CN113266287A - Oil pumping device suitable for high oil-gas ratio - Google Patents

Oil pumping device suitable for high oil-gas ratio Download PDF

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Publication number
CN113266287A
CN113266287A CN202110529042.4A CN202110529042A CN113266287A CN 113266287 A CN113266287 A CN 113266287A CN 202110529042 A CN202110529042 A CN 202110529042A CN 113266287 A CN113266287 A CN 113266287A
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CN
China
Prior art keywords
oil
pressure relief
oil pumping
wire rope
pumping
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110529042.4A
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Chinese (zh)
Inventor
顾龙生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Ruiqi Chenlong Petroleum Technology Co ltd
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Shaanxi Ruiqi Chenlong Petroleum Technology Co ltd
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Publication date
Application filed by Shaanxi Ruiqi Chenlong Petroleum Technology Co ltd filed Critical Shaanxi Ruiqi Chenlong Petroleum Technology Co ltd
Priority to CN202110529042.4A priority Critical patent/CN113266287A/en
Publication of CN113266287A publication Critical patent/CN113266287A/en
Pending legal-status Critical Current

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    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/02—Valve arrangements for boreholes or wells in well heads

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The application discloses oil jack suitable for high oil-gas ratio installs in the oil well head, includes: the oil pumping device comprises a wellhead connecting pipe, an oil outlet is formed in one side of the wellhead connecting pipe, the lower end of the wellhead connecting pipe is connected with an oil well port through a first connecting flange, the upper end of the wellhead connecting pipe is connected with an oil pumping pipe through a second connecting flange, a mechanical sealing device is arranged at the joint of the oil pumping pipe and the wellhead connecting pipe, an oil pumping swab is arranged in the oil pumping pipe, an automatic pressure relief device is connected above the oil pumping swab, the oil pumping swab is connected with a steel wire rope, the steel wire rope penetrates through the automatic pressure relief device to be connected with a first steering wheel at the upper end of the oil pumping pipe, and the steel wire rope enters the automatic sealing device through the first steering wheel to be connected with a steel wire rope collecting device. The device of this application can guarantee to prevent sufficient sealing performance and realize the pressure release function of spouting when high oil gas ratio oil well operation, satisfies the safety ring ground exploitation operation demand of high oil gas ratio oil well.

Description

Oil pumping device suitable for high oil-gas ratio
Technical Field
The application relates to the field of petroleum drilling and production equipment, in particular to an oil pumping device suitable for high oil-gas ratio.
Background
The oil well head device is a key device for suspending a downhole tubing string and a casing string, sealing an annular space between the tubing string and the casing string to control production, reinjection and safety production of an oil and gas well.
The existing wellhead device has a simple structure, is poor in blowout prevention sealing performance, can cause certain pollution to the surrounding environment in the exploitation process, can only selectively stop exploitation and wait for slow release of pressure when encountering high oil-gas ratio oil well operation, and even can cause serious blowout accidents when encountering high oil-gas ratio operation. Whether the pressure is released after the production is stopped or the blowout accident happens, a great amount of loss of manpower, material resources and time is caused, and serious environmental pollution is caused. Under the environment with higher and higher environmental protection requirements nowadays, the blowout prevention sealing performance of the existing wellhead device cannot meet the existing requirements.
Disclosure of Invention
The invention aims to provide an oil pumping device suitable for high oil-gas ratio so as to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an oil pumping device suitable for high gas-oil ratio is installed in oil well head, includes: the oil pumping device comprises a wellhead connecting pipe, an oil outlet is formed in one side of the wellhead connecting pipe, the lower end of the wellhead connecting pipe is connected with an oil well port through a first connecting flange, the upper end of the wellhead connecting pipe is connected with an oil pumping pipe through a second connecting flange, a mechanical sealing device is arranged at the joint of the oil pumping pipe and the wellhead connecting pipe, an oil pumping swab is arranged in the oil pumping pipe, an automatic pressure relief device is connected above the oil pumping swab, the oil pumping swab is connected with a steel wire rope, the steel wire rope penetrates through the automatic pressure relief device to be connected with a first steering wheel at the upper end of the oil pumping pipe, and the steel wire rope enters the automatic sealing device through the first steering wheel to be connected with a steel wire rope collecting device.
Preferably, a valve and a pressure gauge are arranged at the oil outlet.
Preferably, the mechanical sealing device is a single-arm blowout-preventing sealing gate valve structure.
Preferably, the oil pumping device further comprises a wellhead protection device, the wellhead protection device is a metal rod support, the support abuts against the steel wire rope collection device and the ground, and the angle between the metal rod support and the ground is 45 degrees.
Preferably, the automatic sealing device comprises a hollow cavity, an upper stopper and a lower stopper are arranged at two ends of the cavity, only an upper sealing plug is arranged on the upper stopper, a lower sealing plug is arranged on the lower stopper, and a through hole is formed in the side wall between the upper sealing plug and the lower sealing plug.
Preferably, the automatic pressure relief device comprises a cavity of an internal control part, pressure relief through holes are formed in two sides of the cavity, a pressure relief channel is formed between each pressure relief through hole and the corresponding pressure relief device shell, a pressure sensing device is arranged in each pressure relief channel, an annular blowout preventer is arranged above the cavity, and the lower side of the cavity is connected with the oil pumping sucker through a conical connecting piece.
Preferably, the wire rope collecting device includes: the rope winding device comprises a shell, wherein a steering wheel is arranged in the shell, an inlet and an outlet are formed in the surface of the shell, a rope winding channel is formed in the shell along the inlet through the steering wheel to the outlet, a sealing device is arranged at the outlet, and an oil outlet is formed in the bottom of the shell. Preferably, the sealing device comprises a base and a pressing device arranged on the base, and a sealing rope-collecting channel is arranged in the base.
Compared with the prior art, the invention has the beneficial effects that: having set up and having prevented spouting the valve, the automatic pressure relief device of swab, the automatic sealing device of swab, three sets of systems cooperate, have promoted the leakproofness with prevent the blowout nature, can realize the safe exploitation to high oil gas ratio oil well, are provided with grease proofing device that falls to the ground at the rear end simultaneously, have reduced the pollution to the environment, and adapting unit adopts the high strength forging, long service life, and operating condition is stable.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an oil pumping device suitable for high gas-oil ratio according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an automatic sealing device for a high gas-oil ratio oil pumping unit according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an automatic pressure relief device for an oil pumping unit with a high gas-oil ratio according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a wire rope handpiece device of an oil pumping unit suitable for high gas-oil ratio according to an embodiment of the present invention;
the diagram is as follows in sequence: 1. a first steering wheel; 2. an automatic pressure relief device; 3. pumping oil and pumping oil; 4. a mechanical seal 5, an oil outlet; 6. a wellhead of the oil well; 7. an automatic sealing device; 8. a wire rope collection device housing; 9. a sealing device of the steel wire rope collecting device; 10. a wellhead protection device; 11. a first connecting flange; 12. a second attachment flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail 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 embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-4, an oil pumping device suitable for high gas-oil ratio is installed at a wellhead, and comprises: the oil-out 5 has been seted up to well head connecting pipe one side, well head connecting pipe lower extreme through first flange 11 with oil well head 6 links to each other, well head connecting pipe upper end links to each other with the oil pumping pipe through second flange 12, oil pumping pipe is provided with mechanical seal device with well head connecting pipe junction, be provided with oil pumping swab 3 in the oil pumping pipe, oil pumping swab 3 top is connected with automatic pressure relief device 2, oil pumping swab 3 is connected with wire rope, wire rope passes automatic pressure relief device 3 and links to each other with first directive wheel 1 of oil pumping pipe upper end, wire rope gets into automatic seal device 7 through first directive wheel 1 and links to each other with wire rope collection device.
Preferably, a valve and a pressure gauge are arranged at the oil outlet 5 and used for detecting the pressure in the pipe in real time.
Preferably, the mechanical sealing device 4 is a single-arm blowout-preventing sealing gate valve structure, is simple in structure and prevents blowout accidents.
Preferably, the oil pumping device further comprises a wellhead protection device 10, the wellhead protection device 10 is a metal rod support, the support abuts against the steel wire rope collection device and the ground, and the angle between the metal rod support and the ground is 45 degrees; the wellhead protection device 10, the ground and the oil pumping device form a triangular structure, so that the overall stability of the device is improved, and the dumping accident in the oil pumping process is avoided.
Referring to fig. 2, the automatic sealing device includes a hollow cavity 701, an upper stopper 702 and a lower stopper 706 are disposed at two ends of the cavity, only an upper sealing plug 703 is disposed on the upper stopper 702, a lower sealing plug 705 is disposed on the lower stopper 706, and a through hole 7 is disposed on a sidewall between the upper sealing plug 703 and the lower sealing plug 705. The upper sealing plug 703 and the lower sealing plug 705 are rubber seals of a conical structure. The upper 703 and lower 705 plugs are made of hard HA70 abrasion resistant nitrile rubber. The inner wall of the cavity is attached with soft sealing rubber, so that the sealing performance of the inner cavity is improved. The upper stopper 702 is a tapered metal block with a gradually narrowing structure from bottom to top, and the lower stopper 706 is a cylindrical metal block with an opening at the center. The narrowing structure of the upper limiting stopper 702 is attached to the conical upper sealing plug 703, the sliding is smoother, the lower limiting stopper 706 is in a cylindrical design, the movement of the lower sealing plug 705 can be effectively limited, the through hole 7 is connected with the cylinder, the movement of the upper sealing plug and the lower sealing plug in the cylinder piston pushing device keeps the constant pressure of 0.5kg in the inner cavity, the sealing plug and the steel wire rope are ensured to be in a completely tight contact state all the time, and oil is effectively prevented from flying out of a gap of the steel wire rope.
Referring to fig. 3, the automatic pressure relief device comprises a cavity 201 of an internal central control, pressure relief through holes are formed in two sides of the cavity 201, a pressure relief channel is formed between each pressure relief through hole and a pressure relief device shell, a pressure sensing device is arranged in each pressure relief channel, an annular blowout preventer 202 is arranged above the cavity, and the lower side of the cavity is connected with an oil pumping swab through a conical connecting piece 206. The conical connecting piece 206 is hollow, a first blowout prevention ball 207 is arranged at the air inlet at the bottom of the conical connecting piece 206, and a second blowout prevention ball 205 is arranged at the air outlet at the top of the conical connecting piece 206. When the air pressure is too high, the air pressure in turn blows the first blowout preventer ball 207 and the second blowout preventer ball 205 up through the tapered link 206 into the automatic pressure relief device for pressure relief. The pressure sensing device comprises: pressure release spring 204 and pressure release ball 203, pressure release ball 203 links to each other with automatic pressure relief device casing through pressure release spring 204, pressure release channel has both sides to middle aperture grow gradually and forms the pressure release space, pressure release ball 203 can be reciprocating motion in the pressure release space. The pressure relief spring 204 abuts against the pressure relief ball 203 so that the pressure relief ball 203 is matched with the through hole in the pressure relief channel; when the pressure in the pressure relief device is too high, the pressure relief ball 203 moves to the middle section of the pressure relief space, and the air pressure is exchanged with the gap of the pressure relief channel through the pressure relief ball 203 to achieve the purpose of pressure relief. The pressure value of the pressure relief device is adjusted by adjusting the pressure relief spring 204. The diameter of the pressure relief ball is smaller than or equal to the aperture of the two sides of the pressure relief channel.
Preferably, the wire rope collecting device includes: the rope winding device comprises a shell 8, wherein a second steering wheel 801 is arranged inside the shell, an inlet and an outlet are formed in the surface of the shell 8, a rope winding channel is formed inside the shell along the inlet and passes through the second steering wheel 801 to the outlet, a sealing device 9 is arranged at the outlet, and an oil outlet is formed in the bottom of the shell. Said sealing means 9 comprises: the rope winding device comprises a base 905 and a pressing device 901 installed on the base, wherein a sealed rope winding channel is arranged inside the base 905. A first sealing element 903 and a second sealing element 904 are sequentially arranged along the sealed rope collecting channel, and a fastener 902 is arranged between the first sealing element 903 and the second sealing element 904.
Compared with the prior art, the invention has the beneficial effects that: having set up and having prevented spouting the valve, the automatic pressure relief device of swab, the automatic sealing device of swab, three sets of systems cooperate, have promoted the leakproofness with prevent the blowout nature, can realize the safe exploitation to high oil gas ratio oil well, are provided with grease proofing device that falls to the ground at the rear end simultaneously, have reduced the pollution to the environment, and adapting unit adopts the high strength forging, long service life, and operating condition is stable.
It is noted that, herein, 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 a process, method, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.

Claims (8)

1. The utility model provides an oil jack suitable for high oil-gas ratio installs in the oil well head, its characterized in that: the method comprises the following steps: the oil pumping device comprises a wellhead connecting pipe, an oil outlet is formed in one side of the wellhead connecting pipe, the lower end of the wellhead connecting pipe is connected with an oil well port through a first connecting flange, the upper end of the wellhead connecting pipe is connected with an oil pumping pipe through a second connecting flange, a mechanical sealing device is arranged at the joint of the oil pumping pipe and the wellhead connecting pipe, an oil pumping swab is arranged in the oil pumping pipe, an automatic pressure relief device is connected above the oil pumping swab, the oil pumping swab is connected with a steel wire rope, the steel wire rope penetrates through the automatic pressure relief device to be connected with a first steering wheel at the upper end of the oil pumping pipe, and the steel wire rope enters the automatic sealing device through the first steering wheel to be connected with a steel wire rope collecting device.
2. The oil well pumping device suitable for high gas-oil ratio of claim 1, wherein: and a valve and a pressure gauge are arranged at the oil outlet.
3. The oil well pumping device suitable for high gas-oil ratio of claim 1, wherein: the mechanical sealing device is a single-arm blowout-preventing sealing gate valve structure.
4. The oil well pumping device suitable for high gas-oil ratio of claim 1, wherein: the oil pumping device further comprises a wellhead protection device which is a metal rod support, the support abuts against the steel wire rope collecting device and the ground, and the angle between the metal rod support and the ground is 45 degrees.
5. The oil pumping device suitable for the high oil-gas ratio as claimed in claim 1, wherein the automatic sealing device comprises a hollow cavity, an upper stopper and a lower stopper are arranged at two ends of the cavity, only an upper sealing plug is arranged on the upper stopper, a lower sealing plug is arranged on the lower stopper, and a through hole is arranged on a side wall between the upper sealing plug and the lower sealing plug.
6. The oil well pumping device suitable for high gas-oil ratio of claim 1, wherein: the automatic pressure relief device comprises a cavity of an internal control part, pressure relief through holes are formed in two sides of the cavity, a pressure relief channel is formed between each pressure relief through hole and the corresponding pressure relief device shell, a pressure sensing device is arranged in each pressure relief channel, an annular blowout preventer is arranged above the cavity, and the lower side of the cavity is connected with the oil pumping sucker through a conical connecting piece.
7. The oil well pumping device suitable for high gas-oil ratio of claim 1, wherein: the wire rope collection device includes: the rope winding device comprises a shell, wherein a steering wheel is arranged in the shell, an inlet and an outlet are formed in the surface of the shell, a rope winding channel is formed in the shell along the inlet through the steering wheel to the outlet, a sealing device is arranged at the outlet, and an oil outlet is formed in the bottom of the shell.
8. The oil well pumping device suitable for high gas-oil ratio of claim 7, wherein:
the sealing device comprises a base and a pressing device arranged on the base, and a sealing rope winding channel is arranged in the base.
CN202110529042.4A 2021-05-14 2021-05-14 Oil pumping device suitable for high oil-gas ratio Pending CN113266287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110529042.4A CN113266287A (en) 2021-05-14 2021-05-14 Oil pumping device suitable for high oil-gas ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110529042.4A CN113266287A (en) 2021-05-14 2021-05-14 Oil pumping device suitable for high oil-gas ratio

Publications (1)

Publication Number Publication Date
CN113266287A true CN113266287A (en) 2021-08-17

Family

ID=77231209

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110529042.4A Pending CN113266287A (en) 2021-05-14 2021-05-14 Oil pumping device suitable for high oil-gas ratio

Country Status (1)

Country Link
CN (1) CN113266287A (en)

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