CN102839955A - Hierarchical metering and filling device for steam injection well - Google Patents
Hierarchical metering and filling device for steam injection well Download PDFInfo
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- CN102839955A CN102839955A CN2012103678099A CN201210367809A CN102839955A CN 102839955 A CN102839955 A CN 102839955A CN 2012103678099 A CN2012103678099 A CN 2012103678099A CN 201210367809 A CN201210367809 A CN 201210367809A CN 102839955 A CN102839955 A CN 102839955A
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Abstract
The invention discloses a hierarchical metering and filling device for a steam injection well. The hierarchical metering and filling device comprises a dual-pipe suspension steam injection well hole, a sleeve pipe gate, a large cross joint, high pressure steam meters, an upper inlet, a lower inlet, a phi 48*38 oil pipe column, phi 114*76 heat insulation pipe columns, a heat insulation pipe compensator, a heat-sensitive steam injection packer, an oil pipe column heat compensator, an upper-layer steam injection tool, an anchoring type steam injection packer, a self-compensating lower-layer steam injection tool and a phi 89 oil pipe column, wherein the high pressure steam meters are mounted between the dual-pipe suspension steam injection well hole and the upper inlet and between the dual-pipe suspension steam injection well hole and the lower inlet of the hierarchical metering and filling device for the steam injection well; the lower part of the dual-pipe suspension steam injection well hole is connected with the large cross joint with the dual-wing sleeve pipe gate; the dual-pipe suspension steam injection well hole is connected with the phi 48*38 oil pipe column and the phi 114*76 heat insulation pipe columns in a sleeved way; the heat insulation pipe compensator is arranged between the phi 114*76 heat insulation pipe columns; the bottom ends of the phi 114*76 heat insulation pipe columns are connected with the heat-sensitive steam injection packer; the phi 89 oil pipe column at the lower part is connected with the oil pipe column heat compensator, the upper-layer steam injection tool and the anchoring type steam injection packer in sequence; and the self-compensating lower-layer steam injection tool is arranged at a bottom end of the phi 48*38 oil pipe column.
Description
Technical field
The present invention relates to oil-field thick-oil oil reservoir vapour and drive notes vapour well two interval stratified stoichiometric injection technologies technology, particularly is a kind of notes vapour well stratified stoichiometric injection device.
Background technology
Steam flooding is that the recovery ratio of having developed heavy crude reservoir is improved in the oil field at present, keeps and improve the main direction of heavy oil production.But in injection process, the difference of aspects such as each series of strata permeability, connectedness causes steam in jection a large amount of along the road channelling of high seepage flow, and Middle-Low Permeability Reservoirs can not get effectively employing.At present, each layer of steam distributing valve formula layering injection string injection rate adjustment of use needs to adopt pulling to change valve, drives well to the great vapour of interlayer difference and regulates very difficulty.Simultaneously since vapour to drive the well number less, be difficult to realize the pulling equipment investment is transformed.
Summary of the invention
The object of the invention is exactly the above-mentioned defective that exists to prior art, and a kind of notes vapour well stratified stoichiometric injection device is provided.
Above-mentioned purpose realizes through following technical scheme:
The present invention includes: vapour well head, sleeve gate, big four, high steam gauge table, upper inlet, lower inlet, ∮ 48 * 38 tubing strings, ∮ 114 * 76 heat-proof strings, instlated tubular expansion loop, temperature-sensitive notes vapour packer, tubing string expansion loop, upper strata notes stripper tool, grappling formula notes vapour packer, self compensation lower floor notes stripper tool, ∮ 89 tubing strings are annotated in two-tube suspension.Between two-tube suspension notes vapour well head of its notes vapour well stratified stoichiometric injection device and upper inlet, the lower inlet high steam gauge table is housed; The bottom is connected with the big four that is provided with the double-vane sleeve gate; Two-tube suspension is annotated the vapour well head and is connected with ∮ 114 * 76 heat-proof strings, ∮ 48 * 38 tubing string suits; In oil well casing, be provided with the instlated tubular expansion loop between ∮ 114 * 76 heat-proof strings down, the bottom is annotated the vapour packer with temperature-sensitive and is connected; Temperature-sensitive is annotated under the vapour packer top of oil reservoir on top; ∮ 89 tubing strings in bottom are annotated stripper tool with tubing string expansion loop, upper strata successively, the grappling formula is annotated the vapour packer and is connected, and between top oil reservoir and bottom oil reservoir, the bottom of ∮ 48 * 38 tubing strings is that stripper tool is annotated by self compensation lower floor under the grappling formula notes vapour packer.
It is two " ten " font cascaded structures that the vapour well head is annotated in two-tube suspension in the above-mentioned notes vapour well stratified stoichiometric injection device; The test valve is equipped with on the top; Master valve is equipped with in the centre, and upper and lower both wings all are equipped with the production gate, and a side connects with the high steam gauge table; Master valve is equipped with down in the bottom, and the bottom is a lower flange.
The invention has the beneficial effects as follows: novel in design, simple in structure, accurate measurement, layering are reliable, easy to operate, can realize the accurate measurement and the control of the notes vapour amount of two intervals, help the fine-grained management of oil reservoir, increase crude output.
Description of drawings
Accompanying drawing is a The field sectional structure sketch map of the present invention.
In the accompanying drawing, the vapour well head is annotated in 1. two-tube suspension, 101. test valves, and 102. produce gates, master valve on 103.; 104. following master valve, 105. lower flanges, 2. sleeve gate, 3. big four, 4. high steam gauge table; 5. upper inlet, 6. lower inlet, 7. ∮ 48 * 38 tubing strings, 8. ∮ 114 * 76 heat-proof strings, 9. instlated tubular expansion loop; 10. temperature-sensitive is annotated the vapour packer, 11. tubing string expansion loops, and stripper tool is annotated on 12. upper stratas, and 13. grappling formulas are annotated the vapour packer, and stripper tool is annotated by 14. self compensation lower floors; 15. sleeve pipe, 16. ∮, 89 tubing strings, 17. top oil reservoirs, 18. bottom oil reservoirs; A. centre bore, B. size tubing string annular space.
The specific embodiment
Be described further in the face of enforcement of the present invention down:
Annotate vapour well stratified stoichiometric injection device and annotate stripper tool, ∮ 89 tubing strings by two-tube suspension notes vapour well head, sleeve gate, big four, high steam gauge table, upper inlet, lower inlet, ∮ 48 * 38 tubing strings, ∮ 114 * 76 heat-proof strings, instlated tubular expansion loop, temperature-sensitive notes vapour packer, tubing string expansion loop, upper strata notes stripper tool, grappling formula notes vapour packer, self compensation lower floor.Between two-tube suspension notes vapour well head of its notes vapour well stratified stoichiometric injection device and upper inlet, the lower inlet high steam gauge table is housed; The bottom is connected with the big four that is provided with the double-vane sleeve gate; Two-tube suspension is annotated the vapour well head and is connected with ∮ 114 * 76 heat-proof strings, ∮ 48 * 38 tubing string suits; Be provided with the instlated tubular expansion loop between ∮ 114 * 76 heat-proof strings; The bottom is annotated the vapour packer with temperature-sensitive and is connected, and ∮ 89 tubing strings in bottom are annotated stripper tool with tubing string expansion loop, upper strata successively, the grappling formula is annotated the vapour packer and is connected, and the bottom of ∮ 48 * 38 tubing strings is that stripper tool is annotated by self compensation lower floor.
Claims (2)
1. annotate vapour well stratified stoichiometric injection device for one kind, comprising: two-tube suspension notes vapour well head (1), sleeve gate (2), big four (3), high steam gauge table (4), upper inlet (5), lower inlet (6), ∮ 48 * 38 tubing strings (7), ∮ 114 * 76 heat-proof strings (8), instlated tubular expansion loop (9), temperature-sensitive notes vapour packer (10), tubing string expansion loop (11), upper strata notes stripper tool (12), grappling formula are annotated vapour packer (13), stripper tool (14), ∮ 89 tubing strings (16) are annotated by self compensation lower floor; It is characterized in that: between the two-tube suspension notes vapour well head (1) of described notes vapour well stratified stoichiometric injection device and upper inlet (5), the lower inlet (6) high steam gauge table (4) is housed; The bottom is connected with the big four that is provided with double-vane sleeve gate (2) (3); Two-tube suspension is annotated vapour well head (1) and is connected with ∮ 114 * 76 heat-proof strings (8), ∮ 48 * 38 tubing strings (7) suit; Be provided with instlated tubular expansion loop (9) between ∮ 114 * 76 heat-proof strings (8); The bottom is annotated vapour packer (10) with temperature-sensitive and is connected; Bottom ∮ 89 tubing strings (16) are annotated stripper tool (12) with tubing string expansion loop (11), upper strata successively, the grappling formula is annotated vapour packer (13) and is connected, and the bottom of ∮ 48 * 38 tubing strings (7) is that stripper tool (14) is annotated by self compensation lower floor.
2. notes vapour well stratified stoichiometric injection device according to claim 1; It is characterized in that: described two-tube suspension is annotated vapour well head (1) and is two " ten " font cascaded structures, and test valve (101) is equipped with on the top, and master valve (103) is equipped with in the centre; Upper and lower both wings all are equipped with produces gate (102); One side connects with high steam gauge table (4), and master valve (104) is equipped with down in the bottom, and the bottom is lower flange (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103678099A CN102839955A (en) | 2012-09-28 | 2012-09-28 | Hierarchical metering and filling device for steam injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103678099A CN102839955A (en) | 2012-09-28 | 2012-09-28 | Hierarchical metering and filling device for steam injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102839955A true CN102839955A (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103678099A Pending CN102839955A (en) | 2012-09-28 | 2012-09-28 | Hierarchical metering and filling device for steam injection well |
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| CN (1) | CN102839955A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359000A (en) * | 2014-09-09 | 2015-02-18 | 中国石油天然气股份有限公司 | High pressure gas layered injection experimental device |
| CN112434394A (en) * | 2019-08-07 | 2021-03-02 | 中国石油天然气股份有限公司 | Method and device for selecting size of polymer flooding concentric double-pipe injection oil pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201679490U (en) * | 2010-02-20 | 2010-12-22 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Steam regulating and metering device for steam injection well |
| CN201857947U (en) * | 2010-11-12 | 2011-06-08 | 中国石油化工股份有限公司 | Non-casing-pressure, high-efficiency and heat-insulation steam injection string |
| CN102287156A (en) * | 2011-08-05 | 2011-12-21 | 中国石油天然气股份有限公司 | Concentric pipe wellhead device for exploiting thickened oil through steam assisted gravity drainage |
| CN102312667A (en) * | 2011-09-23 | 2012-01-11 | 中国石油天然气股份有限公司 | Concentric pipe layered steam injection system and method |
| WO2012026837A1 (en) * | 2010-08-23 | 2012-03-01 | Щлюмберже Холдингс Лимитед | Method for preheating an oil-saturated formation |
-
2012
- 2012-09-28 CN CN2012103678099A patent/CN102839955A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201679490U (en) * | 2010-02-20 | 2010-12-22 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Steam regulating and metering device for steam injection well |
| WO2012026837A1 (en) * | 2010-08-23 | 2012-03-01 | Щлюмберже Холдингс Лимитед | Method for preheating an oil-saturated formation |
| CN201857947U (en) * | 2010-11-12 | 2011-06-08 | 中国石油化工股份有限公司 | Non-casing-pressure, high-efficiency and heat-insulation steam injection string |
| CN102287156A (en) * | 2011-08-05 | 2011-12-21 | 中国石油天然气股份有限公司 | Concentric pipe wellhead device for exploiting thickened oil through steam assisted gravity drainage |
| CN102312667A (en) * | 2011-09-23 | 2012-01-11 | 中国石油天然气股份有限公司 | Concentric pipe layered steam injection system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359000A (en) * | 2014-09-09 | 2015-02-18 | 中国石油天然气股份有限公司 | High pressure gas layered injection experimental device |
| CN112434394A (en) * | 2019-08-07 | 2021-03-02 | 中国石油天然气股份有限公司 | Method and device for selecting size of polymer flooding concentric double-pipe injection oil pipe |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |