CN203114258U - Three-level layered commingling pipe column - Google Patents
Three-level layered commingling pipe column Download PDFInfo
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- CN203114258U CN203114258U CN 201220500005 CN201220500005U CN203114258U CN 203114258 U CN203114258 U CN 203114258U CN 201220500005 CN201220500005 CN 201220500005 CN 201220500005 U CN201220500005 U CN 201220500005U CN 203114258 U CN203114258 U CN 203114258U
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- oil
- pump
- plunger
- level
- oil reservoir
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Abstract
The utility model discloses a three-level layered commingling pipe column, which is used for overcoming the defect that the conventional production pipe column cannot be used for mining more than two oil layers simultaneously. According to the three-level layered commingling pipe column, a first-level pump, an upper packer, an oil tube I, a suspension nipple I, an oil tube II, a second-level pump, a suspension nipple II, an oil tube III, a lower packer and a tail tube are fixedly arranged at the lower end of an oil tube string in sequence, wherein the first-level pump is positioned on an upper oil layer; the upper packer is positioned between the upper oil layer and a middle oil layer; the lower packer is positioned between the middle oil layer and a lower oil layer; an internal thread at the lower end of the suspension nipple I is fixedly connected with the upper end of a sealing barrel; an internal thread at the lower end of suspension nipple II is fixedly connected with the upper end of a pump barrel of a third-level pump; a hollow sealing rod of a plunger assembly is positioned in the sealing barrel; and the diameter of the hollow sealing rod is smaller than those of a first-level pump plunger and a second-level pump plunger. The three-level layered commingling pipe column has the beneficial effects that a next pipe column can be used for mining different oil layers simultaneously, and the production efficiency is increased.
Description
Technical field
The utility model relates to a kind of crude oil production flow string, especially relates to a kind of one-trip string that is applicable to down and exploits the laminated tubing string of adopting of three fractions of different layers position crude oil simultaneously.
Background technology
Since the geology characteristic of oil reservoir, oil reservoir usually in the vertical multilayer distribute, and majority is heterogeneous reservoir, in recovery process, the interlayer interference phenomenon exists on a large scale, the initial production height of especially going into operation, the oil well that moisture rising is fast.Adopt traditional single-stage oil extraction pump to exploit a plurality of oil reservoirs, be subjected to interlayer interference efficient low, can not give full play to the exploitation timeliness, oil field public use secondary layering oil well pump, once descend pump can only realize the separate zone production of two interval intervals, can't realize once descending the pump branch to adopt the purpose of a plurality of oil reservoirs.
The utility model content
Can not realize that in order to overcome existing flow string 2 above oil reservoirs exploit the deficiency of purpose simultaneously, the utility model provides a kind of three fractions the laminated tubing string of adopting.
The technical scheme that its technical problem that solves the utility model adopts is: the laminated tubing string of adopting of three fractions, comprise oil pipe string, sucker rod, oil well pump, packer, sucker rod drive assembly for plunger is done along the oil well pump pump barrel and is pumped, oil well pump is rod-type pumping unit, the lower end of oil well pump is inlet valve, in the plunger of oil well pump delivery valve is installed; 3 or 3 above recverable oil layers are arranged in the pit shaft, and three oil reservoirs from top to bottom are last oil reservoir, middle oil reservoir, following oil reservoir.The lower end of oil pipe string is installed with one-level pump, upper packer, oil pipe I, hanging pup joint I, oil pipe II, two stage pump, hanging pup joint II, oil pipe III, lower packet, tail pipe successively; The one-level pump is positioned at oil reservoir, and upper packer is between last oil reservoir and middle oil reservoir, and lower packet is between middle oil reservoir and following oil reservoir; The internal thread of hanging pup joint I lower end is fixedlyed connected with the sealing drum upper end; The internal thread of hanging pup joint II lower end is fixedlyed connected with triplex pump barrel upper end.Assembly for plunger be fixedly connected sequentially in the lower end of sucker rod disjointed device I, one-level pump plunger, sucker rod I, disjointed device II, hollow seal bar, two stage pump plunger, disjointed device III, triplex plunger; The hollow seal bar is positioned at sealing drum, hollow seal bar and sealing drum radially between for being slidingly matched; The inlet valve of one-level pump, the inlet valve of two stage pump are the eccentric type inlet valve; The diameter of hollow seal bar is less than the diameter of one-level pump plunger, two stage pump plunger.
Between disjointed device III and the triplex plunger universal joint is installed.The inlet valve of triplex is standing valve.
The length of oil pipe I, oil pipe II, oil pipe III is determined according to the distance between three oil reservoirs; The length of sucker rod I is determined according to the distance between one-level pump and the two stage pump.
The beneficial effects of the utility model are, realize that one-trip string is exploited different oil reservoirs simultaneously down, by regulating the distance different oil reservoir of working thickness simultaneously between one-level pump, two stage pump, the triplex, realize that multilayer is the commingling production of oil reservoir, can effectively employ and respectively contribute oil reservoir and can avoid interlayer interference, fully excavate oil well productivity, improve oil well output, improve the exploitation timeliness.
Description of drawings
Fig. 1 is the laminated tubular column structure schematic diagrames of adopting of the utility model three fractions.
Among the figure: 1. one-level pump, 2. one-level pump plunger, 3. inlet valve, 4. upper packer, 5. oil pipe I, 6. sucker rod I, 7. disjointed device II, 8. sealing drum, 9. oil pipe II, 10. hollow seal bar, 11. two stage pumps, 12. two stage pump plungers, 13. inlet valve, 14. universal joints, 15. triplexes, 16. the triplex plunger, 17. inlet valves, 18. lower packets, 19. sucker rod, 20. oil pipe strings, 21. disjointed device I, 22. hanging pup joint I, 23. assembly for plunger, 24. hanging pup joint II, 25. the disjointed device III, 26. oil pipe III, 27. tail pipes, 100. last oil reservoir, oil reservoir in 200., 300. times oil reservoirs.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.But what those skilled in the art should know is that the utility model is not limited to the listed specific embodiment, as long as meet spirit of the present utility model, all should be included in protection scope of the present invention.
Referring to accompanying drawing 1.The utility model three fractions are laminated adopts in the pit shaft of tubing string institute operation 3 or 3 above recverable oil layers, and three oil reservoirs from top to bottom are last oil reservoir 100, middle oil reservoir 200, oil reservoir 300 down.The laminated tubing string of adopting of three fractions comprises oil pipe string 20, sucker rod 19, oil well pump, packer, and oil well pump is rod-type pumping unit, and the lower end of oil well pump is inlet valve; In the plunger of oil well pump delivery valve is installed, delivery valve is travelling valve.
The lower end of oil pipe string 20 is installed with one-level pump 1, upper packer 4, oil pipe I 5, hanging pup joint I 22, oil pipe II 9, two stage pump 11, hanging pup joint II 24, oil pipe III 26, lower packet 18, tail pipe 27 successively.The inlet valve 3 of one-level pump 1 and the inlet valve of two stage pump 11 13 adopt the eccentric type inlet valve; The inlet valve 17 of triplex 15 is standing valve.
The external screw thread of hanging pup joint upper/lower terminal is connected with oil pipe respectively, and the internal thread of hanging pup joint I 22 lower ends is fixedlyed connected with the upper end of sealing drum 8; The internal thread of hanging pup joint II 24 lower ends is fixedlyed connected with triplex 15 pump barrels upper end.
Assembly for plunger 23 be fixedly connected sequentially in the lower end of sucker rod 19 disjointed device I 21, one-level pump plunger 2, sucker rod I6, disjointed device II 7, hollow seal bar 10, two stage pump plunger 12, disjointed device III 25, triplex plunger 16.Upper and lower two parts of disjointed device by embedding the rotation engagement shaft to connection, are convenient to install usually.Between disjointed device III 25 and triplex plunger 16, universal joint 14 is installed, to guarantee the axiality of assembly for plunger 23, reduces the wearing and tearing of tubing string in oil producing operation, reduce unproductive operations such as maintenance.
One-level pump 1 is positioned at oil reservoir 100, and upper packer 4 is between last oil reservoir 100 and middle oil reservoir 200, and lower packet 18 is divided into three independently layer positions with oil reservoir between middle oil reservoir 200 and following oil reservoir 300.
In order to make the laminated oil well pump of adopting tubing string of three fractions can be positioned at the pit shaft appropriate location, the length of oil pipe I5, oil pipe II 9, oil pipe III 26 is determined according to the distance between three oil reservoirs; The length of sucker rod I6 is determined according to the distance between one-level pump 1 and the two stage pump 11, and the sucker rod of suitable length can also be installed between universal joint 14 and triplex plunger 16.
The laminated tubing string production operation process of adopting of the utility model three fractions is,
At first, the laminated tubing string of adopting of three fractions is lowered to appropriate location in the pit shaft, assembly for plunger 23 is done with sucker rod 19 in pump barrel and is pumped;
When assembly for plunger 23 was up: the inlet valve 17 of triplex 15 was opened, and finished the suction of oil reservoir 300 down; The eccentric type inlet valve 13 of two stage pump 11 is opened, and finishes the suction of centering oil reservoir 200; From following oil reservoir 300 and the crude oil of oil reservoir 200 suctions converge to by in the annular space between sucker rod string I6 and the oil pipe I5; The eccentric type inlet valve 3 of one-level pump 1 is opened, and goes up oil reservoir 100 suctions by 3 pairs of inlet valves; One-level pump 1 is also to convergeing to the crude oil suction in the annular space that is formed by assembly for plunger 23 and oil pipe string simultaneously.
When assembly for plunger 23 was descending: the inlet valve of one-level pump 1, two stage pump 11, triplex 15 all was in closed condition; The delivery valve (travelling valve) that is installed in the one-level pump 1, two stage pump 11, triplex 15 plungers is opened, and assembly for plunger 23 enters the oil discharge passage that assembly for plunger 23 and the crude oil in the oil pipe string annular space enter oil well pump when up.
Therefore, last oil reservoir 100, middle oil reservoir 200, the crude oil of 300 3 intervals of oil reservoir is separated before entering that three fractions are laminated to adopt tubing string fully down, and its dynamical system is independent of each other, and reaches to eliminate three purposes that interval interferes with each other.The utility model three fractions are laminated adopts that tubing string is fit to that exploitation oil reservoir well segment length, the production number of plies are many, interlayer difference greatly, the oil reservoir of serious interlayer interference.
It should be noted that above-described embodiment is example and unrestricted the utility model, those skilled in the art can design a lot of alternate embodiments and not break away from the claim scope of this patent.
Claims (4)
1. laminated tubing string of adopting of fraction, comprise oil pipe string, sucker rod, oil well pump, packer, sucker rod drive assembly for plunger is done along the oil well pump pump barrel and is pumped, and oil well pump is rod-type pumping unit, the lower end of oil well pump is inlet valve, in the plunger of oil well pump delivery valve is installed; 3 or 3 above recverable oil layers are arranged in the pit shaft, and three oil reservoirs from top to bottom are last oil reservoir, middle oil reservoir, following oil reservoir, it is characterized in that:
The lower end of described oil pipe string (20) is installed with one-level pump (1), upper packer (4), oil pipe I(5 successively), hanging pup joint I(22), oil pipe II (9), two stage pump (11), hanging pup joint II (24), oil pipe III (26), lower packet (18), tail pipe (27); One-level pump (1) is positioned at oil reservoir (100), and upper packer (4) is arranged between oil reservoir (100) and the oil reservoir (200), and lower packet (18) is arranged between oil reservoir (200) and the following oil reservoir (300);
Described hanging pup joint I(22) internal thread of lower end is fixedlyed connected with sealing drum (8) upper end;
The internal thread of described hanging pup joint II (24) lower end is fixedlyed connected with triplex (15) pump barrel upper end;
Described assembly for plunger (23) the disjointed device I(21 that has been fixedly connected sequentially in the lower end of sucker rod (19)), one-level pump plunger (2), sucker rod I(6), disjointed device II (7), hollow seal bar (10), two stage pump plunger (12), disjointed device III (25), triplex plunger (16);
Described hollow seal bar (10) is positioned at sealing drum (8), hollow seal bar (10) and sealing drum (8) radially between for being slidingly matched;
The inlet valve (3) of described one-level pump (1), the inlet valve (13) of two stage pump (11) are the eccentric type inlet valve;
The diameter of described hollow seal bar (10) is less than the diameter of one-level pump plunger (2), two stage pump plunger (12).
2. according to the laminated tubing string of adopting of described three fractions of claim 1, it is characterized in that: between described disjointed device III (25) and the triplex plunger (16) universal joint (14) is installed.
3. according to the laminated tubing string of adopting of described three fractions of claim 2, it is characterized in that: the inlet valve (17) of described triplex (15) is standing valve.
Described oil pipe I(5), the length of oil pipe II (9), oil pipe III (26) determines according to the distance between three oil reservoirs 4. according to the laminated tubing string of adopting of described three fractions of claim 3, it is characterized in that:;
Described sucker rod I(6) length is determined according to the distance between one-level pump (1) and the two stage pump (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500005 CN203114258U (en) | 2012-09-27 | 2012-09-27 | Three-level layered commingling pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500005 CN203114258U (en) | 2012-09-27 | 2012-09-27 | Three-level layered commingling pipe column |
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| Publication Number | Publication Date |
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| CN203114258U true CN203114258U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500005 Withdrawn - After Issue CN203114258U (en) | 2012-09-27 | 2012-09-27 | Three-level layered commingling pipe column |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696744A (en) * | 2012-09-27 | 2014-04-02 | 大港油田集团有限责任公司 | Three-stage layered commingled production string |
| CN104420834A (en) * | 2013-08-23 | 2015-03-18 | 天津大港油田钻采技术开发公司 | Separate-layer sand blocking simultaneous production pipe string |
| CN105156080A (en) * | 2015-09-15 | 2015-12-16 | 中国石油天然气股份有限公司 | Method for preventing eccentric wear of pumping rod and oil tube and separate-zone whole production tubular column |
-
2012
- 2012-09-27 CN CN 201220500005 patent/CN203114258U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696744A (en) * | 2012-09-27 | 2014-04-02 | 大港油田集团有限责任公司 | Three-stage layered commingled production string |
| CN104420834A (en) * | 2013-08-23 | 2015-03-18 | 天津大港油田钻采技术开发公司 | Separate-layer sand blocking simultaneous production pipe string |
| CN104420834B (en) * | 2013-08-23 | 2017-03-29 | 天津大港油田钻采技术开发公司 | Layering sand block is same to adopt tubing string |
| CN105156080A (en) * | 2015-09-15 | 2015-12-16 | 中国石油天然气股份有限公司 | Method for preventing eccentric wear of pumping rod and oil tube and separate-zone whole production tubular column |
| CN105156080B (en) * | 2015-09-15 | 2018-08-14 | 中国石油天然气股份有限公司 | A kind of method and layering for preventing rod and tube partial-wear is same to adopt tubing string |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee after: Dagang Oil Field Group Co., Ltd. Patentee after: DRILLING TECHNOLOGY DEVELOPMENT COMPANY, TIANJIN DAGANG OILFIELD RESEARCH INSTITUTE OF PETROLEUM ENGINEERING Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee before: Dagang Oil Field Group Co., Ltd. Patentee before: Tianjin Dagang Oilfield Drilling Technology Development Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |