CN105156074B - Using many well pilot production equipment of hydraulic wireline winch - Google Patents

Using many well pilot production equipment of hydraulic wireline winch Download PDF

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Publication number
CN105156074B
CN105156074B CN201510433607.3A CN201510433607A CN105156074B CN 105156074 B CN105156074 B CN 105156074B CN 201510433607 A CN201510433607 A CN 201510433607A CN 105156074 B CN105156074 B CN 105156074B
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hydraulic
oil
pilot production
pump
valve
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CN105156074A (en
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周华
赵鹏宇
陈英龙
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The invention discloses a kind of many well pilot production equipment of use hydraulic wireline winch.The flexible hydraulic cylinder of oil pumping support is slided in oil pumping support including two-stage, driving;Also include multiple structure identical pilot production units and power unit;Variable pump and overflow valve in power unit, controlling pump, hydraulic oil container are connected by respective three for one group of multigroup quick-release connector with each pilot production unit respectively, form constant pressure network.Constant pressure network provides high-voltage oil liquid for each pilot production unit, and internal hydraulic system pressure and flow are adjusted by respective hydraulic transformer and unloading electromagnetic valve, are independently adjusted stroke jig frequency.Hydraulic transformer and low speed high torque hydraulic motor are used as main driving element, high-speed hydraulic pump/motor and accumulator are used as hydraulic counterweight, low speed high torque hydraulic motor and high-speed hydraulic pump/motor drive winch to rotate jointly, drive sucker rod to move up and down, and complete production testing operation.The features such as present invention has big load-carrying ability, stroke jig frequency step-less adjustment, good adaptability and efficiency high.

Description

Using many well pilot production equipment of hydraulic wireline winch
Technical field
The present invention relates to a kind of pilot production equipment, one kind more particularly, to oil field sucker rod pump pilot production ground driving equipment is used Many well pilot production equipment of hydraulic wireline winch.
Background technology
Pilot production plays an important roll as one of key link of oil exploitation process for oil field development.Pilot production is pair Oil field carries out the production of small-scale or short time.The purpose of pilot production is that verifying certain region whether there is industrialness gas stream, tests Demonstrate,prove the hydrocarbon-bearing area of reservoir and the oil productive capacity of oils water boundary and oil reservoir, obtain each zonal testing data and fluid properties, It is that CALCULATING OILFIELD reserves and establishment development plan provide foundation.
Stage, China rarely had the special equipment for pilot production, realized production testing operation using oil pumper mostly.Beam type is taken out Oil machine is pumping unit conventional at present, but because its is bulky, stroke jig frequency modulability is poor, is not particularly suited for pilot production work Condition.Existing a small number of oil fields are used without beam pumping unit, and this kind of stroke jig frequency used for oil extractor when production testing operation is adjustable, but are generally Fixed structure, quality, volume are larger, not readily transportable.And prior art majority is only applicable to single oil well oil-pumping operation, or There is particular requirement to oil well quantity and layout, adaptability for working condition is poor.It is electro-hydraulic using many well pilot production equipment utilizations of hydraulic wireline winch Technology, realizes the advantages of stroke jig frequency adjustable range is big, load adaptation is good, complete machine controllability is strong.Meanwhile, pilot production integration of equipments Degree is high, and volume and weight is small, is installed on skid base, convenient transportation, can carry out production testing operation to multiple oil wells simultaneously.
By the retrieval discovery to prior art, Authorization Notice No. discloses for CN101603415B Chinese invention patent A kind of multiple well pumping unit, it is moved using driver element drive shaft, is driven by steel wire rope some to sucker rod up and down motion Complete oil pumping operation.But the oil pumper is only applicable to even number well head, every a pair of oil pumping execution unit is mutually 180 ° and is symmetrical arranged In rotating shaft both sides, the stroke jig frequency of all oil well oil-pumping processes is identical and stroke can not be adjusted.
Authorization Notice No. discloses a kind of hybrid power oil pumper for CN103742490A Chinese invention patent, and it is utilized Variable-frequency motor is used as hydraulic counterweight as main driving element by the use of hydraulic pump/motor connection accumulator.But the oil pumper is only applicable In the oil pumping operation of a well head, it is impossible to while carrying out oil pumping operation to multiple oil wells.
The content of the invention
For above-mentioned deficiency present in background technology field, hydraulic wireline winch is used it is an object of the invention to provide one kind Many well pilot production equipment, available for many well production testing operations, with efficiency high, stroke jig frequency is adjustable, load adaptation is good, oil well it Between without influencing each other, simple in construction, integrated level is high, the advantages of be readily transported.
In order to achieve the above object, the technical scheme is that:
The present invention includes the oil pumping support of two-stage, and the flexible hydraulic cylinder of oil pumping support is slided in driving;Also include multiple structures Identical pilot production unit and power unit;Variable pump and overflow valve in power unit, controlling pump, the oil circuit of hydraulic oil container lead to respectively Cross multigroup quick-release connector that respective three are one group to be connected with respective pilot production unit, form constant pressure network.
The power unit:Including power unit programmable logic controller (PLC), control pump motor, controlling pump, variable pump electricity Machine, variable pump, overflow valve, hydraulic oil container and three are one group of multigroup quick-release connector;Variable pump motor connects variable pump, variable pump High pressure oil export and overflow valve oil inlet are connected with one end of each group of the first quick-release connector, the oil circuit of hydraulic oil container with it is each One end connection of 3rd quick-release connector of group;Control pump motor is connected with controlling pump, controlling pump high pressure oil export and each group One end connection of second quick-release connector;Power unit programmable logic controller (PLC) is all the way electrically connected with variable pump.
The multiple structure identical pilot production unit:Include driving and slide the flexible hydraulic cylinder of oil pumping support, support oil Cylinder, two three position four-way directional control valves, pilot production unit programmable logic controller (PLC), hydraulic transformer, two-bit triplet reversal valve, low speed High-torque hydraulic motor, speed probe, winch, stop valve, accumulator, high-speed hydraulic pump/motor and unloading electromagnetic valve.
The P mouths and liquid of the other end of the first quick-release connector in each power unit and two three position four-way directional control valves The high pressure hydraulic fluid port connection of pressure transformer, the T mouths of two three position four-way directional control valves connect liquid by the other end of the 3rd quick-release connector Case is pressed oil, A, B mouth of the first three position four-way directional control valve connect the rod chamber that the flexible hydraulic cylinder of oil pumping support is slided in driving respectively And rodless cavity, the rod chamber and rodless cavity of A, B mouth difference connecting bracket oil cylinder of the second three position four-way directional control valve;Hydraulic transformer Two pressure oil exports connect two hydraulic fluid ports of low speed high torque hydraulic motor and A, B mouth of two-bit triplet reversal valve, liquid respectively The oil inlet and oil return opening of the stroking mechanism of pressure transformer pass through the other end and the 3rd quick-release connector of the second quick-release connector respectively Other end connection controlling pump high pressure oil export and hydraulic oil container;One end of low speed high torque hydraulic motor connection winch, at a high speed Hydraulic pump/motor is connected respectively by the other end of planetary reducer connection winch, high-speed hydraulic pump/motor high pressure hydraulic fluid port Unloading electromagnetic valve, accumulator is connected by stop valve, and low pressure hydraulic fluid port connects hydraulic oil container by the other end of the 3rd quick-release connector; Speed probe is arranged on winch, and pilot production unit programmable logic controller (PLC) is commutated by two 3-position 4-ways of cable connection Valve, hydraulic transformer stroking mechanism magnetic valve, two-bit triplet reversal valve, speed probe and unloading electromagnetic valve, each pilot production list First programmable logic controller (PLC) is connected by respective cable with power unit programmable logic controller (PLC);Support oil cylinder bottom is hinged On pilot production unit skid base, piston rod top is hinged on oil pumping frame bottom, and steel wire rope one ends wound is another on winch The pulley across the sliding support top of oil pumping support is held to connect polished rod eye.
Control pump motor, controlling pump, variable pump motor, variable pump, hydraulic oil container, diesel-driven generator in power unit and Switch board is arranged on power unit skid base.
Oil pumping support, winch, hydraulic accumulator and control cabinet in pilot production unit are arranged on pilot production unit skid base.
The quick-release connector is formed by the oil-out concatenation of two check valves, and a check valve oil inlet is connected to power list In member, another check valve oil inlet is connected in pilot production unit.
The pilot production unit programmable logic controller (PLC), two three position four-way directional control valves and two-bit triplet reversal valve are arranged on In control cabinet.
Winch in the pilot production unit is double shaft winches.
The invention has the advantages that:
Constant pressure network of the present invention provides high-voltage oil liquid for each pilot production unit, each pilot production unit internal hydraulic system Pressure and flow are adjusted by respective hydraulic transformer and unloading electromagnetic valve, so that stroke jig frequency is independently adjusted, not by other The influence of pilot production unit.Using hydraulic transformer and low speed high torque hydraulic motor as main driving element, using high-speed hydraulic Pump/motor and accumulator drive winch to turn jointly as hydraulic counterweight, low speed high torque hydraulic motor and high-speed hydraulic pump/motor It is dynamic, drive sucker rod to move up and down by steel wire rope, complete production testing operation.The present invention can carry out pilot production work to multiple oil wells simultaneously Industry, with load-carrying ability is big, compact conformation, stroke jig frequency step-less adjustment, good adaptability and the features such as efficiency high.
Brief description of the drawings
Fig. 1 is the structure principle chart of the present invention.
Fig. 2 is structural front view of the pilot production unit of the present invention in production testing operation.
Fig. 3 is structure right view of the pilot production unit of the present invention in production testing operation.
Fig. 4 is structural front view of the pilot production unit of the present invention in transport.
Fig. 5 is the structural front view of power unit of the present invention.
Top view when Fig. 6 is production testing operation of the present invention.
In figure:1st, the flexible hydraulic cylinder of oil pumping support is slided in driving, and 2, three position four-way directional control valve, 3, support oil cylinder, 4, examination Adopt unit programmable logic controller (PLC), 5, hydraulic transformer, 6, two-bit triplet reversal valve, 7, low speed high torque hydraulic motor, 8, Speed probe, 9, winch, 10, stop valve, 11, accumulator, 12, high-speed hydraulic pump/motor, 13, unloading electromagnetic valve, 14, fast Changing-over head, 15, power unit programmable logic controller (PLC), 16, control pump motor, 17, controlling pump, 18, variable pump motor, 19, Variable pump, 20, overflow valve, 21, hydraulic oil container, 22, pulley, 23, steel wire rope, 24, oil pumping support, 25, polished rod eye, 26, pilot production Unit skid base, 27, control cabinet, 28, diesel-driven generator, 29, switch board, 30, power unit skid base.
Embodiment
Below in conjunction with drawings and embodiments, the present invention is further illustrated.
As shown in figure 1, the present invention includes the oil pumping support 24 of two-stage, the flexible hydraulic cylinder 1 of oil pumping support is slided in driving;Its It is characterised by:Also include multiple structure identical pilot production unit A and power unit B;Variable pump 19 and overflow valve in power unit B 20, controlling pump 17, the oil circuit of hydraulic oil container 21 passes through respective three multigroup quick-release connectors for one group and respective examination respectively Unit A connections are adopted, constant pressure network is formed.Constant pressure network provides high-voltage oil liquid for each pilot production unit, each pilot production unit Internal hydraulic system pressure and flow are adjusted by respective hydraulic transformer 5 and unloading electromagnetic valve 13, so as to be independently adjusted punching Cheng Chongci, is not influenceed by other pilot production units.
As shown in figure 1, the power unit B:Including power unit programmable logic controller (PLC) 15, control pump motor 16, Controlling pump 17, variable pump motor 18, variable pump 19, overflow valve 20, hydraulic oil container 21 and three are one group of multigroup quick-release connector 14;Variable pump motor 18 connects variable pump 19, the high pressure oil export of variable pump 19 and the oil inlet of overflow valve 20 and the first of each group fast One end connection of changing-over head, the oil circuit of hydraulic oil container 21 is connected with one end of each group of the 3rd quick-release connector;Control pump motor 16 are connected with controlling pump 17, and the high pressure oil export of controlling pump 17 is connected with one end of each group of the second quick-release connector;Power unit Programmable logic controller (PLC) 15 is all the way electrically connected with variable pump 19.
As shown in figs. 1 to 6, the multiple structure identical pilot production unit A:Include driving and slide what oil pumping support stretched Hydraulic cylinder 1, support oil cylinder 3, two three position four-way directional control valves 2, pilot production unit programmable logic controller (PLC) 4, hydraulic transformer 5, Two-bit triplet reversal valve 6, low speed high torque hydraulic motor 7, speed probe 8, winch 9, stop valve 10, accumulator 11, high speed Hydraulic pump/motor 12 and unloading electromagnetic valve 13.
The P mouths of the other end of the first quick-release connector in each power unit B and two three position four-way directional control valves 2 and The high pressure hydraulic fluid port connection of hydraulic transformer 5, the T mouths of two three position four-way directional control valves 2 are connected by the other end of the 3rd quick-release connector Hydraulic oil container 21 is connect, A, B mouth of the first three position four-way directional control valve 2 connect driving and slides the flexible hydraulic cylinder 1 of oil pumping support respectively Rod chamber and rodless cavity, the rod chamber and rodless cavity of A, B mouth of the second three position four-way directional control valve 2 connecting bracket oil cylinder 3 respectively; Two pressure oil exports of hydraulic transformer 5 connect two hydraulic fluid ports and the two-bit triplet commutation of low speed high torque hydraulic motor 7 respectively A, B mouth of valve 6, the oil inlet and oil return opening of the stroking mechanism of hydraulic transformer 5 pass through the other end of the second quick-release connector respectively The high pressure oil export of controlling pump 17 and hydraulic oil container 21 are connected with the other end of the 3rd quick-release connector;Low speed high torque hydraulic motor 7 One end of connection winch 9, high-speed hydraulic pump/motor 12 passes through the other end of built-in planetary reducer connection winch 9, height The fast high pressure hydraulic fluid port of hydraulic pump/motor 12 connects unloading electromagnetic valve 12 respectively, and accumulator 11, low pressure hydraulic fluid port are connected by stop valve 10 Hydraulic oil container 21 is connected by the other end of the 3rd quick-release connector;Speed probe 8 is arranged on winch 9, and pilot production unit can be compiled Journey logic controller 4 by two three position four-way directional control valves 2 of cable connection, the stroking mechanism magnetic valve of hydraulic transformer 5, two three Logical reversal valve 6, speed probe 8 and unloading electromagnetic valve 13, each pilot production unit programmable logic controller (PLC) 4 pass through respective cable It is connected with power unit programmable logic controller (PLC) 15;The bottom of support oil cylinder 3 is hinged on pilot production unit skid base 26, piston Bar top is hinged on oil pumping support 24 bottom, and the one ends wound of steel wire rope 23 is on winch 9, cunning of the other end across oil pumping support 24 The connection polished rod eye 25 of pulley 22 of dynamic cantilever tip.
As shown in figure 5, control pump motor 16, controlling pump 17, variable pump motor 18, variable pump 19, liquid in power unit B Case 21, diesel-driven generator 28 and switch board 29 is pressed oil to be arranged on power unit skid base 30.
As shown in figure 4, the oil pumping support 24, winch 9, hydraulic accumulator 11 and control cabinet 27 in pilot production unit A are arranged on On pilot production unit skid base 26.
As shown in figure 1, the quick-release connector is formed by the oil-out concatenation of two check valves, a check valve oil inlet connects It is connected in power unit B, another check valve oil inlet is connected in pilot production unit A.
The pilot production unit programmable logic controller (PLC) 4, two three position four-way directional control valves and two-bit triplet reversal valve 6 are installed In control cabinet 27.Accumulator 11 and high-speed hydraulic pump/motor 12 form counterweight forces on winch.
Winch 9 in the pilot production unit A is double shaft winches.
As shown in figure 4, all elements of equipment are integrated on skid base, it can need not disassemble and directly be carried by lorry;Pilot production During operation, the ground that skid base need to be only fixed on by well head by fot screw, without building ground.
The course of work of the present invention is as follows:
First, prepare before pilot production
Carry out before production testing operation, multiple pilot production units (being 5 in Fig. 6) are placed in each well head, will by fot screw Pilot production unit skid base 26 is fixed on ground, and the quick-release connector of each pilot production unit quick-release connector corresponding with power unit is connected Connect.Open diesel-driven generator 28 or be connected equipment with power supply, the synchronous axial system of variable pump 19, power are driven by variable pump motor 18 Unit programmable logic controller (PLC) 15 is to the stroking mechanism output control signal of variable pump 19 with the output stream of regulated variable pump 19 Amount.The second three position four-way directional control valve of each pilot production unit is placed in right position successively, variable pump 19 fills to the rodless cavity of support oil cylinder 3 Liquid, the piston rod of support oil cylinder 3, which stretches out and supports oil pumping support 24, to be holded up.After oil pumping support 24 is holded up, the second 3-position 4-way is changed Middle position is placed in valve, and the first three position four-way directional control valve of each pilot production unit is placed in right position successively, and variable pump 19 is to driving The flexible rodless cavity topping up of hydraulic cylinder 1 of oil pumping support is slided, the flexible piston rod of hydraulic cylinder 1 of driving sliding support stretches out and driven Oil pumping support is slided to stretch out.After slip oil pumping support is fully extended, the first three position four-way directional control valve is placed in middle position.
2nd, sucker rod is descending:
Pilot production unit programmable logic controller (PLC) 4 is according to the running parameter and actual condition being manually entered, output control letter Number give hydraulic transformer 5 and two-bit triplet reversal valve 6, rotate low speed high torque hydraulic motor 7.The output of hydraulic transformer 5 Flow is according to trapezoidal planning curvilinear motion, it is to avoid hydraulic shock during commutation, while make sucker rod easy motion.When pilot production list When first programmable logic controller (PLC) 4 goes out sucker rod by the signal of change of speed probe 8 and has reached up predetermined stroke, examination Adopt unit programmable logic controller (PLC) 4 and reduce flow signal to the output of hydraulic transformer 5, make the band of low speed high torque hydraulic motor 7 Dynamic winch 9 slows down.When it is zero that speed probe 8, which detects the rotating speed of winch 9, the switching position of two-bit triplet reversal valve 6 increases simultaneously The output flow of liquid feeding pressure transformer 5, makes low speed high torque hydraulic motor 7 drive winch 9 to accelerate to turn to setting speed value, twists Car 9 drives sucker rod to decline by steel wire rope 23.Sucker rod gravity is acted on winch 9 by steel wire rope 23, with the big torsion of low speed Driving high-speed hydraulic pump/motor 12 is rotated square hydraulic motor 7 jointly, and high-voltage oil liquid is filled with into accumulator 11, so that by motor Do work and sucker rod gravitional force is reclaimed, reduce installed power.
3rd, sucker rod is up:
When pilot production unit programmable logic controller (PLC) 4 is gone out by the signal of change of speed probe 8 under sucker rod reached During row predetermined stroke, pilot production unit programmable logic controller (PLC) 4 reduces flow signal to the output of hydraulic transformer 5, makes low speed big Torque hydraulic motor 7 drives winch 9 to slow down.When it is zero that speed probe 8, which detects the rotating speed of winch 9, two-bit triplet reversal valve 6 Switching position, while increasing the output flow of hydraulic transformer 5, makes low speed high torque hydraulic motor 7 reversely accelerate to setting and turns Speed value;High-voltage oil liquid driving high-speed hydraulic pump/motor 12 in accumulator 11 is rotated backward, the He of low speed high torque hydraulic motor 7 Driving winch 9 drives polished rod eye 25 to rise to high-speed hydraulic pump/motor 12 by steel wire rope 23 jointly, so that drive connection is in hanging rope The sucker rod of the lower section of device 25 rises.Sucker rod rises the oil exploitation in oil well to ground, so as to complete one action circulation. High-speed hydraulic pump/motor 12 and accumulator 11 collectively constitute hydraulic counterweight.Repeating second and third step makes sucker rod constantly transport up and down It is dynamic, until production testing operation is completed.
4th, Postharvest handling is tried
After production testing operation terminates, each three position four-way directional control valve of pilot production unit first is placed in left position successively, variable pump 19 leads to Cross the first three position four-way directional control valve and slide the flexible rod chamber topping up of hydraulic cylinder 1 of oil pumping support to driving, driving is slided oil pumping The flexible piston rod of hydraulic cylinder 1 of support drives oil pumping support to retract.After oil pumping support retraction is slided, the first 3-position 4-way is changed Middle position is placed in valve, while each three position four-way directional control valve of pilot production unit second is placed in into left position successively, variable pump 19 passes through second Three position four-way directional control valve is to the rod chamber topping up of support oil cylinder 3, and the piston rod of support oil cylinder 3 drives oil pumping support 24 to fall down.Oil pumping branch After frame 24 falls down, the second three position four-way directional control valve is placed in middle position, and closes diesel-driven generator 28 or cuts off externally fed power supply, Can be by pilot production equipment whole Transporting to subsequent work place.

Claims (7)

1. a kind of many well pilot production equipment of use hydraulic wireline winch, include the oil pumping support of two-stage(24), driving slip oil pumping support Flexible hydraulic cylinder(1);It is characterized in that:Also include multiple structure identical pilot production units(A)And power unit(B);Power Unit(B)Middle variable pump(19)And overflow valve(20), controlling pump(17), hydraulic oil container(21)Oil circuit pass through respective three respectively Individual is one group of multigroup quick-release connector and respective pilot production unit(A)Connection, forms constant pressure network;
The power unit(B), including power unit programmable logic controller (PLC)(15), control pump motor(16), controlling pump (17), variable pump motor(18), variable pump(19), overflow valve(20), hydraulic oil container(21)With multigroup quick change that three are one group Joint;Variable pump motor(18)Connect variable pump(19), variable pump(19)High pressure oil export and overflow valve(20)Oil inlet with it is each One end connection of first quick-release connector of group, hydraulic oil container(21)One end of oil circuit and each group of the 3rd quick-release connector connect Connect;Control pump motor(16)With controlling pump(17)Connection, controlling pump(17)High pressure oil export and each group of the second quick-release connector One end connection;Power unit programmable logic controller (PLC)(15)All the way with variable pump(19)Electrical connection.
2. a kind of many well pilot production equipment of use hydraulic wireline winch according to claim 1, it is characterised in that:It is the multiple Structure identical pilot production unit(A), slide the flexible hydraulic cylinder of oil pumping support including driving(1), support oil cylinder(3), two Three position four-way directional control valve, pilot production unit programmable logic controller (PLC)(4), hydraulic transformer(5), two-bit triplet reversal valve(6), it is low Fast high-torque hydraulic motor(7), speed probe(8), winch(9), stop valve(10), accumulator(11), high velocity liquid press pump/horse Reach(12)And unloading electromagnetic valve(13);
In each power unit(B)In the first quick-release connector the other end and the P mouths and liquid of two three position four-way directional control valves Pressure transformer(5)The connection of high pressure hydraulic fluid port, T mouths of two three position four-way directional control valves pass through the other end connection of the 3rd quick-release connector Hydraulic oil container(21), A, B mouth of the first three position four-way directional control valve, which connect to drive respectively, slides the flexible hydraulic cylinder of oil pumping support(1) Rod chamber and rodless cavity, A, B mouth of the second three position four-way directional control valve connecting bracket oil cylinder respectively(3)Rod chamber and without bar Chamber;Hydraulic transformer(5)Two pressure oil exports connect low speed high torque hydraulic motor respectively(7)Two hydraulic fluid ports and two three Logical reversal valve(6)A, B mouth, hydraulic transformer(5)Stroking mechanism oil inlet and oil return opening pass through the second fast changing-over respectively The other end of head and the other end connection controlling pump of the 3rd quick-release connector(17)High pressure oil export and hydraulic oil container(21);Low speed is big Torque hydraulic motor(7)Connection winch(9)One end, high-speed hydraulic pump/motor(12)Connected and twisted by planetary reducer Car(9)The other end, high-speed hydraulic pump/motor(12)High pressure hydraulic fluid port connects unloading electromagnetic valve respectively(13), pass through stop valve (10)Connect accumulator(11), the other end connection hydraulic oil container that low pressure hydraulic fluid port passes through the 3rd quick-release connector(21);Revolution speed sensing Device(8)Installed in winch(9)On, pilot production unit programmable logic controller (PLC)(4)Commutated by two 3-position 4-ways of cable connection Valve, hydraulic transformer(5)Stroking mechanism magnetic valve, two-bit triplet reversal valve(6), speed probe(8)And unloading electromagnetic valve (13), each pilot production unit programmable logic controller (PLC) passes through respective cable and power unit programmable logic controller (PLC)(15)Even Connect;Support oil cylinder(3)Bottom is hinged on pilot production unit skid base(26)On, piston rod top is hinged on oil pumping support(24)Bottom Portion, steel wire rope(23)One ends wound is in winch(9)On, the other end across oil pumping support(24)Sliding support top pulley (22)Connect polished rod eye(25).
3. a kind of many well pilot production equipment of use hydraulic wireline winch according to claim 2, it is characterised in that:Power unit (B)In control pump motor(16), controlling pump(17), variable pump motor(18), variable pump(19), hydraulic oil container(21), diesel oil Generator(28)And switch board(29)Installed in power unit skid base(30)On.
4. a kind of many well pilot production equipment of use hydraulic wireline winch according to claim 3, it is characterised in that:Pilot production unit (A)In oil pumping support(24), winch(9), hydraulic accumulator(11)And control cabinet(27)Installed in pilot production unit skid base (26)On.
5. a kind of many well pilot production equipment of use hydraulic wireline winch according to claim 1, it is characterised in that:The fast changing-over Head is formed by the oil-out concatenation of two check valves, and a check valve oil inlet is connected to power unit(B)In, another is unidirectional Valve oil inlet is connected to pilot production unit(A)In.
6. a kind of many well pilot production equipment of use hydraulic wireline winch according to claim 3, it is characterised in that:The pilot production list First programmable logic controller (PLC)(4), two three position four-way directional control valve and two-bit triplet reversal valves(6)Installed in control cabinet(27) It is interior.
7. a kind of many well pilot production equipment of use hydraulic wireline winch according to claim 3, it is characterised in that:The pilot production list Member(A)In winch(9)For double shaft winches.
CN201510433607.3A 2015-07-22 2015-07-22 Using many well pilot production equipment of hydraulic wireline winch Expired - Fee Related CN105156074B (en)

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CN108483292B (en) * 2018-01-31 2019-12-17 武汉船用机械有限责任公司 double-rope-outlet winch
CN109019340B (en) * 2018-09-29 2019-09-17 武汉船用机械有限责任公司 A kind of bistable rope winch hydraulic system of tension Independent adjustable
CN213116284U (en) * 2020-07-30 2021-05-04 德州联合石油科技股份有限公司 Hydraulic pressure drives pump and arranges thick liquid pipe-line system

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