CN105221115B - Bottom water reservoir single tube draining extracting device of oil - Google Patents
Bottom water reservoir single tube draining extracting device of oil Download PDFInfo
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- CN105221115B CN105221115B CN201510689547.1A CN201510689547A CN105221115B CN 105221115 B CN105221115 B CN 105221115B CN 201510689547 A CN201510689547 A CN 201510689547A CN 105221115 B CN105221115 B CN 105221115B
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- oil
- box cupling
- connecting cylinder
- trunnion
- nozzle
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Abstract
The invention belongs to petroleum works field, in particular it relates to a kind of bottom water reservoir single tube draining extracting device of oil；The device includes：Electric submersible pump, lower oil pipe, trunnion anemostat, sliding sleeve, box cupling, adapter；Electric submersible pump bottom outside sets kuppe, even string the bottom of kuppe, the bottom of lower oil pipe is connected with the upper end of trunnion anemostat, connecting cylinder is set on trunnion anemostat, the lower end of connecting cylinder is provided with circular hole, the lower end of connecting cylinder is connected by screw thread with box cupling apical lateral, the lower end of box cupling is connected with the top taken over by screw thread, the bottom of adapter is provided with ball-and-seat, sliding sleeve top is connected by shear pin with connecting cylinder, sliding sleeve bottom is engaged with the top of box cupling, and the top inner side of box cupling is equipped with nozzle.The present invention at utmost delays water cone to be formed, and improves oil production, it is not necessary to which high voltage power equipment is disposed on ground；The lower-continuous mapping of electric submersible pump reduces, and reduces oil-submersible cable temperature resistant grade and reduces oil-submersible cable length, has saved cost.
Description
Technical field
The invention belongs to petroleum works field, in particular it relates to a kind of bottom water reservoir single tube draining extracting device of oil, the bottom of for
The oil field of water oil reservoir, realize that profit with adopting, improves oil recovery efficiency, reduces oil recovery difficulty.
Background technology
It is existing two-tube to suppress water cone method mainly by being responsible for and looped pipeline while recovering the oil and water acquisition suppression water cone with adopting
Formed, this oil production method is not only relevant with geology reservoir, also to DP technology, hole condition, casing programme, cementing quality etc.
Factors have higher technical requirements, and invest larger, and risk is larger, and existing single tube oil recovery scheme such as electric submersible pump-
The compound extraction scheme of electric submersible pump can not be realized while downhole oil and water are taken out mostly with the compound extraction scheme of sucker rod pump-electric submersible pump
Adopt, thus cause oil reservoir energy to reduce pressure and decline, so that producing the situation of bottom water reservoir bottom water coning, reduce oil recovery effect
Rate adds oil recovery difficulty, simultaneously because electric submersible pump lower-continuous mapping is big, required oil recovery cable is relatively long, temperature resistant grade is relative
It is higher, not only reduce the service life of oil production equipment but also improve cost for oil production.
The content of the invention
To overcome drawbacks described above existing for prior art, the present invention provides a kind of bottom water reservoir single tube draining extracting device of oil.
To achieve the above object, the technical solution adopted by the present invention is as follows：
Bottom water reservoir single tube draining extracting device of oil, including：Electric submersible pump, lower oil pipe, trunnion anemostat, sliding sleeve, box cupling, connect
Pipe；Electric submersible pump bottom outside sets kuppe, and the bottom of kuppe is even stringed, bottom and the trunnion anemostat of lower oil pipe
Upper end is connected, and connecting cylinder is set on trunnion anemostat, and the lower end of connecting cylinder is provided with circular hole, the lower end of connecting cylinder by screw thread with
Box cupling apical lateral is connected, and the lower end of box cupling is connected with the top taken over by screw thread, and the bottom of adapter is provided with ball-and-seat, sliding sleeve
Top is connected by shear pin with connecting cylinder, and sliding sleeve bottom is engaged with the top of box cupling, and the top inner side of box cupling is equipped with nozzle.
Relative to existing technology, the present invention has the advantages that：
1st, at utmost delay water cone to be formed, improve oil production；
2nd, the water in shaft bottom inputs high voltage power liquid as power fluid also without ground, therefore disposes height also without ground
Pressure power equipment；
3rd, the lower-continuous mapping of electric submersible pump reduces, and reduces oil-submersible cable temperature resistant grade and reduces oil-submersible cable length,
Cost is saved；
4th, oil-water mixture flows through submersible electric machine with oil and avoids influence of the well depth high temperature to electric submersible pump, extends submersible electric machine with oil
Service life；
5th, tubing string inner nozzle causes profit completely to mix, and the viscosity of high viscosity oil is minimized, and viscosity of crude is to electricity
The influence of latent pump effectively reduces.
Brief description of the drawings
Fig. 1 a are structural representation when bottom water reservoir single tube draining extracting device of oil shear pin connects；
Fig. 1 b are the post-rift structural representation of bottom water reservoir single tube draining extracting device of oil shear pin；
Fig. 2 a are underground scheme of installation when bottom water reservoir single tube draining extracting device of oil shear pin connects；
Fig. 2 b are underground scheme of installation after the fracture of bottom water reservoir single tube draining extracting device of oil shear pin；
In figure：101st, electric submersible pump, 102, kuppe, 103, cable, 104, upper oil pipe, 201, lower oil pipe, 202, the first order
Packer, 301, trunnion anemostat, 302, connecting cylinder, 303, circular hole, 401, sliding sleeve, 402, shear pin, 501, box cupling, 502, spray
Mouth, 601, adapter, 602, ball-and-seat, 603, second level packer, 701, ground, the 702, first lithosphere, 703, oil reservoir, 704,
Second lithosphere, 705, water layer, 801, sleeve pipe, 802, hole.
Embodiment
As shown in Fig. 1 a, Fig. 1 b, Fig. 2 a, Fig. 2 b, bottom water reservoir single tube draining extracting device of oil, including：Electric submersible pump 101, under
Oil pipe 201, trunnion anemostat 301, sliding sleeve 401, box cupling 501, adapter 601；The bottom outside of electric submersible pump 101 sets kuppe 102,
The bottom of kuppe 102 even strings 201, and the bottom of lower oil pipe 201 is connected with the upper end of trunnion anemostat 301, connecting cylinder
302 are set on trunnion anemostat 301, and the lower end of connecting cylinder 302 is provided with circular hole 303, the lower end of connecting cylinder 302 by screw thread with
The apical lateral of box cupling 501 is connected, and the lower end of box cupling 501 is connected with the top of adapter 601 by screw thread, and the bottom of adapter 601 is set
There is ball-and-seat 602, the top of sliding sleeve 401 is connected by shear pin 402 with connecting cylinder 302, the bottom of sliding sleeve 401 and the top of box cupling 501
It is engaged, the top inner side of box cupling 501 is equipped with nozzle 502.
Kuppe 102 is fixed on the bottom of electric submersible pump 101 by screw thread or screw, and the top of kuppe 102 is by electric submersible pump
101 oil inlet floods completely；Kuppe 102 is connected with the top of lower oil pipe, and oil-water mixture can is from lower oil pipe 201
Annular space between kuppe 102 and electric submersible pump 101, so as to which electric submersible pump 101 can be more easily by oil-water mixture
Extraction is to ground 701.
First order packer 202 is provided with around lower oil pipe 201, first order packer 202 is located at the first lithosphere 702 and oil
Between layer 703；Second level packer 603 is connected with around adapter 601, second level packer 603 is located at the second lithosphere 704 and water
Between layer 705.
The top of trunnion anemostat 301 is the taper diffusion chamber that gradually increases of opening, middle part is isodiametric trunnion, bottom is
The opening of taper, trunnion anemostat 301 can effectively reduce the speed and pressure that mixing liquid is sprayed from nozzle 502, simultaneously
Play a part of water-oil separating to a certain extent.
Connecting cylinder 302 is hollow cylinder, and the inner periphery of connecting cylinder 302 is in contact with the excircle of trunnion anemostat 301, even
The same circumferencial direction of lower end edge of connect cylinder 302 is provided with multiple circular holes 303, so that liquid enters near nozzle 502；Connecting cylinder 302
Lower end be connected by screw thread with the apical lateral of box cupling 501, the lower end of box cupling 501 is connected with the top of adapter 601 by screw thread,
The bottom of adapter 601 is provided with ball-and-seat 602.
The top of sliding sleeve 401 is connected by shear pin 402 with connecting cylinder 302, and the bottom of sliding sleeve 401 and the top of box cupling 501 match
Close；The top inner side of box cupling 501 is equipped with nozzle 502, and nozzle 502 is tapered to be provided with trapezoidal hole, nozzle 502 with connecting cylinder 302
Perforate is held in the position correspondence of depth direction, while nozzle 502 and the tapered opening of the bottom of trunnion anemostat 301 are kept necessarily
Gap, the lower section of 501 inner nozzle of box cupling 502 is cylindrical cavity.
Second level packer 603 is provided with around adapter 601, second level packer 603 plays the oil reservoir in the middle part of separated tubing string
703 and the water layer 705 of tubing string bottom secure the radial position of adapter 601 simultaneously, there is a ball-and-seat 602 lower end of adapter 601
It is connected with the shaft bottom tubing string that draws water, liquid passes through ball-and-seat 602 and enters the intracavitary of adapter 601 when drawing water.
It is provided with a number of hole 802 on sleeve pipe 801, the position phase of the position in hole 802 and nozzle 502 in vertical direction
Closely, the fluid of oil reservoir 703 enters tubing string by this some holes 802, finally reaches the annular space near nozzle 502.
The application method of above-mentioned bottom water reservoir single tube draining extracting device of oil is as follows：
Bottom water reservoir single tube draining extracting device of oil is assembled first, then upper oil pipe 104 is connected to the upper end of electric submersible pump 101,
Secondly first order packer 202 is accessed into tubing string be connected between the first lithosphere 702 and oil reservoir 703, then by second level packer
Between 603 the second lithospheres 704 of access and water layer 705, finally tubing string is transferred into sleeve pipe 801；Then set, set
When, the sealing of tubing string is checked, 801 outer liquid of sleeve pipe can not flow into tubing string, and the annular space of sleeve pipe 801 is segmented by packer；Sit
After sealed knot beam, continue to suppress, cut shear pin 402, sliding sleeve 401 moves down and stop motion after the tip contact of adapter 601.
During oil recovery, the absorption pressure of top electric submersible pump 101 drives the flowing of liquid in following tubing string, near nozzle 502
Form pressure difference and open the ball-and-seat 602 of the bottom of adapter 601, oil reservoir liquid flows through the perforate 802 of sleeve pipe 801 and passes through connecting cylinder side
The perforate 303 in face enters tubing string, and the water in shaft bottom is under pressure by adapter 601 and box cupling 501 after ball-and-seat 602 is opened
Chamber is sprayed from nozzle 502 with higher flow velocity, is mixed using the fluid of Venturi tube principle and surrounding and is spread into trunnion
Pipe 301, decompression of slowing down in equal diameter trunnion and taper diffusion chamber, it is latent by electricity again that kuppe 102 is entered by lower oil pipe 201
Pump 101 gives rise to ground 701.
Claims (2)
1. a kind of bottom water reservoir single tube draining extracting device of oil, including：Electric submersible pump, lower oil pipe, trunnion anemostat, sliding sleeve, box cupling, connect
Pipe；It is characterized in that：Electric submersible pump bottom outside sets kuppe, and the bottom of kuppe is even stringed, the bottom of lower oil pipe with
The upper end of trunnion anemostat is connected, and connecting cylinder is set on trunnion anemostat, and the lower end of connecting cylinder is provided with circular hole, under connecting cylinder
End is connected by screw thread with box cupling apical lateral, and the lower end of box cupling is connected with the top taken over by screw thread, and the bottom of adapter is set
There is ball-and-seat, sliding sleeve top is connected by shear pin with connecting cylinder, and sliding sleeve bottom is engaged with the top of box cupling, in the top of box cupling
Side is equipped with nozzle；
Kuppe is fixed on electric submersible pump bottom by screw thread or screw, and the top of kuppe floods the oil inlet of electric submersible pump completely
Not yet；Kuppe is connected with the top of lower oil pipe, and oil-water mixture can enters between kuppe and electric submersible pump from lower oil pipe
Annular space；
First order packer is provided with around lower oil pipe, first order packer is between the first lithosphere and oil reservoir, tubing string lower end
Second level packer is connected between the second lithosphere and water layer；
Trunnion anemostat top is the taper diffusion chamber that gradually increases of opening, middle part is isodiametric trunnion, bottom is taper
Opening；
Connecting cylinder is hollow cylinder, and the inner periphery of connecting cylinder is in contact with the excircle of trunnion anemostat, the lower end edge of connecting cylinder
Same circumferencial direction is provided with multiple circular holes, so that liquid enters near nozzle；The lower end of connecting cylinder passes through screw thread and box cupling top
Outside is connected, and the lower end of box cupling is connected with the top taken over by screw thread, and the bottom of adapter is provided with ball-and-seat；
Sliding sleeve top is connected by shear pin with connecting cylinder, and sliding sleeve bottom is engaged with the top of box cupling；The top inner side dress of box cupling
There are nozzle, the tapered position correspondence for being provided with trapezoidal hole, nozzle and the perforate of connecting cylinder lower end in depth direction of nozzle, while nozzle
Tapered opening with trunnion diffusion bottom of the tube keeps certain gap, is cylindrical cavity below box cupling inner nozzle；
Second level packer is provided with around adapter, second level packer plays the oil reservoir in the middle part of separated tubing string and the water of tubing string bottom
Layer secures the radial position of adapter simultaneously.
2. bottom water reservoir single tube draining extracting device of oil according to claim 1, it is characterised in that：A fixed number is provided with sleeve pipe
The hole of amount, the position correspondence of the position in hole and nozzle in vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689547.1A CN105221115B (en) | 2015-10-21 | 2015-10-21 | Bottom water reservoir single tube draining extracting device of oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689547.1A CN105221115B (en) | 2015-10-21 | 2015-10-21 | Bottom water reservoir single tube draining extracting device of oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221115A CN105221115A (en) | 2016-01-06 |
| CN105221115B true CN105221115B (en) | 2018-02-23 |
Family
ID=54990339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510689547.1A Expired - Fee Related CN105221115B (en) | 2015-10-21 | 2015-10-21 | Bottom water reservoir single tube draining extracting device of oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105221115B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603735A (en) * | 1984-10-17 | 1986-08-05 | New Pro Technology, Inc. | Down the hole reverse up flow jet pump |
| US4726420A (en) * | 1986-02-27 | 1988-02-23 | Petro-Lift Development Corp. | Oil well pumping system |
| CN201372973Y (en) * | 2009-03-20 | 2009-12-30 | 中国石油天然气股份有限公司 | Fixed multi-nozzle jet pump |
| CN201554704U (en) * | 2009-11-25 | 2010-08-18 | 大港油田集团有限责任公司 | Jet pump |
| CN102071916A (en) * | 2009-11-25 | 2011-05-25 | 大港油田集团有限责任公司 | Oil-water separate mining string of bottom water reservoir and jet pump thereof |
| CN203626759U (en) * | 2013-12-13 | 2014-06-04 | 中国海洋石油总公司 | Production pipe column with electric submersible pump and jet pump jointly lifted |
-
2015
- 2015-10-21 CN CN201510689547.1A patent/CN105221115B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603735A (en) * | 1984-10-17 | 1986-08-05 | New Pro Technology, Inc. | Down the hole reverse up flow jet pump |
| US4726420A (en) * | 1986-02-27 | 1988-02-23 | Petro-Lift Development Corp. | Oil well pumping system |
| CN201372973Y (en) * | 2009-03-20 | 2009-12-30 | 中国石油天然气股份有限公司 | Fixed multi-nozzle jet pump |
| CN201554704U (en) * | 2009-11-25 | 2010-08-18 | 大港油田集团有限责任公司 | Jet pump |
| CN102071916A (en) * | 2009-11-25 | 2011-05-25 | 大港油田集团有限责任公司 | Oil-water separate mining string of bottom water reservoir and jet pump thereof |
| CN203626759U (en) * | 2013-12-13 | 2014-06-04 | 中国海洋石油总公司 | Production pipe column with electric submersible pump and jet pump jointly lifted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105221115A (en) | 2016-01-06 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20191021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |