CN207080211U - A kind of hydraulic control multilevel hierarchy water injection string - Google Patents
A kind of hydraulic control multilevel hierarchy water injection string Download PDFInfo
- Publication number
- CN207080211U CN207080211U CN201720006395.5U CN201720006395U CN207080211U CN 207080211 U CN207080211 U CN 207080211U CN 201720006395 U CN201720006395 U CN 201720006395U CN 207080211 U CN207080211 U CN 207080211U
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- CN
- China
- Prior art keywords
- hydraulic control
- flow regulator
- injection well
- downhole flow
- gear
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Abstract
The utility model discloses a kind of hydraulic control multilevel hierarchy water injection string, including the sleeve pipe set gradually from outside to inside, selective sand control completion tubular column and separate layer water injection string, selective sand control completion tubular column includes the top packer being from top to bottom sequentially connected, upper blind pipe, upper screen casing, isolation packer, lower blind pipe, lower screen casing and sump packer, separate layer water injection string includes the tubing hanger being from top to bottom sequentially connected by oil pipe, storm valve, sliding sleeve and the stifled guide shoe of circle, storm valve is connected with safety valve liquid controling pipe line, liquid controling pipe line location sealing was connected with by oil pipe between sliding sleeve and the stifled guide shoe of circle, the hydraulic control injection well downhole flow regulator of gear more than first, cross liquid controling pipe line insertion sealing and the hydraulic control injection well downhole flow regulator of gear more than second, the hydraulic control of gear more than first injection well downhole flow regulator and the hydraulic control injection well downhole flow regulator of gear more than second are respectively connected with injection well downhole flow regulator liquid controling pipe line.The utility model realizes that separate water injection well allocates operation independent of steel wire equipment, reduces operation intensity, platform holding time is reduced, suitable for high angle hole.
Description
Technical field
A kind of separated-zone water infection oil field tubing string is the utility model is related to, is to be related to a kind of hydraulic control multilevel hierarchy in particular
Water injection string.
Background technology
Conventional batch water injection technology completes allotment operation using steel wire；And offshore oilfield separate water injection well is directional well, well
Tiltedly reach 30% more than 60 ° of water injection well accounting, and if the type water injection well using conventional batch water injection technology, steel wire operation
Difficulty, allotment operation can not be smoothly completed；Steel wire operation, which completes individual well allotment, to be needed to take the 5-6 days time of platform, but with sea
Upper main force's oil field development enters the middle and later periods, and platform well stimulation is frequent, can not allocate operation for separate water injection well and provide enough
Time and space, cause in recent years allotment rate can not further be lifted, had a strong impact on seperated layer water injection development effectiveness.
Utility model content
The purpose of this utility model is to overcome disadvantages mentioned above existing for the existing separate zone waterflooding technology of offshore oilfield, there is provided
A kind of hydraulic control multilevel hierarchy water injection string, realize that the more gear hydraulic control injection well downhole flow regulator water nozzles in underground switch using ground hydraulic.
The purpose of this utility model is achieved through the following technical solutions.
A kind of hydraulic control multilevel hierarchy water injection string of the present utility model, including set gradually from outside to inside sleeve pipe, layering
Sand control completion tubing string and separate layer water injection string, the selective sand control completion tubular column include the top packing being from top to bottom sequentially connected
Device, upper blind pipe, upper screen casing, isolation packer, lower blind pipe, lower screen casing and sump packer, the separate layer water injection string include by
The up to lower tubing hanger being sequentially connected by oil pipe, storm valve, sliding sleeve and the stifled guide shoe of circle, the storm valve are connected with
Safety valve liquid controling pipe line, liquid controling pipe line location sealing, more than first were connected with by oil pipe between the sliding sleeve and the stifled guide shoe of circle
Gear hydraulic control injection well downhole flow regulator, excessively liquid controling pipe line insertion sealing and the hydraulic control injection well downhole flow regulator of gear more than second, the hydraulic control of gear more than first are matched somebody with somebody
Hydrophone and the hydraulic control injection well downhole flow regulator of gear more than second are respectively connected with injection well downhole flow regulator liquid controling pipe line.
The hydraulic control injection well downhole flow regulator of gear more than first is arranged inside blind pipe, and the hydraulic control of gear more than second injection well downhole flow regulator is set
Inside lower blind pipe.
The liquid controling pipe line location sealing of crossing is arranged inside top packer, described to cross liquid controling pipe line insertion sealed set
Inside isolation packer.
The injection well downhole flow regulator liquid controling pipe line was each passed through liquid controling pipe line location sealing and crossed liquid controling pipe line insertion sealed set.
Compared with prior art, beneficial effect caused by the technical solution of the utility model is：
In the utility model, sliding sleeve and the stifled guide shoe of circle are connected with the hydraulic control of gear more than first injection well downhole flow regulator and gear hydraulic control more than second
Injection well downhole flow regulator, the hydraulic control of gear more than first injection well downhole flow regulator and the hydraulic control injection well downhole flow regulator of gear more than second are respectively connected with injection well downhole flow regulator liquid controling pipe line, pass through
Ground hydraulic-control equipment controls the more gear hydraulic control injection well downhole flow regulator water nozzle apertures in underground, online allotment operation is realized, independent of steel wire equipment
Realize that separate water injection well allocates operation, suitable for high angle hole, reduce operation intensity, reduce platform holding time.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference:1- oil pipes, 2- injection well downhole flow regulator liquid controling pipe lines, 3- storm valves, 4- sliding sleeves, 5- cross liquid controling pipe line positioning
Sealing, the 6- hydraulic control injection well downhole flow regulators of gear more than first, 7- cross liquid controling pipe line insertion sealing, and 8-, which justifies, blocks up guide shoe, 9- safety valve liquid controling pipe lines,
10- sleeve pipes, 11- top packers, the upper blind pipes of 12-, the upper screen casings of 13-, 14- isolation packers, 15- sump packers are blind under 16-
Manage, screen casing under 17-, the 18- hydraulic control injection well downhole flow regulators of gear more than second, 19- tubing hangers.
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of hydraulic control multilevel hierarchy water injection string of the present utility model, including set gradually from outside to inside
Sleeve pipe 10, selective sand control completion tubular column and separate layer water injection string, it is, the selective sand control completion tubular column is installed on sleeve pipe 10
Inside, the separate layer water injection string are installed on inside selective sand control completion tubular column.The selective sand control completion tubular column is included by upper
Top packer 11, upper blind pipe 12, upper screen casing 13, isolation packer 14, lower blind pipe 16, the and of lower screen casing 17 being sequentially connected under
Sump packer 15, the selective sand control completion tubular column are when being drilled well inside tripping in advance to sleeve pipe 10.
The separate layer water injection string include from top to bottom be sequentially connected by oil pipe 1 tubing hanger 19, storm valve 3,
Sliding sleeve 4 and the stifled guide shoe 8 of circle, the storm valve 3 are connected with safety valve liquid controling pipe line 9.The sliding sleeve 4 and the stifled guide shoe 8 of circle it
Between from top to bottom by oil pipe 1 be connected with successively liquid controling pipe line location sealing 5, the hydraulic control of gear more than first injection well downhole flow regulator 6, cross hydraulic control
Pipeline insertion sealing 7 and the hydraulic control of gear more than second injection well downhole flow regulator 18.The hydraulic control of gear more than first injection well downhole flow regulator 6 and gear liquid more than second
Control injection well downhole flow regulator 18 is respectively connected with injection well downhole flow regulator liquid controling pipe line 2, and the hydraulic control of gear more than first injection well downhole flow regulator 6 is correspondingly arranged in blind pipe 12
Inside, the hydraulic control of gear more than second injection well downhole flow regulator 18 are correspondingly arranged in inside lower blind pipe 16.The injection well downhole flow regulator liquid controling pipe line 2 is distinguished
Passed through liquid controling pipe line location sealing 5 and crossed liquid controling pipe line insertion sealing 7 and set.The liquid controling pipe line location sealing 5 of crossing is set
Inside top packer 11, the insertion of the liquid controling pipe line excessively sealing 7 is arranged inside isolation packer 14.
The hydraulic control of gear more than first injection well downhole flow regulator 6, the hydraulic control of gear more than second injection well downhole flow regulator 18 are serially connected between oil pipe 1, with point
Layer water injection string tripping in, positioned at each implanted layer position, by ground hydraulic-control equipment, water nozzle size is adjusted, controls each layer position injection rate.
The liquid controling pipe line location sealing 5 excessively, excessively liquid controling pipe line insertion sealing 7 are installed between oil pipe 1, with separate layer water injection string
Enter, coordinate with top packer 11, isolation packer 14, realize oil jacket packing and injection zonal isolation.The gear more than first
An injection well downhole flow regulator liquid controling pipe line 2, the injection well downhole flow regulator hydraulic control is respectively configured in hydraulic control injection well downhole flow regulator 6 and the hydraulic control of gear more than second injection well downhole flow regulator 18
The one end of pipeline 2 is connected with ground hydraulic-control equipment, the other end and the gear hydraulic control water distribution of the hydraulic control of gear more than first injection well downhole flow regulator more than 6 or the second
Device 18 is connected, and the water nozzle of the hydraulic control of gear more than first injection well downhole flow regulator 6, the hydraulic control of gear more than second injection well downhole flow regulator 18 is controlled by pressurization, pressure release
Aperture, so as to control flow.By ground hydraulic-control equipment more gear hydraulic control injection well downhole flow regulator water nozzles of cycling switch step by step, work as ground hydraulic-control
After equipment pressurization, pressure release once, water nozzle aperture increase one-level, gradually increase by repeatedly pressurization, pressure release, water nozzle aperture, until
Close, by controlling water nozzle aperture, control implanted layer position water injection rate.
Although function of the present utility model and the course of work are described above in conjunction with accompanying drawing, the utility model is simultaneously
Above-mentioned concrete function and the course of work are not limited to, above-mentioned embodiment is only schematical, rather than limitation
Property, one of ordinary skill in the art, will not departing from the utility model aims and right under enlightenment of the present utility model
Ask under protected ambit, many forms can also be made, these are belonged within protection of the present utility model.
Claims (4)
1. a kind of hydraulic control multilevel hierarchy water injection string, including set gradually from outside to inside sleeve pipe, selective sand control completion tubular column and
Separate layer water injection string, the selective sand control completion tubular column include top packer, upper blind pipe, the upper sieve being from top to bottom sequentially connected
Pipe, isolation packer, lower blind pipe, lower screen casing and sump packer, the separate layer water injection string include from top to bottom passing through oil pipe
The stifled guide shoe of tubing hanger, storm valve, sliding sleeve and circle being sequentially connected, the storm valve are connected with safety valve hydraulic control pipe
Line, it is characterised in that liquid controling pipe line location sealing, the first multi gear were connected with by oil pipe between the sliding sleeve and the stifled guide shoe of circle
Position hydraulic control injection well downhole flow regulator, cross liquid controling pipe line insertion sealing and the hydraulic control injection well downhole flow regulator of gear more than second, the hydraulic control water distribution of gear more than first
Device and the hydraulic control injection well downhole flow regulator of gear more than second are respectively connected with injection well downhole flow regulator liquid controling pipe line.
A kind of 2. hydraulic control multilevel hierarchy water injection string according to claim 1, it is characterised in that the gear liquid more than first
Control injection well downhole flow regulator is arranged inside blind pipe, and the hydraulic control injection well downhole flow regulator of gear more than second is arranged inside lower blind pipe.
3. a kind of hydraulic control multilevel hierarchy water injection string according to claim 1, it is characterised in that the liquid controling pipe line of crossing is determined
For position sealed set inside top packer, the liquid controling pipe line of crossing inserts sealed set inside isolation packer.
A kind of 4. hydraulic control multilevel hierarchy water injection string according to claim 1, it is characterised in that the injection well downhole flow regulator hydraulic control pipe
Line was each passed through liquid controling pipe line location sealing and crossed liquid controling pipe line insertion sealed set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006395.5U CN207080211U (en) | 2017-01-04 | 2017-01-04 | A kind of hydraulic control multilevel hierarchy water injection string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006395.5U CN207080211U (en) | 2017-01-04 | 2017-01-04 | A kind of hydraulic control multilevel hierarchy water injection string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207080211U true CN207080211U (en) | 2018-03-09 |
Family
ID=61435682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720006395.5U Expired - Fee Related CN207080211U (en) | 2017-01-04 | 2017-01-04 | A kind of hydraulic control multilevel hierarchy water injection string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207080211U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359882A (en) * | 2018-04-10 | 2019-10-22 | 中国石油化工股份有限公司 | A kind of multichannel underground water-injection safety valve structure |
| CN111101912A (en) * | 2020-01-08 | 2020-05-05 | 四川富利斯达石油科技发展有限公司 | Split type concentric water distributor suitable for scaling well and separate injection process |
| CN113669036A (en) * | 2020-05-13 | 2021-11-19 | 中国海洋石油集团有限公司 | Hydraulic control layered oil production system |
-
2017
- 2017-01-04 CN CN201720006395.5U patent/CN207080211U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359882A (en) * | 2018-04-10 | 2019-10-22 | 中国石油化工股份有限公司 | A kind of multichannel underground water-injection safety valve structure |
| CN111101912A (en) * | 2020-01-08 | 2020-05-05 | 四川富利斯达石油科技发展有限公司 | Split type concentric water distributor suitable for scaling well and separate injection process |
| CN113669036A (en) * | 2020-05-13 | 2021-11-19 | 中国海洋石油集团有限公司 | Hydraulic control layered oil production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20190104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |