CN204941493U - Three-layer water injection well immovable pipe column injection testing and seal testing pipe column - Google Patents
Three-layer water injection well immovable pipe column injection testing and seal testing pipe column Download PDFInfo
- Publication number
- CN204941493U CN204941493U CN201520363879.6U CN201520363879U CN204941493U CN 204941493 U CN204941493 U CN 204941493U CN 201520363879 U CN201520363879 U CN 201520363879U CN 204941493 U CN204941493 U CN 204941493U
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- oil pipe
- test
- type packer
- tubular column
- water injection
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- 238000002347 injection Methods 0.000 title claims abstract description 68
- 239000007924 injection Substances 0.000 title claims abstract description 68
- 238000012360 testing method Methods 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000012856 packing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a three-layer water injection well immotile tubular column tries notes and tests tubular column sealed, and three-layer water injection well immotile tubular column tries notes and tests tubular column sealed includes Y531 type packer, level pressure switch and ZY521 type packer that connect gradually from the top down through oil pipe. Through setting up Y531 type packer and ZY521 type packer, can realize the operation of separate layer water injection through setting up ZY521 type packer and Y531 type packer in proper order, reach the purpose of accomplishing the examination notes of oil reservoir and the seal work of examining of packer under the condition of motionless tubular column.
Description
Technical field
The utility model relates to extracting device of oil field, specifically a kind of three layers of water injection well fixed tubular column injection test and test the tubing string of envelope.
Background technology
Waterflooding extraction is the main development scheme in most oil field, and along with the requirement of oil reservoir fine development is more and more higher, the water filling progression of water filling block requires also corresponding raising.At present, for separate water injection well, the water injection pressure of each layer is the base values formulating water injection well measures is also one of most important index, traditional injection test tubing string can only realize the injection test work to 2 layers of water injection well, effectively can determine whether packer all sets successfully, and need again running string to realize injection test again for 3 layers of water injection well, and need when middle level injection test lower floor's injection test again, checking sealing of packer set situation after carry out injection test, long construction period, operating cost is high, adds operation work labour intensity.
Utility model content
The injection test of oil reservoir and the deficiency testing envelope work of packer cannot be completed when fixed tubular column to overcome existing three layers of water injection well, the utility model provides the injection test of a kind of three layers of water injection well fixed tubular column and tests the tubing string of envelope, completes the injection test of oil reservoir and the object testing envelope work of packer when to reach fixed tubular column.
The utility model solves the technical scheme that its technical problem adopts: a kind of three layers of water injection well fixed tubular column injection test and test the tubing string of envelope, and the injection test of three layers of water injection well fixed tubular column and the tubing string testing envelope comprise the Y531 type packer, constant pressure switch and the ZY521 type packer that are connected successively from the top down by oil pipe.
Further, what be arranged on Y531 type packer upper end is the first oil pipe, and the external diameter of the first oil pipe is 73.02mm ~ 88.9mm, and the internal diameter of the first oil pipe is 62mm ~ 76mm.
Further, being arranged between the lower end of Y531 type packer and the upper end of constant pressure switch is the second oil pipe, and the external diameter of the second oil pipe is 73.02mm ~ 88.9mm, and the internal diameter of the second oil pipe is 62mm ~ 76mm.
Further, between the upper end being arranged on constant pressure switch lower end and ZY521 type packer is the 3rd oil pipe, and the external diameter of the 3rd oil pipe is 73.02mm ~ 88.9mm, and the internal diameter of the 3rd oil pipe is 62mm ~ 76mm.
Further, what be arranged on the lower end of ZY521 type packer is the 4th oil pipe, and the external diameter of the 4th oil pipe is 73.02mm ~ 88.9mm, and the internal diameter of the 4th oil pipe is 62mm ~ 76mm.
Further, the maximum value of pressure reduction up and down that Y531 type packer can bear is 25MPa.
Further, the injection test of three layers of water injection well fixed tubular column and test the tubing string of envelope in running order time, Y531 type packer is between upper strata oil reservoir and middle level oil reservoir, and ZY521 type packer is between middle level oil reservoir and lower floor's oil reservoir.
The beneficial effects of the utility model are, by arranging Y531 type packer and ZY521 type packer, can by setting ZY521 type packer and Y531 type packer realize the operation of seperated layer water injection successively,, reach the object testing envelope work of injection test and the packer completing oil reservoir when fixed tubular column.
Meanwhile, in the utility model embodiment, the technical scheme structure of the injection test of three layers of water injection well fixed tubular column and the tubing string of testing envelope is simple, easy construction, effectively shorten the activity duration, reduce operating cost, better can enroll oil reservoir injection test pressure data, know next step water filling work.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The three layers of water injection well fixed tubular column injection test of Fig. 1 the utility model and the tubing string embodiment testing envelope are in the schematic diagram of the first state;
The three layers of water injection well fixed tubular column injection test of Fig. 2 the utility model and the tubing string embodiment testing envelope are in the schematic diagram of the second state.
Reference numeral in figure: 10, Y531 type packer; 20, constant pressure switch; 30, ZY521 type packer; 41, the first oil pipe; 42, the second oil pipe; 43, the 3rd oil pipe; 44, the 4th oil pipe; 60, nozzle; 71, upper strata oil reservoir; 72, middle level oil reservoir; 73, lower floor's oil reservoir.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As depicted in figs. 1 and 2, the utility model embodiment provides the injection test of a kind of three layers of water injection well fixed tubular column and tests the tubing string of envelope, and this tubing string comprises the Y531 type packer 10, constant pressure switch 20 and the ZY521 type packer 30 that are connected successively from the top down by oil pipe.
By arranging Y531 type packer 10 and ZY521 type packer 30, can by setting ZY521 type packer 10 and Y531 type packer 30 realize the operation of seperated layer water injection successively,, reach the object testing envelope work of injection test and the packer completing oil reservoir when fixed tubular column.
Particularly, what be arranged on Y531 type packer 10 upper end be the external diameter of the first oil pipe 41, first oil pipe 41 is 73.02mm ~ 88.9mm, and the internal diameter of the first oil pipe 41 is 62mm ~ 76mm.Being arranged between the lower end of Y531 type packer and the upper end of constant pressure switch 20 be the external diameter of the second oil pipe 42, second oil pipe 42 is 73.02mm ~ 88.9mm, and the internal diameter of the second oil pipe 42 is 62mm ~ 76mm.Between the upper end being arranged on constant pressure switch 20 lower end and ZY521 type packer 30 be the external diameter of the 3rd oil pipe the 43, three oil pipe 43 is 73.02mm ~ 88.9mm, and the internal diameter of the 3rd oil pipe 43 is 62mm ~ 76mm.What be arranged on the lower end of ZY521 type packer 30 be the external diameter of the 4th oil pipe the 44, four oil pipe 44 is 73.02mm ~ 88.9mm, and the internal diameter of the 4th oil pipe 44 is 62mm ~ 76mm.Preferably, one end of the 4th oil pipe 44 is also provided with the nozzle 60 for spraying water, to reach optimum flood effectiveness.
Y531 packer in the utility model embodiment is a kind of compression packer, and it has packing element, by suppressing to water filling in the first oil pipe 41, cut off shear pin, promote upper piston descending, packing element is compressed, packing element diameter becomes large, thus realizes setting oil jacket annular space.When deblocking, by upper lifting pipe post, packing element elasticity returns to ortho states, just can realize deblocking.The ZY521 packer that the utility model adopts is the packer set by theory of mechanics, and it has packing element, by carry the first oil pipe 41, and after rotating tubing string, transfer the first oil pipe 41, realize setting of ZY521 packer; When deblocking, return to ortho states by upper lifting pipe post packing element elasticity, just can realize deblocking.
It should be noted that, the maximum value of pressure reduction up and down that the Y531 type packer 10 in the utility model embodiment can bear is 25MPa.
Further, as depicted in figs. 1 and 2, the injection test of three layers of water injection well fixed tubular column and test the tubing string of envelope in running order time, Y531 type packer 10 is between upper strata oil reservoir 71 and middle level oil reservoir 72, and ZY521 type packer 30 is between middle level oil reservoir 72 and lower floor's oil reservoir 73.
As shown in Figure 1, in the course of work, first set ZY521 packer, suppressed the injection test to bottom oil layer by oil pipe, and set situation by opening sleeve valve observation envelope device, confirm data accuracy.Secondly set Y531 by pitching, and continue to suppress, open constant pressure switch, now Y531 and ZY521 and oil pipe realize sealing ring, to middle level injection test, open sleeve valve observation envelope device simultaneously and set situation, as shown in Figure 2; The injection test to upper strata has been suppressed finally by sleeve pipe.
From above description, can find out, the utility model the above embodiments achieve following technique effect: by arranging Y531 type packer and ZY521 type packer, the operation of seperated layer water injection can be realized by setting different packer, reach the object testing envelope work of injection test and the packer completing oil reservoir when fixed tubular column.
Meanwhile, the technical scheme structure in the utility model embodiment is simple, and easy construction, effectively shortens the activity duration, reduces operating cost, better can enroll oil reservoir injection test pressure data, knows next step water filling work.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. three layers of water injection well fixed tubular column injection test and test the tubing string of envelope, it is characterized in that, the injection test of described three layers of water injection well fixed tubular column and the tubing string testing envelope comprise the Y531 type packer (10), constant pressure switch (20) and the ZY521 type packer (30) that are connected successively from the top down by oil pipe, what be arranged on Y531 type packer (10) upper end is the first oil pipe (41), the external diameter of the first oil pipe (41) is 73.02mm ~ 88.9mm, and the internal diameter of the first oil pipe (41) is 62mm ~ 76mm.
2. three layers of water injection well fixed tubular column according to claim 1 injection test and test the tubing string of envelope, it is characterized in that, be arranged between the lower end of Y531 type packer and the upper end of constant pressure switch (20) is the second oil pipe (42), the external diameter of the second oil pipe (42) is 73.02mm ~ 88.9mm, and the internal diameter of the second oil pipe (42) is 62mm ~ 76mm.
3. three layers of water injection well fixed tubular column according to claim 2 injection test and test the tubing string of envelope, it is characterized in that, between the upper end being arranged on constant pressure switch (20) lower end and ZY521 type packer (30) is the 3rd oil pipe (43), the external diameter of the 3rd oil pipe (43) is 73.02mm ~ 88.9mm, and the internal diameter of the 3rd oil pipe (43) is 62mm ~ 76mm.
4. three layers of water injection well fixed tubular column according to claim 3 injection test and test the tubing string of envelope, it is characterized in that, what be arranged on the lower end of ZY521 type packer (30) is the 4th oil pipe (44), the external diameter of the 4th oil pipe (44) is 73.02mm ~ 88.9mm, and the internal diameter of the 4th oil pipe (44) is 62mm ~ 76mm.
5. three layers of water injection well fixed tubular column according to claim 1 injection test and test the tubing string of envelope, it is characterized in that, the maximum value of pressure reduction up and down that Y531 type packer (10) can bear is 25MPa.
6. three layers of water injection well fixed tubular column according to claim 1 injection test and test the tubing string of envelope, it is characterized in that, the injection test of described three layers of water injection well fixed tubular column and test the tubing string of envelope in running order time, Y531 type packer (10) is between upper strata oil reservoir and middle level oil reservoir, and ZY521 type packer (30) is between middle level oil reservoir and lower floor's oil reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363879.6U CN204941493U (en) | 2015-05-29 | 2015-05-29 | Three-layer water injection well immovable pipe column injection testing and seal testing pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363879.6U CN204941493U (en) | 2015-05-29 | 2015-05-29 | Three-layer water injection well immovable pipe column injection testing and seal testing pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941493U true CN204941493U (en) | 2016-01-06 |
Family
ID=55008934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520363879.6U Expired - Fee Related CN204941493U (en) | 2015-05-29 | 2015-05-29 | Three-layer water injection well immovable pipe column injection testing and seal testing pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204941493U (en) |
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2015
- 2015-05-29 CN CN201520363879.6U patent/CN204941493U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 |