CN209761692U - Automatic reciprocating hydraulic oil production deep well pump - Google Patents
Automatic reciprocating hydraulic oil production deep well pump Download PDFInfo
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- CN209761692U CN209761692U CN201920149197.3U CN201920149197U CN209761692U CN 209761692 U CN209761692 U CN 209761692U CN 201920149197 U CN201920149197 U CN 201920149197U CN 209761692 U CN209761692 U CN 209761692U
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Abstract
the utility model discloses an automatic reciprocal hydraulic pressure oil recovery deep-well pump, including setting up in hydraulic pump (1) on ground and setting up in hydraulic pump (1) below and output liquid output pipeline (29) that communicate with it, hydraulic pump (1) through power liquid pipe (2) and run through oil pipe (3), oil pipe 3 below is provided with the deep-well pump. The pump pushes a pump piston to work through the piston, so that the lifting force of the pump is improved to two times of the power hydraulic pressure, and the possibility is provided for petroleum exploitation of deep wells and ultra-deep wells.
Description
Technical Field
the utility model relates to an oil development method and exploitation equipment especially relate to an automatic reciprocal hydraulic pressure oil recovery deep-well pump.
Background
With the continuous improvement of deep well and ultra-deep well development technologies, the oil reservoir is buried to a great extent more than 5000 meters, the working fluid level depth of part of blocks is more than 3000 meters, and the normal production of an oil well can be ensured only by implementing the ultra-deep oil pumping technology, so that the oil extraction difficulty and the oil extraction cost are increased, and the requirements on oil extraction equipment are also extremely strict due to the special structure and the special environment in the oil well.
Thus, the inventors have studied a hydraulic pump suitable for oil extraction from deep wells and ultra-deep wells.
SUMMERY OF THE UTILITY MODEL
For solving above current problem, the utility model provides an automatic reciprocal hydraulic pressure oil recovery deep-well pump.
The technical scheme is as follows:
An automatic reciprocating hydraulic oil production deep well pump comprises a hydraulic pump arranged on the ground and a produced liquid output pipeline arranged below the hydraulic pump and communicated with the hydraulic pump, wherein the hydraulic pump passes through a power liquid pipe and a through oil pipe, and the deep well pump is arranged below the oil pipe;
The deep-well pump comprises a hydraulic pump head at the upper end and a pump base at the bottom end, the power liquid pipe penetrates through the hydraulic pump head and then is connected with a reversing valve through a power liquid channel, the reversing valve is arranged in the middle of the hydraulic pump, a piston rod penetrates through the reversing valve and is connected with the reversing valve, a first piston, a second piston and a third piston which can be mutually linked are respectively arranged on the piston rod from top to bottom, and a middle partition plate arranged below the reversing valve penetrates through the piston rod;
An upper pump cavity is formed between the first piston and the pump head, a hydraulic cavity is formed between the first piston and the reversing valve, and a lower hydraulic cavity is formed between the third piston 19 and the middle partition plate;
A control valve signal pipe penetrates through the center part of the reversing valve, a control valve signal pipe notch is formed in one side above the control valve signal pipe, a slide valve is arranged on the periphery of the control valve signal pipe above the control valve signal pipe notch, the bottom of the slide valve is communicated with a slide valve bottom cavity, a downward channel is further arranged on the lower portion of the slide valve bottom cavity, the downward channel is connected with a pump produced liquid channel and a produced liquid one-way valve through a pipeline, and the periphery and the lower end of the slide valve are communicated with a cavity above the middle partition plate and a hydraulic cavity below the middle partition plate through a first hydraulic channel and a second hydraulic channel respectively;
And the power liquid channel is connected with the upper part of the slide valve in the reversing valve.
preferably, the pump head is provided with a pump output liquid channel communicated with the oil pipe, the pump output liquid channel is internally provided with a first output liquid one-way valve and a first liquid inlet one-way valve, and the pump output liquid channel is connected with a second output liquid one-way valve of the pump base through a pipeline.
preferably, the pump base is provided with an oil channel which penetrates through the pump base from top to bottom and is communicated with the lower pump cavity, and a second liquid inlet one-way valve is arranged in the oil channel.
Preferably, the first piston, the second piston and the third piston are closely attached to the inner wall of the hydraulic pump.
Preferably, the upper part of the slide valve is also provided with an upper hydraulic fluid channel communicated with the hydraulic cavity, and the upper hydraulic fluid channel is communicated with the bottom chamber of the slide valve.
Preferably, the pump production fluid passage is also in communication with the upper pump chamber through a first production fluid check valve.
preferably, the control valve pipe can slide up and down by pressing the first piston and the second piston.
The utility model has the advantages that:
1. The method has strong comparability both technically and economically, and provides technical and equipment conditions for effectively relieving and overcoming a plurality of adverse factors caused by stepping in middle and later period exploitation of the oil field.
2. The hydraulic oil well pump becomes an important member of a plurality of oil field oil extraction machines, has high application and popularization values in oil field exploitation, and provides space for reducing the oil extraction cost of a single oil field and realizing the overall operation target of the oil field.
3. The pump has two hydraulic pistons to drive one pump piston to work, so that the lifting force of the pump is increased to twice the power hydraulic pressure, and the possibility of oil exploitation in deep wells and ultra-deep wells is provided.
drawings
FIG. 1 is a schematic view of the whole structure of the automatic reciprocating hydraulic oil production deep well pump of the present invention;
Detailed Description
The technical solution of the present invention will be described in more detail and fully with reference to the accompanying drawings.
an automatic reciprocating hydraulic oil production deep well pump is characterized by comprising a hydraulic pump 1 arranged on the ground and a produced liquid output pipeline 29 arranged below the hydraulic pump and communicated with the hydraulic pump, wherein the hydraulic pump 1 penetrates through an oil pipe 3 through a power liquid pipe 2, and the deep well pump is arranged below the oil pipe 3;
The deep-well pump comprises a hydraulic pump head 4 at the upper end and a pump base 23 at the bottom end, the power liquid pipe 2 penetrates through the hydraulic pump head 4 and then is connected with a reversing valve 27 through a power liquid channel 28, the reversing valve 27 is arranged in the middle of the hydraulic pump, a piston rod 26 penetrates through the reversing valve 27 and is connected with the reversing valve, a first piston 9, a second piston 16 and a third piston 19 which can be mutually linked are respectively arranged on the piston rod from top to bottom, and a middle partition plate 17 arranged below the reversing valve 27 penetrates through the piston rod 26;
An upper pump cavity 8 is formed between the first piston 9 and the pump head 4, a hydraulic cavity 10 is formed between the first piston 9 and the reversing valve 27, and a lower hydraulic cavity 18 is formed between the third piston 19 and the middle partition plate 17;
a control valve signal pipe 15 penetrates through the center of the reversing valve, a control valve signal pipe notch 14 is formed in one side above the control valve signal pipe 15, a slide valve 12 is arranged on the periphery of the control valve signal pipe 15 above the control valve signal pipe notch 14, a slide valve bottom cavity 13 is communicated with the bottom of the slide valve 12, a downward channel is further arranged on the lower portion of the slide valve bottom cavity 13 and is connected with a pump output liquid channel 5 and an output liquid one-way valve 21 through pipelines, and the periphery and the lower end of the slide valve 12 are communicated with a cavity above a middle partition plate 17 and a hydraulic cavity 18 below the middle partition plate 17 through a first hydraulic channel 25 and a second hydraulic channel 24 respectively;
the power fluid channel 28 is connected to the interior of the switching valve 27 above the slide valve 12.
Be equipped with on the pump head 4 with the communicating pump output liquid passageway 5 of oil pipe 3, pump output liquid passageway 5 is inside to be equipped with first output liquid check valve 6 and first feed liquor check valve 7, pump output liquid passageway 5 passes through the pipeline and is connected with the second output liquid check valve 21 of pump base 23.
And an oil channel which penetrates through the pump base 23 from top to bottom and is communicated with the lower pump cavity 20 is arranged on the pump base 23, and a second liquid inlet one-way valve 22 is arranged in the oil channel.
The first piston 9, the second piston 16 and the third piston 19 are tightly attached to the inner wall of the hydraulic pump.
The upper part of the slide valve 12 is also provided with an upper hydraulic fluid channel 11 communicated with the hydraulic cavity 10, and the upper hydraulic fluid channel 11 is communicated with a slide valve bottom chamber 13.
The pump output fluid passage 5 is also in communication with an upper pump chamber 8 through a first output fluid check valve 6.
the control valve pipe 15 can slide up and down by the pressure exerted by the first piston 9 and the second piston 16.
The working principle of the hydraulic oil production deep well pump is as follows:
High-pressure power fluid is input into a pump head 4 of a downhole hydraulic oil production deep well pump through a power fluid pipeline 2 by a ground hydraulic pump 1, flows through a power fluid passage 28 and enters a reversing valve 27 arranged in the middle of the deep well pump, due to the structural characteristics (upper position) of the position of a slide valve 12 of the reversing valve, the power fluid enters the upper ends of a piston 16 and a piston 19 through a hydraulic cylinder passage 24 at the moment to push a piston group to move downwards, the piston 9, the piston 16 and the piston 19 are connected together by a piston rod 26 to form linkage, at the moment, an upper pumping pump cavity 8 at the upper end of the piston 9 starts pumping oil, the oil is sucked through a liquid inlet one-way valve 7, and the liquid in a pumping cavity 20 at the lower end of the piston 19 is. The exhausted power fluid at the lower end of the piston 16 of the piston 9 enters the hydraulic channel 25, enters the produced fluid channel 5 through the reversing valve, is mixed with the pump produced fluid, enters the oil pipe 3, and is output to the ground through the produced fluid pipeline 29.
When the piston group descends to the bottom dead center, the lower end of the piston 9 pushes the control valve stem 15 to descend to the bottom dead center together, at this time, the position of the notch 14 of the control valve stem slides downwards, the downward channel of the high-pressure end of the power fluid and the bottom chamber 13 of the slide valve is closed, the bottom chamber 13 of the slide valve is communicated with the pump output fluid hole 5 and forms a low-pressure end, at this time, the upper surface of the slide valve 12 pushes the slide valve 12 to slide downwards due to the action of power fluid pressure difference, the communication relation between the power fluid channel 28 and the hydraulic channel 24, and the communication relation between the hydraulic channel 25 and the pump output fluid channel 5 are switched, the high-pressure power fluid of the power fluid channel 28 is communicated with the hydraulic channel 25, the hydraulic channel 24 is communicated with the pump output fluid channel 5, and at this time, the power fluid enters the upper hydraulic fluid channel 11 through the. Meanwhile, power fluid enters the lower end of the piston 16 through the hydraulic channel 25 to push the piston 16 to move upwards, and at the moment, spent power fluid in the upper end chamber of the piston 16 and the upper hydraulic cavity 18 enters the pump output fluid hole 5 through the hydraulic channel 24 and the reversing valve 27 to be discharged together with the pump output fluid through the output fluid output pipeline 29 in the oil pipe 3. As the piston assembly moves upward, the upper pump chamber 8 displaces well fluid and the lower pump chamber 20 draws well fluid in. When the piston group goes up to the top dead center, the upper end of the piston 16 pushes the control valve communication pipe 15 to go up, the position of the notch 14 of the control valve communication pipe slides upwards, so that the bottom chamber 13 of the slide valve is communicated with the power fluid channel 28 and forms high pressure, the upper end and the lower end of the slide valve 12 are both high pressure, but the cross section area of the lower end of the reversing valve 12 is larger than that of the upper end, the slide valve 12 is pushed to slide upwards under the action of power fluid pressure difference, the communication relation between the power fluid channel 28 and the hydraulic channel 25, the communication relation between the hydraulic channel 24 and the pump output fluid channel 5 are switched, the high-pressure power fluid of the power fluid channel 28 is communicated with the hydraulic channel 24, the hydraulic channel 25 is communicated with the pump output fluid channel 5, the power fluid enters the upper end and the lower hydraulic cavity 18 of the piston 16 through the hydraulic channel 24 at the moment, the pistons 16 and 19 are pushed to go down, and the, Enters the pump output liquid hole 5 to the oil pipe 3 and is discharged together with the pump output liquid through the output liquid output pipeline 29. As the piston group moves downwards, the upper pump cavity 8 sucks well fluid and the lower pump cavity 20 discharges the well fluid, so that the hydraulic oil production deep well pump can circularly and repeatedly work in a reciprocating manner in the whole working process.
the pump has two hydraulic pistons to drive one pump piston to work, so that the lifting force of the pump is increased to twice the power hydraulic pressure, and the possibility of oil exploitation in deep wells and ultra-deep wells is provided.
The power fluid pumped by the hydraulic pump 1 is the output fluid in the output pipeline 29.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other implementations obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. The automatic reciprocating hydraulic oil production deep-well pump is characterized by comprising a hydraulic pump (1) arranged on the ground and a produced liquid output pipeline (29) arranged below the hydraulic pump (1) and communicated with the hydraulic pump, wherein the hydraulic pump (1) passes through a power liquid pipe (2) and an oil pipe (3), and the deep-well pump is arranged below the oil pipe (3);
The deep-well pump comprises a hydraulic pump head (4) at the upper end and a pump base (23) at the bottom end, the power liquid pipe (2) penetrates through the hydraulic pump head (4) and then is connected with a reversing valve (27) through a power liquid channel (28), the reversing valve (27) is arranged in the middle of the hydraulic pump (1), a piston rod (26) penetrates through the reversing valve (27) and is connected with the reversing valve at the same time, a first piston (9), a second piston (16) and a third piston (19) which can be linked mutually are respectively arranged on the piston rod (26) from top to bottom, and a middle partition plate (17) arranged below the reversing valve (27) penetrates through the piston rod (26);
An upper pump cavity (8) is formed between the first piston (9) and the pump head (4), a hydraulic cavity (10) is formed between the first piston (9) and the reversing valve (27), and a lower hydraulic cavity (18) is formed between the third piston (19) and the middle partition plate (17);
A control valve signal pipe (15) penetrates through the center of the reversing valve (27), a control valve signal pipe notch (14) is formed in one side above the control valve signal pipe (15), a slide valve (12) is arranged on the periphery of the control valve signal pipe (15) above the control valve signal pipe notch (14), a slide valve bottom cavity (13) is communicated with the bottom of the slide valve (12), a downward channel is further arranged on the lower portion of the slide valve bottom cavity (13), the downward channel is connected with a pump output liquid channel (5) and an output liquid one-way valve (21) through pipelines, and the periphery and the lower end of the slide valve (12) are communicated with a cavity above the middle partition plate (17) and a hydraulic cavity (18) below the middle partition plate (17) through a first hydraulic channel (25) and a second hydraulic channel (24) respectively;
The power fluid channel (28) is connected with the upper part of the slide valve (12) in the reversing valve (27).
2. The automatic reciprocating hydraulic oil recovery deep well pump according to claim 1, characterized in that the pump head (4) is provided with a pump output fluid channel (5) communicated with the oil pipe (3), a first output fluid one-way valve (6) and a first inlet fluid one-way valve (7) are arranged inside the pump output fluid channel (5), and the pump output fluid channel (5) is connected with a second output fluid one-way valve (21) of the pump base (23) through a pipeline.
3. An automatic reciprocating hydraulic oil recovery deep well pump according to claim 1 or 2, characterized in that the pump base (23) is provided with an oil channel which is penetrated up and down and communicated with the lower pump cavity (20), wherein a second liquid inlet check valve (22) is arranged.
4. An automatic reciprocating hydraulic production deep well pump according to claim 1, characterized in that the first piston (9), the second piston (16) and the third piston (19) are in close abutment with the inner wall of the hydraulic pump (1).
5. an automatic reciprocating hydraulic oil recovery deep well pump according to claim 1, characterized in that the upper part of the slide valve (12) is further provided with an upper hydraulic fluid channel (11) communicating with the hydraulic chamber (10), the upper hydraulic fluid channel (11) communicating with the slide valve bottom chamber (13).
6. An automatic reciprocating hydraulic production deep well pump according to claim 1, characterized in that the pump production fluid channel (5) is also in communication with the upper pump chamber (8) through the first production fluid non-return valve (6).
7. an automatic reciprocating hydraulic production deep well pump according to claim 1, characterized in that the control valve spool (15) can slide up and down by the pressure exerted by the first piston (9) and the second piston (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149197.3U CN209761692U (en) | 2019-01-29 | 2019-01-29 | Automatic reciprocating hydraulic oil production deep well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149197.3U CN209761692U (en) | 2019-01-29 | 2019-01-29 | Automatic reciprocating hydraulic oil production deep well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761692U true CN209761692U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920149197.3U Active CN209761692U (en) | 2019-01-29 | 2019-01-29 | Automatic reciprocating hydraulic oil production deep well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761692U (en) |
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2019
- 2019-01-29 CN CN201920149197.3U patent/CN209761692U/en active Active
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