CN201843594U - Fine separate layer water injection process pipe column - Google Patents
Fine separate layer water injection process pipe column Download PDFInfo
- Publication number
- CN201843594U CN201843594U CN201020605188XU CN201020605188U CN201843594U CN 201843594 U CN201843594 U CN 201843594U CN 201020605188X U CN201020605188X U CN 201020605188XU CN 201020605188 U CN201020605188 U CN 201020605188U CN 201843594 U CN201843594 U CN 201843594U
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- water
- injection
- middle level
- pipe
- water injection
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- 238000002347 injection Methods 0.000 title claims abstract description 88
- 239000007924 injection Substances 0.000 title claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title abstract description 5
- 238000005516 engineering process Methods 0.000 claims description 12
- 239000010410 layer Substances 0.000 abstract description 25
- 238000011161 development Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000003129 oil well Substances 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000012797 qualification Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The fine separated layer water injection process pipe column is used for oil well multilayer water injection. An outer oil pipe is hung on the inner wall of a sleeve of the water injection well, an upper layer Y341 packer and a middle layer Y341 packer are connected to the outer oil pipe, and a middle layer underground water injection switch is connected to the outer oil pipe. An inner oil pipe is arranged in the outer oil pipe, and the top of the inner oil pipe is connected with a lower layer control valve and a lower layer wellhead water distributor; the lower end of the inner oil pipe is connected with an underground water separator. The wall of the casing is fixed with a middle layer water injection pipe which is connected with a middle layer control valve and a middle layer wellhead water distributor. An upper water injection pipe is fixed on the casing wall, and an upper control valve and an upper wellhead water distributor are connected to the upper water injection pipe. The effect is as follows: the method realizes fine layered water injection, avoids downhole flow test, reduces interlayer interference and improves the water injection development effect. The layered water quantity is adjusted by the ground, so that the method is visual, simple, convenient and accurate, and can realize separate injection and single-layer alternate injection at the same time.
Description
Technical field
The utility model relates to oil recovery technique field, oil field, and particularly flushing is a kind of meticulous stratified injection water technology tubing string, is applicable to that multilayer is the meticulous seperated layer water injection needs of water injection well.
Background technology
At present, in recent years, it is separate layer water injection string that domestic oil field development goes out multilayer, adopts downhole water flow regulator to allocate, and is subjected to factor affecting such as interlayer suction difference is big, pit shaft fouling corrosion, has seperated layer water injection to measure to transfer that difficulty is big, efficient and a low problem of precision.Along with the prolongation of water flooding time, require to become more meticulous water filling, accurately grasp the water injection rate and the pressure of each series of strata, improve the oil reservoir development level.Existing separate layer water injection string can not meet the demands
The utility model content
The purpose of this utility model is: a kind of meticulous stratified injection water technology tubing string is provided, when satisfying to the requirement of water injection well stratified injection water technology, forward the allotment of seperated layer water injection amount to ground by the down-hole, have characteristics directly perceived, easy, accurate, workable, that the dispensing qualification rate is high, also find out the reservoir water drive rule for geological personnel, realize meticulous water filling, advantage is provided.
The technical solution adopted in the utility model is: meticulous stratified injection water technology tubing string, mainly by lower floor's well head injection well downhole flow regulator, lower floor's control valve, inner oil tube, last tubing head, sleeve pipe, middle level well head injection well downhole flow regulator, the middle level control valve, following tubing head, outer oil pipe, upper strata well head injection well downhole flow regulator, the upper strata control valve, upper strata Y341 packer, middle level underground water-injection switch, middle level Y341 packer and down-hole water knockout drum are formed, it is characterized in that: on the internal surface of sleeve pipe of water injection well by oil pipe outside down tubing head is hung with, be connected with upper strata Y341 packer and middle level Y341 packer outside on the oil pipe, the position of upper strata Y341 packer is between last water filling layer and middle water filling layer; The position of middle level Y341 packer is at middle water filling layer and make a bet between the water layer.Be connected with middle level underground water-injection switch outside on the oil pipe, the position of middle level underground water-injection switch is between upper strata Y341 packer and middle level Y341 packer.
In the oil pipe inner oil tube is arranged outside, inner oil tube is suspended on the tubing head, is connected with lower floor's control valve and lower floor's well head injection well downhole flow regulator at the top of inner oil tube; The lower end of inner oil tube is connected with the down-hole water knockout drum.
Be fixed with the middle level water injection pipe on casing wall, water injection pipe permanent position, middle level is on the top of following tubing head; Be connected with middle level control valve and middle level well head injection well downhole flow regulator on the water injection pipe of middle level.
Be fixed with the upper strata water injection pipe on casing wall, water injection pipe permanent position, upper strata is in the bottom of following tubing head; Be connected with upper strata control valve and upper strata well head injection well downhole flow regulator on the water injection pipe of upper strata.
The beneficial effects of the utility model: the meticulous stratified injection water technology tubing string of the utility model, realize meticulous seperated layer water injection, exempt the downhole flow test, reduce interlayer interference, improve waterflooding development effect.Stratified water amount is regulated by ground, and is directly perceived, easy, accurate, but gets final product also individual layer alternate water injection of while dispensing, workable, dispensing qualification rate height transfers downhole testing to ground survey, find out the reservoir water drive rule for geological personnel, realize meticulous water filling, advantage is provided.
Description of drawings
Fig. 1 is the meticulous stratified injection water technology tubular column structure of a utility model schematic diagram.
Among the figure, 1. lower floor's well head injection well downhole flow regulator, 2. lower floor's control valve, 3. inner oil tube, 4. go up tubing head, 5. sleeve pipe, 6. middle level well head injection well downhole flow regulator, 7. the middle level control valve, 8. descend tubing head, 9. outer oil pipe, 10. upper strata well head injection well downhole flow regulator, 11. upper strata control valves, 12. upper strata Y341 packers, 13. middle level underground water-injection switches, 14. middle level Y341 packers, 15. down-hole water knockout drums.
The specific embodiment
Embodiment 1: with a meticulous stratified injection water technology tubing string is example, and the utility model is described in further detail.
Consult Fig. 1.The meticulous stratified injection water technology tubing string of the utility model is mainly by lower floor's well head injection well downhole flow regulator 1, lower floor's control valve 2,1
1/
2" inner oil tube 3, last tubing head 4,5
1/
2" sleeve pipe 5, middle level well head injection well downhole flow regulator 6, middle level control valve 7, following tubing head 8,3
1/
2" outer oil pipe 9, upper strata well head injection well downhole flow regulator 10, upper strata control valve 11, upper strata Y341 packer 12, middle level underground water-injection switch 13, middle level Y341 packer 14 and down-hole water knockout drum 15 are formed.
At 5 of water injection well
1/
2" be hung with 3 by following tubing head 8 on sleeve pipe 5 inwalls
1/
2" outer oil pipe 9 is 3
1/
2" be connected with upper strata Y341 packer 12 and middle level Y341 packer 14 on the outer oil pipe 9, the position of upper strata Y341 packer 12 is between last water filling layer and middle water filling layer; The position of middle level Y341 packer 14 is at middle water filling layer and make a bet between the water layer.3
1/
2" be connected with middle level underground water-injection switch 13 on the outer oil pipe 9, the position of middle level underground water-injection switch 13 is between upper strata Y341 packer 12 and middle level Y341 packer 14.
3
1/
2" have 1 in the outer oil pipe 9
1/
2" inner oil tube 3,1
1/
2" inner oil tube 3 is suspended on the tubing head 4,1
1/
2" top of inner oil tube 3 is connected with lower floor's control valve 2 and lower floor's well head injection well downhole flow regulator 1; 1
1/
2" lower end of inner oil tube 3 is connected with down-hole water knockout drum 15.
5
1/
2" be fixed with the middle level water injection pipe on sleeve pipe 5 walls, water injection pipe permanent position, middle level is on the top of following tubing head 8; Be connected with middle level control valve 7 and middle level well head injection well downhole flow regulator 6 on the water injection pipe of middle level.
5
1/
2" be fixed with the upper strata water injection pipe on sleeve pipe 5 walls, water injection pipe permanent position, upper strata is in the bottom of following tubing head 8; Be connected with upper strata control valve 11 and upper strata well head injection well downhole flow regulator 10 on the water injection pipe of upper strata.
Well head injection well downhole flow regulator, control valve, Y341 packer, middle level underground water-injection switch and down-hole water knockout drum are existing products, and there is sale in market.Those skilled in the art can use meticulous stratified injection water technology tubing string, finish the seperated layer water injection construction.
Claims (1)
1. meticulous stratified injection water technology tubing string, mainly by lower floor's well head injection well downhole flow regulator (1), lower floor's control valve (2), inner oil tube (3), last tubing head (4), sleeve pipe (5), middle level well head injection well downhole flow regulator (6), middle level control valve (7), following tubing head (8), outer oil pipe (9), upper strata well head injection well downhole flow regulator (10), upper strata control valve (11), upper strata Y341 packer (12), middle level underground water-injection switch (13), middle level Y341 packer (14) and down-hole water knockout drum (15) are formed, it is characterized in that: on sleeve pipe (5) inwall of water injection well by oil pipe (9) outside down tubing head (8) is hung with, be connected with upper strata Y341 packer (12) and middle level Y341 packer (14) outside on the oil pipe (9), the position of upper strata Y341 packer (12) is between last water filling layer and middle water filling layer; The position of middle level Y341 packer (14) is at middle water filling layer and make a bet between the water layer; Be connected with middle level underground water-injection switch (13) on the oil pipe (9) outside, the position of middle level underground water-injection switch (13) is between upper strata Y341 packer (12) and middle level Y341 packer (14);
In the oil pipe (9) inner oil tube (3) is arranged outside, inner oil tube (3) is suspended on the tubing head (4), is connected with lower floor's control valve (2) and lower floor's well head injection well downhole flow regulator (1) at the top of inner oil tube (3); The lower end of inner oil tube (3) is connected with down-hole water knockout drum (15);
Be fixed with the middle level water injection pipe on sleeve pipe (5) wall, water injection pipe permanent position, middle level is on the top of following tubing head (8); Be connected with middle level control valve (7) and middle level well head injection well downhole flow regulator (6) on the water injection pipe of middle level;
Be fixed with the upper strata water injection pipe on sleeve pipe (5) wall, water injection pipe permanent position, upper strata is in the bottom of following tubing head (8); Be connected with upper strata control valve (11) and upper strata well head injection well downhole flow regulator (10) on the water injection pipe of upper strata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020605188XU CN201843594U (en) | 2010-11-11 | 2010-11-11 | Fine separate layer water injection process pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020605188XU CN201843594U (en) | 2010-11-11 | 2010-11-11 | Fine separate layer water injection process pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201843594U true CN201843594U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020605188XU Expired - Lifetime CN201843594U (en) | 2010-11-11 | 2010-11-11 | Fine separate layer water injection process pipe column |
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| CN (1) | CN201843594U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337873A (en) * | 2011-09-01 | 2012-02-01 | 中国石油天然气股份有限公司 | Multi-channel separate injection pipe column for oil pipe of polymer |
| CN104141477A (en) * | 2014-07-28 | 2014-11-12 | 克拉玛依市红都有限责任公司 | Concentric three-tube separated layer water injection device and using method thereof |
| CN104653157A (en) * | 2013-11-19 | 2015-05-27 | 中国石油天然气股份有限公司 | Multi-stage separate-layer water injection string and working method thereof |
| CN105275411A (en) * | 2015-09-10 | 2016-01-27 | 山东墨龙石油机械股份有限公司 | Three-layer tubing string separated injection device |
| CN104453808B (en) * | 2014-11-10 | 2017-05-10 | 中国石油化工股份有限公司 | Underground separate injection method and separate injection pipe column |
| CN106761610A (en) * | 2016-12-26 | 2017-05-31 | 中国石油天然气股份有限公司 | Layered water injection process tubular column and method thereof |
| CN107269245A (en) * | 2017-05-24 | 2017-10-20 | 中国海洋石油总公司 | A kind of method that sand control section substratum for seperated layer water injection/oil recovery is insulated again |
| CN110080731A (en) * | 2019-04-30 | 2019-08-02 | 克拉玛依四维石油科技有限公司 | Big pressure difference laminated distributor under well fills the water control set for adjusting to Dual-channel type with one heart |
| CN113803033A (en) * | 2021-09-18 | 2021-12-17 | 西安洛科电子科技股份有限公司 | Tubular column regulating and controlling device for intelligent separate layer water injection and use method thereof |
-
2010
- 2010-11-11 CN CN201020605188XU patent/CN201843594U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337873A (en) * | 2011-09-01 | 2012-02-01 | 中国石油天然气股份有限公司 | Multi-channel separate injection pipe column for oil pipe of polymer |
| CN102337873B (en) * | 2011-09-01 | 2014-09-17 | 中国石油天然气股份有限公司 | Multi-channel separate injection pipe column for oil pipe of polymer |
| CN104653157A (en) * | 2013-11-19 | 2015-05-27 | 中国石油天然气股份有限公司 | Multi-stage separate-layer water injection string and working method thereof |
| CN104653157B (en) * | 2013-11-19 | 2018-03-09 | 中国石油天然气股份有限公司 | Multi-stage separate-layer water injection string and working method thereof |
| CN104141477A (en) * | 2014-07-28 | 2014-11-12 | 克拉玛依市红都有限责任公司 | Concentric three-tube separated layer water injection device and using method thereof |
| CN104453808B (en) * | 2014-11-10 | 2017-05-10 | 中国石油化工股份有限公司 | Underground separate injection method and separate injection pipe column |
| CN105275411A (en) * | 2015-09-10 | 2016-01-27 | 山东墨龙石油机械股份有限公司 | Three-layer tubing string separated injection device |
| CN106761610A (en) * | 2016-12-26 | 2017-05-31 | 中国石油天然气股份有限公司 | Layered water injection process tubular column and method thereof |
| CN107269245A (en) * | 2017-05-24 | 2017-10-20 | 中国海洋石油总公司 | A kind of method that sand control section substratum for seperated layer water injection/oil recovery is insulated again |
| CN110080731A (en) * | 2019-04-30 | 2019-08-02 | 克拉玛依四维石油科技有限公司 | Big pressure difference laminated distributor under well fills the water control set for adjusting to Dual-channel type with one heart |
| CN113803033A (en) * | 2021-09-18 | 2021-12-17 | 西安洛科电子科技股份有限公司 | Tubular column regulating and controlling device for intelligent separate layer water injection and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |