CN113882830A - Energy-saving environment-friendly casing head - Google Patents
Energy-saving environment-friendly casing head Download PDFInfo
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- CN113882830A CN113882830A CN202111062670.2A CN202111062670A CN113882830A CN 113882830 A CN113882830 A CN 113882830A CN 202111062670 A CN202111062670 A CN 202111062670A CN 113882830 A CN113882830 A CN 113882830A
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- 230000008093 supporting effect Effects 0.000 claims abstract description 15
- 230000000670 limiting effect Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an energy-saving and environment-friendly casing head which comprises a supporting mechanism, a casing head main body, a limiting ring and a second motor, wherein the supporting mechanism is fixed on the outer side of a casing seat, a clamping block is connected to the outer side wall of an inner pipe in a clamping mode, the casing head main body is fixed to the top of the casing seat through a nut, the bottom of a branch pipeline is rotatably connected with a threaded column, the limiting ring is fixed on the outer side of the casing head main body, a solar cell panel is fixed to the upper end face of one side of an annular supporting plate, and a battery pack is fixed to the lower end face of the other side of the annular supporting plate. This energy-concerving and environment-protective casing head, solar cell panel can absorb solar energy and convert solar energy to the electric energy to store and supply whole device to use in the group battery, conveniently realize energy-concerving and environment-protective effect, utilize the in-process of the device oil transportation, if inner tube wearing and tearing are serious, then can unscrew the threaded rod and make the fixture block leave the draw-in groove that corresponds, can pull down the inner tube alone afterwards and change, conveniently reduce the replacement cost to reach energy-concerving and environment-protective effect.
Description
Technical Field
The invention relates to the technical field of casing heads, in particular to an energy-saving and environment-friendly casing head.
Background
The casing head is used for fixing the well head of a drilling well, connecting a well head casing string, supporting the gravity of a technical casing and an oil layer casing, sealing the annular space between each layer of pipes, and providing a transitional connection assembly for installing a blowout preventer and a tubing head and a Christmas tree.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly casing head, which aims to solve the problems that the conventional casing head proposed in the background art is difficult to ensure normal internal air pressure before use, is not stable enough to install, is easy to collide with surrounding components in the process of oil transportation by using the device, and is not energy-saving and environment-friendly enough.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving and environment-friendly casing head comprises a supporting mechanism, a casing head main body, a limiting ring and a second motor,
the supporting mechanism is fixed on the outer side of the sleeve seat, a threaded rod is connected to the side wall of the sleeve seat in a threaded mode, meanwhile, a clamping block is rotatably connected to the inner end of the threaded rod, the clamping block is connected to the outer side wall of the inner pipe in a clamping mode, and the inner pipe is arranged on the inner side of the sleeve seat;
the casing head main body is fixed at the top of the casing seat through a nut, a pressure relief pipeline and a branch pipeline are respectively fixed on two side walls of the casing head main body, the bottom of the branch pipeline is rotatably connected with a threaded column, the threaded column is in threaded connection with a valve plate, and the valve plate is positioned on the inner side of the branch pipeline;
the limiting rings are fixed on the outer side of the casing head main body, annular support plates are arranged between the limiting rings and are sleeved on the outer side of the casing head main body, a solar cell panel is fixed on the upper end face of one side of each annular support plate, and a battery pack is fixed on the lower end face of the other side of each annular support plate.
Through adopting above-mentioned technical scheme, after the device is installed in the equipment, the sleeve, support and cushion are whole to be removed downwards and support tightly subaerial, the device is conveniently stabilized, can arrange before using the device and use barometer and electronic pneumatic valve to guarantee that the inside atmospheric pressure of the device is normal, arrange and use the lateral conduit and can shunt the processing to the oil, the valve plate can reciprocate, whether the circulation of oil and the size of circulation in the convenient control lateral conduit, arrange and use solar cell panel, the group battery can reach energy-concerving and environment-protective effect, can pull down the inner tube alone after the work is over and change, conveniently reduce the replacement cost.
Preferably, the supporting mechanism comprises an electric telescopic column, a sleeve, a support, a compression spring and a cushion block, the electric telescopic column is symmetrically fixed on two sides of the sleeve seat, the bottom of the electric telescopic column is connected with the sleeve, the sleeve is sleeved on the outer side of the sleeve seat, the support is fixed on the outer side of the bottom of the sleeve, and the bottom of the support is connected with the cushion block through the compression spring.
Through adopting above-mentioned technical scheme, after installing the device, sleeve, support and cushion can move down and support tightly subaerial under the extension effect of electronic flexible post, conveniently stabilize the device.
Preferably, the cushion block forms a telescopic structure with the support through a compression spring, the number of the supports and the cushion block is four, and the four supports are circumferentially and uniformly distributed on the sleeve.
Through adopting above-mentioned technical scheme, use the cushion can better support simultaneously and stabilize the device.
Preferably, the clamping block is clamped and connected in the clamping groove, and the clamping groove is formed in the outer side wall of the inner pipe.
Through adopting above-mentioned technical scheme, the work is over and unscrew the threaded rod and make the fixture block leave removable inner tube behind the draw-in groove that corresponds, and convenient change alone.
Preferably, the top of one end of the pressure relief pipeline is fixed with a barometer, and the other end of the pressure relief pipeline is internally fixed with an electric air valve.
By adopting the technical scheme, the air pressure gauge can detect the air pressure in the device, and if the detected air pressure is too high, the electric air valve can be used for carrying out pressure relief operation.
Preferably, a first motor is fixed in the bottom of the branch pipe, the bottom of the first motor is connected with a first gear, the first gear is meshed and connected to one side of the second gear, and the first gear is fixed on the outer side of the threaded column.
Through adopting above-mentioned technical scheme, when first gear rotated, the second gear rotated to drive the screw thread post and rotate, the valve plate reciprocated this moment, conveniently controlled in the branch pipeline whether the circulation of oil and the size of circulation volume.
Preferably, the second motor is fixed in the lower limiting ring, the output end of the second motor is connected with the third gear, the third gear is meshed and connected to the rack, the rack is fixed on the lower end face of the annular support plate, and the racks are circumferentially and uniformly distributed.
By adopting the technical scheme, when the third gear rotates, the annular support plate rotates, and the position of the solar cell panel is conveniently adjusted.
Preferably, balls are arranged between the annular support plate and the casing head main body, and the balls are circumferentially and uniformly distributed on the inner wall of the annular support plate.
Through adopting above-mentioned technical scheme, the ball can reduce the friction between annular extension board and the casing head main part, makes the annular extension board rotate and gets up more smoothly.
Preferably, the battery pack is electrically connected with an electric telescopic column, a barometer, an electric air valve, a first motor, a second motor and a solar panel.
Through adopting above-mentioned technical scheme, solar cell panel can absorb solar energy and convert solar energy into the electric energy and store and supply whole device to use in the group battery, conveniently reaches energy-concerving and environment-protective purpose.
Compared with the prior art, the invention has the beneficial effects that: the energy-saving and environment-friendly casing head,
(1) the casing head main body and the casing seat can be tightly fixed together under the action of the nut, so that the assembly is convenient, after the device is fixed between oil pipes by utilizing an external bolt, the support moves downwards along with the sleeve, all cushion blocks are tightly pressed on the ground, the stability of the device is convenient to strengthen, and in the process of oil delivery by utilizing the device, the cushion blocks and the support can relatively move under the action of the compression spring, so that the collision between the device and surrounding components can be reduced;
(2) the solar cell panel can absorb solar energy and convert the solar energy into electric energy to be stored in the battery pack for the whole device to use, so that the energy-saving and environment-friendly effects are conveniently realized, and meanwhile, the solar cell panel can rotate along with the annular support plate, so that the solar energy is conveniently and better absorbed;
(3) in the process of oil transportation by using the device, if the inner pipe is seriously abraded, the threaded rod can be unscrewed to enable the clamping block to leave the corresponding clamping groove, and then the inner pipe can be independently disassembled for replacement, so that the replacement cost is conveniently reduced, and the effects of energy conservation and environmental protection are achieved;
(4) before the device is used, the air pressure gauge can detect the air pressure in the device, if the air pressure in the device is too high, the electric air valve can be opened to carry out pressure relief operation, the air pressure in the device is ensured to be normal, when the petroleum in the device needs to be subjected to flow splitting treatment, the branch pipeline can be connected with another oil pipe, the valve plate can move up and down, and whether the petroleum in the branch pipeline flows or not and the flow volume can be conveniently controlled.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic diagram of the right-view structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at C according to the present invention;
FIG. 6 is a schematic view of a connecting structure of a rack and an annular support plate according to the present invention;
FIG. 7 is a schematic view of a connection structure of the annular support plate and the solar panel of the present invention.
In the figure: 1. the sleeve seat, 2, supporting mechanism, 201, electronic flexible post, 202, the sleeve, 203, the support, 204, compression spring, 205, the cushion, 3, the threaded rod, 4, the fixture block, 5, the draw-in groove, 6, the inner tube, 7, the casing head main part, 8, the pressure release pipeline, 9, the barometer, 10, electronic pneumatic valve, 11, the branch pipeline, 12, first motor, 13, first gear, 14, the second gear, 15, the screw post, 16, the valve plate, 17, the spacing ring, 18, the second motor, 19, the third gear, 20, the rack, 21, annular extension board, 22, the ball, 23, solar cell panel, 24, the group battery.
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. 1-7, the present invention provides a technical solution: an energy-saving and environment-friendly casing head is disclosed, as shown in fig. 1, fig. 2 and fig. 3, a supporting mechanism 2 is fixed on the outer side of a casing seat 1, a threaded rod 3 is connected on the side wall of the casing seat 1 in a threaded manner, a clamping block 4 is rotatably connected at the inner end of the threaded rod 3, the supporting mechanism 2 comprises an electric telescopic column 201, a sleeve 202, a bracket 203, a compression spring 204 and a cushion block 205, the electric telescopic column 201 is symmetrically fixed on two sides of the casing seat 1, the bottom of the electric telescopic column 201 is connected with the sleeve 202, the sleeve 202 is sleeved on the outer side of the casing seat 1, the bracket 203 is fixed on the outer side of the bottom of the sleeve 202, the bottom of the bracket 203 is connected with the cushion block 205 through the compression spring 204, after the device is installed, the sleeve 202 can move downwards under the extension action of the electric telescopic column 201, thereby driving the bracket 203 to move downwards, the cushion block 205 finally abuts against the ground under the abutting action of the compression spring 204, the stability of the device is conveniently improved, utilize the in-process of the device oil transportation, cushion 205 and support 203 relative movement under compression spring 204's effect, conveniently alleviate the device and around the collision between the subassembly, cushion 205 constitutes extending structure through compression spring 204 and support 203, and support 203 and cushion 205 all are provided with four, four support 203 circumference evenly distributed are on sleeve 202 simultaneously, it can make the device's stability stronger to use four cushion 205 simultaneously, and can be better alleviate the device and around the collision between the subassembly.
According to fig. 1, fig. 2, fig. 3 and fig. 4, 4 block connections of fixture block are on the lateral wall of inner tube 6, and inner tube 6 sets up the inboard at cover seat 1, and 4 block connections of fixture block are in draw-in groove 5, and draw-in groove 5 sets up on the lateral wall of inner tube 6, and inner tube 6 passes through 4 block connections of fixture block and connects the inboard at cover seat 1, if 6 wearing and tearing of inner tube are serious, then can unscrew threaded rod 3 and make fixture block 4 leave corresponding draw-in groove 5 completely, and later the detachable inner tube 6 changes alone.
According to the figures 1, 2, 3 and 5, the casing head main body 7 is fixed on the top of the casing seat 1 through a nut, the two side walls of the casing head main body 7 are respectively fixed with a pressure relief pipeline 8 and a branch pipeline 11, the top of one end of the pressure relief pipeline 8 is fixed with an air pressure gauge 9, the other end of the pressure relief pipeline 8 is internally fixed with an electric air valve 10, before the device is used, the air pressure inside the device can be detected by the air pressure gauge 9, if the air pressure inside the device is overhigh, the electric air valve 10 needs to be opened for pressure relief operation, the air pressure inside the device is ensured to be normal, the bottom of the branch pipeline 11 is rotatably connected with a threaded column 15, the threaded column 15 is in threaded connection with a valve plate 16, the valve plate 16 is positioned on the inner side of the branch pipeline 11, the bottom of the branch pipeline 11 is fixed with a first motor 12, the bottom of the first motor 12 is connected with a first gear 13, the first gear 13 is in meshed connection with one side of a second gear 14, and first gear 13 is fixed in the outside of screw thread post 15, and first gear 13 can rotate under the effect of first motor 12, and second gear 14 links together with first gear 13 meshing, and second gear 14 rotates to drive screw thread post 15 and rotate, and valve plate 16 can reciprocate under the limiting displacement of branch pipeline 11 and screw thread post 15 this moment, conveniently controls the circulation of oil in branch pipeline 11 or not and the size of circulation volume.
According to the figures 1, 2, 3 and 6, the limiting rings 17 are fixed on the outer side of the casing head main body 7, the annular support plates 21 are arranged between the limiting rings 17, the annular support plates 21 are sleeved on the outer side of the casing head main body 7, the second motor 18 is fixed in the lower limiting ring 17, the output end of the second motor 18 is connected with the third gear 19, the third gear 19 is meshed and connected with the rack 20, the rack 20 is fixed on the lower end face of the annular support plate 21, the rack 20 is circumferentially and uniformly distributed, the third gear 19 can rotate under the action of the second motor 18, the rack 20 is meshed and connected with the third gear 19, the annular support plates 21 can rotate to conveniently adjust the position of the solar cell panel 23, so that the solar cell panel 23 can better absorb solar energy, the balls 22 are arranged between the annular support plates 21 and the casing head main body 7, and the balls 22 are circumferentially and uniformly distributed on the inner walls of the annular support plates 21, the balls 22 reduce friction between the annular support plate 21 and the casing head body 7, so that the annular support plate 21 rotates more smoothly.
As shown in fig. 1, 2, 3 and 7, a solar panel 23 is fixed on the upper end surface of one side of the annular support plate 21, a battery pack 24 is fixed on the lower end surface of the other side of the annular support plate 21, the battery pack 24 is electrically connected with an electric telescopic column 201, a barometer 9, an electric air valve 10, a first motor 12, a second motor 18 and the solar panel 23, the solar panel 23 can absorb solar energy and convert the solar energy into electric energy to be stored in the battery pack 24, and the battery pack 24 can convert direct current into alternating current under the action of an inverter to be used by the whole device, so that the normal operation of the device is ensured, and the effects of energy conservation and environmental protection can be achieved.
The working principle of the embodiment is as follows: when the energy-saving environment-friendly casing head is used, the solar panel 23 absorbs solar energy and converts the solar energy into electric energy to be stored in the battery pack 24, the battery pack 24 converts direct current into alternating current to be used by the whole device under the action of an inverter, firstly, the casing head main body 7 is tightly fixed with the casing seat 1 through nuts, after the device is fixed between oil pipes through external bolts, the electric telescopic column 201 is started, the electric telescopic column 201 extends, the support 203 moves downwards along with the sleeve 202, the cushion block 205 is finally tightly pressed on the ground under the supporting action of the compression spring 204, the air pressure in the device can be detected through the air pressure gauge 9 before the device is used, if the air pressure in the device is too high, the electric air valve 10 needs to be opened to perform pressure relief operation until the air pressure in the device is normal, in the process of oil transportation by the device, the cushion block 205 and the support 203 move relatively under the action of the compression spring 204, the collision between the device and the surrounding components can be reduced, when the oil in the device needs to be subjected to diversion treatment, the branch pipeline 11 can be connected with another oil pipe, after the first motor 12 is started, the first motor 12 drives the first gear 13 to rotate, the second gear 14 is meshed with the first gear 13 and connected together, the second gear 14 rotates so as to drive the threaded column 15 to rotate, the valve plate 16 moves up and down under the limiting action of the branch pipeline 11 and the threaded column 15 so as to control the circulation of the oil in the branch pipeline 11 and the circulation, the second motor 18 can be started in the process of absorbing solar energy by the solar cell panel 23, the second motor 18 drives the third gear 19 to rotate, the rack 20 is meshed with the third gear 19, the annular support plate 21 rotates to conveniently adjust the position of the solar cell panel 23, and the ball 22 plays an auxiliary role in the rotating process of the annular support plate 21, if the inner tube 6 is worn seriously, the threaded rod 3 can be unscrewed to enable the fixture block 4 to leave the corresponding clamping groove 5, and finally, the inner tube 6 can be independently detached for replacement, and the content which is not described in detail in the specification belongs to the prior art which is well known to a person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an energy-concerving and environment-protective casing head, includes supporting mechanism (2), casing head main part (7), spacing ring (17) and second motor (18), its characterized in that:
the supporting mechanism (2) is fixed on the outer side of the sleeve seat (1), the side wall of the sleeve seat (1) is in threaded connection with a threaded rod (3), meanwhile, the inner end of the threaded rod (3) is rotatably connected with a clamping block (4), the clamping block (4) is connected to the outer side wall of the inner pipe (6) in a clamping mode, and the inner pipe (6) is arranged on the inner side of the sleeve seat (1);
the sleeve head main body (7) is fixed at the top of the sleeve base (1) through a nut, a pressure relief pipeline (8) and a branch pipeline (11) are respectively fixed on two side walls of the sleeve head main body (7), the bottom of the branch pipeline (11) is rotatably connected with a threaded column (15), the threaded column (15) is in threaded connection with a valve plate (16), and the valve plate (16) is located on the inner side of the branch pipeline (11);
the solar bushing head is characterized in that the limiting rings (17) are fixed on the outer side of the bushing head main body (7), annular support plates (21) are arranged between the limiting rings (17), the annular support plates (21) are sleeved on the outer side of the bushing head main body (7), a solar cell panel (23) is fixed on the upper end face of one side of each annular support plate (21), and a battery pack (24) is fixed on the lower end face of the other side of each annular support plate (21).
2. The energy-saving and environment-friendly casing head according to claim 1, characterized in that: the supporting mechanism (2) comprises an electric telescopic column (201), a sleeve (202), a support (203), a compression spring (204) and a cushion block (205), the electric telescopic column (201) is symmetrically fixed on two sides of the sleeve seat (1), the bottom of the electric telescopic column (201) is connected with the sleeve (202), the sleeve (202) is sleeved on the outer side of the sleeve seat (1), the support (203) is fixed on the outer side of the bottom of the sleeve (202), and the bottom of the support (203) is connected with the cushion block (205) through the compression spring (204).
3. The energy-saving and environment-friendly casing head according to claim 2, characterized in that: cushion (205) constitute extending structure through compression spring (204) and support (203), and support (203) and cushion (205) all are provided with four, and four support (203) circumference evenly distributed is on sleeve (202) simultaneously.
4. The energy-saving and environment-friendly casing head according to claim 1, characterized in that: the clamping block (4) is clamped and connected in the clamping groove (5), and the clamping groove (5) is formed in the outer side wall of the inner pipe (6).
5. The energy-saving and environment-friendly casing head according to claim 1, characterized in that: the top of one end of the pressure relief pipeline (8) is fixed with a barometer (9), and the other end of the pressure relief pipeline (8) is internally fixed with an electric air valve (10).
6. The energy-saving and environment-friendly casing head according to claim 1, characterized in that: a first motor (12) is fixed in the bottom of the branch pipeline (11), the bottom of the first motor (12) is connected with a first gear (13), the first gear (13) is meshed and connected to one side of a second gear (14), and the first gear (13) is fixed on the outer side of a threaded column (15).
7. The energy-saving and environment-friendly casing head according to claim 1, characterized in that: the second motor (18) is fixed in the lower limiting ring (17), the output end of the second motor (18) is connected with the third gear (19), meanwhile, the third gear (19) is meshed and connected to the rack (20), the rack (20) is fixed on the lower end face of the annular support plate (21), and the racks (20) are circumferentially and uniformly distributed.
8. The energy-saving and environment-friendly casing head according to claim 1, characterized in that: balls (22) are arranged between the annular support plate (21) and the casing head main body (7), and the balls (22) are circumferentially and uniformly distributed on the inner wall of the annular support plate (21).
9. The energy-saving and environment-friendly casing head according to claim 1, characterized in that: the battery pack (24) is electrically connected with an electric telescopic column (201), a barometer (9), an electric air valve (10), a first motor (12), a second motor (18) and a solar panel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111062670.2A CN113882830A (en) | 2021-09-10 | 2021-09-10 | Energy-saving environment-friendly casing head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111062670.2A CN113882830A (en) | 2021-09-10 | 2021-09-10 | Energy-saving environment-friendly casing head |
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| CN113882830A true CN113882830A (en) | 2022-01-04 |
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| CN202111062670.2A Pending CN113882830A (en) | 2021-09-10 | 2021-09-10 | Energy-saving environment-friendly casing head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542003A (en) * | 2022-03-02 | 2022-05-27 | 中国石油化工股份有限公司 | Electromagnetic control blowout preventer for solar wellhead of oil pumping unit |
| CN117536576A (en) * | 2024-01-09 | 2024-02-09 | 西派集团有限公司 | Multi-seat combined integral casing head device |
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| CN114542003A (en) * | 2022-03-02 | 2022-05-27 | 中国石油化工股份有限公司 | Electromagnetic control blowout preventer for solar wellhead of oil pumping unit |
| CN117536576A (en) * | 2024-01-09 | 2024-02-09 | 西派集团有限公司 | Multi-seat combined integral casing head device |
| CN117536576B (en) * | 2024-01-09 | 2024-03-22 | 西派集团有限公司 | Multi-seat combined integral casing head device |
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