CN110593821A - Oil well pressure boost gas collection and medicine integrated device - Google Patents
Oil well pressure boost gas collection and medicine integrated device Download PDFInfo
- Publication number
- CN110593821A CN110593821A CN201910897702.7A CN201910897702A CN110593821A CN 110593821 A CN110593821 A CN 110593821A CN 201910897702 A CN201910897702 A CN 201910897702A CN 110593821 A CN110593821 A CN 110593821A
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- Prior art keywords
- oil
- reversing
- outlet
- plunger
- inlet
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- 239000003814 drug Substances 0.000 title claims abstract description 29
- 239000003129 oil well Substances 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 238000012856 packing Methods 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 58
- 239000003921 oil Substances 0.000 abstract description 55
- 239000003345 natural gas Substances 0.000 abstract description 29
- 239000010779 crude oil Substances 0.000 abstract description 24
- 239000007789 gas Substances 0.000 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 239000013043 chemical agent Substances 0.000 abstract description 2
- 239000012188 paraffin wax Substances 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Abstract
The application belongs to the technical field of oil development, especially relates to an oil well pressure boost gas collection and medicine integrated device. In oil exploitation, natural gas in a casing is often difficult to transport due to insufficient pressure. Therefore, the natural gas in the casing needs to be pressurized; meanwhile, in casing operation, in order to achieve a certain purpose, corresponding chemical agents, such as paraffin removal agents, viscosity reducing agents and the like, are generally required to be added into the casing. In order to realize the aims of pressurizing and dosing the sleeve natural gas conveniently and efficiently at low cost, the application provides an oil well pressurizing gas collecting and dosing integrated device which comprises a reversing driving part, a pressure conducting part and a fluid pressurizing part; the natural gas is pressurized by utilizing the self pressure of the crude oil in the oil pipe and compressing the air cavity, and meanwhile, the air cavity can also contain the medicament, thereby meeting the requirements of pressurizing and dosing the sleeve natural gas. This application need not be with the help of extra power, reduced the cost, and automatic operation is convenient high-efficient more, and this application is suitable for in industry to popularize and apply.
Description
Technical Field
The application relates to the technical field of oil exploitation, in particular to an oil well pressurization gas collection and dosing integrated device.
Background
In oil production, the communication pipeline from the wellhead to the outside usually comprises a tubing for transporting crude oil and a casing for transporting natural gas. The crude oil in the oil pipe often has certain pressure under the pressure of the crude oil in the stratum and the pumping action of the pumping unit, and the natural gas in the sleeve is often insufficient in pressure and is not beneficial to conveying the natural gas.
In order to overcome the problem, a booster is usually adopted in the industry to boost the natural gas in the casing, although the method relieves the current situation of inconvenient transportation caused by insufficient pressure, the economic cost and the time cost are additionally increased, the configuration of the booster needs extra capital, special workers are needed to manage, operate and maintain the instrument, and oil field workers also need to spend a lot of time to complete the work.
In addition, in casing operation, in order to achieve a certain purpose, corresponding chemical agents, such as paraffin removal agents, viscosity reduction agents and the like, are generally required to be added into the casing. At present, the mode of setting the medicine adding tank is usually adopted for sleeve medicine adding operation, the medicine adding tank and the driving device are additionally arranged in the method, the medicine in the medicine adding tank is pressed into the sleeve through the driving device, and the operation is complex and the cost is higher.
Disclosure of Invention
The application provides an oil well pressure boost gas collection and medicine integrated device to solve the current unable low-cost and realize sleeve pipe natural gas pressure boost and the problem of adding medicine simultaneously conveniently.
The technical scheme adopted by the application is as follows:
an oil well pressurization gas collection and dosing integrated device comprises a reversing driving part, a pressure conduction part and a fluid pressurization part;
the reversing driving part comprises a reversing valve, the reversing valve is communicated with an oil pipe to be connected through an oil inlet, the reversing valve is communicated with an oil pipe to be connected through an oil outlet, the reversing valve is connected with a first oil cavity through a first hydraulic pipe and a first reversing joint which are sequentially connected, the reversing valve is connected with a second oil cavity through a second hydraulic pipe and a second reversing joint which are sequentially connected, a first plunger rod and a second plunger rod of the first reversing joint and the second reversing joint are arranged at ends close to the first oil cavity and the second oil cavity, and the reversing valve is respectively communicated with the first oil cavity and the second oil cavity through a first connecting pipe and a second connecting pipe;
the pressure conduction part comprises a shell, a plunger slider and a packing ring, the shell is divided into a first oil cavity, a first air cavity, a second oil cavity and a second air cavity by the plunger slider and the packing ring, and the first air cavity and the second air cavity are respectively communicated with the fluid pressurization part through a channel opening in the packing ring;
the fluid pressurization part comprises an inlet pipeline and an outlet pipeline, the inlet pipeline is communicated with a first inlet check valve and a second inlet check valve, the outlet pipeline is communicated with a first outlet check valve and a second outlet check valve, the first inlet check valve is connected with the first outlet check valve, the second inlet check valve is connected with the second outlet check valve, a channel port connected with the first air cavity on the packing ring is communicated with an outlet of the first inlet check valve and an inlet of the first outlet check valve, and a channel port connected with the second air cavity on the packing ring is communicated with inlets of the second inlet check valve and the second outlet check valve.
Optionally, the housing is cylindrical, an end of the plunger slider along a sliding direction of the housing is cylindrical, and a middle of the plunger slider and the packing ring in tight connection is cylindrical.
Optionally, the housing is rectangular, the end of the plunger slider along the sliding direction of the housing is rectangular, and the middle of the plunger slider, which is tightly connected with the packing ring, is rectangular.
Optionally, the plunger slide block is of an i-shaped structure, the outer periphery of the end portion of the plunger slide block in the sliding direction of the casing is in close contact with the inner wall of the casing, the middle of the plunger slide block is of a hollow tubular structure, and the outer wall of the middle of the plunger slide block is in close contact with the inner annular wall of the packing ring.
Optionally, the plunger slider includes a driving rod and two sliding end portions, an outer peripheral edge of the sliding end portion is tightly connected to an inner wall of the housing, the driving rod penetrates through an inner ring hole of the packing ring and is hard connected to the two sliding end portions, and an outer wall of the driving rod is tightly connected to an inner wall of the inner ring hole of the packing ring.
Optionally, the housing and the isolation ring are of an integrally formed structure, and the plunger slide block is of an integrally formed structure.
Optionally, a sealing ring is arranged at a contact position of the shell and the plunger sliding block, and a sealing ring is arranged at a contact position of the plunger sliding block and the packing ring.
Optionally, the first reversing joint and the second reversing joint are respectively provided with a first flow regulating valve and a second flow regulating valve.
Optionally, the casing further includes a flange, a protruding portion is disposed at a proximal end of a portion of the casing contacting the packing ring, and the flange is fixedly connected to the protruding portions located on two sides of the packing ring.
Optionally, a three-way valve is arranged at the inlet end of the inlet pipeline, and a three-way valve is arranged at the outlet end of the outlet pipeline.
The beneficial effects of adopting the technical scheme of the application are as follows:
the oil well pressurization gas collection and dosing integrated device comprises a reversing driving part, a pressure conduction part and a fluid pressurization part; crude oil in an oil well oil pipe is led into the reversing driving part, the crude oil is further led into the first oil cavity or the second oil cavity, the plunger slide block is pushed to move by the pressure of the crude oil in the oil pipe, the first air cavity or the second air cavity is compressed, and compressed natural gas is conveyed back to the sleeve through the fluid pressurizing part, so that the natural gas of the sleeve is pressurized; in addition, four check valves of the fluid pressurizing part are respectively connected with the first air cavity and the second air cavity, medicine is added at the inlet end of the inlet pipeline, and the medicine can be pressurized and pushed into the sleeve by utilizing the driving force of crude oil pressure, so that the medicine adding operation of the sleeve is realized.
This application utilizes crude oil self pressure to provide drive power, can carry out the pressure boost to sleeve pipe natural gas and/or medicament to carry it to the sleeve pipe in, reached the purpose of this application. Meanwhile, the integrated reversing valve is low in cost due to the adoption of the integrated arrangement, automatic reversing can be achieved due to the arrangement of the reversing valve, manual operation is not needed, convenience and rapidness are achieved, and the reversing valve is suitable for popularization and application in the industry.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a portion of an embodiment of the present application;
FIG. 2 is another schematic structural diagram of a portion of an embodiment of the present application;
FIG. 3 is a schematic structural diagram of another embodiment of the present application;
fig. 4 is a schematic structural diagram of another embodiment of the present application.
Illustration of the drawings:
wherein, 1-reversing drive part, 10-reversing valve, 11-oil outlet, 12-oil inlet, 13-first hydraulic pipe, 14-second hydraulic pipe, 15-first connecting pipe, 16-second connecting pipe, 17-first reversing joint, 171-first plunger rod, 172-first flow regulating valve, 18-second reversing joint, 181-second plunger rod, 182-second flow regulating valve, 2-pressure conduction part, 21-first oil chamber, 22-plunger slide block, 23-first air chamber, 24-isolating ring, 25-second air chamber, 26-second oil chamber, 27-driving rod, 3-fluid pressurization part, 31-outlet pipeline, 32-inlet pipeline, 33-first outlet check valve, 34-first inlet check valve, 35-second outlet check valve, 36-second inlet check valve, 37-outlet three-way valve, 38-inlet three-way valve.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Referring to fig. 1 and fig. 2, two parts of an oil well pressurization gas collection and dosing integrated device are schematically shown in the structure.
The application provides an oil well pressure boost gas collection and medicine feeding integrated device, which comprises a reversing driving part 1, a pressure conduction part 2 and a fluid pressurization part 3;
the reversing driving part 1 comprises a reversing valve 10, the reversing valve 10 is communicated with an oil pipe to be connected through an oil inlet 12, the reversing valve 10 is communicated with an oil pipe to be connected through an oil outlet 11, the reversing valve 10 is connected with a first oil chamber 21 through a first hydraulic pipe 13 and a first reversing joint 17 which are sequentially connected, the reversing valve 10 is connected with a second oil chamber 26 through a second hydraulic pipe 14 and a second reversing joint 18 which are sequentially connected, a first plunger rod 171 and a second plunger rod 181 of the first reversing joint 17 and the second reversing joint 18 are arranged at ends close to the first oil chamber 21 and the second oil chamber 26, and the reversing valve 10 is respectively communicated with the first oil chamber 21 and the second oil chamber 26 through a first connecting pipe 15 and a second connecting pipe 16;
the pressure transmission part 2 comprises a shell, a plunger slide block 22 and a packing ring 24, the shell is divided into a first oil cavity 21, a first air cavity 23, a second oil cavity 26 and a second air cavity 25 by the plunger slide block 22 and the packing ring 24, and the first air cavity 23 and the second air cavity 25 are respectively communicated with the fluid pressurization part 3 through a passage port on the packing ring 24;
the fluid pressurizing part 3 comprises an inlet pipeline 32 and an outlet pipeline 31, the inlet pipeline 32 is communicated with a first inlet check valve 34 and a second inlet check valve 36, the outlet pipeline 31 is communicated with a first outlet check valve 33 and a second outlet check valve 35, the first inlet check valve 34 is connected with the first outlet check valve 33, the second inlet check valve 36 is connected with the second outlet check valve 35, a passage port of the isolating ring 24, which is connected with the first air cavity 23, is communicated with an outlet of the first inlet check valve 34 and an inlet of the first outlet check valve 33, and a passage port of the isolating ring 24, which is connected with the second air cavity 25, is communicated with inlets of the second inlet check valve 36 and the second outlet check valve 35.
In this embodiment, the reversing driving portion 1 mainly provides driving pressure, and its power is derived from the crude oil pressure of the wellhead oil pipe, and the plunger slide block 22 in the pressure conduction portion 2 is pushed to move by using the pressure of the crude oil in the oil pipe, and meanwhile, the first air cavity 23 or the second air cavity 25 is compressed, so that the volume is reduced, the pressure is increased, and the natural gas in the air cavities is pressurized and pushed into the casing pipe, thereby realizing the pressurization effect of the casing pipe natural gas. The embodiment does not need extra power, saves the cost and simplifies the equipment. When the plunger slide block 22 in the pressure transmission part 2 is pushed to a certain degree, the end part of the plunger slide block 22 contacts the plunger rod of the reversing joint and pushes the plunger rod to retract into the reversing joint, at the moment, hydraulic oil in the hydraulic pipe is driven to displace, when the displacement reaches a certain degree, the interfaces of the reversing valve 10, the first connecting pipe 15 and the second connecting pipe 16 are exchanged, the interfaces are the outlets before and the inlets before, the interfaces are the inlets before and the outlets now, and the oil circuit of crude oil in the embodiment is reversed. The whole reversing process is driven by the crude oil, so that the reversing process is automatically finished without additional power. The switching-over makes whole working process incessant operation, and crude oil is constantly through the device of this embodiment, and is not very big to crude oil's in the oil pipe influence, and through the pressure that utilizes crude oil, can be lastingly to the natural gas in the sleeve pipe operation of pressurizeing, and whole operation process is automatic and high-efficient.
In this embodiment, the fluid pressurizing part 3 is communicated with the passage port on the isolating ring 24, that is, the fluid pressurizing part 3 has at least two functions, one is to provide a pressurizing object, including but not limited to casing natural gas and medicament; the other function is circulation, namely, an inlet and an outlet loop of a complete pressurization object are provided, and the whole loop can only flow in one direction due to the adoption of the check valve, so that the pressurization object is ensured to enter from the inlet and flow back into the sleeve from the outlet.
Optionally, the housing is cylindrical, an end of the plunger slide 22 along the sliding direction of the housing is cylindrical, and a middle portion of the plunger slide 22 tightly connected with the excluder ring 24 is cylindrical.
In this embodiment, set up the casing into cylindrically, set up plunger slider 22 into cylindrically along the tip of casing slip direction, set up plunger slider 22 and the middle part of packing ring 24 zonulae occludens into cylindrically, firstly columniform standard realizes more easily in the technology, secondly, because plunger slider 22 during operation need reciprocating type slip in the chamber of casing say, slick and sly inner wall is favorable to satisfying the requirement of leakproofness, and simultaneously, it is more smooth and easy to slide, and life is longer, and the effect is better.
Optionally, the housing is rectangular parallelepiped, an end of the plunger slider 22 along the sliding direction of the housing is rectangular parallelepiped, and a middle portion of the plunger slider 22 tightly connected to the isolation ring 24 is rectangular parallelepiped.
Referring to fig. 3, as another embodiment of the housing of the present application, the housing is rectangular, and the plunger slide 22 is also rectangular, so that the rectangular housing is more convenient to grasp and transport.
Optionally, the plunger slide block 22 is in an i-shaped structure, the outer periphery of the end portion of the plunger slide block 22 in the sliding direction of the casing is in close contact with the inner wall of the casing, the middle portion of the plunger slide block 22 is in a hollow tubular structure, and the outer wall of the middle portion of the plunger slide block 22 is in close contact with the inner annular wall of the packing ring 24.
Optionally, the plunger slide 22 includes a driving rod 27 and two sliding end portions, an outer periphery of the sliding end portion is tightly connected with an inner wall of the housing, the driving rod 27 passes through an inner ring hole of the packing ring 24 to be hard-connected with the two sliding end portions, and an outer wall of the driving rod 27 is tightly connected with an inner wall of the inner ring hole of the packing ring 24.
Referring to fig. 4, the plunger slide 22 is provided with the driving rod 27 and two sliding end portions, on one hand, the plunger slide 22 is simpler, the weight is further reduced, and the material is saved; on the other hand, can further increase the capacity of first air cavity 23 and second air cavity 25, when what hold is the sleeve pipe natural gas, increase the natural gas holding capacity of this application, when what hold is the medicament that adds the sleeve pipe, realize adding medicine work more efficiently.
Optionally, the housing and the excluder ring 24 are formed integrally, and the plunger slide 22 is formed integrally.
In this embodiment, the casing and the packing ring 24 are integrally formed, and the plunger slide block 22 is integrally formed, so that the process is easier to realize, the production process is simpler and more convenient, and the cost is saved.
Optionally, a sealing ring is arranged at a contact position of the shell and the plunger slide block 22, and a sealing ring is arranged at a contact position of the plunger slide block 22 and the packing ring 24.
In this embodiment, the contact position between the housing and the plunger slider 22 is provided with a sealing ring, and the contact position between the plunger slider 22 and the packing ring 24 is provided with a sealing ring, so that the plunger slider 22 needs to slide in the cavity of the housing during operation, and the problem of sealing performance between relatively moving parts is easily caused.
Optionally, the first and second direction-changing joints 17 and 18 are respectively provided with a first and second flow regulating valves 172 and 182.
In this embodiment, the first flow regulating valve 172 and the second flow regulating valve 182 are respectively provided at the first direction changing joint 17 and the second direction changing joint 18, and the flow regulating valves are provided at the end portions of the direction changing joints on the side close to the hydraulic oil pipe. The reversing section comprises a flow regulating valve, a plunger rod sliding groove and a plunger rod, the flow regulating valve is in threaded connection with the plunger rod sliding groove, and the plunger rod sliding groove is pushed to move towards the pressure transmission part 2 by rotating the flow regulating valve, so that the plunger rod also moves towards the pressure transmission part 2. The moved plunger rod is more easily touched by the plunger slide 22, so that the commutation is achieved earlier than before, which has the advantages of: earlier switching-over makes the expanded air cavity not too big to make the natural gas in the air cavity compressed and produce bigger pressure after the switching-over, the pressure boost effect is better.
Optionally, the housing further includes a flange, a protruding portion is disposed at a proximal end of a portion of the housing contacting the excluder ring 24, and the flange is fixedly connected to the protruding portions located at two sides of the excluder ring 24.
In this embodiment, through set up the flange on the casing, be favorable to casing overall structure's stability more, because plunger slider 22 operating condition is in the reciprocating multiple motion of casing, has a certain degree examination to the steadiness of casing, sets up the flange and consolidates the casing, has promoted the durability and the reliability of this embodiment.
Alternatively, an inlet three-way valve 38 is provided at the inlet end of the inlet pipe 32, and an outlet three-way valve 37 is provided at the outlet end of the outlet pipe 31.
In this embodiment, the inlet and outlet of the sleeve natural gas and the medicament can be distinguished by arranging the three-way valve at the inlet end of the inlet pipeline 32 and the three-way valve at the outlet end of the outlet pipeline 31, and the natural gas and the medicament are respectively added and led out from respective valve ports through the opening and closing of the three-way valves, so that mutual interference is avoided.
The process actually used in the application is as follows:
firstly, an oil pipe of a wellhead is connected into an oil inlet 12 of a reversing driving part 1 in the application, and then an oil outlet 11 is connected with an oil return pipe; when the pumping unit work and the oil circuit is unobstructed, crude oil is pumped out from the shaft bottom and reaches the well head, then gets into switching-over drive portion 1 from oil inlet 12 of this application, gets into the oil pocket through the connecting pipe, though in this application two connecting pipes are named first connecting pipe 15 and second connecting pipe 16 respectively, the purpose is only for distinguishing the clarity, in fact, because the device of this application possesses certain symmetry, the equipment on both sides is basically the same, therefore, for easy understanding, when explaining the theory of operation, do not need to distinguish strictly that it gets into from specifically which side, because get into from any side, its principle is the same. Crude oil continuously enters and fills the oil chamber and then due to the pressure of the crude oil pushes the plunger slide 22 to slide along the inner wall of the housing, which in practice is understood to be a barrel-shaped structure and is not strictly exclusively defined as a cylinder. Suitably, the plunger slide 22 should be shaped to provide a tight containment envelope. During the sliding process of the plunger slide block 22, after the adjacent air cavity is compressed, the natural gas is pressurized and pushed into the fluid pressurization part 3 and then enters the casing, the volume of the relatively far air cavity is enlarged and the natural gas from the casing is sucked from the fluid pressurization part 3, so that the natural gas of the casing is pressurized. Similarly, when the fluid pressurizing part 3 is accessed with a medicament, the work flow is similar to the pressurizing process of natural gas.
The oil well pressurization gas collection and dosing integrated device comprises a reversing driving part 1, a pressure conduction part 2 and a fluid pressurization part 3; crude oil in an oil well oil pipe is led into the reversing driving part 1, the crude oil is further led into the first oil cavity 21 or the second oil cavity 26, the plunger slide block 22 is pushed to move by the pressure of the crude oil in the oil pipe, the first air cavity 23 or the second air cavity 25 is compressed, and compressed natural gas is conveyed back to the sleeve through the fluid pressurization part 3, so that the natural gas of the sleeve is pressurized; in addition, the four check valves of the fluid pressurizing part 3 are respectively connected with the first air cavity 23 and the second air cavity 25, medicine is added at the inlet end of the inlet pipeline 32, and the medicine can be pressurized and pushed into the sleeve by utilizing the driving force of crude oil pressure, so that the medicine adding operation of the sleeve is realized.
This application utilizes crude oil self pressure to provide drive power, can carry out the pressure boost to sleeve pipe natural gas and/or medicament to carry it to the sleeve pipe in, reached the purpose of this application. Meanwhile, the integrated reversing valve is low in cost due to the adoption of the integrated arrangement, automatic reversing can be achieved due to the arrangement of the reversing valve 10, manual operation is not needed, convenience and rapidness are achieved, and the integrated reversing valve is suitable for popularization and application in the industry.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (10)
1. An oil well pressurization gas collection and dosing integrated device is characterized by comprising a reversing driving part (1), a pressure conduction part (2) and a fluid pressurization part (3);
the reversing driving part (1) comprises a reversing valve (10), the reversing valve (10) is communicated with an oil pipe to be connected through an oil inlet (12), the reversing valve (10) is communicated with an oil outlet pipe to be connected through an oil outlet (11), the reversing valve (10) is connected with a first oil chamber (21) through a first hydraulic pipe (13) and a first reversing joint (17) which are sequentially connected, the reversing valve (10) is connected with a second oil chamber (26) through a second hydraulic pipe (14) and a second reversing joint (18) which are connected in sequence, the first plunger rod (171) and the second plunger rod (181) of the first reversing joint (17) and the second reversing joint (18) are arranged at the ends close to the first oil chamber (21) and the second oil chamber (26), the reversing valve (10) is communicated with the first oil chamber (21) and the second oil chamber (26) through a first connecting pipe (15) and a second connecting pipe (16) respectively;
the pressure conduction part (2) comprises a shell, a plunger slider (22) and a packing ring (24), the shell is divided into a first oil cavity (21), a first air cavity (23), a second oil cavity (26) and a second air cavity (25) by the plunger slider (22) and the packing ring (24), and the first air cavity (23) and the second air cavity (25) are respectively communicated with the fluid pressurization part (3) through a passage opening on the packing ring (24);
the fluid pressurizing part (3) comprises an inlet pipeline (32) and an outlet pipeline (31), the inlet conduit (32) being in communication with a first inlet check valve (34) and a second inlet check valve (36), the outlet conduit (31) being in communication with a first outlet non-return valve (33) and a second outlet non-return valve (35), said first inlet non-return valve (34) being connected to said first outlet non-return valve (33), the second inlet non-return valve (36) is connected to the second outlet non-return valve (35), the passage port of the isolating ring (24) connected with the first air chamber (23) is communicated with the outlet of the first inlet check valve (34) and the inlet of the first outlet check valve (33), and a passage port on the isolating ring (24) connected with the second air cavity (25) is communicated with inlets of the second inlet check valve (36) and the second outlet check valve (35).
2. The oil well pressurized gas collection and dosing integrated device according to claim 1, wherein the housing is cylindrical, the end of the plunger slider (22) in the sliding direction of the housing is cylindrical, and the middle of the plunger slider (22) tightly connected with the excluder ring (24) is cylindrical.
3. The oil well pressurized gas collection and medicine feeding integrated device according to claim 1, wherein the housing is rectangular parallelepiped, the end of the plunger slider (22) along the sliding direction of the housing is rectangular parallelepiped, and the middle of the plunger slider (22) tightly connected with the packing ring (24) is rectangular parallelepiped.
4. The oil well pressurized gas collection and medicine feeding integrated device according to claim 1, wherein the plunger slider (22) is of an I-shaped structure, the outer periphery of the end of the plunger slider (22) in the sliding direction of the casing is in tight contact with the inner wall of the casing, the middle of the plunger slider (22) is of a hollow tubular structure, and the outer wall of the middle of the plunger slider (22) is in tight contact with the inner annular wall of the excluder ring (24).
5. The oil well pressurized gas collection and medicine feeding integrated device according to claim 1, wherein the plunger slider (22) comprises a driving rod (27) and two sliding end portions, the outer peripheries of the sliding end portions are tightly connected with the inner wall of the shell, the driving rod (27) penetrates through the inner ring hole of the packing ring (24) to be hard connected with the two sliding end portions, and the outer wall of the driving rod (27) is tightly connected with the inner wall of the inner ring hole of the packing ring (24).
6. The oil well pressurized gas collection and dosing integrated device according to claim 1, wherein the housing and the excluder ring (24) are of an integrally formed structure, and the plunger slider (22) is of an integrally formed structure.
7. The oil well pressurized gas collection and dosing integrated device according to claim 1, wherein a sealing ring is arranged at a contact part of the shell and the plunger slide block (22), and a sealing ring is arranged at a contact part of the plunger slide block (22) and the packing ring (24).
8. The oil well pressurized gas collection and dosing integrated device according to claim 1, wherein the first and second reversing sections (17, 18) are provided with a first flow regulating valve (172) and a second flow regulating valve (182), respectively.
9. The oil well pressurized gas collection and dosing integrated device according to claim 1, wherein the housing further comprises a flange, a protruding portion is provided at a proximal end of a portion of the housing contacting the excluder ring (24), and the flange is fixedly connected with the protruding portions at two sides of the excluder ring (24).
10. The oil well pressurized gas collection and dosing integrated device according to claim 1, wherein an inlet three-way valve (38) is provided at the inlet end of the inlet pipe (32), and an outlet three-way valve (37) is provided at the outlet end of the outlet pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897702.7A CN110593821A (en) | 2019-09-23 | 2019-09-23 | Oil well pressure boost gas collection and medicine integrated device |
Applications Claiming Priority (1)
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