CN203702099U - Automatic reversing locked hydraulic driving rod-less oil extraction device - Google Patents

Automatic reversing locked hydraulic driving rod-less oil extraction device Download PDF

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Publication number
CN203702099U
CN203702099U CN201320878880.3U CN201320878880U CN203702099U CN 203702099 U CN203702099 U CN 203702099U CN 201320878880 U CN201320878880 U CN 201320878880U CN 203702099 U CN203702099 U CN 203702099U
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hydraulic oil
hydraulic
oil pipe
assembly
plunger
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CN201320878880.3U
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曹卉
宋丕刘
任鹏昊
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SHANDONG WEIMA PUMP MANUFACTURING Co Ltd
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SHANDONG WEIMA PUMP MANUFACTURING Co Ltd
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Abstract

The utility model discloses an automatic reversing locked hydraulic driving rod-less oil extraction device. The oil extraction device comprises a pump cylinder assembly and a plunger assembly, wherein a hydraulic reciprocating push-pull device is arranged on the bottom of the plunger assembly; the hydraulic reciprocating push-pull device comprises a push-pull rod, a piston and a sealing cylinder body; the upper end of the side wall of the sealing cylinder body is connected to a bottom opening of the cylindrical wall of the pump cylinder assembly; a first hydraulic oil tube and a second hydraulic oil tube are respectively connected to the upper portion and the lower portion of the side wall of the sealing cylinder body; the upper ends of both the first hydraulic oil tube and the second hydraulic oil tube are connected with a hydraulic oil flow direction alternative reversing device arranged on a well opening; the hydraulic oil flow direction alternative reversing device is connected with a PLC control cabinet. According to the oil extraction device disclosed by the utility model, not only hydraulic rod-less oil extraction but also automatic control by the PLC control cabinet are realized, so that a bidirectional alternative high-pressure hydraulic oil return circuit is generated, a reciprocating linear motion is produced, and locked hydraulic automatic reversing is realized; the oil extraction device is simplified in structure and steady in performance; with use of the oil extraction device, surface equipment can be greatly reduced, and investment can be decreased.

Description

Automatic reverse confining liquid drives Rodless oil extraction device
Technical field
The utility model relates to a kind of improvement of Rodless oil extraction equipment, belongs to oil production equipment technical field, and specifically a kind of automatic reverse confining liquid drives Rodless oil extraction device.
Background technology
In petroleum industry, traditional oil production equipment is mainly rod pumping pump, thereby drives oil well pump to move back and forth by surface drive push-and-pull sucker rod, reaches and oil is given rise to ground object from shaft bottom.Described surface drive mainly contains beam pumping unit, belt type pumping unit and tower-type pumping unit, the maximum drawback that this surface drive exists is: in installation process, workload is large, floor space is also large, in sucker rod running afterwards, also there will be the problem of rod and tube partial-wear, after long-play, the accessory such as packing, belt there will be wearing and tearing, later maintenance expense is high, also can cause crude oil leakage, contaminated environment simultaneously.Known by retrieving, in order to overcome the deficiency of above technology, there is at present the multiple report about Rodless oil extraction device, comprise hydraulic piston pump, electric submersible pump, hydraulic rod pump etc., wherein: hydraulic piston pump complex structure, exchange system are placed in well, high jig frequency, short stroke, short sealing operation, poor reliability, and the separation equipment that working solution and production fluid mix in down-hole, working solution and production fluid need to be set up in ground, investment is large, cost is high, maintenance rate is high; That electric submersible pump feed flow is unstable, fault rate is high, cable is gone into the well is fragile, bad adaptability, life-span are short; Hydraulic rod pump be hydraulic piston pump to turn to control section to move on to from down-hole aboveground, thereby simplify the structure of down-hole part, adopt dual-pipe parallel oil circuit, hydraulic workstation is established on ground, down-hole pump is not established steering mechanism, its steering mechanism is by GCU control, but can not realize automatic-sealed conversion.Have not yet to see not only and realize taking highly pressurised liquid as power without bar oil pumping, and drive the report of Rodless oil extraction device by the liquid of high voltage startup liquid road, piston dead point automatic-sealed conversion.
Summary of the invention
The purpose of this utility model is to provide one not only to replace oil recovery bar back and forth to drive with hydraulic-driven, and automatically change, utilize ground PLC switch board automatically to control by piston dead point high voltage startup hydraulic circuit, make its high pressure liquid force feed that produces two way alternate reach the upper and lower end of piston, produce linear reciprocating motion, drive the automatic reverse confining liquid of plunger displacement pump linear reciprocating motion to drive Rodless oil extraction device.
In order to reach above object, the technical solution adopted in the present invention is: this automatic reverse confining liquid drives Rodless oil extraction device, comprise pump barrel assembly and assembly for plunger, on the diapire of assembly for plunger, be provided with assembly for plunger fuel feed hole, on the barrel of the bottom of pump barrel assembly, be provided with pump barrel assembly fuel feed hole, it is characterized in that: the bottom of described assembly for plunger is provided with the hydraulic reciprocating push-pull device at fixed of assembly for plunger, described hydraulic reciprocating push-pull device at fixed, comprise pull bar, piston and sealed cylinder block, the upper end of pull bar is fixedly connected with assembly for plunger diapire middle part, the lower end of pull bar is fixedly connected with piston, piston is located in sealed cylinder block, the sidewall upper of sealed cylinder block is connected at the bottom of the barrel of pump barrel assembly on mouth, and be fixed as one, piston is separated into top hydraulic oil by the inner chamber of sealed cylinder block and advances chamber and bottom hydraulic oil to advance chamber, advance the top of chamber sidewall to access the first hydraulic oil pipe at top hydraulic oil, advance the bottom of chamber sidewall to access the second hydraulic oil pipe at bottom hydraulic oil, the upper end of the upper end of the first hydraulic oil pipe and the second hydraulic oil pipe all be arranged on hydraulic oil on well head and flow to alternately conversion equipment and be connected, hydraulic oil flows to alternately conversion equipment and is connected with PLC switch board by data transmission cable.
The utility model is also implemented by following measure: described hydraulic oil flows to alternately conversion equipment, comprise the first hydraulic oil pipe pressure switch, the first pressure meter, solenoid operated directional valve, the second hydraulic oil pipe pressure switch, the second pressure meter, hydraulic pump, overflow valve and sealing circulation fuel tank, the first hydraulic oil pipe pressure switch and the first pressure meter are connected on the pipeline of the first hydraulic oil pipe; The second hydraulic oil pipe pressure switch and the second pressure meter are connected on the pipeline of the second hydraulic oil pipe; The first hydraulic oil pipe is connected with solenoid operated directional valve with the second hydraulic oil pipe simultaneously; The efferent duct of hydraulic pump connects solenoid operated directional valve, the input pipe access sealing circulation fuel tank of hydraulic pump; On the efferent duct of hydraulic pump, also access sealing circulation fuel tank by overflow valve; Solenoid operated directional valve also accesses sealing circulation fuel tank by straight pipe; The first hydraulic oil pipe pressure switch is all connected with PLC switch board by corresponding wire with the second hydraulic oil pipe pressure switch, solenoid operated directional valve.
The beneficial effects of the utility model are: this automatic reverse confining liquid drives Rodless oil extraction device, not only replace oil recovery bar back and forth to drive with hydraulic-driven, and flow to and automatically change, utilize PLC switch board to realize control automatically by piston dead point high voltage startup hydraulic oil, make its high pressure liquid force feed that produces two way alternate reach the upper and lower part of piston, make it produce linear reciprocating motion, drive plunger displacement pump linear reciprocating motion, realize the automatic reverse of sealing hydraulic pressure, make its designs simplification, stable performance; And can significantly reduce equipment on the ground, reduce investment.
Brief description of the drawings
Fig. 1 is structure of the present utility model office cross-sectional schematic.
Fig. 2 is that hydraulic oil of the present utility model flows to alternately conversion equipment circuit theory schematic diagram.
In figure: 1, pump barrel assembly; 2, assembly for plunger; 3 assembly for plunger fuel feed holes; 4, pump barrel assembly fuel feed hole; 5, pull bar; 6, piston; 7, sealed cylinder block; 8, top hydraulic oil advances chamber; 9, bottom hydraulic oil advances chamber; 10, the first hydraulic oil pipe; 11, the second hydraulic oil pipe; 12, hydraulic oil flows to alternately conversion equipment; 121, the first hydraulic oil pipe pressure switch; 122, the first pressure meter; 123, solenoid operated directional valve; 124, the second hydraulic oil pipe pressure switch; 125, the second pressure meter; 126, hydraulic pump; 127, overflow valve; 128, sealing circulation fuel tank; 13, PLC switch board.
Detailed description of the invention
Make the utility model with reference to Fig. 1, Fig. 2.This automatic reverse confining liquid drives Rodless oil extraction device, comprise pump barrel assembly 1 and assembly for plunger 2, on the diapire of assembly for plunger 2, be provided with assembly for plunger fuel feed hole 3, on the barrel of the bottom of pump barrel assembly 1, be provided with pump barrel assembly fuel feed hole 4, in the time that assembly for plunger 2 moves up in pump barrel assembly 1, in the chamber of the pump barrel assembly 1 of assembly for plunger 2 bottoms, form negative pressure, in the negative pressure cavity of oil in well through the pump barrel assembly 1 of pump barrel assembly fuel feed hole 4 suction assembly for plunger 2 bottoms, in the time that assembly for plunger 2 moves down in pump barrel assembly 1, pump barrel assembly fuel feed hole 4 is by shutoff, oil in the pump barrel assembly 1 of assembly for plunger 2 bottoms is pressed in assembly for plunger 2 from assembly for plunger fuel feed hole 3, and be lifted into pump barrel assembly 1, like this, continuous upper of assembly for plunger 2, lower reciprocating motion, downhole oil can be lifted to ground, it is characterized in that: the bottom of described assembly for plunger 2 is provided with the hydraulic reciprocating push-pull device at fixed of assembly for plunger 2, described hydraulic reciprocating push-pull device at fixed, comprise pull bar 5, piston 6 and sealed cylinder block 7, the upper end of pull bar 5 is fixedly connected with assembly for plunger 2 diapire middle parts, the lower end of pull bar 5 is fixedly connected with piston 6, piston 6 is located in sealed cylinder block 7, the sidewall upper of sealed cylinder block 7 is connected at the bottom of the barrel of pump barrel assembly 1 on mouth, and be fixed as one, piston 6 is separated into top hydraulic oil by the inner chamber of sealed cylinder block 7 and advances chamber 8 and bottom hydraulic oil to advance chamber 9, advance the top of chamber 8 sidewalls to access the first hydraulic oil pipe 10 at top hydraulic oil, advance the bottom of chamber 9 sidewalls to access the second hydraulic oil pipe 11 at bottom hydraulic oil, the upper end of the upper end of the first hydraulic oil pipe 10 and the second hydraulic oil pipe 11 all be arranged on hydraulic oil on well head and flow to alternately conversion equipment 12 and be connected, hydraulic oil flows to alternately conversion equipment 12 and is connected with PLC switch board 13 by data transmission cable.
As improvement of the present utility model: described hydraulic oil flows to alternately conversion equipment 12, comprise that the first hydraulic oil pipe pressure switch 121, the first pressure meter 122, solenoid operated directional valve 123, the second hydraulic oil pipe pressure switch 124, the second pressure meter 125, hydraulic pump 126, overflow valve 127 and sealing circulation fuel tank 128, the first hydraulic oil pipe pressure switches 121 and the first pressure meter 122 are connected on the pipeline of the first hydraulic oil pipe 10; The second hydraulic oil pipe pressure switch 124 and the second pressure meter 125 are connected on the pipeline of the second hydraulic oil pipe 11; The first hydraulic oil pipe 10 is connected with solenoid operated directional valve 123 with the second hydraulic oil pipe 11 simultaneously; The efferent duct of hydraulic pump 126 connects solenoid operated directional valve 123, the input pipe access sealing circulation fuel tank 128 of hydraulic pump 126; On the efferent duct of hydraulic pump 126, also seal circulation fuel tanks 128 by overflow valve 127 accesses; Solenoid operated directional valve 123 also accesses sealing circulation fuel tank 128 by straight pipe; The first hydraulic oil pipe pressure switch 121 is all connected with PLC switch board 13 by corresponding wire with the second hydraulic oil pipe pressure switch 124, solenoid operated directional valve 123.
In running, in the time of primer fluid press pump 126, the left position of solenoid operated directional valve 123 obtains electric, electromagnetic valve switch sheet is in left position, hydraulic oil pumps into top hydraulic oil by the first hydraulic oil pipe 10 and advances in chamber 8, promotes piston 6 and moves down, and drives the pull bar 5 of its connection to pull the assembly for plunger 2 being connected downwards, now, bottom hydraulic oil advances the hydraulic oil in chamber 9 to return to sealing circulation fuel tank 128 because being squeezed along the second hydraulic oil pipe 11; In the time that piston 6 arrives bottom dead centre, the pressure in the first hydraulic oil pipe 10 all can sharply rise, and in the time reaching the setting pressure of the first pressure meter 122, the first hydraulic oil pipe pressure switch 121 provides the signal of telecommunication, is transferred to PLC switch board 13; PLC switch board 13 receives the signal of telecommunication, send instruction to solenoid operated directional valve 123 after treatment, make solenoid operated directional valve 123 left side power-off, right side obtains electric, the switch plate of solenoid operated directional valve 123 is in right position, high pressure liquid force feed pumps into bottom hydraulic oil by the second hydraulic oil pipe pressure switch 124, second hydraulic oil pipe 11 of flowing through and advances in chamber 9, piston 6 moves up, drive the pull bar 6 connecting upwards to promote assembly for plunger 2, now, top hydraulic oil advances the oil in chamber 8 to return to sealing circulation fuel tank 128 because being squeezed along the first hydraulic oil pipe 10; In the time that piston 5 arrives top dead-centre, now the pressure in the second hydraulic oil pipe 11 can sharply rise, in the time reaching the setting pressure of the second hydraulic oil pipe pressure switch 124, the second hydraulic oil pipe pressure switch 124 provides the signal of telecommunication, be transferred to PLC switch board 13, PLC switch board 13 is controlled and is made solenoid operated directional valve 123 right side power-off, and left side obtains electric, and the switch plate of solenoid operated directional valve 123 is again in left position.With this reciprocation cycle, from realizing automatic-sealed conversion oil circuit Rodless oil extraction.
Use when the utility model, by pump barrel assembly 1, assembly for plunger 2 and hydraulic reciprocating push-pull device at fixed thereof, be arranged in corresponding oil well oil-pumping tubing, hydraulic oil is flowed to alternately conversion equipment 12 and PLC switch board 13 and be located on wellhead ground.

Claims (2)

1. automatic reverse confining liquid drives Rodless oil extraction device, comprise pump barrel assembly (1) and assembly for plunger (2), on the diapire of assembly for plunger (2), be provided with assembly for plunger fuel feed hole (3), on the bottom barrel of pump barrel assembly (1), be provided with pump barrel assembly fuel feed hole (4), it is characterized in that: the bottom of described assembly for plunger (2) is provided with the hydraulic reciprocating push-pull device at fixed of assembly for plunger (2), described hydraulic reciprocating push-pull device at fixed, comprise pull bar (5), piston (6) and sealed cylinder block (7), the upper end of pull bar (5) is fixedly connected with assembly for plunger (2) diapire middle part, the lower end of pull bar (5) is fixedly connected with piston (6), piston (6) is located in sealed cylinder block (7), the sidewall upper of sealed cylinder block (7) is connected at the bottom of the barrel of pump barrel assembly (1) on mouth, and be fixed as one, piston (6) is separated into top hydraulic oil by the inner chamber of sealed cylinder block (7) and advances chamber (8) and bottom hydraulic oil to advance chamber (9), advance the top of chamber (8) sidewall to access the first hydraulic oil pipe (10) at top hydraulic oil, advance the bottom of chamber (9) sidewall to access the second hydraulic oil pipe (11) at bottom hydraulic oil, the upper end of the upper end of the first hydraulic oil pipe (10) and the second hydraulic oil pipe (11) all be arranged on hydraulic oil on well head and flow to alternately conversion equipment (12) and be connected, hydraulic oil flows to alternately conversion equipment (12) and is connected with PLC switch board (13) by data transmission cable.
2. automatic reverse confining liquid according to claim 1 drives Rodless oil extraction device, it is characterized in that: described hydraulic oil flows to alternately conversion equipment (12), comprise the first hydraulic oil pipe pressure switch (121), the first pressure meter (122), solenoid operated directional valve (123), the second hydraulic oil pipe pressure switch (124), the second pressure meter (125), hydraulic pump (126), overflow valve (127) and sealing circulation fuel tank (128), the first hydraulic oil pipe pressure switch (121) and the first pressure meter (122) are connected on the pipeline of the first hydraulic oil pipe (10), the second hydraulic oil pipe pressure switch (124) and the second pressure meter (125) are connected on the pipeline of the second hydraulic oil pipe (11), the first hydraulic oil pipe (10) is connected with solenoid operated directional valve (123) with the second hydraulic oil pipe (11) simultaneously, the efferent duct of hydraulic pump (126) connects solenoid operated directional valve (123), the input pipe access sealing circulation fuel tank (128) of hydraulic pump (126), on the efferent duct of hydraulic pump (126), also seal circulation fuel tank (128) by overflow valve (127) access, solenoid operated directional valve (123) also accesses sealing circulation fuel tank (128) by straight pipe, the first hydraulic oil pipe pressure switch (121) is all connected with PLC switch board (13) by corresponding wire with the second hydraulic oil pipe pressure switch (124), solenoid operated directional valve (123).
CN201320878880.3U 2013-12-30 2013-12-30 Automatic reversing locked hydraulic driving rod-less oil extraction device Active CN203702099U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320878880.3U CN203702099U (en) 2013-12-30 2013-12-30 Automatic reversing locked hydraulic driving rod-less oil extraction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320878880.3U CN203702099U (en) 2013-12-30 2013-12-30 Automatic reversing locked hydraulic driving rod-less oil extraction device

Publications (1)

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CN203702099U true CN203702099U (en) 2014-07-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104747139A (en) * 2015-03-31 2015-07-01 王翀 Hydraulic driven type oil extraction system
CN105649963A (en) * 2014-11-24 2016-06-08 卞康群 Closed hydraulically driven rodless oil recovery device capable of automatically reversing
CN110094187A (en) * 2018-01-29 2019-08-06 中国石油化工股份有限公司 One kind lifting water pumping gas production tubing string and system from energy ladder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649963A (en) * 2014-11-24 2016-06-08 卞康群 Closed hydraulically driven rodless oil recovery device capable of automatically reversing
CN104747139A (en) * 2015-03-31 2015-07-01 王翀 Hydraulic driven type oil extraction system
CN110094187A (en) * 2018-01-29 2019-08-06 中国石油化工股份有限公司 One kind lifting water pumping gas production tubing string and system from energy ladder

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