logical seat of bridge (18) centre bore one side axially extending bore is arranged, the axially extending bore of the logical seat of bridge (18) makes UNICOM between lower contact (16) and the top connection (19), opposite side at the logical seat of bridge (18) has inclined hole, inclined hole is feed pathway (13), and the inside opening position of feed pathway (13) is on the top of on-off controller (12) and in the bottom of ball seat tube (20).
4. the product tubing string is asked in multiple-zone production delaminating pressure testing according to claim 3 layering, it is characterized in that: between lower contact (16) and the logical seat of bridge (18) sealing ring is arranged; Between top connection (19) and the logical seat of bridge (18), sealing ring is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201492053U CN201620767U (en) | 2010-03-31 | 2010-03-31 | Pipe column using technologies of multilayer mining, testing pressure by layers and obtaining yield by layers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201492053U CN201620767U (en) | 2010-03-31 | 2010-03-31 | Pipe column using technologies of multilayer mining, testing pressure by layers and obtaining yield by layers |
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| CN201620767U true CN201620767U (en) | 2010-11-03 |
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| CN2010201492053U Expired - Lifetime CN201620767U (en) | 2010-03-31 | 2010-03-31 | Pipe column using technologies of multilayer mining, testing pressure by layers and obtaining yield by layers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114843A (en) * | 2013-02-18 | 2013-05-22 | 中国石油天然气股份有限公司 | Multi-layer multi-section continuous oil testing system without lifting tubular column and operation method thereof |
| CN103382834A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Separated-layer pressure measurement technology by adopting intelligent switches |
| CN103590813A (en) * | 2013-10-30 | 2014-02-19 | 中国石油天然气股份有限公司 | Method, tubular column and device for testing dynamic reserves of two-layer commingled producing gas well |
| CN110552633A (en) * | 2015-02-19 | 2019-12-10 | 安赛乐米塔尔管材产品卢森堡股份公司 | Threaded connection |
-
2010
- 2010-03-31 CN CN2010201492053U patent/CN201620767U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114843A (en) * | 2013-02-18 | 2013-05-22 | 中国石油天然气股份有限公司 | Multi-layer multi-section continuous oil testing system without lifting tubular column and operation method thereof |
| CN103114843B (en) * | 2013-02-18 | 2015-07-08 | 中国石油天然气股份有限公司 | Multi-layer multi-section continuous oil testing system without lifting tubular column and operation method thereof |
| CN103382834A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Separated-layer pressure measurement technology by adopting intelligent switches |
| CN103590813A (en) * | 2013-10-30 | 2014-02-19 | 中国石油天然气股份有限公司 | Method, tubular column and device for testing dynamic reserves of two-layer commingled producing gas well |
| CN103590813B (en) * | 2013-10-30 | 2016-08-17 | 中国石油天然气股份有限公司 | The method of testing of double layer commingled production Estimation of Gas Well Dynamic Reserves, test string and test device |
| CN110552633A (en) * | 2015-02-19 | 2019-12-10 | 安赛乐米塔尔管材产品卢森堡股份公司 | Threaded connection |
| US11614184B2 (en) | 2015-02-19 | 2023-03-28 | Arcelormittal Tubular Products Luxembourg S.A. | Method for making a threaded connection for pipes, such as oil and gas pipes |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
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| CX01 | Expiry of patent term |