CN2679360Y - Composite well negative pressure commingled prodn pumping unit - Google Patents
Composite well negative pressure commingled prodn pumping unit Download PDFInfo
- Publication number
- CN2679360Y CN2679360Y CN 200420003366 CN200420003366U CN2679360Y CN 2679360 Y CN2679360 Y CN 2679360Y CN 200420003366 CN200420003366 CN 200420003366 CN 200420003366 U CN200420003366 U CN 200420003366U CN 2679360 Y CN2679360 Y CN 2679360Y
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- CN
- China
- Prior art keywords
- oil
- negative pressure
- well
- packer
- oil pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a composite well negative pressure commingled production pumping unit for compound well oil production of oil field development, belonging to the field of oil extraction machines. The utility model is composed of an oil-well pump 1, a casing tube 2, an oil tube 3, an upper positioning and directing head 4, a packer 5, a hollow sucker rod 6, and a ring valve 7. The utility model which has simple structure, convenient and practical use, can carry out pump inspection at any time, adapting to the requirements of the prioritization scheme of oil extraction technology. The composite well negative pressure commingled production pumping unit has adjustable stroke and can carry out oil extraction with or without oil pipes, adapting to the requirements of various oil extraction practicing measures.
Description
Technical field the utility model is newly succeeded in developing, and it relates to and a kind ofly is used for compound well negative pressure that the compound well of oil field development recovers the oil and closes and adopt extracting device of oil, belongs to petroleum recovering machinery class.
Background technology is present, and the compound well production technique overwhelming majority is used in the economy exploitation of low pressure and low permeability oil reservoir, and these reservoir formation energy are low, and the fluid supply capacity deficiency has proposed higher requirement for compound well oil recovery technique.The underground structure of existing conventional well negative pressure production technology comprises packer, oil pipe, sleeve pipe, sucker rod, oil well pump etc., it is the key link that solves compound well technology exploitation low pressure and low permeability oil reservoir that conventional well negative pressure production technology is incorporated in the compound well oil recovery, but prior art can not satisfy the requirement of compound well down-hole pipe string structure.
The summary of the invention the purpose of this utility model provides and a kind ofly is used for compound well negative pressure that the compound well of oil field development closes oil recovery and closes and adopt extracting device of oil.The purpose of this utility model is achieved in that it is by oil well pump (1), sleeve pipe (2), oil pipe (3), last positioning and directing head (4), packer (5), hollow rod (6) and ring valve (7) are formed, its assembled relation is: go up positioning and directing head (4), oil pipe (3) connects as one with packer (5), packer (5) is on last positioning and directing head (4), and seat is enclosed on the sleeve pipe (2), last positioning and directing head (4) and packer (5) are enclosed within oil pipe (3) outside, hollow rod (6) and oil well pump (1) are in oil pipe (3) the inside, oil well pump (1) be connected hollow rod (6) below, ring valve (7) seat is on packer (5), and hollow rod (6) is by ring valve (7).
The utility model is simple in structure, and is practical and convenient, can examine pump at any time, adapt to the requirement of oil production technology prioritization scheme, adjustable stroke, but non-tubing oil extraction, there is oil pipe to recover the oil, can adapt to the requirement of various oil producing operation measures, be that compound well negative pressure in a kind of good oil field development is closed and adopted extracting device of oil.
Description of drawings Fig. 1 is that compound well negative pressure is closed and adopted the extracting device of oil schematic diagram.Below in conjunction with accompanying drawing enforcement of the present utility model is described further.
The specific embodiment compound well negative pressure is as shown in Figure 1 closed and is adopted extracting device of oil, and it is made up of oil well pump 1, sleeve pipe 2, oil pipe 3, last positioning and directing head 4, packer 5, hollow rod 6, ring valve 7.Wherein, oil well pump 1 can be soft plunger, satisfies the requirement of sand control, and oil pipe 3 tops can connect oil pipe again, and carrying out compound well has the oil pipe negative pressure production, or no longer connects oil pipe, carries out compound well and does not have the oil pipe negative pressure production.Last positioning and directing head 4, oil pipe 3 connects as one with packer 5, cooperates the location suspension of realization bottom flow string with the inclined-plane that is reserved in compound well well bore casing top by the inclined-plane of last positioning and directing head 4.The effect of packer 5 is packing oil pipe and casing annulus, realizes the negative pressure production technology of compound well, makes it to satisfy the requirement of various oil production technology and oil producing operation.Ring valve 7 is connected with packer 5, sets upright sucker rod.Also erection loop valve 7 not in the system, at this moment, hollow rod 6 can be solid sucker rod.Under the situation of erection loop valve 7 in the system and hollow rod 6, the passage of down-hole liquid stream is: liquid flow to oil well pump 1 from each well, through oil well pump 1, hollow rod 6 liquid is evacuated to ground.When in the system not during erection loop valve 7, the passage of down-hole liquid stream is: liquid flow to oil well pump 1 from each well, is evacuated to ground through oil well pump 1, oil pipe or sleeve pipe (during no oil pipe).
Claims (4)
1, a kind of compound well negative pressure is closed and is adopted extracting device of oil, it is characterized in that it is by oil well pump (1), sleeve pipe (2), oil pipe (3), last positioning and directing head (4), packer (5), hollow rod (6) and ring valve (7) are formed, its assembled relation is: go up positioning and directing head (4), oil pipe (3) connects as one with packer (5), packer (5) is on last positioning and directing head (4), and seat is enclosed on the sleeve pipe (2), last positioning and directing head (4) and packer (5) are enclosed within oil pipe (3) outside, hollow rod (6) and oil well pump (1) are in oil pipe (3) the inside, oil well pump (1) be connected hollow rod (6) below, ring valve (7) seat is on packer (5), and hollow rod (6) is by ring valve (7).
2, compound well negative pressure according to claim 1 is closed and is adopted extracting device of oil, it is characterized in that oil well pump (1) can be soft plunger, and oil pipe (3) top can connect oil pipe again, or no longer connects oil pipe.
3, compound well negative pressure according to claim 1 is closed and is adopted extracting device of oil, it is characterized in that in the device not erection loop valve (7), and at this moment, hollow rod (6) can be solid sucker rod.
4, compound well negative pressure according to claim 1 is closed and is adopted extracting device of oil, it is characterized in that the inclined-plane of positioning and directing head (4) cooperates with the inclined-plane that is reserved in compound well well bore casing top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003366 CN2679360Y (en) | 2004-02-06 | 2004-02-06 | Composite well negative pressure commingled prodn pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003366 CN2679360Y (en) | 2004-02-06 | 2004-02-06 | Composite well negative pressure commingled prodn pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2679360Y true CN2679360Y (en) | 2005-02-16 |
Family
ID=34582543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420003366 Expired - Fee Related CN2679360Y (en) | 2004-02-06 | 2004-02-06 | Composite well negative pressure commingled prodn pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2679360Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922595A (en) * | 2022-05-09 | 2022-08-19 | 中国地质大学（北京） | Oil extraction method and oil extraction system thereof |
-
2004
- 2004-02-06 CN CN 200420003366 patent/CN2679360Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922595A (en) * | 2022-05-09 | 2022-08-19 | 中国地质大学（北京） | Oil extraction method and oil extraction system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Jinpan Science &. Technology Co., Ltd., Panjin Zhang Yan Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Panjin Gold Technology Co., Ltd. Zhang Yan Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050216 Termination date: 20120206 |