CN219691517U - Water injection well device for oil field development - Google Patents
Water injection well device for oil field development Download PDFInfo
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- CN219691517U CN219691517U CN202320589156.2U CN202320589156U CN219691517U CN 219691517 U CN219691517 U CN 219691517U CN 202320589156 U CN202320589156 U CN 202320589156U CN 219691517 U CN219691517 U CN 219691517U
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- Prior art keywords
- water injection
- pressure relief
- injection well
- pipe
- grooves
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 238000002347 injection Methods 0.000 title claims abstract description 97
- 239000007924 injection Substances 0.000 title claims abstract description 97
- 238000005452 bending Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000000903 blocking 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
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of oilfield development water injection well devices, in particular to a water injection well device for oilfield development, wherein a pressure relief plate is movably arranged in a plurality of pressure relief grooves, a sealing ring is arranged in an annular groove formed in the pressure relief plate, the sealing ring is in contact with the inner annular wall of the pressure relief groove, a cylindrical opening communicated with the outside is formed in one side wall of the pressure relief groove, the pressure relief pipes are fixedly arranged on one side wall of the plurality of pressure relief plates, the outer ends of the pressure relief pipes penetrate through the pressure relief grooves and are positioned in the cylindrical opening, a plurality of arc-shaped pipe grooves are formed in the water injection well body and are distributed at equal round corners on the outer sides of the pressure relief grooves and the cylindrical opening, a spring is movably sleeved on the plurality of pressure relief pipes respectively, the inner end and the outer end of the spring are fixedly connected with the pressure relief plate and one side wall of the pressure relief groove respectively, a plurality of water inlet holes are formed in the annular side walls of the pressure relief pipes and the equal round corners are distributed, the pressure relief pipes can be timely decompressed, and phenomena of cracking or bending and the water injection well due to overlarge bearing pressure are avoided.
Description
Technical Field
The utility model relates to the technical field of oilfield water injection, in particular to an oilfield development water injection well device.
Background
The oil field development is to construct and put into production the oil field according to the reasonable development scheme made according to the actual condition of the oil field, different construction and development equipment are needed in the oil field development, wherein the oil field development comprises a water injection well device, when the water injection well is used for injecting water into an oil layer, the water injection pipe can bear larger pressure, once the underground pressure is increased and is overlapped with the water injection pressure, the pressure in the water injection pipe is extremely easy to exceed the bearable range, and thus the phenomena of cracking or bending and the like occur, and therefore the oil field development water injection well device is needed.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art, and provides an oilfield development water injection well device with reasonable design, which is used for solving the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the device comprises a water injection well body and a water injection pipe, wherein the upper part of the water injection well body is fixedly provided with the water injection pipe, the water injection pipe is communicated with the water injection well body, and a plurality of pressure relief grooves are distributed at the upper opening of the water injection well body in a uniform round angle manner;
it also comprises:
the plurality of pressure relief plates are respectively and movably arranged in the plurality of pressure relief grooves, a sealing ring is arranged in an annular groove formed in the pressure relief plate and is in contact with the inner annular wall of the pressure relief groove, a cylindrical opening communicated with the outside is formed in one side wall of the pressure relief groove, and reinforcing mechanisms are arranged at the outer side positions of the plurality of cylindrical openings on the water injection well body;
the pressure relief pipes are respectively and fixedly arranged on one side wall of the pressure relief plates, the pressure relief pipes are of a pipe body structure with two closed ends, the outer ends of the pressure relief pipes penetrate through the pressure relief grooves and then are positioned in the cylindrical openings, the water injection well body is provided with a plurality of arc-shaped pipe grooves in a distributed mode, the outer equal-round corners of the pressure relief grooves and the cylindrical openings are positioned on the water injection well body, and the pressure relief grooves and the cylindrical openings are respectively communicated with the two ends of the arc-shaped pipe grooves;
the first spring is a plurality of springs, the first spring is movably sleeved on the pressure relief pipes respectively, the inner end and the outer end of the first spring are fixedly connected with the pressure relief plate and one side wall of the pressure relief groove respectively, the circular bead distribution on the annular side wall of the pressure relief pipe is provided with the water inlet holes, the water inlet holes are matched with the arc-shaped pipe grooves, and the lower part of the annular side wall of the pressure relief pipe is provided with the water outlet.
Preferably, the reinforcement mechanisms each comprise:
the bending plate is hinged to the water injection well body and located at the outer side of the cylindrical opening, and the bending plate is matched with the pressure relief pipe;
the arc-shaped reinforcing plate is fixedly arranged at the upper end of the bending plate, the arc-shaped reinforcing plate is arranged at the outer side of the water injection pipe, the reinforcing plate is fixedly arranged on the outer side wall of the arc-shaped reinforcing plate, and the reinforcing plate is fixedly connected with the bending plate;
the second spring is fixedly arranged on the bent plate and located below the reinforcing plate, and the other end of the second spring is fixedly connected with the water injection well body.
Preferably, the inner side wall of the arc reinforcing plate is fixedly provided with a collision pad, and the collision pad is in collision with the outer side wall of the water injection pipe.
Preferably, the bending plate is fixedly provided with a reinforcing rod.
Preferably, the opening of the water injection well body is fixedly provided with a filter screen plate at the upper position of the pressure relief groove.
Compared with the prior art, the utility model has the beneficial effects that: the oilfield development water injection well device can timely decompress a water injection well, and avoids phenomena of cracking or bending of a water injection pipe caused by overlarge bearing pressure.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a B-B cross-sectional view of fig. 1.
Fig. 4 is an enlarged view of a portion C in fig. 3.
Reference numerals: the water injection well comprises a water injection well body 1, a water injection pipe 2, a pressure relief groove 3, a pressure relief plate 4, a sealing ring 5, a cylindrical opening 6, a reinforcing mechanism 7, a bent plate 7-1, an arc reinforcing plate 7-2, an arc reinforcing plate 7-3, a second spring 7-4, a pressure relief pipe 8, an arc pipe groove 9, a first spring 10, a water inlet 11, a water outlet 12, a collision pad 13, a reinforcing rod 14 and a filter screen plate 15.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
Embodiment one:
as shown in fig. 1 to 4, the present embodiment adopts the following technical scheme: the high-pressure water injection well comprises a water injection well body 1 and a water injection pipe 2, wherein the water injection pipe 2 is fixedly arranged at the upper part of the water injection well body 1, the water injection pipe 2 is communicated with the water injection well body 1, a plurality of pressure relief grooves 3 are distributed and formed in the upper opening part of the water injection well body 1 in a round corner distribution mode, a filter screen plate 15 is fixedly arranged at the upper position of the pressure relief groove 3 at the opening part of the water injection well body 1, and the filter screen plate 15 can be used for filtering high-pressure water injected into the water injection well body 1 so as to reduce the entry of impurities;
it also comprises:
the pressure relief plates 4 are respectively and movably arranged in the pressure relief grooves 3, sealing rings 5 are arranged in annular grooves formed in the pressure relief plates 4, the sealing rings 5 are in contact with the inner annular wall of the pressure relief grooves 3, the sealing rings 5 can increase the tightness of gaps between the pressure relief plates 4 and the pressure relief grooves 3, a cylindrical opening 6 communicated with the outside is formed in one side wall of the pressure relief grooves 3, and reinforcing mechanisms 7 are arranged at the outer side positions of the cylindrical openings 6 on the water injection well body 1;
the pressure relief pipes 8 are respectively welded and fixedly arranged on one side wall of the pressure relief plates 4, the pressure relief pipes 8 are of a pipe body structure with two closed ends, the outer ends of the pressure relief pipes 8 penetrate through the pressure relief grooves 3 and then are positioned in the cylindrical openings 6, a plurality of arc-shaped pipe grooves 9 are distributed on the water injection well body 1 and positioned on the outer sides of the pressure relief grooves 3 and the cylindrical openings 6 in an equal-round-angle mode, and the pressure relief grooves 3 and the cylindrical openings 6 are respectively communicated with the two ends of the arc-shaped pipe grooves 9;
the number one spring 10, the number one spring 10 is a plurality of, the movable sleeve is established on a plurality of pressure release pipe 8 respectively, the inside and outside both ends of number one spring 10 respectively with pressure release board 4 and the lateral wall welded fastening of pressure release groove 3, the compression elasticity of number one spring 10 is according to the extreme pressure design that water injection pipe 2 can bear, when the pressure in water injection pipe 2 and the water injection well body 1 will surpass the extreme pressure that water injection pipe 2 can bear, number one spring 10 can be compressed to the limit, if the pressure in water injection pipe 2 and the water injection well body 1 is in the within range that can bear, number one spring 10 can not be compressed, a plurality of inlet openings 11 have been offered to the fillet distribution such as on the annular lateral wall of pressure release pipe 8, inlet opening 11 and arc tube groove 9 cooperate the setting, delivery port 12 has been seted up to the annular lateral wall below of pressure release pipe 8.
Embodiment two:
as shown in fig. 2 to 4, this embodiment is modified from the first embodiment, and the reinforcement mechanisms 7 each include:
the bending plate 7-1 is hinged to the water injection well body 1 at the outer side of the cylindrical opening 6, the bending plate 7-1 is matched with the pressure relief pipe 8, the bending plate 7-1 is fixedly welded with a reinforcing rod 14, and the reinforcing rod 14 can increase the structural strength of the bending plate 7-1;
the arc reinforcing plate 7-2, arc reinforcing plate 7-2 welded fastening sets up in the upper end of curved plate 7-1, arc reinforcing plate 7-2 sets up in the outside of water injection pipe 2, welded fastening is provided with reinforcing plate 7-3 on the lateral wall of arc reinforcing plate 7-2, and reinforcing plate 7-3 and curved plate 7-1 welded fastening, reinforcing plate 7-3 can increase the structural strength of arc reinforcing plate 7-2 and curved plate 7-1 junction, the bonding is fixed on the inside wall of arc reinforcing plate 7-2 and is provided with conflict pad 13, conflict pad 13 is inconsistent with the lateral wall of water injection pipe 2 and is set up, can avoid arc reinforcing plate 7-2 and water injection pipe 2 direct hard contact through conflict pad 13, and lead to damaging water injection pipe 2 under the effect of clamping pressure;
and the second spring 7-4 is fixedly arranged on the bent plate 7-1 at the position below the reinforcing plate 7-3 by welding, the other end of the second spring 7-4 is fixedly welded with the water injection well body 1, and the bent plate 7-1 can be driven to enable the abutting pad 13 to abut against the water injection pipe 2 by the resilience force of the second spring 7-4, so that clamping protection on the outer side of the water injection pipe 2 is realized.
When the utility model is used, high-pressure water can be injected into the water injection well body 1 through the water injection pipe 2, when the underground pressure suddenly increases, the water injection pressure in the water injection well body 1 is increased, and the pressure exceeds the limit pressure born by the water injection pipe 2, the pressure relief plate 4 drives the pressure relief pipe 8 to move outwards, and the first spring 10 is extruded to the limit, so that the outer end of the pressure relief pipe 8 and the water outlet 12 are exposed out of the cylindrical opening 6, the water inlet 11 also penetrates through one end of the arc-shaped pipe groove 9, the outer end of the pressure relief pipe 8 is abutted against the bent plate 7-1, at the moment, because the blocking of the pressure relief plate 4 is not adopted, a part of high-pressure water in the water injection well body 1 can sequentially pass through the pressure relief groove 3, the arc-shaped pipe groove 9, the water inlet 11 and the water outlet 12, the pressure relief operation is carried out on the water injection well body 1, and the pressure born by the pressure relief pipe 2 can also be reduced along with the influence of the outer end of the pressure relief pipe 8 and the bent plate 7-1, the principle is utilized, the water injection plate is prevented from moving to the normal position, the water injection well body 2 is prevented from moving to the arc-shaped pipe 2, and the water injection well body 2 is prevented from moving to the normal position, and the pressure relief plate 2 is prevented from flowing back to the normal position, and the water injection well body is prevented from flowing to the normal position, and the water injection well 2 is prevented from flowing to the outside.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the pressure in the water injection well body 1 can be timely relieved through the cooperation of the pressure relief plate 4, the pressure relief pipe 8, the first spring 10 and the reinforcing mechanism 7, and the phenomena that the water injection pipe 2 is cracked or bent and the like due to overlarge bearing pressure of the water injection pipe 2 are avoided;
2. the sealing ring 5 can increase the tightness of the gap between the pressure relief plate 4 and the pressure relief groove 3, and high-pressure water is prevented from leaking from the water injection well body 1.
It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides an oil field development water injection well device, it contains water injection well body (1) and water injection pipe (2), and water injection well body (1) upper portion is fixed to be provided with water injection pipe (2), and water injection pipe (2) link up with water injection well body (1) and set up mutually, and the upper opening part of water injection well body (1) equi-rounded corner distribution has seted up a plurality of pressure release grooves (3);
the method is characterized in that: it also comprises:
the pressure release plates (4) are respectively and movably arranged in the pressure release grooves (3), sealing rings (5) are arranged in annular grooves formed in the pressure release plates (4), the sealing rings (5) are in contact with the inner annular wall of the pressure release grooves (3), a cylindrical opening (6) communicated with the outside is formed in one side wall of each pressure release groove (3), and reinforcing mechanisms (7) are arranged at the outer side positions of the cylindrical openings (6) on the water injection well body (1);
the pressure relief pipes (8), the pressure relief pipes (8) are respectively fixedly arranged on one side wall of the pressure relief plates (4), the pressure relief pipes (8) are of a pipe body structure with two closed ends, the outer ends of the pressure relief pipes (8) penetrate through the pressure relief grooves (3) and then are positioned in the cylindrical openings (6), a plurality of arc-shaped pipe grooves (9) are distributed on the water injection well body (1) and are positioned on the outer sides of the pressure relief grooves (3) and the cylindrical openings (6) in an equal-round-angle mode, and the pressure relief grooves (3) and the cylindrical openings (6) are respectively communicated with the two ends of the arc-shaped pipe grooves (9);
the number one spring (10), a number of spring (10) are several, and movable sleeve establishes respectively on several pressure release pipe (8), and the inside and outside both ends of spring (10) are respectively with pressure release board (4) and a lateral wall fixed connection of pressure release groove (3), and several inlet opening (11) have been seted up to the equal fillet distribution on the ring lateral wall of pressure release pipe (8), and inlet opening (11) cooperate setting with arc tube groove (9), and delivery port (12) have been seted up to the ring lateral wall below of pressure release pipe (8).
2. An oilfield development water injection well device according to claim 1, wherein: the reinforcing mechanisms (7) each comprise:
the bending plate (7-1) is hinged to the water injection well body (1) and located at the outer side of the cylindrical opening (6), and the bending plate (7-1) is matched with the pressure relief pipe (8);
the arc-shaped reinforcing plate (7-2), the arc-shaped reinforcing plate (7-2) is fixedly arranged at the upper end of the bending plate (7-1), the arc-shaped reinforcing plate (7-2) is arranged at the outer side of the water injection pipe (2), the reinforcing plate (7-3) is fixedly arranged on the outer side wall of the arc-shaped reinforcing plate (7-2), and the reinforcing plate (7-3) is fixedly connected with the bending plate (7-1);
the second spring (7-4) is fixedly arranged on the bending plate (7-1) and positioned below the reinforcing plate (7-3), and the other end of the second spring (7-4) is fixedly connected with the water injection well body (1).
3. An oilfield development water injection well device according to claim 2, wherein: an abutting pad (13) is fixedly arranged on the inner side wall of the arc-shaped reinforcing plate (7-2), and the abutting pad (13) is abutted to the outer side wall of the water injection pipe (2).
4. An oilfield development water injection well device according to claim 2, wherein: a reinforcing rod (14) is fixedly arranged on the bending plate (7-1).
5. An oilfield development water injection well device according to claim 1, wherein: the opening of the water injection well body (1) is fixedly provided with a filter screen plate (15) at the upper position of the pressure relief groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589156.2U CN219691517U (en) | 2023-03-23 | 2023-03-23 | Water injection well device for oil field development |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589156.2U CN219691517U (en) | 2023-03-23 | 2023-03-23 | Water injection well device for oil field development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691517U true CN219691517U (en) | 2023-09-15 |
Family
ID=87961739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320589156.2U Active CN219691517U (en) | 2023-03-23 | 2023-03-23 | Water injection well device for oil field development |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691517U (en) |
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2023
- 2023-03-23 CN CN202320589156.2U patent/CN219691517U/en active Active
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