CN221074198U

CN221074198U - Hydraulic drive drainage device for oil-gas field

Info

Publication number: CN221074198U
Application number: CN202322910183.8U
Authority: CN
Inventors: 贺旭光; 李海
Original assignee: Tianjin Kuroshio Technology Co ltd
Current assignee: Tianjin Kuroshio Technology Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-06-04
Anticipated expiration: 2033-10-30

Abstract

The utility model relates to the technical field of oil and gas field drainage and production equipment, in particular to a hydraulic drive drainage and production device for an oil and gas field, which comprises a base, wherein the top of the base is fixedly connected with the bottom of a driving piece, a hydraulic plunger pump sucks hydraulic oil from a hydraulic oil tank and continuously outputs high-pressure oil, the high-pressure oil enters a hydraulic drive high-pressure water pump through an electromagnetic overflow valve, the high-pressure oil drives the hydraulic drive high-pressure water pump to do linear reciprocating motion, and further high-pressure water suction and continuous output of the high-pressure water are realized, and circulating water sucked from a water tank is injected into a central pipe through pressurization. When the underground passage encounters resistance, the working pressure can be greatly increased to dredge under the condition of small discharge capacity, so that the tolerance to the concentration of particulate matters and coal dust is improved.

Description

Hydraulic drive drainage device for oil-gas field

Technical Field

The utility model relates to the technical field of oil and gas field drainage and production equipment, in particular to a hydraulic drive drainage and production device for an oil and gas field.

Background

Oil and gas resources are one of the most important energy sources in the world today. The oil and gas industry is waterflooding to develop oil and gas fields, and the produced water yield of the oil and gas fields is increased along with the continuous increase of the oil and gas production. The oil and gas industry produces oil and gas and simultaneously brings adverse effects to the environment. The produced water of the oil and gas field is a product obtained by processing the produced water in the exploitation process of the oil and gas field and separating water from the water-containing crude oil and gas, and is a largest byproduct of the oil and gas field. The produced water of the oil and gas field contains a large amount of organic matters, inorganic salt ions, grease, corrosives and radioactive products, and the discharge of the produced water can cause continuous pollution to the ecological environment.

Most of the hydraulic drive drainage and production devices for oil and gas fields in the current market are used, the current rodless drainage and production device for the oil and gas field is generally up to one thousand and five hundred meters or less, and the drainage and production requirements are increased along with the deep development of the oil and gas field. The flow rate can not be accurately controlled in the drainage process, an airlock phenomenon can occur, the tolerance to the concentration of the particulate matters and the coal dust is about five percent, meanwhile, the integrated skid-mounted type hydraulic pump is not used, the construction management is complex, and the failure rate is high.

Disclosure of utility model

The utility model aims to provide a hydraulic drive drainage device for an oil-gas field, which aims to solve the problem that the exploitation device cannot meet the requirement in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic drive arranges adopts device for oil gas field, includes the base, the top of base and the bottom fixed connection of driving piece, the one end of driving piece and the inner wall fixed connection of control, the output of control and the one end fixed connection of cooling piece.

The outer wall of the cooling piece is connected with the inner wall of the base in a clamping way, the inner side wall of the control piece is fixedly connected with one end of the high-pressure water pump system, and the output end of the high-pressure water pump system is fixedly connected with the input end of the submerged pump.

Preferably, the base comprises hydraulic tank, oil filler pipe, supporting leg and supporting shoe, and hydraulic tank's interior roof and the bottom fixed connection of oil filler pipe, and oil filler pipe's top is provided with sealed lid, hydraulic tank's bottom and the top fixed connection of supporting leg, and hydraulic tank be close to one side of waist and one side fixed connection of supporting shoe, the block groove has been seted up to the inner wall of supporting shoe.

Preferably, the driving piece comprises a driving motor, a bell jar flange, a hydraulic plunger pump, an oil suction pipe and an oil outlet pipe, the driving motor is fixedly connected with the top of the hydraulic oil tank through a bolt, one side, close to the output shaft, of the driving motor is fixedly connected with one side of the bell jar flange, one side, far away from the driving motor, of the bell jar flange is fixedly connected with the outer wall of the hydraulic plunger pump, the inner wall of the hydraulic plunger pump is movably sleeved with the outer wall of the output shaft of the driving motor, one end of the oil suction pipe is fixedly connected with one end of the oil suction pipe, the other end of the oil suction pipe is fixedly connected with the inner wall of the hydraulic oil tank, and the inner wall of the other side of the hydraulic plunger pump is fixedly connected with one end of the oil outlet pipe.

Preferably, the control member comprises electromagnetic relief valve, hydraulic valve piece and back flow, and electromagnetic relief valve's input and the one end fixed connection of play oil pipe, and electromagnetic relief valve's bottom and hydraulic valve piece's top fixed connection, and hydraulic valve piece's inner wall and the one end fixed connection of back flow, and the other end and the inner wall fixed connection of hydraulic tank of back flow.

Preferably, the cooling piece comprises a cooler, a water inlet pipe and a water outlet pipe, the inside of the cooler is movably abutted with the outer wall of the return pipe, the outer wall of the cooler is connected with the inner wall of the clamping groove in a clamping mode, one side, close to the top, of the cooler is fixedly connected with one end of the water inlet pipe, one side, close to the bottom, of the cooler is fixedly connected with one end of the water outlet pipe, and the other ends of the water inlet pipe and the water outlet pipe are fixedly connected with the inner wall of the cooling liquid storage box.

Preferably, the high-pressure water pump system is composed of a hydraulic drive high-pressure water pump, a water tank and an oil delivery pipe, wherein the input end of the hydraulic drive high-pressure water pump is fixedly connected with one end of the oil delivery pipe, the other end of the oil delivery pipe is fixedly connected with the inner wall of the hydraulic valve block, the liquid input end of the hydraulic drive high-pressure water pump is fixedly connected with the inner wall of the water tank, and the output end of the hydraulic drive high-pressure water pump is fixedly connected with the input end of the submerged pump.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the hydraulic plunger pump is driven by the driving motor to work, hydraulic oil is sucked from the hydraulic oil tank by the hydraulic plunger pump and high-pressure oil is continuously output, the gap between the upper pivot of the plunger stroke of the hydraulic end of the hydraulic plunger pump and the pump head is two millimeters, the occurrence of an airlock condition is avoided, the high-pressure oil enters the hydraulic driving high-pressure water pump through the electromagnetic overflow valve, the hydraulic driving high-pressure water pump is driven by the high-pressure oil to do linear reciprocating motion, and further high-pressure water suction and continuous output of the high-pressure water are realized, and the circulating water sucked from the water tank is injected into the central pipe through pressurization. When the underground passage encounters resistance, the working pressure can be greatly increased to dredge under the condition of small discharge capacity, so that the tolerance to the concentration of particulate matters and coal dust is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

fig. 3 is a flow chart of the working principle of the utility model.

In the figure: 1. a base; 101. a hydraulic oil tank; 102. a filler tube; 103. support legs; 104. a support block; 2. a driving member; 201. a driving motor; 202. a bell flange; 203. a hydraulic plunger pump; 204. an oil suction pipe; 205. an oil outlet pipe; 3. a control member; 301. an electromagnetic spill valve; 302. a hydraulic valve block; 303. a return pipe; 4. a cooling member; 401. a cooler; 402. a water inlet pipe; 403. a water outlet pipe; 5. a high pressure water pump system; 501. hydraulically driving a high-pressure water pump; 502. a water tank; 503. an oil delivery pipe; 6. submerged pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a hydraulic drive arranges adopts device for oil gas field, includes base 1, the top of base 1 and the bottom fixed connection of driving piece 2, the one end of driving piece 2 and the inner wall fixed connection of control piece 3, the output of control piece 3 and the one end fixed connection of cooling piece 4.

The outer wall of the cooling piece 4 is connected with the inner wall of the base 1 in a clamping way, the inner side wall of the control piece 3 is fixedly connected with one end of the high-pressure water pump system 5, the output end of the high-pressure water pump system 5 is fixedly connected with the input end of the submerged pump 6, and the submerged pump 6 is an executing element for underground drainage and gas production and mainly comprises a lower joint, a liquid inlet and outlet valve group, a pump core, a pump barrel and an upper joint. All parts of the pump are subjected to special surface treatment, so that corrosion resistance, wear resistance and high strength are truly realized. The reversing mechanism of the submerged pump is arranged in the pump core, is more stable and reliable relative to ground reversing, and has high response speed and high energy utilization rate. The driving liquid is continuously injected into the central tube to keep stable pressure, so that fatigue fracture of the central tube caused by frequent pressure change is effectively reduced.

In this embodiment, as shown in fig. 1, 2 and 3, the base 1 is composed of a hydraulic oil tank 101, an oil filling pipe 102, a supporting leg 103 and a supporting block 104, wherein an inner top wall of the hydraulic oil tank 101 is fixedly connected with a bottom end of the oil filling pipe 102, a sealing cover is arranged at a top end of the oil filling pipe 102, a bottom of the hydraulic oil tank 101 is fixedly connected with a top of the supporting leg 103, one side, close to a waist, of the hydraulic oil tank 101 is fixedly connected with one side of the supporting block 104, and a clamping groove is formed in an inner wall of the supporting block 104.

In this embodiment, as shown in fig. 1, 2 and 3, the driving piece 2 includes a driving motor 201, a bell flange 202, a hydraulic plunger pump 203, an oil suction pipe 204 and an oil outlet pipe 205, and the driving motor 201 is fixedly connected with the top of the hydraulic oil tank 101 through a bolt, one side of the driving motor 201 close to the output shaft is fixedly connected with one side of the bell flange 202, one side of the bell flange 202 far away from the driving motor 201 is fixedly connected with the outer wall of the hydraulic plunger pump 203, the inner wall of the hydraulic plunger pump 203 is movably sleeved with the outer wall of the output shaft of the driving motor 201, one end of the oil suction pipe 204 is fixedly connected with one end of the oil suction pipe 204, the other end of the oil suction pipe 204 is fixedly connected with the inner wall of the hydraulic oil tank 101, the inner wall of the other side of the hydraulic plunger pump 203 is fixedly connected with one end of the oil outlet pipe 205, the hydraulic plunger pump 203 is a manual hydraulic product pump or an electrohydraulic proportional variable pump, the driving motor 201 is a three-phase asynchronous motor, the driving motor 201 drives the hydraulic plunger pump 203 to work, the hydraulic plunger pump 203 sucks and continuously outputs high-pressure oil from the hydraulic oil tank 101, and the hydraulic end plunger piston of the hydraulic pump 203 has a pivot and a gap of a pump head.

In this embodiment, as shown in fig. 1, 2 and 3, the control member 3 is composed of an electromagnetic relief valve 301, a hydraulic valve block 302 and a return pipe 303, wherein the input end of the electromagnetic relief valve 301 is fixedly connected with one end of the oil outlet pipe 205, the bottom of the electromagnetic relief valve 301 is fixedly connected with the top of the hydraulic valve block 302, the inner wall of the hydraulic valve block 302 is fixedly connected with one end of the return pipe 303, the other end of the return pipe 303 is fixedly connected with the inner wall of the hydraulic oil tank 101, the electromagnetic relief valve 301 can limit the pressure of the flowing hydraulic oil, and the return pipe 303 can return the hydraulic oil into the hydraulic oil tank 101.

In this embodiment, as shown in fig. 1, 2 and 3, the cooling element 4 includes a cooler 401, a water inlet pipe 402 and a water outlet pipe 403, the inside of the cooler 401 is movably abutted against the outer wall of the return pipe 303, the outer wall of the cooler 401 is connected with the inner wall of the clamping groove in a clamping manner, one side of the cooler 401 close to the top is fixedly connected with one end of the water inlet pipe 402, one side of the cooler 401 close to the bottom is fixedly connected with one end of the water outlet pipe 403, the other end of the water inlet pipe 402 and the other end of the water outlet pipe 403 are fixedly connected with the inner wall of the cooling liquid storage tank, and hydraulic oil in the return pipe 303 is cooled through the water inlet pipe 402 and the water outlet pipe 403 by cooling liquid.

In this embodiment, as shown in fig. 1, 2 and 3, the high-pressure water pump system 5 is composed of a hydraulic drive high-pressure water pump 501, a water tank 502 and an oil delivery pipe 503, wherein an input end of the hydraulic drive high-pressure water pump 501 is fixedly connected with one end of the oil delivery pipe 503, the other end of the oil delivery pipe 503 is fixedly connected with an inner wall of the hydraulic valve block 302, a liquid input end of the hydraulic drive high-pressure water pump 501 is fixedly connected with an inner wall of the water tank 502, an output end of the hydraulic drive high-pressure water pump 501 is fixedly connected with an input end of a submerged pump 6, a hydraulic drive cavity is arranged in the middle of the hydraulic drive high-pressure water pump 501, an automatic reversing mechanism is arranged at two ends of the hydraulic drive high-pressure water pump, and the reciprocating motion of the plunger realizes the alternate suction of low-pressure liquid and the discharge of the high-pressure liquid from the left cavity and the right cavity. A lubrication cavity is arranged between the hydraulic cavity and the water cavity, so that a lubrication oil film is generated when the plunger reciprocates, and the service life of the plunger is prolonged. The working state of the lubrication cavity is normal pressure, the cavity is provided with a lubrication oil filling port, the position of lubrication oil is regularly observed through the oil level gauge, the filling height is about 1/2 of the scale of the oil level gauge, the lubrication oil is discharged through the oil drain plug every two months, and new lubrication oil is replaced, wherein the lubrication oil is hydraulic oil or vehicle engine oil. The hydraulic cavity is externally provided with an oil drain plug, the pipeline oil is firstly drained to an oil receiving disc through the oil drain plug before the pipeline is maintained and detached, so that the environment is polluted by oil leakage, high-pressure oil enters a hydraulic drive high-pressure water pump 501 through an electromagnetic overflow valve 301, the high-pressure oil drives the hydraulic drive high-pressure water pump 501 to do linear reciprocating motion, the high-pressure water is further absorbed and continuously output, the circulating water is sucked from a water tank 502 and injected into a central pipe through pressurization, and the hydraulic pump is characterized by controlling the stepless speed regulation of power liquid, further controlling the reciprocating speed of an underground pump, realizing accurate control of drainage and production, ensuring that the overpressure of the hydraulic drive high-pressure water pump 501 does not produce water overflow, and limiting the pressure through the internal overflow of the electromagnetic overflow valve 301. When the underground passage encounters resistance, the working pressure can be greatly increased to dredge under the condition of small discharge capacity, so that the tolerance to the concentration of particulate matters and coal dust is improved.

The application method and the advantages of the utility model are as follows: when the hydraulic drive drainage device for the oil and gas field works, the working process is as follows:

As shown in fig. 1, 2 and 3, a driving motor 201 drives a hydraulic plunger pump 203 to work, the hydraulic plunger pump 203 sucks hydraulic oil from a hydraulic oil tank 101 and continuously outputs high-pressure oil, the high-pressure oil enters a hydraulic driving high-pressure water pump 501 through an electromagnetic overflow valve 301, the high-pressure oil enters the hydraulic driving high-pressure water pump 501 through the electromagnetic overflow valve 301, the high-pressure oil drives the hydraulic driving high-pressure water pump 501 to do linear reciprocating motion, and further high-pressure water suction and continuous output of high-pressure water are achieved, and circulating water sucked from a water tank 502 is injected into a central pipe through pressurization. When the underground passage encounters resistance, the working pressure can be greatly increased to dredge under the condition of small discharge capacity, so that the tolerance to the concentration of particulate matters and coal dust is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hydraulic drive arranges and adopts device for oil gas field, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with the bottom of the driving piece (2), one end of the driving piece (2) is fixedly connected with the inner wall of the control piece (3), and the output end of the control piece (3) is fixedly connected with one end of the cooling piece (4);

The outer wall of the cooling piece (4) is connected with the inner wall of the base (1) in a clamping mode, the inner side wall of the control piece (3) is fixedly connected with one end of the high-pressure water pump system (5), and the output end of the high-pressure water pump system (5) is fixedly connected with the input end of the submerged pump (6).

2. The hydraulically driven drainage device for oil and gas fields as claimed in claim 1, wherein: the base (1) comprises hydraulic tank (101), oil filler pipe (102), supporting leg (103) and supporting shoe (104), and the interior roof of hydraulic tank (101) and the bottom fixed connection of oil filler pipe (102), and the top of oil filler pipe (102) is provided with sealed lid, the bottom of hydraulic tank (101) and the top fixed connection of supporting leg (103), and one side that hydraulic tank (101) is close to waist and one side fixed connection of supporting shoe (104), the block groove has been seted up to the inner wall of supporting shoe (104).

3. The hydraulically driven drainage device for oil and gas fields as claimed in claim 1, wherein: the driving piece (2) comprises a driving motor (201), a bell jar flange (202), a hydraulic plunger pump (203), an oil suction pipe (204) and an oil outlet pipe (205), the driving motor (201) is fixedly connected with the top of the hydraulic oil tank (101) through bolts, one side, close to an output shaft, of the driving motor (201) is fixedly connected with one side of the bell jar flange (202), one side, far away from the driving motor (201), of the bell jar flange (202) is fixedly connected with the outer wall of the hydraulic plunger pump (203), the inner wall of the hydraulic plunger pump (203) is movably sleeved with the outer wall of the output shaft of the driving motor (201), one end of the oil suction pipe (204) is fixedly connected with the inner wall of the hydraulic oil tank (101), and the other end of the oil suction pipe (204) is fixedly connected with one end of the oil outlet pipe (205).

4. The hydraulically driven drainage device for oil and gas fields as claimed in claim 1, wherein: the control piece (3) comprises an electromagnetic overflow valve (301), a hydraulic valve block (302) and a return pipe (303), wherein the input end of the electromagnetic overflow valve (301) is fixedly connected with one end of an oil outlet pipe (205), the bottom of the electromagnetic overflow valve (301) is fixedly connected with the top of the hydraulic valve block (302), the inner wall of the hydraulic valve block (302) is fixedly connected with one end of the return pipe (303), and the other end of the return pipe (303) is fixedly connected with the inner wall of the hydraulic oil tank (101).

5. The hydraulically driven drainage device for oil and gas fields as claimed in claim 1, wherein: the cooling piece (4) comprises a cooler (401), a water inlet pipe (402) and a water outlet pipe (403), the inside of the cooler (401) is movably abutted against the outer wall of the backflow pipe (303), the outer wall of the cooler (401) is connected with the inner wall of the clamping groove in a clamping mode, one side, close to the top, of the cooler (401) is fixedly connected with one end of the water inlet pipe (402), one side, close to the bottom, of the cooler (401) is fixedly connected with one end of the water outlet pipe (403), and the other end of the water inlet pipe (402) and the other end of the water outlet pipe (403) are fixedly connected with the inner wall of the cooling liquid storage tank.

6. The hydraulically driven drainage device for oil and gas fields as claimed in claim 1, wherein: the high-pressure water pump system (5) is composed of a hydraulic drive high-pressure water pump (501), a water tank (502) and an oil delivery pipe (503), wherein the input end of the hydraulic drive high-pressure water pump (501) is fixedly connected with one end of the oil delivery pipe (503), the other end of the oil delivery pipe (503) is fixedly connected with the inner wall of the hydraulic valve block (302), the liquid input end of the hydraulic drive high-pressure water pump (501) is fixedly connected with the inner wall of the water tank (502), and the output end of the hydraulic drive high-pressure water pump (501) is fixedly connected with the input end of the submerged pump (6).