CN117072120B - Movable wellhead casing gas recovery device - Google Patents
Movable wellhead casing gas recovery device Download PDFInfo
- Publication number
- CN117072120B CN117072120B CN202311046261.2A CN202311046261A CN117072120B CN 117072120 B CN117072120 B CN 117072120B CN 202311046261 A CN202311046261 A CN 202311046261A CN 117072120 B CN117072120 B CN 117072120B
- Authority
- CN
- China
- Prior art keywords
- gas
- oil
- pipe
- assembly
- storage tank
- Prior art date
- 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.)
- Active
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 79
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 170
- 239000003921 oil Substances 0.000 description 91
- 230000006872 improvement Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- 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
-
- 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
- E21B43/34—Arrangements for separating materials produced by the well
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0335—Check-valves or non-return valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0341—Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0391—Arrangement of valves, regulators, filters inside the pressure vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/031—Air
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention relates to the technical field of wellhead casing gas recovery, in particular to a movable wellhead casing gas recovery device. The oil gas storage and sealing device comprises a flange connection wellhead sleeve, wherein a pipe gas connection conveying assembly is arranged on the surface of the flange connection wellhead sleeve and used for driving oil gas to be transported in a wellhead, and an oil gas storage and sealing assembly is connected to the surface of the pipe gas connection conveying assembly; according to the invention, the oil gas output by the pipe gas connection conveying assembly is resisted through the oil gas storage sealing assembly, when the oil gas is impacted, the oil gas is separated from the gas, the pipe gas connection conveying assembly is prevented from absorbing the oil gas, the pipe gas connection conveying assembly is prevented from absorbing a large amount of oil gas, the quality of the internal storage of the gas storage sealing assembly is influenced, meanwhile, when the oil gas is collected to a certain capacity, the oil gas storage sealing assembly can plug the air suction port of the pipe gas connection conveying assembly, and the phenomenon that the oil gas is too close to the pipe gas connection conveying assembly in the oil gas storage sealing assembly is avoided.
Description
Technical Field
The invention relates to the technical field of wellhead casing gas recovery, in particular to a movable wellhead casing gas recovery device.
Background
Currently, in the production process of an oil production well, a production oil layer is adjusted according to the production change of the oil well, and a mechanical method is generally adopted to seal off a stoping oil layer. When the pressure in the shaft is lower than the saturation pressure, natural gas in crude oil is separated from the crude oil, and the natural gas which is not extracted rises to the upper part of the oil sleeve annular space due to different oil-gas specific gravity, so that a certain pressure is formed at the wellhead, and the pressure is called sleeve pressure.
For wellhead casing gas recovery, there are many prior art techniques, such as:
The utility model discloses a China patent publication No. CN216950326U discloses an oil field wellhead gas sleeve pipe associated gas recovery unit, relate to oil field associated gas recovery technical field, including the wellhead sleeve pipe, wellhead sleeve pipe's top is provided with the connecting trachea, connecting tracheal top is provided with the collection box, the both sides of collection box all are provided with communicating pipe, the inside of communicating pipe is provided with the intercommunication and inserts the pipe, through setting up gas separation box and grafting limiting plate, during the use, need peg graft the inside at the removal arc wall with grafting limiting plate and fix, thereby install the gas separation box in the both sides of collection box, carry out the collection of associated gas by the collection box, along with the associated gas continuously enter into the collection box in the back, a portion of associated gas will enter into the inside of gas separation box, thereby the volume of retrieving associated gas has been increased, personnel's number of times of getting gas has been reduced, greatly reduced personnel's work load, and the installation step is simple and easy, personnel's operation of being convenient for.
Therefore, the oil gas recovery is provided with the storage tank, the problem that the oil collection quantity is too small exists on the surface in the collection process, the oil gas quantity inside the sleeve cannot be determined, the condition that the cost is too high and the oil gas yield of the sleeve is too low exists when the oil tank truck is used regularly for recovery, but when the oil gas is conveyed inside the storage tank, the oil gas enters the gas storage tank along with the air valve when the oil gas storage quantity is too large, the gas storage tank is polluted, secondary oil gas separation is required to be carried out again, and meanwhile, when the gas is inside the gas storage tank, the gas contains a plurality of impurities, the gas is required to be filtered, and the gas cannot be filtered in time inside a pipeline, so that the efficiency is low.
In view of this, the present invention provides a mobile wellhead casing gas recovery device.
Disclosure of Invention
The invention aims to provide a movable wellhead casing gas recovery device which aims to solve the problems in the background technology.
In order to achieve the above object, the invention provides a mobile wellhead casing gas recovery device, which comprises a flange connection wellhead casing, wherein a pipe gas connection conveying component is arranged on the surface of the flange connection wellhead casing and is used for driving oil gas to be transported in a wellhead, a gas storage sealing component is connected to the surface of the pipe gas connection conveying component, the oil gas is transmitted to the gas storage sealing component through the pipe gas connection conveying component, the gas storage sealing component is used for storing the oil gas, when the oil gas is stored too much, a transmission pipeline of the pipe gas connection conveying component is sealed, so that the oil gas is limited in the gas storage sealing component, the pipe gas connection conveying component is used for filtering the gas by extracting and transmitting the gas in the oil gas storage sealing component to the gas storage sealing component, and when the gas is extracted from the gas storage sealing component, the output pipeline of the pipe gas connection conveying component is sealed, and unfiltered gas is blocked.
As a further improvement of the technical scheme, the pipe gas connection conveying assembly comprises an oil pump, the oil pump is in closed connection with a flange connection wellhead sleeve port, and the other end of the oil pump is connected with a first pipeline.
As a further improvement of the technical scheme, the oil gas storage sealing assembly comprises a first storage tank, the first storage tank is communicated with a first pipeline, a first supporting rod is installed in the first storage tank, a connecting cylinder is connected to the surface of the first supporting rod in a sliding mode, and a splash baffle is installed on the surface of the connecting cylinder.
As a further improvement of the technical scheme, a first elastic piece is arranged in the connecting cylinder, the other end of the first elastic piece is connected with a first movable sealing ball, and a second elastic piece is arranged on the surface of the first supporting rod.
As a further improvement of the technical scheme, the other end of the second elastic piece is connected with a pushing plate, the pushing plate drives the connecting cylinder to transversely move through elasticity generated by the second elastic piece, and the first movable sealing ball is pushed to vertically move and fit to the top of the first storage tank through elasticity generated by the first elastic piece.
As a further improvement of the technical scheme, a second pipeline is arranged at the top of the first storage tank, the other end of the second pipeline is communicated with an air pump, and the surface of the air pump is communicated with a third pipeline.
As a further improvement of the technical scheme, the gas preservation and sealing assembly comprises a second storage tank, the second storage tank is communicated with a third pipeline, a second supporting rod is mounted in the second storage tank, and a second movable sealing ball is connected in the second supporting rod in a sliding mode.
As a further improvement of the technical scheme, a third elastic piece is arranged in the second supporting rod, the other end of the third elastic piece is connected with a pushing block, the pushing block pushes the second movable sealing ball to vertically move through elastic force generated by the third elastic piece, and the second movable sealing ball is attached to the top of the second storage tank, so that a transmission channel between the third pipeline and the second storage tank is interrupted.
As a further improvement of the technical scheme, the connecting rod is arranged at the bottom of the second movable sealing ball, the first filter plate is arranged at the bottom of the connecting rod, the second filter plate is arranged in the second storage tank, the collecting box is arranged on the surface of the second storage tank, and the outlet valves are arranged at the bottoms of the first storage tank and the second storage tank.
Compared with the prior art, the invention has the beneficial effects that:
1. in the movable wellhead casing gas recovery device, the wellhead is connected through the flange connection wellhead casing, so that the oil gas is prevented from leaking in the transmission process, the oil gas is transmitted to the inside of the oil gas storage and sealing assembly and the inside of the gas storage and sealing assembly through the pipe gas connection and transmission assembly, and meanwhile, in the transmission process, the gas and the oil are separated, so that the gas is independently transmitted to the inside of the gas storage and sealing assembly, the quality of the oil gas during recovery is improved, and meanwhile, the time required by secondary oil gas separation is shortened;
2. In the movable wellhead casing gas recovery device, oil gas output by the pipe gas connection conveying assembly is resisted through the oil gas storage sealing assembly, when the oil gas is impacted, oil and gas are separated, the pipe gas connection conveying assembly is prevented from absorbing a large amount of oil bodies, the quality of internal storage of the gas storage sealing assembly is influenced, meanwhile, when the oil gas is collected to a certain capacity, the oil gas storage sealing assembly can plug an air suction port of the pipe gas connection conveying assembly, the phenomenon that the oil gas is too close to the pipe gas connection conveying assembly in the oil gas storage sealing assembly, the oil enters the inside of an output pipeline of the pipe gas connection conveying assembly, the inside of the gas storage sealing assembly enters the oil bodies is caused, and the purity of the gas in the gas storage sealing assembly is influenced is avoided;
3. In this portable well head sleeve pipe gas recovery unit, save through gas and seal and deposit the subassembly and filter gas, make the higher gas of purity receive the extraction of tank wagon preferentially, extrude the filter plate layer simultaneously, avoid the filter plate layer to absorb too much and appear blocking up, will be when stopping gas transmission simultaneously, seal the gas port of pipe gas connection conveying assembly, avoid the higher gas of impurity to mix when the tank wagon is taken out.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the oil pump structure of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2A according to the present invention;
fig. 4 is a schematic diagram of the structure of fig. 2B according to the present invention.
The meaning of each reference sign in the figure is:
11. the flange is connected with a wellhead sleeve;
20. The pipe gas is connected with the conveying component; 21. an oil pump; 22. a first pipe; 23. a second pipe; 24. an air extracting pump; 25. a third conduit;
30. An oil and gas storage closure assembly; 31. a first storage tank; 32. a first support bar; 33. a connecting cylinder; 34. a splash baffle; 35. a first elastic member; 36. a first movable closing ball; 37. a second elastic member; 38. a pushing plate; 39. an outlet valve;
40. A gas preservation and sealing assembly; 41. a second storage tank; 42. a second support bar; 43. a second movable closing ball; 44. a third elastic member; 45. a pushing block; 46. a connecting rod; 47. a first filter plate; 48. a second filter plate; 49. and (5) collecting a box.
Detailed Description
Example 1
All have the holding vessel when the oil gas is retrieved, there is the too little problem of collection oil mass on the surface in collecting process, the inside oil gas volume of sleeve pipe can not confirm, the periodic use tank wagon is retrieved and can exist the cost too high, the too low condition of sleeve pipe oil gas output, but when carrying oil gas to the holding vessel is inside, when oil gas stock is too much, lead to oil gas to get into gaseous holding vessel together along with the pneumatic valve, lead to gaseous holding vessel inside to receive the pollution, need carry out secondary oil gas separation again, it is comparatively troublesome, simultaneously when gaseous in gaseous holding vessel is inside, because gaseous contains many impurity, need filter it, gaseous existence pipeline is inside, unable in time filter it, the efficiency is lower.
Referring to fig. 1-4, an objective of the present embodiment is to provide a mobile wellhead casing gas recovery device, which includes a flange connected wellhead casing 11, a pipe gas connection and conveying assembly 20 is disposed on the surface of the flange connected wellhead casing 11, the pipe gas connection and conveying assembly 20 is used for driving oil gas to be transported in the wellhead, the pipe gas connection and conveying assembly 20 is connected with a gas storage and sealing assembly 30 on the surface, the pipe gas connection and conveying assembly 20 is connected with a gas storage and sealing assembly 40 on the surface, the oil gas is transported to the oil gas storage and sealing assembly 30 through the pipe gas connection and conveying assembly 20, the oil gas storage and sealing assembly 30 is used for storing the oil gas, and when the oil gas is stored too much, the transportation pipeline of the pipe gas connection and conveying assembly 20 is sealed, so that the oil gas is limited in the oil gas storage and sealing assembly 30, the pipe gas connection and conveying assembly 20 is used for filtering the gas by pumping the gas in the oil gas storage and sealing assembly 40, and sealing the output pipeline of the pipe gas connection and conveying assembly 20 is blocked when the gas is pumped from the gas storage and sealing assembly 40.
The improvement of the embodiment is that: the wellhead is connected through the flange connection wellhead sleeve 11, so that leakage of oil gas in the transmission process is avoided, the oil gas is transmitted to the inside of the oil gas storage and sealing assembly 30 and the inside of the gas storage and sealing assembly 40 through the pipe gas connection conveying assembly 20, and meanwhile, in the transmission process, the gas and the oil are separated, so that the gas is independently transmitted to the inside of the gas storage and sealing assembly 40, and meanwhile, the time required by secondary oil-gas separation is reduced;
The oil gas output by the pipe gas connection conveying assembly 20 is resisted through the oil gas storage sealing assembly 30, when the oil gas is impacted, oil and gas are separated, the pipe gas connection conveying assembly 20 is prevented from being absorbed, the pipe gas connection conveying assembly 20 is prevented from absorbing a large amount of oil bodies, meanwhile, after the oil gas is collected to a certain capacity, the oil gas storage sealing assembly 30 can plug an air suction port of the pipe gas connection conveying assembly 20, the phenomenon that the oil gas is too close to the pipe gas connection conveying assembly 20 in the oil gas storage sealing assembly 30, the oil enters the output pipeline of the pipe gas connection conveying assembly 20, the inside of the gas storage sealing assembly 40 enters the oil bodies, and the purity of the gas in the gas storage sealing assembly 40 is influenced is avoided;
The gas is filtered through the gas preservation and sealing component 40, so that the gas with higher purity is preferentially extracted by the tank truck, the filter plate layer is extruded simultaneously, excessive absorption of the filter plate layer is avoided, blocking is avoided, and meanwhile, when gas transmission is stopped, the gas transmission port of the pipe gas connection conveying component 20 is sealed, so that the gas with higher impurities is prevented from being mixed in when the tank truck is pumped.
The pipe gas connection conveying assembly 20 comprises an oil pump 21, the oil pump 21 is in closed connection with a port of the flange connection wellhead sleeve 11, the other end of the oil pump 21 is connected with a first pipeline 22, the oil gas storage closed assembly 30 comprises a first storage tank 31, the first storage tank 31 is communicated with the first pipeline 22, a first supporting rod 32 is installed in the first storage tank 31, the surface of the first supporting rod 32 is slidably connected with a connecting cylinder 33, and a splash baffle 34 is installed on the surface of the connecting cylinder 33;
The connecting cylinder 33 is internally provided with a first elastic piece 35, the other end of the first elastic piece 35 is connected with a first movable sealing ball 36, the surface of the first supporting rod 32 is provided with a second elastic piece 37, the other end of the second elastic piece 37 is connected with a pushing plate 38, the pushing plate 38 drives the connecting cylinder 33 to transversely move through elasticity generated by the second elastic piece 37, the first movable sealing ball 36 is pushed by elasticity generated by the first elastic piece 35 to vertically move and fit to the top of the first storage tank 31, the top of the first storage tank 31 is provided with a second pipeline 23, the other end of the second pipeline 23 is communicated with an air pump 24, and the surface of the air pump 24 is communicated with a third pipeline 25;
The gas preservation and sealing assembly 40 comprises a second storage tank 41, the second storage tank 41 is communicated with a third pipeline 25, a second support rod 42 is mounted in the second storage tank 41, a second movable sealing ball 43 is slidably connected in the second support rod 42, a third elastic piece 44 is mounted in the second support rod 42, the other end of the third elastic piece 44 is connected with a pushing block 45, the pushing block 45 pushes the second movable sealing ball 43 to vertically move through elastic force generated by the third elastic piece 44, the second movable sealing ball 43 is attached to the top of the second storage tank 41, thereby interrupting a transmission channel between the third pipeline 25 and the second storage tank 41, a connecting rod 46 is mounted at the bottom of the second movable sealing ball 43, a first filter plate 47 is mounted at the bottom of the connecting rod 46, a second filter plate 48 is mounted in the second storage tank 41, a collecting box 49 is mounted on the surface of the second storage tank 41, and outlet valves 39 are mounted at the bottoms of the first storage tank 31 and the second storage tank 41.
To sum up, the working principle of the scheme is as follows: when the oil body needs to be recycled, the flange connection wellhead sleeve 11 is connected with a wellhead output pipeline, then the oil pump 21 is started to work, the oil pump 21 works to convey oil gas from the wellhead output pipeline to the first pipeline 22, the oil gas is conveyed to the inside of the first storage tank 31 through the first pipeline 22, the oil gas generates thrust to push the splash baffle 34 while being input, the splash baffle 34 is pushed to drive the connecting cylinder 33 to slide in the first supporting rod 32, meanwhile, the first movable sealing ball 36 is in contact with the first storage tank 31 to squeeze the first elastic piece 35, and the first elastic piece 35 is compressed by extrusion, so that the first movable sealing ball 36 transversely moves to release the sealing of the bottom of the second pipeline 23;
then, the oil gas hits the splash baffle 34, and simultaneously, the air pump 24 is started to work, the air pump 24 works to pump the air from the second pipeline 23 to the inside of the air pump 24, then the air is conveyed from the third pipeline 25 to the inside of the second storage tank 41, when the air is conveyed to the inside of the second storage tank 41, the air is conveyed to generate thrust, the second movable sealing ball 43 is pushed to move downwards, the second movable sealing ball 43 moves downwards to enable the third elastic piece 44 to be compressed by extrusion, so that the sealing of the second movable sealing ball 43 to the bottom of the third pipeline 25 is released, then the second movable sealing ball 43 moves downwards and simultaneously drives the connecting rod 46 to move downwards, the connecting rod 46 moves downwards to drive the first filter plate 47 to move downwards to be attached with the second filter plate 48, and then the second filter plate 48 is extruded, so that impurities absorbed by the second filter plate 48 are discharged into the collecting box 49;
then when oil and gas are required to be pumped, the operation of the oil pump 21 and the air pump 24 is stopped firstly, when the operation of the oil pump 21 and the air pump 24 is stopped, the thrust received by the splash baffle 34 and the second movable sealing ball 43 is released, then the pushing plate 38 generates elastic force to push the connecting cylinder 33 to move, the first elastic piece 35 generates elastic force to push the first movable sealing ball 36 to move upwards to be attached to the bottom of the second pipeline 23 while the connecting cylinder 33 moves, so that the bottom of the second pipeline 23 is sealed, then the third elastic piece 44 generates elastic force to push the pushing block 45 to move upwards, the pushing block 45 moves upwards to enable the second movable sealing ball 43 to move upwards to be attached to the bottom of the third pipeline 25, the bottom of the third pipeline 25 is sealed, and finally the tank truck pipeline is connected to the outlet valve 39.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a portable well head sleeve pipe gas recovery unit which characterized in that: the oil-gas storage and transportation device comprises a flange connection wellhead sleeve (11), wherein a pipe-gas connection and transportation assembly (20) is arranged on the surface of the flange connection wellhead sleeve (11), the pipe-gas connection and transportation assembly (20) is used for driving oil gas to be transported in a wellhead, an oil-gas storage and transportation sealing assembly (30) is connected to the surface of the pipe-gas connection and transportation assembly (20), a gas storage and transportation sealing assembly (40) is connected to the surface of the pipe-gas connection and transportation assembly (20), the oil gas is transported to the oil-gas storage and transportation sealing assembly (30) through the pipe-gas connection and transportation assembly (20), the oil gas is stored, and when the oil gas is stored excessively, a transportation pipeline of the pipe-gas connection and transportation assembly (20) is sealed, so that the oil gas is limited in the oil-gas storage and transportation sealing assembly (30), the pipe-gas connection and transportation assembly (20) is used for pumping and transporting the gas in the gas storage and sealing assembly (40), and when the gas is pumped from the gas storage and transportation sealing assembly (40), the output pipeline is blocked, and the gas is not blocked;
The pipe gas connection conveying assembly (20) comprises an oil pump (21), the oil pump (21) is in closed connection with a port of a flange connection wellhead sleeve (11), and the other end of the oil pump (21) is connected with a first pipeline (22);
The oil gas storage sealing assembly (30) comprises a first storage tank (31), wherein the first storage tank (31) is communicated with a first pipeline (22), a first supporting rod (32) is arranged in the first storage tank (31), a connecting cylinder (33) is connected to the surface of the first supporting rod (32) in a sliding mode, a splash baffle (34) is arranged on the surface of the connecting cylinder (33), a first elastic piece (35) is arranged in the connecting cylinder (33), a first movable sealing ball (36) is connected to the other end of the first elastic piece (35), a second elastic piece (37) is arranged on the surface of the first supporting rod (32), a pushing plate (38) is connected to the other end of the second elastic piece (37), the pushing plate (38) drives the connecting cylinder (33) to move transversely through elastic force generated by the second elastic piece (37), and the first movable sealing ball (36) is pushed to move vertically through elastic force generated by the first elastic piece (35) to be attached to the top of the first storage tank (31);
The gas preservation and sealing assembly (40) comprises a second storage tank (41), the second storage tank (41) is communicated with a third pipeline (25), a second supporting rod (42) is mounted inside the second storage tank (41), a second movable sealing ball (43) is connected inside the second supporting rod (42) in a sliding mode, a third elastic piece (44) is mounted inside the second supporting rod (42), the other end of the third elastic piece (44) is connected with a pushing block (45), the pushing block (45) pushes the second movable sealing ball (43) to vertically move through elastic force generated by the third elastic piece (44), and the second movable sealing ball (43) is attached to the top of the second storage tank (41), so that a transmission channel between the third pipeline (25) and the second storage tank (41) is interrupted.
2. The mobile wellhead casing gas recovery device of claim 1, wherein: the top of the first storage tank (31) is provided with a second pipeline (23), the other end of the second pipeline (23) is communicated with an air pump (24), and the surface of the air pump (24) is communicated with a third pipeline (25).
3. The mobile wellhead casing gas recovery device of claim 1, wherein: connecting rod (46) are installed to second removal seal ball (43) bottom, first filter (47) are installed to connecting rod (46) bottom, second holding vessel (41) internally mounted has second filter (48), second holding vessel (41) surface mounting has collecting box (49), outlet valve (39) are all installed to first holding vessel (31) and second holding vessel (41) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311046261.2A CN117072120B (en) | 2023-08-18 | 2023-08-18 | Movable wellhead casing gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311046261.2A CN117072120B (en) | 2023-08-18 | 2023-08-18 | Movable wellhead casing gas recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117072120A CN117072120A (en) | 2023-11-17 |
| CN117072120B true CN117072120B (en) | 2024-06-25 |
Family
ID=88711066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311046261.2A Active CN117072120B (en) | 2023-08-18 | 2023-08-18 | Movable wellhead casing gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117072120B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118481576B (en) * | 2024-06-05 | 2024-10-18 | 江苏丰泰流体机械科技有限公司 | Oil field oil well casing gas recovery device and process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826594A (en) * | 2019-01-28 | 2019-05-31 | 河北宏龙环保科技有限公司 | Casing gas collection device and application method |
| CN110846066A (en) * | 2020-01-15 | 2020-02-28 | 山东华网智能科技股份有限公司 | Well head sleeve pipe associated gas recovery unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204899882U (en) * | 2015-08-31 | 2015-12-23 | 张琼 | Oil field oil well sleeve pipe gas collection device |
| CN214836280U (en) * | 2021-07-30 | 2021-11-23 | 刘国良 | Oil recovery well head sleeve pipe vapor recovery unit |
| CN216950326U (en) * | 2022-04-07 | 2022-07-12 | 安徽胜新压缩机有限公司 | Oil field well head gas sleeve pipe associated gas recovery unit |
-
2023
- 2023-08-18 CN CN202311046261.2A patent/CN117072120B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826594A (en) * | 2019-01-28 | 2019-05-31 | 河北宏龙环保科技有限公司 | Casing gas collection device and application method |
| CN110846066A (en) * | 2020-01-15 | 2020-02-28 | 山东华网智能科技股份有限公司 | Well head sleeve pipe associated gas recovery unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117072120A (en) | 2023-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117072120B (en) | Movable wellhead casing gas recovery device | |
| CN110242262A (en) | A kind of casing gas recycles and drives the Increasing Production and Energy Saving device of crude oil extraction | |
| CN102297336A (en) | Multistage compressing and recovering device for natural gas in oil-well casing of oil field | |
| CN202152915U (en) | Multi-stage gas compression and recovery device for oil well casing in oil field | |
| CN201858156U (en) | Two-stage medium-pressure screw rod type air compressor unit | |
| CN106734135A (en) | It is applied to the double pump multiphase extraction device and its control method of soil and groundwater remediation | |
| CN218859317U (en) | Gas discharge device for oil and gas storage and transportation | |
| CN207647499U (en) | A kind of oil well supercharging casing gas recovering device | |
| CN207209022U (en) | A kind of liquid is filled with and suctioned out equipment | |
| CN210264639U (en) | Liquid drainage device of liquid-containing low-yield oil-gas well | |
| CN214886989U (en) | Negative pressure gas production device | |
| CN201714356U (en) | Casing gas recovery device for oil well in oil field | |
| CN212801913U (en) | Vacuum pump sewage suction truck capable of preventing sludge from flowing back | |
| CN211422621U (en) | Multiphase mixed-transportation hydraulic device for gas well pressurization | |
| CN210622776U (en) | Casing gas recovery and crude oil extraction driving yield increasing and energy saving device | |
| CN219481590U (en) | Liquid seal prevention oil discharge device for regeneration of waste lubricating oil | |
| CN206693962U (en) | Drill hole of drilling machine slag-draining device | |
| CN209575944U (en) | A kind of simple mud and water separating equipment | |
| CN212774256U (en) | Combined type oil-gas separation device | |
| CN220595900U (en) | Anti-drip device of garbage compression truck | |
| CN219734998U (en) | Small-capacity CO2 liquid storage tank split charging system | |
| CN220257259U (en) | Mechanism for inserting type automatic ejecting and fixing filtering device | |
| CN211886137U (en) | Can reduce collection device of chlorobenzene tank field volatile matter | |
| CN215259244U (en) | Oil field well head gas and on-vehicle combustible gas recovery system that volatilizees | |
| CN212296791U (en) | Compressor for preventing oil leakage to outside of machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |