CN110685643B - Oil field water injection well wellhead protective cover - Google Patents
Oil field water injection well wellhead protective cover Download PDFInfo
- Publication number
- CN110685643B CN110685643B CN201911203848.3A CN201911203848A CN110685643B CN 110685643 B CN110685643 B CN 110685643B CN 201911203848 A CN201911203848 A CN 201911203848A CN 110685643 B CN110685643 B CN 110685643B
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- China
- Prior art keywords
- water injection
- wellhead
- injection well
- plate
- protective cover
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- 238000002347 injection Methods 0.000 title claims abstract description 39
- 239000007924 injection Substances 0.000 title claims abstract description 39
- 239000002332 oil field water Substances 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 title claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000005452 bending Methods 0.000 claims description 5
- 241000276425 Xiphophorus maculatus Species 0.000 claims 1
- 230000007306 turnover Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001012 protector Effects 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
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- 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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a protection cover for a wellhead of an oilfield water injection well, which is used for protecting the wellhead through a cover plate and carrying out the bearing on the falling pedestrians through a protection net to avoid safety accidents.
Description
Technical Field
The invention discloses a protective cover for an oil field water injection well wellhead, relates to a protective cover for protecting the oil field water injection well wellhead, and belongs to the field of petroleum engineering. In particular to a protective cover which protects a wellhead through a cover plate and prevents safety accidents from occurring by supporting pedestrians falling through a protective net.
Background
At present, the water injection well head of oil field can be higher than ground certain distance generally, ensure the safety of water injection operation, simultaneously to the well head water injection finishing back, need seal the protection to the well head, avoid personnel carelessly falling into the well at night, the incident takes place, it is current only to plug up the well head, it is when carrying out the operation, need to remove the shutoff facility again, remove the back well head and leak outward, at the water injection in-process, still can appear carelessly falling into the risk in the well, lack safeguard in the well, and current guard plate structure is complicated, it is time consuming and laborious to remove, can not form wholly fixedly with the well head.
Publication number CN209621277U discloses an oil field water injection well wellhead protector, including well head, protection casing, locating plate, limiting plate, apron, link plate, screw rod, the protection casing has the protection casing hole, the well head sets up in the protection casing hole, protection casing lower surface connection ground, the protection casing hole is connected in the locating plate outside, the locating plate has a plurality of inserted bars, the protection casing inboard has a plurality of inserted bar grooves, the inserted bar suits with the inserted bar groove, the inserted bar inserts the inserted bar groove, the locating plate has the location curb plate, the locating curb plate has the well head groove, the well head outside suits with the well head groove, well head outside connection well head groove, the locating plate sets up at well head left and right sides symmetry, locating curb plate upper portion has the limiting plate hole, the protection casing inboard has the limiting plate groove corresponding with the limiting plate hole, the limiting plate passes spacing and inserts the limiting plate groove, the limiting plate lower surface is connected the well head upper surface, the limiting plate passes through the bolted connection well head, the protection casing diameter is greater than the well head diameter, the protection casing is higher than the well head, the device is complicated structure, can not directly combine to form with current water injection well head groove, lack well interior protective structure.
Disclosure of Invention
In order to improve the situation, the invention provides the protection cover for protecting the wellhead of the oilfield water injection well, which is used for protecting the wellhead through the cover plate and supporting the falling pedestrians through the protection net, so that safety accidents are avoided.
The invention discloses a wellhead protecting cover of an oilfield water injection well, which is realized by the following steps: the invention relates to an oil field water injection well wellhead protecting cover, which consists of a cover plate, a turnover handle, a limiting plate, a seat plate, guide rods, an inner support ring, a protecting net, a hinged chain, side pull handle grooves, a fixing ring and a limiting rod, wherein the seat plate is of a square plate-shaped structure, two sides of the seat plate are respectively provided with a group of side pull handle grooves, one group of side pull handle grooves consists of two side pull handle grooves, two side pull handle grooves in one group are respectively close to the two ends of the side of the seat plate, two sides of the seat plate are downwards bent to form a connecting plate, the middle part of the seat plate is provided with a circular groove, the fixing ring is fixedly arranged in the circular groove in the middle part of the seat plate, one end of each guide rod is arranged on the inner wall of the fixing ring at equal angle, and connected through a screw, the other end of each guide rod extends downwards a distance and is inwards, the curved surface is an arc-shaped surface, the inner support ring is arranged between the guide rods, the inner support ring is connected with the guide rods through the screw, the upper surfaces of the inner support ring are inclined surfaces of the inner support ring, the upper surfaces of the inner support ring are respectively close to the two side pull handle grooves, the two guide rods are respectively arranged on the two sides of the seat plate are correspondingly close to one side of the two sides of the seat plate, one side of the connecting plate is correspondingly provided with one side of the limiting plate, one side of the connecting plate is correspondingly arranged on the side of the connecting plate is respectively, one side is correspondingly provided with one side of the limiting plate, and is respectively close to one side of the limiting plate is respectively arranged on the side of the side plate, and is respectively, and is correspondingly provided with one side limiting plate and is formed by one side and is in a connecting plate and comprises side limiting plate. The limiting plate is arranged on one side of the cover plate, and a pull groove is formed in the limiting plate.
Has the beneficial effects of.
1. The split structure can be used for opening one side to perform water injection, and operation safety is improved.
2. A protection structure is formed in the well, so that dangerous accidents caused by carelessness can be protected.
3. Can combine with current well head and use, install swiftly convenient.
Drawings
Fig. 1 is a perspective structural view of a wellhead protection cover of an oilfield water injection well.
Fig. 2 is a perspective structural view of the wellhead protection cover for the oilfield water injection well when the wellhead protection cover is unfolded.
In the accompanying drawings
Wherein the method comprises the following steps: the novel anti-theft device comprises a cover plate (1), a turnover handle (2), a limiting plate (3), a seat plate (4), a guide rod (5), an inner supporting ring (6), a protective net (7), a hinged chain (8), a side pull handle groove (9), a fixing ring (10) and a limiting rod (11).
The specific embodiment is as follows:
the invention discloses a wellhead protecting cover of an oilfield water injection well, which is realized by the following steps: the invention relates to an oil field water injection well mouth protective cover, which consists of a cover plate (1), a turnover handle (2), a limiting plate (3), a seat plate (4), guide rods (5), an inner supporting ring (6), a protective net (7), a hinged chain (8), side pulling handle grooves (9), a fixing ring (10) and limiting rods (11), wherein the seat plate (4) is of a square plate-shaped structure, two sides of the seat plate (4) are respectively provided with a group of side pulling handle grooves (9), one group of side pulling handle grooves (9) consists of two side pulling handle grooves (9), two side pulling handle grooves (9) in one group are respectively close to two ends of the side edges of the seat plate (4), two sides of the seat plate (4) are downwards bent to form a connecting plate, the middle part of the seat plate (4) is provided with a circular groove, one end of each guide rod (5) is fixedly arranged in the circular groove in the middle part of the seat plate (4), one end of each guide rod (5) is arranged on the inner wall of the fixing ring (10) at equal angles, the other is connected through a screw, the other end of each guide rod (5) extends downwards to a bending section, is bent inwards and is bent towards the inner supporting ring (6) and is connected with the inner supporting ring (6) through the inner supporting ring (6), the utility model discloses a safety protection device for a vehicle, including connecting plate (1), connecting plate (4), limiting groove, guard net (7), connecting rod, locating lever (11), limiting plate (3) are arranged in between two adjacent guide bars (5), guard net (7) are arranged in supporting ring (6), guard net (7) are connected through the connecting rod by a plurality of concentric rings and are constituteed, a plurality of in a plurality of limiting grooves are arranged in to the one end one-to-one of connecting rod, locating lever (11) has been put to the connecting rod bottom, two apron (1) are arranged in on bedplate (4), one side of apron (1) is upwards buckled and is formed limiting plate (3), and two limiting plate (3) of apron (1) one side are connected through the connecting plate of articulated chain (8) and bedplate (4) both sides respectively, apron (1) one side is opened there are two side pull handle grooves (9) respectively corresponding with the side pull on apron (1), and on apron (1) are arranged in apron (2) the opposite side, and is close to apron (1), on one side of apron (3) is arranged in apron (3).
When the device is used, a person firstly places the device on a water injection wellhead, so that the seat plate (4) is placed on the wellhead, the fixed ring (10), the guide rod (5) and the protective net (7) are positioned in the water injection well, and the cover plate (1) is closed in a normal state to seal the wellhead, so that pedestrians are prevented from falling off; when water injection is needed, a person opens the cover plate (1) to inject water into the water injection well, and when a pedestrian drops into the water injection well carelessly, the protection net (7) between the guide rods (5) supports the pedestrian, so that safety accidents are avoided, the structure is simple, the water injection well can be combined with the existing water injection well to be used, the water injection well is integrally fixed, and the safety coefficient is high;
the protective net (7) can be taken down from the inner supporting ring (6);
the design of the side pull handle groove (9) is convenient for personnel to pull the side pull handle groove (9) for carrying and moving;
the two sides of the seat board (4) are downwards bent to form a design of a connecting board, so that a mounting surface can be provided for the hinge chain (8);
the other end of the guide rod (5) extends downwards for a certain distance and then bends inwards, the bending surface is of an arc-shaped surface design, the supporting rod is easy to clamp at a wellhead when placed in the water injection well, and bending equipment is convenient for personnel to place the device in the water injection well;
the upper surface of the inner support ring (6) is designed into an inclined plane, so that a limit groove is inclined to form a certain limit, and the protection net (7) is prevented from being offset under the impact of water flow to influence the use;
the protection net (7) is formed by connecting a plurality of concentric rings through connecting rods, the strength of the protection net (7) is high, and falling personnel can be well supported;
the design of the limiting rod (11) forms further limiting fixation for the protective net (7) so as to prevent the protective net (7) from being offset under the impact of water flow to influence the use;
the limiting plate (3) is provided with a side pull handle groove (9), so that personnel can conveniently pull the side pull handle groove (9) to carry;
the protective net (7) is matched with the inner supporting ring (6) and can be arranged in a well to effectively support falling personnel;
the cover plate (1) is matched with the seat plate (4), so that the wellhead can be closed through closing of the cover plate (1) in a normal state;
the seat board (4) is placed at a wellhead, and the protective net (7) is arranged in the well, so that falling personnel can be supported, and dangerous accidents caused by carelessness can be protected;
the purpose of protecting the wellhead through the cover plate (1), carrying pedestrians falling through the protective net (7) and avoiding safety accidents is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It is intended that all modifications within the scope of the invention, i.e., all equivalents thereof, be embraced by the invention as they come within their scope without departing from the invention.
Claims (9)
1. An oil field water injection well head protective cover which is characterized in that: the seat board is square platy structure, a set of side pull handle groove has been opened respectively to the both sides of seat board, a set of side pull handle groove comprises two side pull handle grooves, two side pull handle grooves in a set of are close to the side both ends of seat board respectively, open at the seat board middle part has the circular slot, the fixed ring is fixed in the circular slot at seat board middle part of arranging in, the one end of a plurality of guide bars is equiangular to be arranged in on the fixed ring inner wall, and be connected through the screw, interior carrier ring is arranged in between a plurality of guide bars, interior carrier ring and guide bar are connected through the screw, open on the interior carrier ring upper surface has a plurality of spacing grooves, the spacing groove is located between two adjacent guide bars, the protection network is arranged in interior carrier ring, the one end one-to-one correspondence of a plurality of connecting rods is arranged in a plurality of spacing grooves, the connecting rod bottom is arranged the spacing pole, the one end that the spacing pole is close to the connecting rod, two apron is arranged on the seat board, one side of apron upwards buckles to form the limiting plate, and the limiting plate of two apron sides is connected through the connecting plate of articulated chain and seat board both sides respectively, open on one side of apron has two side pull handle grooves, and the side pull handle groove corresponds with the side pull handle groove on the apron respectively, and the side on the apron side of the side that is close to the limiting plate is arranged on the limiting plate.
2. The oilfield water injection well wellhead protection cover according to claim 1, wherein two sides of the seat plate are bent downwards to form a connecting plate, so that a mounting surface can be provided for a hinged chain.
3. The protective cover for wellhead of water injection well in oil field according to claim 1, wherein the other end of the guide rod extends downwards for a certain distance, then bends inwards, the bending surface is an arc surface, the supporting rod is easy to be clamped at the wellhead when being put in, and the bending equipment is convenient for personnel to put the device into the water injection well.
4. The protective cover for wellhead of oilfield water injection well as claimed in claim 1, wherein the upper surface of the inner supporting ring is an inclined surface, so that the limit groove is inclined to form a certain limit.
5. The protective cover for the wellhead of an oilfield water injection well according to claim 1, wherein the protective screen is formed by connecting a plurality of concentric rings through connecting rods.
6. The protective cover for the wellhead of an oilfield water injection well according to claim 1, wherein the limiting rod is further used for limiting and fixing the protective net, so that the protective net is prevented from being offset under the impact of water flow to affect the use.
7. The protective cover for the wellhead of an oilfield water injection well of claim 5, wherein the protective mesh is configured to fit with an inner support ring and to be disposed in the well for effective support of dropped personnel.
8. The oilfield water injection wellhead protection cover of claim 7, wherein the protection mesh is removable from the inner carrier ring.
9. The protective cover for the wellhead of an oilfield water injection well according to claim 1, wherein the cover plate is matched with the seat plate, and the wellhead can be closed by closing the cover plate in a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203848.3A CN110685643B (en) | 2019-11-29 | 2019-11-29 | Oil field water injection well wellhead protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203848.3A CN110685643B (en) | 2019-11-29 | 2019-11-29 | Oil field water injection well wellhead protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110685643A CN110685643A (en) | 2020-01-14 |
| CN110685643B true CN110685643B (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911203848.3A Active CN110685643B (en) | 2019-11-29 | 2019-11-29 | Oil field water injection well wellhead protective cover |
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| Country | Link |
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| CN (1) | CN110685643B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022195116A2 (en) * | 2021-03-19 | 2022-09-22 | HOLGERSEN, Anders | Rotary multi-tool |
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| CN107939331A (en) * | 2017-12-17 | 2018-04-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of wellhead of water injection well protective device |
| CN207392304U (en) * | 2017-08-17 | 2018-05-22 | 聂永静 | A kind of water conservancy well mouth protector |
| CN208145575U (en) * | 2018-01-30 | 2018-11-27 | 唐伟东 | A kind of water injection well well head filter device |
| CN209621277U (en) * | 2019-02-25 | 2019-11-12 | 李雪梅 | A kind of water injection well in oil fields mouth protecting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2856178Y (en) * | 2005-12-16 | 2007-01-10 | 席建军 | Folding safety antitheft manhole cover |
| CN201495563U (en) * | 2009-09-15 | 2010-06-02 | 徐兴文 | Horizontal protective screen of inspection well cover |
| EP3169868B1 (en) * | 2014-07-17 | 2018-06-27 | Comacchio S.r.l. | Fall prevention safety device for head-carrying carriages of drilling machines |
| KR101977528B1 (en) * | 2018-01-16 | 2019-05-10 | 최지영 | Multi-function safety manhole cover |
| CN208201926U (en) * | 2018-04-13 | 2018-12-07 | 嘉兴市嘉泽园艺有限公司 | A kind of dropproof inspection shaft |
| CN209538224U (en) * | 2018-11-27 | 2019-10-25 | 福建省国通市政工程有限公司 | One kind prevents personnel from falling well lid |
-
2019
- 2019-11-29 CN CN201911203848.3A patent/CN110685643B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207392304U (en) * | 2017-08-17 | 2018-05-22 | 聂永静 | A kind of water conservancy well mouth protector |
| CN107939331A (en) * | 2017-12-17 | 2018-04-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of wellhead of water injection well protective device |
| CN208145575U (en) * | 2018-01-30 | 2018-11-27 | 唐伟东 | A kind of water injection well well head filter device |
| CN209621277U (en) * | 2019-02-25 | 2019-11-12 | 李雪梅 | A kind of water injection well in oil fields mouth protecting device |
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| Publication number | Publication date |
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| CN110685643A (en) | 2020-01-14 |
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