CN206477827U - A kind of laminated oil extraction structure adopted of heavy wool - Google Patents
A kind of laminated oil extraction structure adopted of heavy wool Download PDFInfo
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- CN206477827U CN206477827U CN201621195568.4U CN201621195568U CN206477827U CN 206477827 U CN206477827 U CN 206477827U CN 201621195568 U CN201621195568 U CN 201621195568U CN 206477827 U CN206477827 U CN 206477827U
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Abstract
The utility model relate to a kind of laminated oil extraction structure adopted of heavy wool, including polished rod, plunger type toroidal membrane, casing head, Deng, polished rod is connected by overflowing centralizer with convex annulus line, upper liquid outlet, lower liquid outlet, oil gas dividing plate is each connected with casing head, plunger type toroidal membrane is connected to oil gas dividing plate and overflowing centralizer, convex annulus line is connected by hollow centralizer with hollow rod, hollow rod is connected with pump barrel, pump barrel is connected with standing valve, casing head passes through thread seal circle and sleeve pipe connection, sleeve pipe is connected with shaft bottom, casing head is connected with oil pipe, oil pipe is connected by standing valve with screen casing, top side valve, upper packer, bottom side valve, lower packet is each connected to oil pipe and sleeve pipe, wherein top side valve includes sealing ring and valve ball, beneficial effect：Available for three layers of oil commingling of different pressures, oil extraction in oil field efficiency is improved, production practice has been simplified, reduces the cost of winning in oil field, the economic benefit of single branch multiple-zone well exploitation is improved.
Description
Technical field
The present invention relates to a kind of laminated oil extraction structure adopted of heavy wool, and in particular to a kind of same pit shaft is with the time to difference
Three oil reservoirs of pressure carry out closing the oil extraction structure adopted.
Background technology
During reservoir exploration, often it is related to some stacked oil reservoirs, because each formation pressure is different, if using single
Layer well production technique often causes to adopt compatibling problem, such as oil-producing crossfire problem altogether between oil reservoir, and the technique successively recovered the oil is numerous
It is trivial, take time and effort, and layer-by-layer mining is not notable for the exploitation economic benefit of single branch multiple-zone well, in order to solve above-mentioned ask
Topic, can be using adopting technology generally for the oil well of single branch multilayer altogether, but known technology of adopting altogether is often only intended to two layers of oil reservoir
Partial pressure adopt altogether or the same pressure of multiple zone is adopted altogether, but some stacked oil reservoirs have three layers so that more different force feed layers so that
Existing excavating technology can not be realized to be adopted altogether.It is this we have proposed a kind of laminated oil extraction structure adopted of heavy wool, the independent oil by constructing
Circulation road make above two oil reservoirs isolate exploitation with bottom oil layer, then by reducing area of passage, the oil of middle part oil reservoir output is existed
Negative pressure is caused during by top oil reservoir, upper oil reservoir Crude Oil is suctioned out and carries out well, that realizes three oil reservoirs adopts technology altogether, reduces
Oil extraction cost, substantially increases oil recovery efficiency.
The content of the invention
The present invention by problem above there is provided it is a kind of efficiently and the low heavy wool of cost of winning is laminated adopts structure, and set
Count oil jacket annular space and hollow rod continues double-current pressure passageway, design convex annulus line causes negative pressure oil suction, so as to realize three oil
The laminated technological effect adopted, oil recovery efficiency is high and cost of winning is low.
To reach that above-mentioned purpose the technical solution adopted in the present invention is：Including polished rod, plunger type toroidal membrane, sleeve pipe
Head, thread seal circle, upper liquid outlet, lower liquid outlet, oil gas dividing plate, overflowing centralizer, convex annulus line, sealing ring, valve ball, on
Portion's side valve, upper packer, hollow centralizer, oil pipe, bottom side valve, hollow rod, sleeve pipe, travelling valve, pump barrel, lower packing
Device, standing valve, screen casing, shaft bottom, described polished rod is connected by overflowing centralizer with convex annulus line, upper liquid outlet, under go out
Liquid mouthful, oil gas dividing plate are each connected with casing head, and plunger type toroidal membrane is connected to oil gas dividing plate and overflowing centralizer, convex type ring
Blank pipe is connected by hollow centralizer with hollow rod, and hollow rod is connected with pump barrel, and pump barrel is connected with standing valve, set
Tube head is connected by thread seal circle and sleeve pipe connection, sleeve pipe with shaft bottom, and casing head is connected with oil pipe, and oil pipe connects with standing valve
Connect, standing valve is connected with screen casing, top side valve is connected to oil pipe and sleeve pipe, wherein top side valve includes sealing ring and valve ball,
Upper packer is connected to oil pipe and sleeve pipe, and bottom side valve is connected to oil pipe and sleeve pipe, and lower packet is connected to oil pipe and sleeve pipe.
On the basis of above-mentioned technical proposal, a kind of laminated oil extraction structure adopted of heavy wool, convex annulus line passes through hollow righting
Device is connected with hollow rod, and hollow rod is connected with pump barrel, and pump barrel is connected with standing valve, and casing head passes through thread seal
Circle and sleeve pipe connection, sleeve pipe are connected with shaft bottom, and casing head is connected with oil pipe, and oil pipe is connected with standing valve, standing valve and sieve
Pipe is connected.
On the basis of above-mentioned technical proposal, a kind of laminated oil extraction structure adopted of heavy wool, top side valve is connected to oil pipe and set
Pipe, wherein top side valve include sealing ring and valve ball, and upper packer is connected to oil pipe and sleeve pipe, bottom side valve be connected to oil pipe with
Sleeve pipe, lower packet is connected to oil pipe and sleeve pipe.
On the basis of above-mentioned technical proposal, a kind of laminated oil extraction structure adopted of heavy wool, plunger type toroidal membrane includes ring
Shape stopper head, annular leather packing, annular plunger, base, wherein annular stopper head is connected with annular plunger, annular plunger connection ring shape
Leather packing and base.
On the basis of above-mentioned technical proposal, a kind of laminated oil extraction structure adopted of heavy wool, overflowing centralizer includes screw thread
Hole, centralizer main body, lower screwed hole, spring, spin, spin seat, flowing hole, wherein upper screwed hole are with lower screwed hole by centralizer
Main body is connected, centralizer main body connection flowing hole, centralizer main body connection spin seat, spring connection spin and spin seat.
The beneficial effects of the invention are as follows：The compatibling problem of different pressure oil comminglings is solved, fluid crossfire is prevented, realizes three
Oil commingling, is greatly improved production efficiency of the oil field for single branch multiple-zone well, and simplify the complexity of exploitation multiple zone
Technique, reduces single branch multiple-zone well cost of winning.
Brief description of the drawings
Fig. 1：Structural representation of the present invention in upstroke operation；
Fig. 2：The opening of present invention top side valve in upstroke operation；
Fig. 3：The opening of present invention bottom side valve in upstroke operation；
Fig. 4：The opening of the present invention standing valve and travelling valve in upstroke operation；
Fig. 5：Structural representation of the present invention in down stroke operation；
Fig. 6：The opening of present invention top side valve in down stroke operation；
Fig. 7：The opening of present invention bottom side valve in down stroke operation；
Fig. 8：The opening of the present invention standing valve and travelling valve in down stroke operation；
Fig. 9：Plunger type toroidal membrane structure chart in structure of the present invention；
Figure 10：Overflowing centralizer structure chart in structure of the present invention；
Symbol description：
1. polished rod, 2. plunger type toroidal membranes, 2a. annular stopper head, the annular leather packings of 2b., the annular plungers of 2c., 2d. bottoms
Seat, 3. casing heads, 4. thread seal circles, 5. upper liquid outlets, 6. lower liquid outlets, 7. oil gas dividing plates, 8. overflowing centralizers, on 8a.
Screwed hole, 8d. springs, 8e. spin, 8f. spin seat, 8g. flowing holes, 9. convexs under screwed hole, 8b. centralizers main body, 8c.
Under annulus line, 10. sealing rings, 11. valve balls, 12. top side valves, 13. upper packers, 14. hollow centralizers, 15. oil pipes, 16.
Portion's side valve, 17. hollow rods, 18. sleeve pipes, 19. travelling valves, 20. pump barrels, 21. lower packets, 22. standing valves, 23.
Screen casing, 24. shaft bottoms
Embodiment
The invention will be further described with example below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of laminated oil extraction structure adopted of heavy wool, including polished rod (1), plunger type toroidal membrane (2), sleeve pipe
Head (3), thread seal circle (4), upper liquid outlet (5), lower liquid outlet (6), oil gas dividing plate (7), overflowing centralizer (8), convex type ring
Blank pipe (9), sealing ring (10), valve ball (11), top side valve (12), upper packer (13), hollow centralizer (14), oil pipe
(15), bottom side valve (16), hollow rod (17), sleeve pipe (18), travelling valve (19), pump barrel (20), lower packet (21),
Standing valve (22), screen casing (23), shaft bottom (24), described polished rod (1) passes through overflowing centralizer (8) and convex annulus line (9)
Connection, polished rod (1) connection ground installation, transmit power, upper liquid outlet (5), lower liquid outlet (6), oil gas dividing plate (7) each with set
Tube head (3) is connected, and plunger type toroidal membrane (2) is connected to oil gas dividing plate (7) and overflowing centralizer (8), convex annulus line (9)
It is connected by hollow centralizer (14) with hollow rod (17), hollow rod (17) is connected with pump barrel (20), pump barrel (20)
It is connected with standing valve (22), casing head (3) is connected by thread seal circle (4) with sleeve pipe (18), sleeve pipe (18) and shaft bottom
(24) connect, casing head (3) is connected with oil pipe (15), and oil pipe (15) is connected with standing valve (22), standing valve (22) and sieve
(23) connection is managed, top side valve (12) is connected to oil pipe (15) and sleeve pipe (18), and wherein top side valve (12) includes sealing ring
(10) with valve ball (11), upper packer (13) is connected to oil pipe (15) and sleeve pipe (18), and bottom side valve (16) is connected to oil pipe
(15) with sleeve pipe (18), lower packet (21) is connected to oil pipe (15) and sleeve pipe (18).Based on the formation pressure size of underground three
Difference, during oil extraction structure upstroke operation, the oil-producing in oil reservoir 3 enters oil pipe (15) by screen casing (23), now
Standing valve (22) is opened, and travelling valve (19) is closed, and the fluid in pump barrel (20) sequentially passed through hollow rod (17), empty
Heart centralizer (14), convex annulus line (9), the flowing hole (8g) of overflowing centralizer (8) enters plunger type toroidal membrane (2) and light
In bar (1) annular space, from upper liquid outlet (5) output, wherein hollow centralizer (14) and overflowing centralizer (8) righting convex annular space
Manage (9), it is to avoid convex annulus line (9) convex wall passes through hollow oil pumping with the oil-producing that oil pipe (15) is come in contact in abrasion, oil reservoir 2
The annular space interval of bar (17) and oil pipe (15) is carried to lower liquid outlet (6), and now bottom side valve (16) is closed, and convex is passed through between way
Annulus line (9), causes production liquid to cause negative pressure flowing through convex annulus line (9) and oil pipe (15) annular space interval under convex wall effect,
Now top side valve (12) is opened, and the oil-producing in oil reservoir 1 is sucked out top side valve (12), is carried together under by the oil-producing of oil reservoir 2
Liquid outlet (6)；During oil extraction structure down stroke operation, standing valve (22) is closed, and travelling valve (19) is opened, and is led to
Cross and be about to oil-producing under pump barrel (20) and squeeze out well from upper liquid outlet (5), while causing vacuum, lower side when pump barrel (20) is descending
Valve (16) is opened, and the annular space that the fluid of oil reservoir 2 is sucked into hollow rod (17) and oil pipe (15) is interval, and in convex annulus line
(9) vacuum will be also caused when descending, top side valve (12) is opened, the fluid in oil reservoir 1 be inhaled into hollow rod (17) with
The annular space of oil pipe (15) is interval, realizes the uninterruptedly oil recovery of oil reservoir 1；The efficiency of oil recovery is substantially increased, oil mining is improved
Economic benefit.
Preferably, the laminated oil extraction structure adopted of described a kind of heavy wool, it is characterised in that：Convex annulus line (9) passes through sky
Heart centralizer (14) is connected with hollow rod (17), and hollow rod (17) is connected with pump barrel (20), and pump barrel (20) is with fixing
Valve (22) is connected, and casing head (3) is connected by thread seal circle (4) with sleeve pipe (18), and sleeve pipe (18) is connected with shaft bottom (24),
Casing head (3) is connected with oil pipe (15), and oil pipe (15) is connected with standing valve (22), and standing valve (22) connects with screen casing (23)
Connect.
Preferably, the laminated oil extraction structure adopted of described a kind of heavy wool, it is characterised in that：A kind of laminated oil recovery adopted of heavy wool
Structure, it is characterised in that：Top side valve (12) is connected to oil pipe (15) and sleeve pipe (18), and wherein top side valve (12) includes close
Seal ring (10) and valve ball (11), upper packer (13) are connected to oil pipe (15) and sleeve pipe (18), and bottom side valve (16) is connected to oil
(15) and sleeve pipe (18) are managed, lower packet (21) is connected to oil pipe (15) and sleeve pipe (18).
Preferably, the laminated oil extraction structure adopted of described a kind of heavy wool, it is characterised in that：Plunger type toroidal membrane (2) is wrapped
Annular stopper head (2a), annular leather packing (2b), annular plunger (2c), base (2d), wherein annular stopper head (2a) and ring are included
Shape plunger (2c) is connected, the annular annular leather packing (2b) of plunger (2c) connection and base (2d).
Preferably, the laminated oil extraction structure adopted of described a kind of heavy wool, it is characterised in that：Overflowing centralizer (8) includes
Upper screwed hole (8a), centralizer main body (8b), lower screwed hole (8c), spring (8d), spin (8e), spin seat (8f), flowing hole
(8g), wherein upper screwed hole (8a) are connected with lower screwed hole (8c) by centralizer main body (8b), centralizer main body (8b) connection
Flowing hole (8g), centralizer main body (8b) connection spin seat (8f), spring (8d) connection spin (8e) and spin seat (8f).
The present invention by careful research and discussion redesigned it is a kind of recover the oil that efficient heavy wool is laminated to adopt oil extraction structure,
And design oil jacket annular space and hollow rod continues double-current pressure passageway, design convex annulus line causes negative pressure oil suction, so that real
The technological effect of existing three oil comminglings, oil recovery efficiency is high and cost of winning is low.
The present invention is described by way of example above, but the invention is not restricted to above-mentioned specific embodiment, it is all to be based on
Any change or modification that the present invention is done belong to the scope of protection of present invention.
Claims (5)
1. a kind of laminated oil extraction structure adopted of heavy wool, it is characterised in that：Polished rod (1), plunger type toroidal membrane (2), casing head
(3), thread seal circle (4), upper liquid outlet (5), lower liquid outlet (6), oil gas dividing plate (7), overflowing centralizer (8), convex annular space
Manage (9), sealing ring (10), valve ball (11), top side valve (12), upper packer (13), hollow centralizer (14), oil pipe (15),
Bottom side valve (16), hollow rod (17), sleeve pipe (18), travelling valve (19), pump barrel (20), lower packet (21) is fixed
Valve (22), screen casing (23), shaft bottom (24), described polished rod (1) is connected by overflowing centralizer (8) with convex annulus line (9),
Upper liquid outlet (5), lower liquid outlet (6), oil gas dividing plate (7) are each connected with casing head (3), plunger type toroidal membrane (2) connection
Oil gas dividing plate (7) and overflowing centralizer (8), convex annulus line (9) passes through hollow centralizer (14) and hollow rod (17)
Connection, hollow rod (17) is connected with pump barrel (20), and pump barrel (20) is connected with standing valve (22), and casing head (3) passes through spiral shell
Line sealing ring (4) is connected with sleeve pipe (18), and sleeve pipe (18) is connected with shaft bottom (24), and casing head (3) is connected with oil pipe (15), oil pipe
(15) it is connected with standing valve (22), standing valve (22) is connected with screen casing (23), top side valve (12) is connected to oil pipe (15)
With sleeve pipe (18), wherein top side valve (12) includes sealing ring (10) and valve ball (11), and upper packer (13) is connected to oil pipe
(15) with sleeve pipe (18), bottom side valve (16) is connected to oil pipe (15) and sleeve pipe (18), and lower packet (21) is connected to oil pipe
(15) with sleeve pipe (18).
2. a kind of laminated oil extraction structure adopted of heavy wool, it is characterised in that：Convex annulus line (9) passes through hollow centralizer (14) and sky
Heart sucker rod (17) is connected, and hollow rod (17) is connected with pump barrel (20), and pump barrel (20) is connected with standing valve (22), sleeve pipe
Head (3) is connected by thread seal circle (4) with sleeve pipe (18), and sleeve pipe (18) is connected with shaft bottom (24), casing head (3) and oil pipe
(15) connect, oil pipe (15) is connected with standing valve (22), and standing valve (22) is connected with screen casing (23).
3. a kind of laminated oil extraction structure adopted of heavy wool, it is characterised in that：Top side valve (12) is connected to oil pipe (15) and sleeve pipe
(18), wherein top side valve (12) includes sealing ring (10) and valve ball (11), and upper packer (13) is connected to oil pipe (15) and set
Manage (18), bottom side valve (16) is connected to oil pipe (15) and sleeve pipe (18), and lower packet (21) is connected to oil pipe (15) and sleeve pipe
(18)。
4. a kind of laminated oil extraction structure adopted of heavy wool, it is characterised in that：Plunger type toroidal membrane (2) includes annular stopper head
(2a), annular leather packing (2b), annular plunger (2c), base (2d), wherein annular stopper head (2a) is connected with annular plunger (2c),
The annular annular leather packing (2b) of plunger (2c) connection and base (2d).
5. a kind of laminated oil extraction structure adopted of heavy wool, it is characterised in that：Overflowing centralizer (8) includes upper screwed hole (8a), helps
Positive device main body (8b), lower screwed hole (8c), spring (8d), spin (8e), spin seat (8f), flowing hole (8g), wherein upper screw thread
Hole (8a) is connected with lower screwed hole (8c) by centralizer main body (8b), centralizer main body (8b) connection flowing hole (8g), centralizer
Main body (8b) connection spin seat (8f), spring (8d) connection spin (8e) and spin seat (8f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195568.4U CN206477827U (en) | 2016-11-07 | 2016-11-07 | A kind of laminated oil extraction structure adopted of heavy wool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195568.4U CN206477827U (en) | 2016-11-07 | 2016-11-07 | A kind of laminated oil extraction structure adopted of heavy wool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206477827U true CN206477827U (en) | 2017-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195568.4U Withdrawn - After Issue CN206477827U (en) | 2016-11-07 | 2016-11-07 | A kind of laminated oil extraction structure adopted of heavy wool |
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| CN (1) | CN206477827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401541A (en) * | 2016-11-07 | 2017-02-15 | 中国石油大学(华东) | Oil production structure capable of achieving multi-oil-layer commingled production |
-
2016
- 2016-11-07 CN CN201621195568.4U patent/CN206477827U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401541A (en) * | 2016-11-07 | 2017-02-15 | 中国石油大学(华东) | Oil production structure capable of achieving multi-oil-layer commingled production |
| CN106401541B (en) * | 2016-11-07 | 2019-03-19 | 中国石油大学(华东) | A kind of laminated oil extraction structure adopted of heavy wool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170908 Effective date of abandoning: 20190319 |
|
| AV01 | Patent right actively abandoned |