CN110344794B - Underground injection device of oil exploitation system - Google Patents
Underground injection device of oil exploitation system Download PDFInfo
- Publication number
- CN110344794B CN110344794B CN201910538614.8A CN201910538614A CN110344794B CN 110344794 B CN110344794 B CN 110344794B CN 201910538614 A CN201910538614 A CN 201910538614A CN 110344794 B CN110344794 B CN 110344794B
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- Prior art keywords
- oil
- pumping pipe
- oil well
- side wall
- oil pumping
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 239000003921 oil Substances 0.000 claims abstract description 120
- 238000005086 pumping Methods 0.000 claims abstract description 67
- 239000003129 oil well Substances 0.000 claims abstract description 49
- 239000013043 chemical agent Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000003814 drug Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 2
- 238000011084 recovery Methods 0.000 claims 1
- 239000010779 crude oil Substances 0.000 abstract description 9
- 239000003208 petroleum Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 244000309464 bull Species 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention belongs to the technical field of oil exploitation, in particular to an underground injection device of an oil exploitation system, aiming at the problem of uneven stirring of the existing chemical agent and oil, the invention provides the following scheme, which comprises an oil well and an oil well sealing cover plate, wherein the oil well sealing cover plate is fixedly arranged at an opening at the upper end of the oil well, an oil pumping pipe is fixedly arranged in the oil well, the outer side wall of the oil pumping pipe is fixedly connected with the inner side wall of the oil well through a plurality of groups of oil pumping pipe supporting arms which are symmetrical in position and are uniformly distributed, one oil pumping pipe supporting arm is fixedly provided with a rotating motor, the oil well sealing cover plate is provided with a first control switch matched with the rotating motor, the output shaft of the rotating motor penetrates through the side wall of the oil pumping pipe and is inwardly and fixedly connected with a rotating rod, the invention can ensure that the chemical agent and crude oil are mixed more uniformly, the device ensures that the crude oil can not be blocked in the oil pumping pipe, improves the exploitation efficiency of the crude oil and has very high practicability.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to an underground injection device of an oil exploitation system.
Background
Is a viscous, dark brown liquid called "industrial blood". The upper part of the crust has oil storage. The main component is the mixture of various alkanes and cycloalkanes, and the petroleum can be used for refining fuel oil such as gasoline, kerosene, diesel oil and the like and lubricating oil required by various machines, but the crude oil can not flow into a shaft from a stratum due to high viscosity and overlarge oil layer seepage resistance; in the process of flowing crude oil from a well bottom to a well head, the viscosity of the crude oil is further increased due to depressurization, degassing and heat dissipation and temperature reduction, the normal operation of the crude oil is seriously influenced, the thick oil has poor fluidity, and the exploitation difficulty is large.
In the prior art, most of the produced oil is subjected to a shaft viscosity reduction technology, wherein the shaft chemical viscosity reduction technology refers to a technology for producing thick oil and high-viscosity oil by doping a chemical agent into a shaft fluid, so that the viscosity of the fluid is reduced, however, in the actual production process, a traditional underground injection device of an oil production system cannot fully mix the chemical agent into the oil fluid in an oil pumping pipe, so that some oil is not mixed with the chemical agent, the oil which is not mixed with the chemical agent has high adhesion with the side wall of the oil pumping pipe and is easy to adhere to the side wall of the oil pumping pipe, the oil pumping pipe is easy to block due to long-time accumulation, the oil pumping equipment is overloaded, mechanical damage is caused, safety accidents can be caused even, and the life safety of oil production personnel is threatened.
Disclosure of Invention
The invention provides an underground injection device of an oil exploitation system, which solves the problem that a chemical agent cannot be fully mixed with petroleum fluid in an oil pumping pipe to cause the blockage of the oil pumping pipe.
In order to achieve the purpose, the invention adopts the following technical scheme:
the underground injection device of the oil exploitation system comprises an oil well and an oil well sealing cover plate, wherein the oil well sealing cover plate is fixedly arranged at an opening at the upper end of the oil well, an oil pumping pipe is fixedly arranged in the oil well, the outer side wall of the oil pumping pipe and the inner side wall of the oil well are fixedly connected through a plurality of groups of oil pumping pipe supporting arms which are symmetrical in position and are uniformly distributed, one oil pumping pipe supporting arm is fixedly provided with a rotating motor, the oil well sealing cover plate is provided with a first control switch matched with the rotating motor, an output shaft of the rotating motor penetrates through the side wall of the oil pumping pipe and is fixedly connected with a rotating rod inwards, the outer part of one side of the oil pumping pipe, which is far away from the rotating motor, is also fixedly provided with a chemical agent storage box, the oil well sealing cover plate is provided with a feeding funnel, the feeding funnel is communicated with the chemical agent storage box through a first connecting pipe, and a pressure pump is arranged in the chemical agent storage box, the oil well sealing cover plate is provided with a second control switch matched with a pressure pump, the inner side wall of the oil pumping pipe is fixedly provided with a main rod matched with a chemical agent storage box, one end of the main rod, far away from the inner side wall of the oil pumping pipe, is rotatably connected with a rotary table, the rotary table is of a hollow structure, one side wall, far away from the main rod, of the rotary table is fixedly connected with a rotary rod, the main rod is fixedly provided with a first circular gear, the first circular gear is positioned in the rotary table, one side wall, far away from the main rod, of the rotary table is rotatably connected with a plurality of auxiliary rods which are symmetrical in position and are uniformly distributed, each auxiliary rod is fixedly provided with a corresponding second circular gear, the second circular gear is positioned in the rotary table, the second circular gear is meshed with the first circular gear, each auxiliary rod is also fixedly provided with a plurality of stirring blades which are uniformly distributed and are symmetrical in position, and the stirring blades are positioned between the outer side wall of the rotary table and the inner side wall of the oil pumping pipe, the utility model discloses a chemical agent storage box, including the bull stick, the bull stick is equipped with the stirring leaf of a plurality of evenly distributed and position symmetry equally fixed on the bull stick, and the bull stick is hollow structure, the fixed medicine hole that goes out that is equipped with a plurality of evenly distributed of bull stick lateral wall, every go out the downthehole corresponding check valve that all fixes being provided with of medicine, chemical agent bin and bull stick inner chamber pass through the second connecting pipe intercommunication, the intraductal lateral wall of oil pumping still fixes being equipped with the oil-well pump, the subaerial fixed third control switch who matches with the oil-well pump that is equipped with.
Preferably, a layer of sealing gasket with uniform thickness is arranged at the joint of the rotary table and the rotary rod.
Preferably, the oil well sealing cover plate is further fixedly provided with an air storage tank, a connector is arranged between the air storage tank and the inner cavity of the oil pumping pipe, a matched one-way vent valve is arranged in the connector, an air outlet is formed in the upper side wall of the air storage tank, and a blocking plug matched with the air outlet is fixedly arranged in the air outlet.
Preferably, be equipped with the oil storage chamber in the first circular gear, be equipped with lubricating oil in the oil storage chamber, and first circular gear lateral wall is equipped with a plurality of oil outlets.
Preferably, the outer surface of each supporting arm is plated with an anti-corrosion plating layer.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the plurality of control switches are arranged on the oil well sealing cover plate, so that the exploitation equipment can be directly operated on the ground, the operation is simpler and more convenient, and the exploitation efficiency of petroleum is improved.
2. According to the invention, the chemical agent storage box is arranged on the side wall of the oil pumping pipe, the plurality of groups of auxiliary rods and the rotating rods are arranged on the side wall in the oil pumping pipe, and the auxiliary rods are driven to rotate by the rotation of the rotating rods, so that the chemical agents sprayed out through the check valve and the chemical agents in the oil pumping pipe are mixed more uniformly, all petroleum in the oil pumping pipe is ensured to be mixed with the chemical agents, the bonding degree of the petroleum in the oil pumping pipe is reduced, the petroleum is ensured not to be accumulated in the oil pumping pipe, and the petroleum is prevented from being blocked.
Compared with the traditional underground injection device of the oil exploitation system, the chemical agent and the oil in the oil pumping pipe can be uniformly mixed, the pumping rate of the oil is improved, the damage of blocking the oil pumping pipe and damaging mechanical equipment is avoided, the production cost is lowered through phase change, and the chemical agent and the oil pumping pipe have high practicability.
Drawings
FIG. 1 is a schematic structural diagram of a downhole injection device of an oil production system according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic diagram of a rotary table top view of a downhole injection device of an oil production system according to the present invention;
fig. 4 is a schematic structural diagram of a section of a rotating rod of a downhole injection device of an oil production system according to the present invention.
In the figure: the oil well pressure-bearing device comprises an oil well 1, an oil well sealing cover plate 2, an oil pumping pipe 3, an oil pumping pipe supporting arm 4, a rotating motor 5, a chemical agent storage tank 6, a pressure pump 7, a first connecting pipe 8, a material adding funnel 9, an air storage tank 10, a one-way vent valve 11, a main rod 12, a rotary table 13, a rotary rod 14, a first circular gear 15, a second circular gear 16, an auxiliary rod 17, a stirring blade 18 and a one-way valve 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, an underground injection device of an oil exploitation system comprises an oil well 1 and an oil well sealing cover plate 2, the oil well sealing cover plate 2 is fixedly arranged at an opening at the upper end of the oil well 1, a gas storage tank 10 is also fixedly arranged on the oil well 1 sealing cover, a connecting port is arranged between the gas storage tank 10 and an inner cavity of an oil pumping pipe 3, a matched one-way vent valve 11 is arranged in the connecting port, in the process that oil moves from the bottom end of the oil well 1 to the opening at the upper end of the oil well 1, the gas pressure is gradually reduced, a part of oil is mixed in the air and is upwards pressed to the upper end of the oil pumping pipe 3 by oil fluid, because the air contains oil cost, the application is wide, the underground injection device can be applied to other fields, the gas storage tank 10 can be used for collecting the part of gas for the next time, resources are saved, the environmental pollution is reduced, and the gas is prevented from directly entering the atmosphere, the arrangement of the one-way vent valve 11 ensures that the gas containing petroleum components can enter the gas storage box 10, the upper side wall of the gas storage box 10 is provided with a gas outlet, and a blocking plug matched with the gas outlet is fixedly arranged in the gas outlet;
an oil pumping pipe 3 is fixedly arranged in the oil well 1, the outer side wall of the oil pumping pipe 3 is fixedly connected with the inner side wall of the oil well 1 through a plurality of groups of oil pumping pipe supporting arms 4 which are symmetrical in position and are uniformly distributed, the outer surface of each oil pumping pipe supporting arm is plated with an anti-corrosion coating, the oil pumping pipe supporting arm 5 plays a main supporting role for the oil pumping pipe 3, the oil pumping pipe 3 is viscous and has higher quality with crude oil in the working process, the outer surface of the oil pumping pipe supporting arm 4 is coated with a layer of anti-corrosion coating which can corrode the oil pumping pipe supporting arm 4, so that the service life of the utility model is prolonged, a rotating motor 5 is fixedly arranged on one oil pumping pipe supporting arm 4, a first control switch matched with the rotating motor 5 is arranged on the oil well sealing cover plate 2, the output shaft of the rotating motor 5 penetrates through the side wall of the oil pumping pipe 3 and is fixedly connected with a rotating rod 14 inwards, and a chemical agent storage box 6 is fixedly arranged outside one side of the oil pumping pipe 3 away from the rotating motor 5, the oil well sealing cover plate 2 is provided with a feeding funnel 9, the feeding funnel 9 is communicated with a chemical agent storage tank 6 through a first connecting pipe 8, a pressure pump 7 is arranged in the chemical agent storage tank 6, the oil well sealing cover plate 2 is provided with a second control switch matched with the pressure pump 7, the inner side wall of the oil pumping pipe 3 is fixedly provided with a main rod 12 matched with the chemical agent storage tank 6, one end, far away from the inner side wall of the oil pumping pipe 3, of the main rod 12 is rotatably connected with a rotary table 13, the rotary table 13 is of a hollow structure, one side wall, far away from the main rod 12, of the rotary table 13 is fixedly connected with a rotary rod 14, a layer of sealing gasket with uniform thickness is arranged at the joint of the rotary table 13 and the rotary rod 14, and the sealing gasket can prevent chemical agents in the second connecting pipe from being spilled out;
the main rod 12 is fixedly provided with a first circular gear 15, the first circular gear 15 is positioned in the rotary table 13, an oil storage cavity is arranged in the first circular gear 15, lubricating oil is arranged in the oil storage cavity, the side wall of the first circular gear 15 is provided with a plurality of oil outlets, the oil storage cavity is arranged on the first circular gear 15, when the first circular gear 15 and the second circular gear 16 rotate relatively, the lubricating oil in the oil storage cavity gradually lubricates the teeth of the first circular gear 15 and the second circular gear 16 through the oil outlets, so that the service lives of the first circular gear 15 and the second circular gear 16 are prolonged, the first circular gear 15 and the second circular gear 16 are ensured to work for a period of time without rusting and being automatically locked, the stirring effect is influenced, further the exploitation of petroleum is influenced, the side wall of the rotary table 13, which is far away from the main rod 12, is rotatably connected with a plurality of auxiliary rods 17 which are symmetrical in position and are uniformly distributed, and each auxiliary rod 17 is fixedly provided with a corresponding second circular gear 16, the second circular gear 16 is located the revolving stage 13, and the second circular gear 16 sets up with the meshing of first circular gear 15, still fixed stirring leaf 18 that is provided with multiunit evenly distributed and position symmetry on every auxiliary rod 17, stirring leaf 18 is located between revolving stage 13 lateral wall and the 3 inside walls of oil pumping pipe, the last stirring leaf 18 that is equipped with a plurality of evenly distributed and position symmetry of same fixed being equipped with of revolving bar 14, and revolving bar 14 is hollow structure, the fixed medicine hole that is equipped with a plurality of evenly distributed of revolving bar 14 lateral wall, every medicine hole is gone out all to be fixed being provided with corresponding check valve 19, chemical storage tank 6 and the inner chamber of revolving bar 14 pass through the second connecting pipe intercommunication, 3 inside walls of oil pumping pipe still fixed being equipped with the oil-well pump, subaerial fixed being equipped with the third control switch that matches with the oil-well pump.
In the invention, after sufficient chemical agent is added into a chemical agent storage tank 6 through a material adding hopper 9, a third control switch is started, an oil pump arranged in an oil pumping pipe 3 starts to pump crude oil, then a first control switch is started, a rotating motor 5 fixedly arranged on an oil pumping pipe supporting arm 4 starts to work, an output shaft of the rotating motor rotates along with the rotating motor, a rotating rod 14 is fixedly connected between the output shaft of the rotating motor and a rotating platform 13, so that the rotating platform 13 is driven to rotate by the rotation of the output shaft of the rotating motor, a first circular gear 15 sleeved on a main rod 12 does not rotate along with the rotating platform 13 because the main rod 12 is fixedly connected with the inner side wall of the oil pumping pipe 3, a second circular gear 16 fixedly arranged on an auxiliary rod 17 rotates relative to the first circular gear 15 while the auxiliary rod 17 rotatably connected with the rotating rod 14 rotates along with the rotating platform 13, so as to drive the auxiliary rod 17 to rotate, the stirring blade 18 on the auxiliary rod 17 rotates to stir the petroleum, then the second control switch is started, the pressure pump 7 arranged in the chemical agent storage tank 6 starts to work, the chemical agent in the chemical agent storage tank 6 is pressed into the inner cavity of the rotating rod 14 through the second connecting pipe, then the oil is sprayed into the oil through the one-way valve 19, so that the oil and the chemical agent are uniformly mixed, the oil is ensured not to be blocked in the oil pumping pipe 3, the chemical agent can be continuously added into the feeding funnel 9 in the oil pumping process, because the lower end of the feeding funnel 9 is communicated with the chemical agent storage tank 6 through the first connecting pipe 8, the chemical agent flows into the chemical agent storage tank 6 under the action of self gravity, thereby ensuring that the chemical agent storage tank 6 always contains enough chemical agent and ensuring that the mining effect is not influenced by insufficient chemical agent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The underground injection device of the oil exploitation system comprises an oil well (1) and an oil well sealing cover plate (2), wherein the oil well sealing cover plate (2) is fixedly arranged at an opening at the upper end of the oil well (1), the underground injection device is characterized in that an oil pumping pipe (3) is fixedly arranged in the oil well (1), oil pumping pipe supporting arms (4) which are symmetrical in multiple groups of positions and are uniformly distributed are fixedly connected between the outer side wall of the oil pumping pipe (3) and the inner side wall of the oil well (1), a rotating motor (5) is fixedly arranged on one of the oil pumping pipe supporting arms (4), a first control switch matched with the rotating motor (5) is arranged on the oil well sealing cover plate (2), an output shaft of the rotating motor (5) penetrates through the inner side wall of the oil pumping pipe (3) and is inwardly and fixedly connected with a rotating rod (14), and a chemical agent storage box (6) is further fixedly arranged outside one side, far away from the rotating motor (5), of the oil pumping pipe (3), be equipped with on the sealed apron of oil well (2) and add material funnel (9), add material funnel (9) and chemical bin (6) and communicate through first connecting pipe (8), and be equipped with force (forcing) pump (7) in chemical bin (6), be equipped with the second control switch who matches with force (forcing) pump (7) on the sealed apron of oil well (2), take out oil pipe (3) inside wall fixed be provided with mobile jib (12) that match with chemical bin (6), the one end rotation that oil pipe (3) inside wall was kept away from to mobile jib (12) is connected with revolving stage (13), revolving stage (13) are hollow structure, one side lateral wall and revolving stage (14) fixed connection of mobile jib (12) are kept away from to revolving stage (13), fixed being provided with first round gear (15) on mobile jib (12), and first round gear (15) are located revolving stage (13), one side lateral wall that mobile jib (12) were kept away from to revolving stage (13) rotates and is connected with vice pole (17) of a plurality of position symmetry and evenly distributed, every all fixed second circular gear (16) that is provided with corresponding on vice pole (17), second circular gear (16) are located revolving stage (13), and second circular gear (16) and first circular gear (15) meshing setting, every still fixed stirring leaf (18) that is provided with multiunit evenly distributed and position symmetry on vice pole (17), stirring leaf (18) are located between revolving stage (13) lateral wall and oil extraction pipe (3) inside wall, the stirring leaf (18) of a plurality of evenly distributed and position symmetry are fixed to being equipped with on revolving stage (14) equally, and revolving stage (14) are hollow structure, the fixed medicine hole that is equipped with a plurality of evenly distributed of revolving stage (14) lateral wall, every medicine hole all fixed be provided with corresponding check valve (19), the chemical agent storage box (6) is communicated with the inner cavity of the rotating rod (14) through a second connecting pipe, an oil well pump is further fixedly arranged on the inner side wall of the oil pumping pipe (3), and a third control switch matched with the oil well pump is fixedly arranged on the ground.
2. A downhole injection device for an oil extraction system according to claim 1, wherein a sealing gasket of uniform thickness is provided at the junction of the rotary table (13) and the rotary rod (14).
3. The downhole injection device of the oil exploitation system according to claim 1, wherein a gas storage tank (10) is further fixedly arranged on the oil well sealing cover plate (2), a connection port is arranged between the gas storage tank (10) and the inner cavity of the oil pumping pipe (3), a matched one-way vent valve (11) is arranged in the connection port, an air outlet is arranged on the side wall of the gas storage tank (10), and a stopper matched with the air outlet is fixedly arranged in the air outlet.
4. The downhole injection apparatus of an oil recovery system according to claim 1, wherein an oil storage chamber is provided in the first circular gear (15), the oil storage chamber is provided with lubricating oil, and the side wall of the first circular gear (15) is provided with a plurality of oil outlet holes.
5. The downhole injection apparatus of claim 1, wherein the outer surface of each support arm is coated with an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538614.8A CN110344794B (en) | 2019-06-20 | 2019-06-20 | Underground injection device of oil exploitation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538614.8A CN110344794B (en) | 2019-06-20 | 2019-06-20 | Underground injection device of oil exploitation system |
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| Publication Number | Publication Date |
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| CN110344794A CN110344794A (en) | 2019-10-18 |
| CN110344794B true CN110344794B (en) | 2022-02-22 |
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| CN201910538614.8A Active CN110344794B (en) | 2019-06-20 | 2019-06-20 | Underground injection device of oil exploitation system |
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| CN110924914B (en) * | 2019-11-25 | 2021-12-07 | 徐州路帮德制造有限公司 | Underground injection device for reducing viscosity of petroleum exploitation |
| CN112160739B (en) * | 2020-10-19 | 2022-08-09 | 湖北爱国石化有限公司 | Oil-gas separator for petrochemical industry capable of effectively discharging dirt |
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| CA2486137C (en) * | 2004-11-23 | 2012-11-27 | Larry Saik | Mobile slurrying and cleaning system for residual oil contaminated sand |
| CN204200177U (en) * | 2014-09-30 | 2015-03-11 | 于春兰 | Producing well dosing and note adopt integrated device |
| CN205063901U (en) * | 2015-10-24 | 2016-03-02 | 曹飞 | Oil well tubular column electromagnetic pulse wax -proof equipment |
| CN208302568U (en) * | 2018-04-11 | 2019-01-01 | 盐城工业职业技术学院 | A kind of dope dyeing mixing agitator |
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