CN111255406A - Dustproof and antitheft wellhead cap for oil field - Google Patents
Dustproof and antitheft wellhead cap for oil field Download PDFInfo
- Publication number
- CN111255406A CN111255406A CN202010180545.0A CN202010180545A CN111255406A CN 111255406 A CN111255406 A CN 111255406A CN 202010180545 A CN202010180545 A CN 202010180545A CN 111255406 A CN111255406 A CN 111255406A
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- Prior art keywords
- arc
- proof
- wellhead
- oil field
- circular
- Prior art date
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- 239000003921 oil Substances 0.000 claims abstract description 34
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a dustproof and antitheft wellhead cap for an oil field, which comprises an oil field wellhead, wherein a circular base is arranged on the oil field wellhead; two electric telescopic rods are arranged on the round base; the electric telescopic rod is provided with a lifting round platform; two arc-shaped sliding rails are arranged on the lifting round platform; the arc-shaped slide rail is connected with a supporting block in a sliding way; the lifting circular table is provided with a first fastening block and a second fastening block; a rotating platform is arranged on the supporting block; the rotating platform is provided with a second circular plate; the center of the rotating platform is provided with a cavity; the cavity is connected with the door body through a hinge; a clapboard is arranged in the cavity; the clapboard is provided with an arc-shaped hole; the circular base, the first circular plate, the second circular plate and the rotating platform are arranged, so that a good sealing effect is achieved on an oil field well mouth; the device is fixed through the hydraulic oil pump and the support rod, so that the device and the oil field wellhead are integrated, the rotation of the rotating table can be realized only by rotating the lock cylinder, and the dual anti-theft effect is achieved; under the condition that the lock cylinder is not rotated, the circuit is not communicated, and the anti-theft effect is also improved.
Description
Technical Field
The invention relates to the technical field of oil fields, in particular to a dustproof and antitheft wellhead cap for an oil field.
Background
Along with the development of oil fields, in order to adapt to the needs of different exploitation periods, the real production time interval between a drilling well and an oil well is often longer, in order to prevent theft or sundries from falling into the well, the well mouth after the drilling well is completed needs to be immediately sealed, an anti-theft well mouth cap is a device for protecting an oil well casing pipe exposed out of the ground after the completion of the well in oil operation, the anti-theft well mouth cap can prevent sundries from falling into the well, crude oil stealing is prevented, the well mouth can be protected, the casing head is prevented from being damaged, and the existing anti-theft well mouth cap has the defects of poor anti-theft performance, inconvenience in installation and fixation, or instability and.
Disclosure of Invention
In order to overcome the technical problems, the invention provides a dustproof and antitheft wellhead cap for an oil field, which aims to overcome the technical problems in the prior related art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a dustproof and antitheft wellhead cap for an oil field comprises an oil field wellhead, wherein a circular base is arranged on the oil field wellhead; a first circular plate is arranged on the circular base; two electric telescopic rods are arranged on the round base; the electric telescopic rod is provided with a lifting round platform; two arc-shaped sliding rails are arranged on the lifting round platform; the arc-shaped slide rail is connected with a supporting block in a sliding way; the supporting block is connected with one end of a connecting rod; the other end of the connecting rod is connected with the spherical body; the lifting circular table is provided with a first fastening block and a second fastening block; a first groove is formed in the first fastening block; two spring grooves are arranged on the first groove; a first spring is arranged in the spring groove; a trapezoidal block is arranged on the first spring; a second groove is formed in the second fastening block; two auxiliary grooves which are distributed up and down are arranged on the second groove; a second spring is arranged in the auxiliary groove positioned at the lower side; a trapezoidal block is arranged on the second spring; a nut rod is arranged in the auxiliary groove positioned on the upper side; the nut rod is connected with the rotating end of the lock cylinder; the rotating end of the lock core is provided with a nut rod; a screw rod is arranged in the nut rod; the bottom end of the screw rod is provided with a balancing weight; a rotating platform is arranged on the supporting block; the rotating platform is provided with a second circular plate; the inner side of the second circular plate is closely attached to the outer side of the first circular plate; the center of the rotating platform is provided with a cavity; the cavity is connected with the door body through a hinge; a clapboard is arranged in the cavity; the clapboard is provided with an arc-shaped hole.
A circular hole is formed in the lifting circular truncated cone; the circular base is provided with a through hole; a support rod is arranged at the left side of the through hole; the support rod is provided with a first arc plate; a hydraulic oil pump is arranged on the right side of the through hole; a second arc plate is arranged on the hydraulic oil pump; and the first arc plate and the second arc plate are both provided with protection pads.
The rotating platform is provided with an adjusting plate and a battery jar; a controller is arranged in the rotating platform; an iron block is arranged inside the door body; the rotating table is provided with an electromagnet matched with the iron block; an alarm is arranged on the partition plate; a force sensor is arranged on the lock cylinder; setting the force received by the sensor to be controlled within a certain range, and if the force exceeds the maximum receiving force, alarming by an alarm; if the sensor does not detect a force signal, the battery jar does not work, so that a key needs to be inserted into the lock core, and other electric appliances can be electrified and started; the hydraulic oil pump, the adjusting plate, the battery jar, the controller, the electromagnet, the alarm and the force sensor are all connected through leads.
The two electric telescopic rods are symmetrically arranged; the two arc-shaped sliding rails are symmetrically arranged.
The door body is provided with a pressure relief hole; the gas generated in the oil field is prevented from being piled up and pressed in the device; the door body is provided with a handle.
The height of the clapboard is higher than that of the top of the wellhead of the oil field; the debris that will rub when avoiding the rotation of baffle and produce brings the oil field well head into, increases the feature of environmental protection.
The rotating table is provided with an auxiliary hole matched with the lock cylinder for use; and dust covers are arranged on the auxiliary holes and the adjusting plate, so that the dust-proof effect is improved.
The invention has the beneficial effects that: the circular base, the first circular plate, the second circular plate and the rotating platform are arranged, so that a good sealing effect is achieved on an oil field well mouth, and a dustproof effect is achieved; the device is simple to install, the device is sleeved on the oil field well mouth from top to bottom, and then the device is fixed through the hydraulic oil pump and the support rod, so that the device and the oil field well mouth are integrated, and the anti-theft effect is achieved; the rotation of the rotating table can be realized by rotating the lock cylinder, and then the wellhead of the oil field can be exposed; therefore, the double anti-theft effect is achieved; in addition, under the condition that the lock cylinder is not rotated, the circuit is not communicated, and the anti-theft effect is also improved; during the use, through the rotation of revolving stage drive baffle, the oil field well head can expose through the arc on the baffle, can carry out the extraction of natural gas or crude oil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a right side sectional view of the present invention.
Fig. 3 is a top cross-sectional view of the present invention (the rotary table is not shown).
Fig. 4 is a structural schematic view of the first fastening block.
Figure 5 is a schematic view of the construction of the second fastening block.
In the figure: 1. the hydraulic oil well comprises an oil well head, 2 a circular base, 3 a first circular plate, 4 an electric telescopic rod, 5 a lifting circular table, 6 an arc-shaped sliding rail, 7 a supporting block, 8 a connecting rod, 9 a spherical body, 10 a first fastening block, 11 a second fastening block, 12 a first groove, 13 a spring groove, 14 a first spring, 15 a trapezoidal block, 16 a second groove, 17 an auxiliary groove, 18 a second spring, 19 a nut rod, 20 a screw rod, 21 a balancing weight, 22 a rotating table, 23 a second circular plate, 24 a cavity, 25 a circular hole, 26 a through hole, 27 a supporting rod, 28 a first arc plate, 29 a hydraulic oil pump, 30 a second arc plate, 31 an alarm, 32 a door body, 33 a partition plate, 34 an arc-shaped hole, 35 a handle, 36 an auxiliary hole and 37 a lock cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, the embodiment provides a dustproof and antitheft wellhead cap for an oil field, which comprises an oil field wellhead 1, wherein a circular base 2 is arranged on the oil field wellhead 1; the circular base 2 is provided with a first circular plate 3; two electric telescopic rods 4 are arranged on the round base 2; the electric telescopic rod 4 is provided with a lifting round platform 5; two arc-shaped slide rails 6 are arranged on the lifting round platform 5; the arc-shaped slide rail 6 is connected with a supporting block 7 in a sliding way; one end of a connecting rod 8 is connected to the supporting block 7; the other end of the connecting rod 8 is connected with the sphere 9; the lifting round platform 5 is provided with a first fastening block 10 and a second fastening block 11; a first groove 12 is arranged in the first fastening block 10; two spring grooves 13 are arranged on the first groove 12; a first spring 14 is arranged in the spring groove 13; a trapezoidal block 15 is arranged on the first spring 14; the sphere 9 enters the first groove 12 and can be simply and stably fixed through the trapezoid block 15, so that an auxiliary effect is achieved; a second groove 16 is arranged in the second fastening block 11; two auxiliary grooves 17 distributed up and down are arranged on the second groove 16; a second spring 18 is arranged in the auxiliary groove 17 positioned at the lower side; the second spring 18 is provided with a trapezoidal block 15; a nut rod 19 is arranged in the auxiliary groove 17 positioned at the upper side; the nut rod 19 is connected with the rotating end of the lock cylinder 37; a screw 20 is arranged in the nut rod 19; the bottom end of the screw rod 20 is provided with a balancing weight 21; when the lock cylinder 37 rotates, the screw 20 moves downwards under the action of the balancing weight 21, and the balancing weight 21 fixes the sphere 9 in the second groove 16, so that the device is locked; a rotating platform 22 is arranged on the supporting block 7; the rotary table 22 is provided with a second circular plate 23; the inner side of the second circular plate 23 is closely attached to the outer side of the first circular plate 3; the close arrangement can avoid a thief finding a gap of the device to steal through a miniature tool; the center of the rotating platform 22 is provided with a cavity 24; the cavity 24 is connected with the door body 32 through a hinge; a partition plate 33 is arranged in the cavity 24; the partition 33 is provided with an arc-shaped hole 34.
A circular hole 25 is formed in the lifting round platform 5; a through hole 26 is arranged on the circular base 2; a support rod 27 is arranged at the left side of the through hole 26; a first arc plate 28 is arranged on the support rod 27; the right side of the through hole 26 is provided with a hydraulic oil pump 29; a second arc plate 30 is arranged on the hydraulic oil pump 29; the second arc plate 30 is moved through the hydraulic oil pump 29, and the first arc plate 28 and the second arc plate 30 fix the device with the oil field wellhead 1, so that a thief is prevented from moving the device from bottom to top; the first arc plate 28 and the second arc plate 30 are both provided with a protection pad; the oil field wellhead 1 is protected, and friction and large compression force are avoided.
The rotating platform 22 is provided with an adjusting plate and a battery jar; a controller is arranged in the rotating platform 22; an iron block is arranged inside the door body 32; the rotary table 22 is provided with an electromagnet matched with the iron block; the partition plate 33 is provided with an alarm 31; a force sensor is arranged on the lock cylinder 37; setting the force received by the sensor to be controlled within a certain range, and if the force exceeds the maximum receiving force, alarming by an alarm; if the sensor does not detect the force signal, the battery tank does not work, and the thief cannot open the door body 32 or rotate the rotating table 22; therefore, the key is required to be inserted into the lock cylinder 37, and other electric appliances can be powered on and started; the natural gas or crude oil can be adopted; the hydraulic oil pump 29, the adjusting plate, the battery jar, the controller, the electromagnet, the alarm 31 and the force sensor are all connected through leads.
The two electric telescopic rods 4 are symmetrically arranged; the two arc-shaped sliding rails 6 are symmetrically arranged.
The door body 32 is provided with a pressure relief hole; the gas generated in the oil field is prevented from being piled up and pressed in the device; the door 32 is provided with a handle 35.
The height of the clapboard 33 is higher than the height of the top of the oilfield wellhead 1; the debris generated by friction is prevented from being brought into the oil field wellhead 1 during the rotation of the partition plate 33, so that the environmental protection performance is improved.
The rotating platform 22 is provided with an auxiliary hole 36 matched with the lock core 37; and dust covers are arranged on the auxiliary holes 36 and the adjusting plate, so that the dust-proof effect is improved.
When the device is used, a key is inserted into the device, the lock cylinder 37 is rotated, the screw 20 and the balancing weight 21 move upwards, so that the sphere 9 can move, and a circuit in the device is smooth; the rotating platform 22 is rotated through the arc-shaped sliding rail 6, and the partition plate 33 is rotated, so that the oilfield wellhead 1 can be exposed through the arc-shaped hole 34 in the partition plate; the natural gas or crude oil can be collected; when the locking device is not used, the rotating table 22 is rotated to enable the spherical body 9 to enter the second fastening block 11, the lock cylinder 37 is rotated to enable the balancing weight 21 to move downwards to fix the spherical body 9 in the second groove 16, the key is pulled out to complete locking, and the circuit is disconnected; when installing this device, overlap on oil field well head 1 through circular port 25 and through-hole 26 from last to down with the device earlier, rethread hydraulic oil pump 29 removes second arc board 30, and first arc board 28 and second arc board 30 are together fixed with device and oil field well head 1, avoid the thief to follow supreme and remove the device from down.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (7)
1. A dustproof and antitheft wellhead cap for an oil field comprises an oil field wellhead (1), wherein a round base (2) is arranged on the oil field wellhead (1); the method is characterized in that: a first circular plate (3) is arranged on the circular base (2); two electric telescopic rods (4) are arranged on the round base (3); the electric telescopic rod (4) is provided with a lifting round platform (5); two arc-shaped sliding rails (6) are arranged on the lifting round platform (5); the arc-shaped slide rail (6) is connected with a supporting block (7) in a sliding way; one end of a connecting rod (8) is connected to the supporting block (7); the other end of the connecting rod (8) is connected with the spherical body (9); the lifting round platform (5) is provided with a first fastening block (10) and a second fastening block (11); a first groove (12) is arranged in the first fastening block (10); two spring grooves (13) are arranged on the first groove (12); a first spring (14) is arranged in the spring groove (13); a trapezoidal block (15) is arranged on the first spring (14); a second groove (16) is arranged in the second fastening block (11); two auxiliary grooves (17) which are distributed up and down are arranged on the second groove (16); a second spring (18) is arranged in the auxiliary groove (17) positioned at the lower side; a trapezoidal block (15) is arranged on the second spring (18); a nut rod (19) is arranged in the auxiliary groove (17) positioned at the upper side; the nut rod (19) is connected with the rotating end of the lock cylinder (37); a screw rod (20) is arranged in the nut rod (19); the bottom end of the screw rod (20) is provided with a balancing weight (21); a rotating platform (22) is arranged on the supporting block (7); the rotating platform (22) is provided with a second circular plate (23); the inner side of the second circular plate (23) is closely attached to the outer side of the first circular plate (3); a cavity (24) is arranged in the center of the rotating platform (22); the cavity (24) is connected with the door body (32) through a hinge; a clapboard (33) is arranged in the cavity (24); the clapboard (33) is provided with an arc-shaped hole (34).
2. The dust-proof and theft-proof wellhead cap for the oilfield according to claim 1, wherein: a circular hole (25) is formed in the lifting round platform (5); a through hole (26) is arranged on the circular base (2); a support rod (27) is arranged at the left side of the through hole (26); a first arc plate (28) is arranged on the support rod (27); a hydraulic oil pump (29) is arranged on the right side of the through hole (26); a second arc plate (30) is arranged on the hydraulic oil pump (29); and the first arc plate (28) and the second arc plate (30) are respectively provided with a protection pad.
3. The dust-proof and theft-proof wellhead cap for the oilfield according to claim 2, wherein: the rotating platform (22) is provided with an adjusting plate and a battery jar; a controller is arranged in the rotating platform (22); an iron block is arranged inside the door body (32); the rotary table (22) is provided with an electromagnet matched with the iron block; an alarm (31) is arranged on the partition plate (33); a force sensor is arranged on the lock cylinder (37); the hydraulic oil pump (29), the adjusting plate, the battery jar, the controller, the electromagnet, the alarm (31) and the force sensor are all connected through wires.
4. The dust-proof and theft-proof wellhead cap for the oilfield according to claim 1, wherein: the two electric telescopic rods (4) are symmetrically arranged; the two arc-shaped sliding rails (6) are symmetrically arranged.
5. The dust-proof and theft-proof wellhead cap for the oilfield according to claim 1, wherein: the door body (32) is provided with a pressure relief hole; the door body (32) is provided with a handle (35).
6. The dust-proof and theft-proof wellhead cap for the oilfield according to claim 1, wherein: the height of the clapboard (33) is higher than that of the top of the oilfield wellhead (1).
7. The dust-proof and theft-proof wellhead cap for the oilfield according to claim 3, wherein: the rotating table (22) is provided with an auxiliary hole (36) matched with the lock core (37) for use; dust covers are arranged on the auxiliary hole (36) and the adjusting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180545.0A CN111255406B (en) | 2020-03-16 | 2020-03-16 | Dustproof and antitheft wellhead cap for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180545.0A CN111255406B (en) | 2020-03-16 | 2020-03-16 | Dustproof and antitheft wellhead cap for oil field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111255406A true CN111255406A (en) | 2020-06-09 |
| CN111255406B CN111255406B (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010180545.0A Expired - Fee Related CN111255406B (en) | 2020-03-16 | 2020-03-16 | Dustproof and antitheft wellhead cap for oil field |
Country Status (1)
| Country | Link |
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| CN (1) | CN111255406B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255106A (en) * | 2022-12-12 | 2023-06-13 | 江苏金石机械集团有限公司 | Anti-theft integrated oil extraction gas wellhead device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255106A (en) * | 2022-12-12 | 2023-06-13 | 江苏金石机械集团有限公司 | Anti-theft integrated oil extraction gas wellhead device |
| CN116255106B (en) * | 2022-12-12 | 2024-05-24 | 江苏金石机械集团有限公司 | Anti-theft integrated oil extraction gas wellhead device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111255406B (en) | 2022-03-08 |
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