CN115324537A - Blowout-preventing oil exploitation equipment - Google Patents
Blowout-preventing oil exploitation equipment Download PDFInfo
- Publication number
- CN115324537A CN115324537A CN202111491295.3A CN202111491295A CN115324537A CN 115324537 A CN115324537 A CN 115324537A CN 202111491295 A CN202111491295 A CN 202111491295A CN 115324537 A CN115324537 A CN 115324537A
- Authority
- CN
- China
- Prior art keywords
- oil
- fixedly connected
- protection casing
- blowout
- wall
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000005086 pumping Methods 0.000 claims abstract description 24
- 230000002265 prevention Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 94
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
Abstract
The invention discloses blowout-preventing oil exploitation equipment which comprises a bottom plate and an oil pumping unit fixedly connected with one side of the top of the bottom plate, wherein the top of the bottom plate is movably connected with a protective cover, and an oil overflow preventing mechanism is arranged inside the protective cover; the invention relates to the technical field of oil exploitation equipment, and discloses an oil overflow prevention mechanism which comprises an inner shell, wherein a sealing piston is movably connected between two sides of the inner wall of the inner shell, a rotating rod is movably connected inside the sealing piston, and a buffer spring is fixedly connected between the bottom of the inner wall of a protective cover and the top of the sealing piston and positioned on the surface of the rotating rod. This prevent oil exploitation equipment of blowout can realize at the in-process of oil drilling exploitation, and when producing the blowout phenomenon, inside the oil enters into the protection casing, can carry out the pressure release and save oil, can utilize oil pumping pipe and beam-pumping unit to extract the oil that spills over once more at the in-process of pressure release simultaneously, thereby avoid the oil to overflow to the inside problem that causes the incident of protection casing.
Description
Technical Field
The invention relates to the technical field of oil exploitation equipment, in particular to blowout prevention oil exploitation equipment.
Background
Blowout is a phenomenon that fluid in a stratum is sprayed out of the ground or flows into other stratums in a well, and most of the phenomenon occurs in the field of petroleum and natural gas exploitation, so that the blowout is caused by various reasons, namely inaccurate mastering of stratum pressure, low mud density and reduction of the height of a mud liquid column in the well; the well blowout is normal, but the well blowout accident occurs, and the burning of the natural gas can occur when the natural gas meets sparks after being sprayed out, so that the well blowout is very dangerous.
The oil exploitation refers to the action of excavating and extracting oil in places where the oil is stored, and in the process of exploiting the oil, oil gas flows into the well bottom from a reservoir stratum and rises to the well head from the well bottom.
At present, in the process of exploiting petroleum by using a drilling machine, when a drill rod continuously extends into a stratum, internal petroleum easily emerges through a drill hole to generate a blowout phenomenon, more petroleum overflows to cause resource waste, meanwhile, harmful gas in the petroleum can also cause damage to surrounding personnel and environment, the petroleum on the surface of the stratum is difficult to clean subsequently, and the working strength is greatly increased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a blowout prevention oil exploitation device, which solves the problems that oil is easy to emerge through a drill hole to generate a blowout phenomenon, more oil overflows to cause resource waste, and the working strength is high due to the diffusion of toxic gas and the cleaning of the oil.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a prevent oil development equipment of blowout, includes bottom plate and fixed connection and the beam-pumping unit of bottom plate top one side, the top swing joint of bottom plate has the protection casing, and the inside of protection casing is provided with anti-oil spilling mechanism.
The oil spilling prevention mechanism comprises an inner shell, a sealing piston is movably connected between two sides of the inner shell inner wall, the inside of the sealing piston is movably connected with a rotating rod, a buffer spring is fixedly connected between the bottom of the inner shell inner wall and the top of the sealing piston and located on the rotating rod, through holes are formed in the tops of two sides of the inner shell, a filter screen is fixedly connected between the top of the inner shell surface and the top of the inner shell inner wall, one side of the inner shell inner wall is fixedly connected with an oil level sensor, a sealing seat is fixedly connected with the top of the protective shell, the bottoms of two sides of the protective shell are communicated with an oil outlet pipe, and the inside of the oil outlet pipe is fixedly connected with an electromagnetic valve.
Preferably, protection casing and seal receptacle are run through in proper order and extend to the top of seal receptacle in the top of dwang, the bottom of dwang just is located the bottom fixedly connected with drilling rod of sealing piston, the bottom fixedly connected with sealing washer of protection casing, the bottom fixedly connected with mounting panel on protection casing surface, and the inside threaded connection of mounting panel has fastening bolt.
Preferably, an oil inlet hole is formed in the bottom end of the drill rod, and protective covers are fixedly connected to the tops of two sides of the surface of the protective cover.
Preferably, the front side and the back side of one side of the top of the base plate are fixedly connected with a hydraulic oil cylinder, and the extending end of the hydraulic oil cylinder is fixedly connected with a fixing plate.
Preferably, the inside fixedly connected with motor of fixed plate, and the one end fixedly connected with first gear of motor output shaft, one side of fixed plate bottom is rotated through the bearing and is connected with the movable rod, and the fixed surface that the movable rod is located the fixed plate bottom is connected with in the second gear of first gear engaged with.
Preferably, the rotating rod extends to one end of the top of the sealing seat and is fixedly connected with the bottom of the movable rod, and one end of an oil inlet of the oil pumping unit is communicated with an oil pumping pipe.
Preferably, the one end of taking out oil pipe runs through movable rod, dwang and drilling rod in proper order and extends to the inside of drilling rod, the fixed frame of positive fixedly connected with that the opposite side at bottom plate top just is located the beam-pumping unit.
Preferably, one side of the bottom of the inner wall of the fixed frame is fixedly connected with a feedback module, and the other side of the bottom of the inner wall of the fixed frame is fixedly connected with a central processing unit.
(III) advantageous effects
The invention provides a blowout prevention oil exploitation device. The method has the following beneficial effects:
(1) This prevent oil production equipment of blowout, include the inner shell through anti-oil spilling mechanism, swing joint has sealing piston between the both sides of inner shell inner wall, sealing piston's inside swing joint has the dwang, the fixed surface that just is located the dwang between the bottom of protection casing inner wall and the sealing piston's the top is connected with buffer spring, the through-hole has all been seted up at the top of inner shell both sides, fixedly connected with filter screen between the top of inner shell surface and the top of protection casing inner wall, one side fixedly connected with oil level sensor of protection casing inner wall, the top fixedly connected with seal receptacle of protection casing, the bottom of protection casing both sides all communicates there is the oil pipe, and the inside fixedly connected with solenoid valve of oil pipe, the one end intercommunication of beam-pumping unit oil inlet has the oil pipe of taking out, can realize at the in-process of oil drilling exploitation, when producing the blowout phenomenon, the oil gets into inside the protection casing, can carry out pressure release and save to the oil, simultaneously utilize oil pipe and the oil pumping unit can extract to establish the oil once more in-process of pressure release to the oil that overflows, thereby avoid the oil to spill over to cause the problem of safety accident to the protection casing inside, the foundation has been established for follow-up oil production work.
(2) This prevent oil development equipment of blowout, through the equal fixedly connected with protective cover in top of protection casing surface both sides, fixedly connected with filter screen between the top of inner shell surface and the top of protection casing inner wall can realize filtering the oil that overflows, has improved the quality that the oil extracted, and the impurity on the filter screen can be convenient for be cleared up in the setting of protective cover simultaneously.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the shield construction of the present invention;
figure 3 is a sectional view of the fixed frame structure of the invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 5 is a schematic block diagram of the architecture of the system of the present invention.
In the figure: 1. a base plate; 2. a pumping unit; 3. a protective cover; 4. an oil spill prevention mechanism; 41. an inner shell; 42. a sealing piston; 43. rotating the rod; 44. a buffer spring; 45. a through hole; 46. a filter screen; 47. an oil level sensor; 48. a sealing seat; 49. an oil outlet pipe; 410. an electromagnetic valve; 5. a drill stem; 6. an oil inlet hole; 7. a protective cover; 8. a hydraulic cylinder; 9. a fixing plate; 10. a motor; 11. a first gear; 12. a movable rod; 13. a second gear; 14. an oil pumping pipe; 15. a fixing frame; 16. a feedback module; 17. fastening a bolt; 18. a central processing unit; 19. and (7) mounting the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the invention provides a technical solution: the utility model provides a prevent oil development equipment of blowout, includes bottom plate 1 and fixed connection and the beam-pumping unit 2 of 1 top one side of bottom plate, and the top swing joint of bottom plate 1 has protection casing 3, and the inside of protection casing 3 is provided with anti-oil spilling mechanism 4.
In the embodiment of the invention, the oil overflow preventing mechanism 4 comprises an inner shell 41, a sealing piston 42 is movably connected between two sides of the inner wall of the inner shell 41, a rotating rod 43 is movably connected inside the sealing piston 42, a buffer spring 44 is fixedly connected between the bottom of the inner wall of the protective cover 3 and the top of the sealing piston 42 and positioned on the surface of the rotating rod 43, through holes 45 are respectively formed in the tops of two sides of the inner shell 41, a filter screen 46 is fixedly connected between the top of the surface of the inner shell 41 and the top of the inner wall of the protective cover 3, an oil level sensor 47 is fixedly connected to one side of the inner wall of the protective cover 3, the type of the oil level sensor 47 is L-DP601, a sealing seat 48 is fixedly connected to the top of the protective cover 3, oil outlet pipes 49 are respectively communicated with the bottoms of two sides of the protective cover 3, electromagnetic valves 410 are fixedly connected inside the oil outlet pipes 49, the filter screen 46 can filter overflowed oil, the quality of oil extraction is improved, and the arrangement of the protective cover 7 can facilitate the cleaning of impurities on the filter screen 46.
In the embodiment of the invention, the top end of the rotating rod 43 sequentially penetrates through the protective cover 3 and the sealing seat 48 and extends to the top of the sealing seat 48, the drill rod 5 is fixedly connected to the bottom end of the rotating rod 43 and is positioned at the bottom of the sealing piston 42, the sealing ring is fixedly connected to the bottom of the protective cover 3, the mounting plate 19 is fixedly connected to the bottom of the surface of the protective cover 3, and the fastening bolt 17 is connected to the inner thread of the mounting plate 19.
In the embodiment of the invention, the bottom end of the drill rod 5 is provided with an oil inlet 6, and the tops of two sides of the surface of the protective cover 3 are fixedly connected with protective covers 7.
In the embodiment of the invention, the front side and the back side of one side of the top of the bottom plate 1 are both fixedly connected with the hydraulic oil cylinder 8, and the extending end of the hydraulic oil cylinder 8 is fixedly connected with the fixing plate 9.
In the embodiment of the invention, a motor 10 is fixedly connected inside a fixed plate 9, one end of an output shaft of the motor 10 is fixedly connected with a first gear 11, one side of the bottom of the fixed plate 9 is rotatably connected with a movable rod 12 through a bearing, and the surface of the movable rod 12 positioned at the bottom of the fixed plate 9 is fixedly connected with a second gear 13 engaged with the first gear 11.
In the embodiment of the present invention, one end of the rotating rod 43 extending to the top of the sealing seat 48 is fixedly connected to the bottom of the movable rod 12, and one end of an oil inlet of the pumping unit 2 is communicated with the oil pumping pipe 14.
In the embodiment of the invention, one end of the oil pumping pipe 14 sequentially penetrates through the movable rod 12, the rotating rod 43 and the drill rod 5 and extends into the drill rod 5, and the fixed frame 15 is fixedly connected to the other side of the top of the bottom plate 1 and positioned on the front surface of the oil pumping unit 2.
In the embodiment of the invention, one side of the bottom of the inner wall of the fixed frame 15 is fixedly connected with the feedback module 16, the other side of the bottom of the inner wall of the fixed frame 15 is fixedly connected with the central processing unit 18, the model of the central processing unit 18 is ARM9, and the central processing unit 18 is called CPU for short, is an operation core and a control core of a computer, and is a final execution unit for information processing and program operation.
And those not described in detail in this specification are well within the skill of those in the art.
When the device is used, the device is moved to a place needing to be mined, the motor 10 is started, the motor 10 drives the movable rod 12 to rotate through the first gear 11 and the second gear 13, then the rotating rod 43 drives the drill rod 5 to rotate, the hydraulic oil cylinder 8 is started, the extending end of the hydraulic oil cylinder 8 drives the fixing plate 9 to move downwards, and then the drill rod 5 rotates and moves downwards to drill holes;
when the drilling work is performed, when oil in the stratum overflows a lot, most of the oil enters the inner shell 41, at the moment, the sealing piston 42 compresses the buffer spring 44 to move upwards, the crude oil sprayed by the oil well flows into the oil storage tank between the protective cover 3 and the inner shell 41 through the through hole 45 to be stored, secondary pressure relief can be performed on the oil well, accidents can be effectively prevented, and the pumping unit 2 can be started to enable the pumping unit 2 to pump the oil in the drill rod 5 through the oil pumping pipe 14 and the oil inlet hole 6, so that the oil is prevented from overflowing to the outside of the protective cover 3, the oil level sensor 47 monitors the oil in the oil storage tank, when the oil level reaches the preset oil level value in the oil level sensor 47, a signal is transmitted to the central processing unit 18 through the feedback module 16, the central processing unit 18 starts the electromagnetic valve 410 after receiving the signal, the oil can be discharged through the electromagnetic valve 410, and waste of resources is avoided.
It should be noted that, in this document, relational terms such as first and second, and the like are 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a prevent oil development equipment of blowout, includes bottom plate (1) and fixed connection and beam-pumping unit (2) of bottom plate (1) top one side, its characterized in that: the top of the bottom plate (1) is movably connected with a protective cover (3), and an oil spilling prevention mechanism (4) is arranged inside the protective cover (3);
anti-oil spilling mechanism (4) include inner shell (41), swing joint has sealed piston (42) between the both sides of inner shell (41) inner wall, the inside swing joint of sealed piston (42) has dwang (43), between the bottom of protection casing (3) inner wall and the top of sealed piston (42) and be located the fixed surface of dwang (43) and be connected with buffer spring (44), through-hole (45) have all been seted up at the top of inner shell (41) both sides, fixedly connected with filter screen (46) between the top on inner shell (41) surface and the top of protection casing (3) inner wall, one side fixedly connected with oil level sensor (47) of protection casing (3) inner wall, the top fixedly connected with seal receptacle (48) of protection casing (3), the bottom of protection casing (3) both sides all communicates has oil pipe (49), and the inside fixedly connected with solenoid valve (410) of oil pipe (49).
2. A blowout prevention oil exploitation apparatus as claimed in claim 1, wherein: the top of dwang (43) runs through protection casing (3) and seal receptacle (48) in proper order and extends to the top of seal receptacle (48), the bottom fixedly connected with drilling rod (5) of sealed piston (42) just are located to the bottom of dwang (43), the bottom fixedly connected with sealing washer of protection casing (3), the bottom fixedly connected with mounting panel (19) on protection casing (3) surface, and the internal thread of mounting panel (19) is connected with fastening bolt (17).
3. A blowout prevention oil exploitation apparatus as claimed in claim 2, wherein: oil inlet (6) have been seted up to the bottom of drilling rod (5), the equal fixedly connected with protective cover (7) in top of protection casing (3) surface both sides.
4. A blowout prevention oil exploitation apparatus as claimed in claim 1, wherein: the front and the back of one side of the top of the base plate (1) are fixedly connected with a hydraulic oil cylinder (8), and the extending end of the hydraulic oil cylinder (8) is fixedly connected with a fixing plate (9).
5. A blowout prevention oil exploitation apparatus as claimed in claim 4, wherein: the inside fixedly connected with motor (10) of fixed plate (9), and the first gear (11) of one end fixedly connected with of motor (10) output shaft, one side of fixed plate (9) bottom is rotated through the bearing and is connected with movable rod (12), and fixed surface that movable rod (12) is located fixed plate (9) bottom is connected with in second gear (13) of first gear (11) engaged with.
6. A blowout prevention oil exploitation apparatus as claimed in claim 1, wherein: one end of the rotating rod (43) extending to the top of the sealing seat (48) is fixedly connected with the bottom of the movable rod (12), and one end of an oil inlet of the oil pumping unit (2) is communicated with an oil pumping pipe (14).
7. The blowout prevention oil exploitation apparatus of claim 6, wherein: one end of the oil pumping pipe (14) sequentially penetrates through the movable rod (12), the rotating rod (43) and the drill rod (5) and extends to the inside of the drill rod (5), and the other side of the top of the bottom plate (1) is located on a front fixedly connected fixed frame (15) of the oil pumping unit (2).
8. A blowout prevention oil exploitation apparatus as claimed in claim 7, wherein: one side fixedly connected with feedback module (16) of fixed frame (15) inner wall bottom, the opposite side fixedly connected with central processing unit (18) of fixed frame (15) inner wall bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491295.3A CN115324537A (en) | 2021-12-08 | 2021-12-08 | Blowout-preventing oil exploitation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491295.3A CN115324537A (en) | 2021-12-08 | 2021-12-08 | Blowout-preventing oil exploitation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115324537A true CN115324537A (en) | 2022-11-11 |
Family
ID=83912501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111491295.3A Pending CN115324537A (en) | 2021-12-08 | 2021-12-08 | Blowout-preventing oil exploitation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115324537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117627573A (en) * | 2024-01-26 | 2024-03-01 | 建湖福丽达机械制造有限公司 | Blowout-preventing oil exploitation equipment |
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| US20120241160A1 (en) * | 2010-12-20 | 2012-09-27 | Joe Spacek | Oil well improvement system |
| CN108798582A (en) * | 2018-07-16 | 2018-11-13 | 陈杰 | A kind of oil well head structure that anti-theft is strong |
| CN208718611U (en) * | 2018-08-14 | 2019-04-09 | 盐城金龙达机械制造有限公司 | A kind of multifunction energy storage preventer |
| CN112127836A (en) * | 2020-09-24 | 2020-12-25 | 兰州工业学院 | Anti-overflow and blowout drilling device and method thereof |
| CN213838502U (en) * | 2020-10-27 | 2021-07-30 | 昕华夏国际能源开发有限公司 | Drilling device of petroleum drilling machine |
| CN214944025U (en) * | 2021-01-08 | 2021-11-30 | 中国石油天然气股份有限公司 | Drilling positioning device and drilling equipment for oil development |
-
2021
- 2021-12-08 CN CN202111491295.3A patent/CN115324537A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120241160A1 (en) * | 2010-12-20 | 2012-09-27 | Joe Spacek | Oil well improvement system |
| CN108798582A (en) * | 2018-07-16 | 2018-11-13 | 陈杰 | A kind of oil well head structure that anti-theft is strong |
| CN208718611U (en) * | 2018-08-14 | 2019-04-09 | 盐城金龙达机械制造有限公司 | A kind of multifunction energy storage preventer |
| CN112127836A (en) * | 2020-09-24 | 2020-12-25 | 兰州工业学院 | Anti-overflow and blowout drilling device and method thereof |
| CN213838502U (en) * | 2020-10-27 | 2021-07-30 | 昕华夏国际能源开发有限公司 | Drilling device of petroleum drilling machine |
| CN214944025U (en) * | 2021-01-08 | 2021-11-30 | 中国石油天然气股份有限公司 | Drilling positioning device and drilling equipment for oil development |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117627573A (en) * | 2024-01-26 | 2024-03-01 | 建湖福丽达机械制造有限公司 | Blowout-preventing oil exploitation equipment |
| CN117627573B (en) * | 2024-01-26 | 2024-03-29 | 建湖福丽达机械制造有限公司 | Blowout-preventing oil exploitation equipment |
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