CN217783455U - Blowout prevention device for oil and gas exploitation - Google Patents

Blowout prevention device for oil and gas exploitation Download PDF

Info

Publication number
CN217783455U
CN217783455U CN202221506479.2U CN202221506479U CN217783455U CN 217783455 U CN217783455 U CN 217783455U CN 202221506479 U CN202221506479 U CN 202221506479U CN 217783455 U CN217783455 U CN 217783455U
Authority
CN
China
Prior art keywords
oil
hole
pressure regulating
plugging plate
plugging
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
Application number
CN202221506479.2U
Other languages
Chinese (zh)
Inventor
岳军文
杨恒
张建勋
别小飞
郭启文
孙明闯
李广生
安益智
林萌
张书军
邓书军
张高清
张亚莉
靳航
张震
李平辉
李仁杰
王一彤
陈祖国
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.)
Guizhou Yuneng Investment Co ltd
Henan Energy And Chemical Industry Group Co ltd
Henan Provincial Coal Seam Gas Development And Utilization Co ltd
Yonggui Energy Development Co ltd Xintian Coal Mine
Henan Gas Treat Res Inst Co ltd
Original Assignee
Guizhou Yuneng Investment Co ltd
Henan Energy And Chemical Industry Group Co ltd
Henan Provincial Coal Seam Gas Development And Utilization Co ltd
Yonggui Energy Development Co ltd Xintian Coal Mine
Henan Gas Treat Res Inst Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guizhou Yuneng Investment Co ltd, Henan Energy And Chemical Industry Group Co ltd, Henan Provincial Coal Seam Gas Development And Utilization Co ltd, Yonggui Energy Development Co ltd Xintian Coal Mine, Henan Gas Treat Res Inst Co ltd filed Critical Guizhou Yuneng Investment Co ltd
Priority to CN202221506479.2U priority Critical patent/CN217783455U/en
Application granted granted Critical
Publication of CN217783455U publication Critical patent/CN217783455U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses an oil gas exploitation is with preventing blowout device, include with the drilling around fixed connection's mount pad, be located on the mount pad and with the first through-hole of drilling intercommunication, be located the upper surface of mount pad and the ascending mounting groove of opening, still including being located the mounting groove and being used for the shutoff mechanism of the first through-hole of shutoff and drilling, be located the top of shutoff mechanism and communicate with shutoff mechanism and carry out the oil extraction pressure regulating mechanism who adjusts to the pressure in the drilling, the utility model discloses the setting of shutoff mechanism is convenient for carry out the quick shutoff of drilling through the push rod motor, avoids manual operation slowly and misses the optimum time of control blowout, alleviates work burden simultaneously, and the setting of oil extraction pressure regulating mechanism is convenient for discharge spun oil gas simultaneously to the regulation of drilling pressure.

Description

Blowout prevention device for oil and gas exploitation
Technical Field
The utility model relates to an oil gas exploitation technical field, concretely relates to oil gas exploitation is with preventing blowout device.
Background
In the process of oil and gas exploitation and drilling, blowout, which is a phenomenon that fluid in a stratum is sprayed out of the ground or flows into other strata in the well, occurs mostly in the field of oil and gas exploitation. The blowout accident appears, if meet the mars after the natural gas blowout, can take place the burning, consequently very dangerous, spun fluid can pollute the environment on every side simultaneously, consequently need prevent the blowout processing to the oil well head.
The conventional blowout prevention device needs to manually close the housing, so that the labor intensity of workers is increased, manual closing is not fast enough and timely, difficulty is brought to field well closing operation, the optimal time for controlling blowout is easily missed, the risk of blowout or pollution accidents is high, and the using effect is influenced.
It is therefore a considerable problem to provide a blowout preventer for oil and gas production which facilitates closing of the borehole and which facilitates adjustment of the pressure in the borehole.
Disclosure of Invention
In order to solve the deficiencies existing in the prior art, the utility model aims at providing a be convenient for with the well drilling closed and be convenient for adjust the oil and gas exploitation of well drilling internal pressure with preventing blowout device.
The purpose of the utility model is realized like this:
the utility model provides an oil gas exploitation is with preventing blowout device, includes the mount pad with fixed connection around the well drilling, be located the mount pad and with the first through-hole of well drilling intercommunication, be located the upper surface of mount pad and the ascending mounting groove of opening, still including be located the mounting groove and be used for the shutoff mechanism of first through-hole of shutoff and well drilling, be located the top of shutoff mechanism and with the shutoff mechanism intercommunication and carry out the oil extraction pressure regulating mechanism that adjusts the pressure in the well drilling, shutoff mechanism is including being located the left first shutoff board of mounting groove, being located the second shutoff board on first shutoff board right side, being used for making first shutoff board at the first actuating mechanism that the horizontal direction removed, being used for making second shutoff board at the second actuating mechanism that the horizontal direction removed, being located the second through-hole on first shutoff board, being located the third through-hole on the second shutoff board, second through-hole and third through-hole all are connected with oil extraction pressure regulating mechanism and are used for adjusting the pressure of well drilling and discharge spun oil gas simultaneously.
The first driving mechanism comprises a first push rod motor fixedly connected with the mounting groove, the telescopic end of the first push rod motor is fixedly connected with the left side face of the first blocking plate, the second driving mechanism comprises a second push rod motor fixedly connected with the mounting groove, and the telescopic end of the second push rod motor is fixedly connected with the right side face of the second blocking plate.
The oil discharge pressure regulating mechanism comprises a cylinder body communicated with the second through hole or the third through hole, a cover body located at the top of the cylinder body, an oil discharge pipe located on the side face of the cylinder body and communicated with the inside of the cylinder body, a pressure regulating assembly used for regulating the pressure of drilling, and a connecting seat located on the outer side face of the lower portion of the cylinder body, wherein a fourth through hole is arranged at the bottom of the cylinder body and communicated with the second through hole or the third through hole.
The pressure regulating assembly comprises a screw rod, a connecting block and a pressure regulating block, wherein the bottom of the screw rod penetrates through the threaded connection between the cover body and the cover body, the connecting block is connected with the bottom of the screw rod through a bearing, the pressure regulating block is connected with the lower surface of the connecting block through a spring, and the side surface of the pressure regulating block is in sealing contact with the inner surface of the barrel.
And a rubber layer is arranged on the outer side surface of the pressure regulating block.
Be equipped with reinforcing mechanism on first shrouding and the second shrouding, reinforcing mechanism is located the front and back both sides of first shrouding and is connected with the front and back side of mounting groove, and reinforcing mechanism is located the front and back both sides of second shrouding and is connected with the front and back both sides face of mounting groove.
The reinforcing mechanism comprises a first reinforcing block fixedly connected with the front side surface and the rear side surface of the first plugging plate, a second reinforcing block fixedly connected with the front side surface and the rear side surface of the second plugging plate, and reinforcing rods, wherein the two ends of the reinforcing rods are fixedly connected with the left side surface and the right side surface of the mounting groove respectively, and the first reinforcing block and the second reinforcing block are sleeved on the reinforcing rods and move in the length direction of the reinforcing rods.
The reinforcing rods are arranged in two numbers, and the two reinforcing rods are respectively located on the front side and the rear side of the first plugging plate and the second plugging plate.
Has the positive and beneficial effects that: the utility model discloses the setting of shutoff mechanism is convenient for the quick shutoff of well drilling through the push rod motor, avoids manual operation slow and miss the optimum time of control blowout, alleviates work burden simultaneously, and the setting of oil extraction pressure regulating mechanism is convenient for discharge spun oil gas simultaneously to the regulation of well drilling internal pressure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural view of the oil discharge pressure regulating mechanism of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken along the line A-A;
in the figure, the following steps are carried out: the oil-gas separation device comprises a mounting seat 1, a first through hole 2, a mounting groove 3, a plugging mechanism 4, an oil discharge pressure regulating mechanism 5, a reinforcing mechanism 6, a first plugging plate 41, a second plugging plate 42, a first push rod motor 43, a second push rod motor 44, a second through hole 45, a third through hole 46, a cylinder body 51, a cover body 52, an oil discharge pipe 53, a connecting seat 54, a screw rod 55, a connecting block 56, a spring 57, a pressure regulating block 58, a fourth through hole 59, a reinforcing rod 61, a first reinforcing block 62 and a second reinforcing block 63.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1 and 2, a blowout prevention device for oil and gas exploitation comprises an installation seat 1 fixedly connected with the periphery of a drilling well, a first through hole 2 located on the installation seat 1 and communicated with the drilling well, an installation groove 3 located on the upper surface of the installation seat 1 and provided with an upward opening, a plugging mechanism 4 located in the installation groove 3 and used for plugging the first through hole 2 and the drilling well, an oil discharge and pressure regulation mechanism 5 located above the plugging mechanism 4 and communicated with the plugging mechanism 4 and used for regulating the pressure in the drilling well, and the arrangement of the plugging mechanism is convenient for quickly plugging the drilling well, so that the problem that the manual operation is slow and the optimal time for controlling the blowout is missed is avoided, the work load is reduced, the arrangement of the oil discharge and pressure regulation mechanism is convenient for regulating the pressure in the drilling well, and the ejected oil and gas is discharged; the plugging mechanism 4 comprises a first plugging plate 41 positioned on the left side of the mounting groove 3, a second plugging plate 42 positioned on the right side of the first plugging plate 41, a first driving mechanism used for enabling the first plugging plate 41 to move in the horizontal direction, a second driving mechanism used for enabling the second plugging plate 42 to move in the horizontal direction, a second through hole 45 positioned on the first plugging plate 41, and a third through hole 46 positioned on the second plugging plate 42, wherein the second through hole 45 and the third through hole 46 are connected with an oil discharge pressure regulating mechanism and used for regulating the pressure in the drilling well and discharging sprayed oil gas at the same time. The first driving mechanism comprises a first push rod motor 43 fixedly connected with the mounting groove 3, the telescopic end of the first push rod motor 43 is fixedly connected with the left side face of the first blocking plate 41, the second driving mechanism comprises a second push rod motor 44 fixedly connected with the mounting groove 3, the telescopic end of the second push rod motor 44 is fixedly connected with the right side face of the second blocking plate 42, when a blowout phenomenon occurs in the drilling process, the first push rod motor 43 and the second push rod motor 44 are started, the first push rod motor 43 drives the first blocking plate 41 to move rightwards, meanwhile, the second push rod motor 44 drives the second blocking plate 42 to move leftwards, when the right side face of the first blocking plate 41 is in sealing contact with the left side face of the second blocking plate 42, the first push rod motor 43 and the second push rod motor 44 stop working, the moving speeds of the first blocking plate 41 and the second blocking plate 42 are increased, the drilling blocking efficiency is improved, and the working burden of workers is relieved.
As shown in fig. 3 and 4, the oil discharge pressure regulating mechanisms 5 are two, two oil discharge pressure regulating mechanisms 5 are respectively located on the second through hole 45 and the third through hole 46, each oil discharge pressure regulating mechanism 5 comprises a cylinder body 51 communicated with the second through hole 45 or the third through hole 46, a cover body 52 located at the top of the cylinder body 51, an oil discharge pipe 53 located on the side surface of the cylinder body 51 and communicated with the inside of the cylinder body 51, a pressure regulating assembly used for regulating drilling pressure, and a connecting seat 54 located on the outer side surface of the lower portion of the cylinder body 51, wherein a fourth through hole 59 is formed in the bottom of the cylinder body 51, the fourth through hole 59 is communicated with the second through hole 45 or the third through hole 46, the inner surface of the cover body 52 is detachably connected with the outer surface of the cylinder body 51 through threads, the connecting seat 54 is fixedly connected with the first blocking plate 41 or the second blocking plate 42 through a bolt assembly, when the pressure in the drilling needs to be regulated, the regulation of the drilling can be realized through the pressure regulating assembly, oil gas in the drilling can be discharged through the oil discharge pipe 53, and the oil gas storage tank at the other end of the oil discharge pipe 53 is communicated with the oil storage tank or the internal pressure storage tank. The pressure regulating assembly comprises a screw 55, the bottom of which penetrates through the cover body 52 and is in threaded connection with the cover body 52, a connecting block 56 connected with the bottom of the screw 55 through a bearing, and a pressure regulating block 58 connected with the lower surface of the connecting block 56 through a spring 57, wherein the side surface of the pressure regulating block 58 is in sealing contact with the inner surface of the cylinder body 51. The outer side surface of the pressure regulating block 58 is provided with a rubber layer to enhance the sealing performance between the pressure regulating block 58 and the inner surface of the cylinder 51, when the pressure in the drilling well is high, namely oil gas pushes the pressure regulating block 58 to move upwards, the pressure regulating block 58 extrudes and moves upwards, when the pressure regulating block 58 moves upwards and is positioned above the joint of the oil discharge pipe 53 and the cylinder 51, the oil gas is discharged through the oil discharge pipe 53, then the screw 54 is screwed, the screw 54 is in threaded connection with the cover body 52, the screw 54 moves downwards, the connecting block 56 and the screw 54 synchronously move downwards, the spring 57 is extruded by the connecting block, the pressure regulating block 58 is extruded downwards by the spring 57, the pressure regulating block 58 moves to the lower part of the oil discharge pipe 53, and when the pressure regulating block 58 continues to move downwards, the pressure on the drilling well is increased, and the adjustment of the drilling well pressure is completed.
Example 2
As shown in fig. 1 and 2, a blowout prevention device for oil and gas exploitation comprises an installation seat 1 fixedly connected with the periphery of a drilling well, a first through hole 2 located on the installation seat 1 and communicated with the drilling well, an installation groove 3 located on the upper surface of the installation seat 1 and provided with an upward opening, a plugging mechanism 4 located in the installation groove 3 and used for plugging the first through hole 2 and the drilling well, an oil discharge and pressure regulation mechanism 5 located above the plugging mechanism 4 and communicated with the plugging mechanism 4 and used for regulating the pressure in the drilling well, and the arrangement of the plugging mechanism is convenient for quickly plugging the drilling well, so that the problem that the manual operation is slow and the optimal time for controlling the blowout is missed is avoided, the work load is reduced, the arrangement of the oil discharge and pressure regulation mechanism is convenient for regulating the pressure in the drilling well, and the ejected oil and gas is discharged; plugging mechanism 4 is including being located the left first plugging plate 41 of mounting groove 3, be located the second plugging plate 42 on first plugging plate 41 right side, a first actuating mechanism for making first plugging plate 41 remove at the horizontal direction, a second actuating mechanism for making second plugging plate 42 remove at the horizontal direction, be located second through-hole 45 on first plugging plate 41, be located the third through-hole 46 on the second plugging plate 42, second through-hole 45 hole and third through-hole 46 all are connected with oil extraction pressure regulating mechanism and are used for adjusting the pressure in the drilling and discharge spun oil gas simultaneously. The first driving mechanism comprises a first push rod motor 43 fixedly connected with the mounting groove 3, the telescopic end of the first push rod motor 43 is fixedly connected with the left side face of the first plugging plate 41, the second driving mechanism comprises a second push rod motor 44 fixedly connected with the mounting groove 3, the telescopic end of the second push rod motor 44 is fixedly connected with the right side face of the second plugging plate 42, when a blowout phenomenon occurs in the drilling process, the first push rod motor 43 and the second push rod motor 44 are started, the first push rod motor 43 drives the first plugging plate 41 to move rightwards, meanwhile, the second push rod motor 44 drives the second plugging plate 42 to move leftwards, when the right side face of the first plugging plate 41 is in sealing contact with the left side face of the second plugging plate 42, the first push rod motor 43 and the second push rod motor 44 stop working, the moving speeds of the first plugging plate 41 and the second plugging plate 42 are accelerated, the drilling plugging efficiency is improved, and the working burden of workers is relieved.
As shown in fig. 3 and 4, the oil discharge pressure regulating mechanisms 5 are two, two oil discharge pressure regulating mechanisms 5 are respectively located on the second through hole 45 and the third through hole 46, each oil discharge pressure regulating mechanism 5 comprises a cylinder body 51 communicated with the second through hole 45 or the third through hole 46, a cover body 52 located at the top of the cylinder body 51, an oil discharge pipe 53 located on the side surface of the cylinder body 51 and communicated with the inside of the cylinder body 51, a pressure regulating assembly used for regulating drilling pressure, and a connecting seat 54 located on the outer side surface of the lower portion of the cylinder body 51, wherein a fourth through hole 59 is formed in the bottom of the cylinder body 51, the fourth through hole 59 is communicated with the second through hole 45 or the third through hole 46, the inner surface of the cover body 52 is detachably connected with the outer surface of the cylinder body 51 through threads, the connecting seat 54 is fixedly connected with the first blocking plate 41 or the second blocking plate 42 through a bolt assembly, when the pressure in the drilling needs to be regulated, the regulation of the drilling can be realized through the pressure regulating assembly, oil gas in the drilling can be discharged through the oil discharge pipe 53, and the oil gas storage tank at the other end of the oil discharge pipe 53 is communicated with the oil storage tank or the internal pressure storage tank. The pressure regulating assembly comprises a screw 55, the bottom of which penetrates through the cover body 52 and is in threaded connection with the cover body 52, a connecting block 56 connected with the bottom of the screw 55 through a bearing, and a pressure regulating block 58 connected with the lower surface of the connecting block 56 through a spring 57, wherein the side surface of the pressure regulating block 58 is in sealing contact with the inner surface of the cylinder body 51. The outer side surface of the pressure regulating block 58 is provided with a rubber layer to enhance the sealing performance between the pressure regulating block 58 and the inner surface of the cylinder 51, when the pressure in the drilling well is high, namely oil gas pushes the pressure regulating block 58 to move upwards, the pressure regulating block 58 extrudes and moves upwards, when the pressure regulating block 58 moves upwards and is positioned above the joint of the oil discharge pipe 53 and the cylinder 51, the oil gas is discharged through the oil discharge pipe 53, then the screw 54 is screwed, the screw 54 is in threaded connection with the cover body 52, the screw 54 moves downwards, the connecting block 56 and the screw 54 synchronously move downwards, the spring 57 is extruded by the connecting block, the pressure regulating block 58 is extruded downwards by the spring 57, the pressure regulating block 58 moves to the lower part of the oil discharge pipe 53, and when the pressure regulating block 58 continues to move downwards, the pressure on the drilling well is increased, and the adjustment of the drilling well pressure is completed.
Be equipped with on first shrouding 41 and the second shrouding 41 and strengthen the mechanism 5, strengthen the mechanism 5 and be used for increasing first shutoff board 41 and second shutoff board 42 and mount pad 1's joint strength, avoid jack-up first shutoff board 41 and second shutoff board 42 when drilling pressure is too big, strengthen the mechanism 5 including the front and back both sides that are located first shrouding 41 and be connected with the front and back side of mounting groove 3, strengthen the mechanism 5 and be located the front and back both sides of second shrouding 42 and be connected with the front and back both sides face of mounting groove 3. The reinforcing mechanism 5 comprises a first reinforcing block 62 fixedly connected with the front side surface and the rear side surface of the first blocking plate 41, a second reinforcing block 63 fixedly connected with the front side surface and the rear side surface of the second blocking plate 42, and a reinforcing rod 61 with two ends respectively fixedly connected with the left side surface and the right side surface of the mounting groove 3, wherein the first reinforcing block 62 and the second reinforcing block 63 are sleeved on the reinforcing rod 61 and move in the length direction of the reinforcing rod 61. The reinforcing rods 61 are arranged in two numbers, the two reinforcing rods 61 are respectively located on the front side and the rear side of the first plugging plate 41 and the second plugging plate 42, when the first plugging plate 41 and the second plugging plate 42 move, the first reinforcing block 62 and the first plugging plate 41 move synchronously, and the second reinforcing block 63 and the second plugging plate 42 move synchronously.
The utility model discloses the setting of shutoff mechanism is convenient for the quick shutoff of well drilling through the push rod motor, avoids manual operation slowly and misses the optimum time of control blowout, alleviates work burden simultaneously, and the setting of oil extraction pressure regulating mechanism is convenient for discharge spun oil gas simultaneously to the regulation of well drilling internal pressure.

Claims (8)

1. The utility model provides an oil gas exploitation is with preventing blowout device, includes with around the well drilling fixed connection's mount pad, be located the mount pad and with the first through-hole of well drilling intercommunication, be located the upper surface of mount pad and the ascending mounting groove of opening, its characterized in that: the oil-gas well drilling device is characterized by further comprising a plugging mechanism located in the mounting groove and used for plugging the first through hole and a well, an oil discharge pressure regulating mechanism located above the plugging mechanism and communicated with the plugging mechanism and used for regulating pressure in the well, wherein the plugging mechanism comprises a first plugging plate located on the left side of the mounting groove, a second plugging plate located on the right side of the first plugging plate, a first driving mechanism used for enabling the first plugging plate to move in the horizontal direction, a second driving mechanism used for enabling the second plugging plate to move in the horizontal direction, a second through hole located on the first plugging plate and a third through hole located on the second plugging plate, and the second through hole and the third through hole are connected with the oil discharge pressure regulating mechanism and used for regulating pressure in the well and discharging sprayed oil gas at the same time.
2. The blowout prevention device for oil and gas production according to claim 1, wherein: the first driving mechanism comprises a first push rod motor fixedly connected with the mounting groove, the telescopic end of the first push rod motor is fixedly connected with the left side face of the first blocking plate, the second driving mechanism comprises a second push rod motor fixedly connected with the mounting groove, and the telescopic end of the second push rod motor is fixedly connected with the right side face of the second blocking plate.
3. The blowout prevention device for oil and gas production according to claim 1, wherein: the oil discharge pressure regulating mechanism comprises a cylinder body communicated with the second through hole or the third through hole, a cover body located at the top of the cylinder body, an oil discharge pipe located on the side face of the cylinder body and communicated with the inside of the cylinder body, a pressure regulating assembly used for regulating the pressure of drilling, and a connecting seat located on the outer side face of the lower portion of the cylinder body, wherein a fourth through hole is arranged at the bottom of the cylinder body and communicated with the second through hole or the third through hole.
4. The blowout prevention device for oil and gas production according to claim 3, wherein: the pressure regulating assembly comprises a screw rod, a connecting block and a pressure regulating block, wherein the bottom of the screw rod penetrates through the threaded connection between the cover body and the cover body, the connecting block is connected with the bottom of the screw rod through a bearing, the pressure regulating block is connected with the lower surface of the connecting block through a spring, and the side surface of the pressure regulating block is in sealing contact with the inner surface of the barrel.
5. The blowout prevention device for oil and gas production according to claim 4, wherein: and a rubber layer is arranged on the outer side surface of the pressure regulating block.
6. The blowout prevention device for oil and gas production according to claim 1, wherein: the first plugging plate and the second plugging plate are provided with reinforcing mechanisms, the reinforcing mechanisms are located on the front side and the rear side of the first plugging plate and connected with the front side and the rear side of the mounting groove, and the reinforcing mechanisms are located on the front side and the rear side of the second plugging plate and connected with the front side and the rear side of the mounting groove.
7. The blowout prevention device for oil and gas production according to claim 6, wherein: the reinforcing mechanism comprises a first reinforcing block fixedly connected with the front side face and the rear side face of the first plugging plate, a second reinforcing block fixedly connected with the front side face and the rear side face of the second plugging plate, and reinforcing rods fixedly connected with the left side face and the right side face of the mounting groove at two ends respectively, wherein the first reinforcing block and the second reinforcing block are sleeved on the reinforcing rods and move in the length direction of the reinforcing rods.
8. The blowout prevention device for oil and gas production according to claim 7, wherein: the reinforcing rods are arranged in two numbers, and the two reinforcing rods are respectively located on the front side and the rear side of the first plugging plate and the second plugging plate.
CN202221506479.2U 2022-06-16 2022-06-16 Blowout prevention device for oil and gas exploitation Active CN217783455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221506479.2U CN217783455U (en) 2022-06-16 2022-06-16 Blowout prevention device for oil and gas exploitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221506479.2U CN217783455U (en) 2022-06-16 2022-06-16 Blowout prevention device for oil and gas exploitation

Publications (1)

Publication Number Publication Date
CN217783455U true CN217783455U (en) 2022-11-11

Family

ID=83934307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221506479.2U Active CN217783455U (en) 2022-06-16 2022-06-16 Blowout prevention device for oil and gas exploitation

Country Status (1)

Country Link
CN (1) CN217783455U (en)

Similar Documents

Publication Publication Date Title
CN217783455U (en) Blowout prevention device for oil and gas exploitation
CN107939404B (en) Mechanical telescopic water gun based on gear and rack transmission
CN111851223A (en) Road construction drill flushing device with pedestrian warning function
CN110359871B (en) Cutting device in drill sleeve well and use method thereof
CN214836229U (en) Mechanical jar
CN210397779U (en) Novel single-welding-seam rotating disc liftable ball valve
CN205937294U (en) Plate shearing machine hydro -cylinder of adjustable buffering
CN103216195B (en) Dual-purpose device for drilling and cleaning well
CN113606218A (en) Truck cab hydraulic oil cylinder
CN109519139B (en) Prevent drill way safety seal device of water under high pressure
CN113356783A (en) Closed gas well drainage sled
CN117231167B (en) Releasing structure of acid liquid dumping cylinder
CN100554640C (en) A kind of telescopic method of pumping unit horsehead
CN217494122U (en) Valve body rubber ring mounting and dismounting tool
CN201173124Y (en) Balancing bidirectional lock possessing pressure compensate function for balancing hoisting jack
CN2578294Y (en) Hydraulic buffer of elevator
CN117345163B (en) Double-sealing gas lift valve
CN214222424U (en) Pipeline protector for hydraulic engineering
CN219910675U (en) Assembled drilling tool
CN217862482U (en) Novel hydraulic adjusting two-plate sliding foot structure
CN220840316U (en) Slicing device for O-shaped ring production
CN216342110U (en) Telescopic cutting pick
CN217001769U (en) Anti-pollution device for wellhead of pipe column for lifting liquid
CN210369965U (en) Assembled steel module roof installation bracket
CN217652848U (en) Corrosion-resistant high pressure is tappet part for rail altogether

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant