CN216240530U - Well repair is with preventing high-pressure tubular column drunkenness well head control tool - Google Patents
Well repair is with preventing high-pressure tubular column drunkenness well head control tool Download PDFInfo
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- CN216240530U CN216240530U CN202123080598.4U CN202123080598U CN216240530U CN 216240530 U CN216240530 U CN 216240530U CN 202123080598 U CN202123080598 U CN 202123080598U CN 216240530 U CN216240530 U CN 216240530U
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- mounting hole
- gasket
- connecting bolt
- pressure
- side wing
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Abstract
The utility model discloses a wellhead control tool for preventing a high-pressure pipe column from moving for well repair, which comprises a side wing, wherein a first mounting hole is formed in one side of the inside of the side wing, a first gasket is arranged at the top end of the first mounting hole, a rubber ring is arranged at the top end of the first gasket, and a first connecting bolt is arranged in the rubber ring, the first gasket and the first mounting hole. According to the utility model, before high-pressure liquid is pumped into the pipe column, the tool is installed on the uppermost oil pipe, then the pipe column plug valve is installed above the side wing, the first connecting bolt and the second connecting bolt respectively pass through the first installation hole and the second installation hole of the side wing, the side wing is fixed on a well mouth through the first fixing bolt and the second fixing bolt, if the plug valve cannot be opened due to pressure stored in the pipe column, the pressure relief screw of the side wing is unscrewed, and after the pressure is released from the pressure relief hole, the plug valve can be opened, so that the next construction can be carried out.
Description
Technical Field
The utility model relates to the field of oil extraction in oil fields, in particular to a wellhead control tool for preventing a high-pressure pipe column from moving for well repair.
Background
At present, in the underground operation construction, such as the processes of string inspection, fracturing and the like, a pump truck is required to pump high-pressure liquid into an oil pipe to achieve the process purpose, the oil pipe has different-degree movement under the condition of bearing high pressure to influence the performance of an underground tool, at present, a steel wire rope is used for passing through two sides of a four-way of a sleeve on site to bypass, an oil pipe elevator hung on an oil pipe coupling in a reverse buckling mode is used, and the method of pulling the steel wire rope at the other end of the oil pipe downwards by using a traveling block hook is used for preventing the oil pipe from moving.
Because the steel wire rope is elastically deformed greatly after being stressed, the pipe column can also generate play, the steel wire rope is extruded at the four-way bypass and is easy to deform and scrap, and the reverse elevator is easy to damage. In addition, the wellhead plug valve for controlling the pressure of the oil pipe is sealed by a spherical surface and cannot be opened under a high-pressure state, so that construction delay is caused.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a wellhead control tool for preventing a high-pressure pipe column from moving for well repair.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a workover is with preventing high-pressure tubular column drunkenness well head control tool, includes the flank, the inside one side of flank is provided with first mounting hole, the top of first mounting hole is provided with first gasket, the top of first gasket is provided with first rubber circle, the inside of first rubber circle and first gasket and first mounting hole is provided with first connecting bolt, the inside opposite side of flank is provided with the second mounting hole, the top of second mounting hole is provided with the second gasket, the top of second gasket is provided with the second rubber circle, the inside of second gasket, second rubber circle and second mounting hole is provided with second connecting bolt, the inside center department of flank is provided with the pressure release hole.
As a further description of the above technical solution:
the first connecting bolt and the second connecting bolt are the same in specification.
As a further description of the above technical solution:
the bottom of flank is provided with the main part.
As a further description of the above technical solution:
and a pressure relief screw is arranged in the pressure relief hole.
As a further description of the above technical solution:
the first rubber ring and the second rubber ring are made of the same material.
As a further description of the above technical solution:
and the bottom of the second connecting bolt penetrates through the second mounting hole and is in threaded connection with the inside of the second fixing nut.
As a further description of the above technical solution:
the bottom end of the first connecting bolt penetrates through the first mounting hole and is in threaded connection with the inside of the first fixing nut.
The utility model has the following beneficial effects:
1. according to the utility model, before high-pressure liquid is pumped into the pipe column, the tool is installed on the uppermost oil pipe, then the pipe column plug valve is installed above the side wing, the first connecting bolt and the second connecting bolt respectively pass through the first installation hole and the second installation hole of the side wing, the side wing is fixed on a well mouth through the first fixing bolt and the second fixing bolt, if the plug valve cannot be opened due to pressure stored in the pipe column, the pressure relief screw of the side wing is unscrewed, and after the pressure is released from the pressure relief hole, the plug valve can be opened, so that the next construction can be carried out.
2. According to the utility model, under the action of the first gasket and the second gasket, the first rubber ring and the second rubber ring are matched, so that the first connecting bolt and the second connecting bolt can be more firmly fixed with a wellhead, and the overall stability and the sealing property are improved.
Drawings
FIG. 1 is a side view of a wellhead control tool for preventing high-pressure pipe string shifting for well workover according to the present invention;
fig. 2 is a top view of a wellhead control tool for preventing high-pressure pipe string from moving for well repair according to the utility model.
Illustration of the drawings:
1. a main body; 2. a side wing; 3. a first connecting bolt; 4. a first fixing nut; 5. a pressure relief screw; 6. a pressure relief vent; 7. a first mounting hole; 8. a second connecting bolt; 9. a second mounting hole; 10. a second fixing nut; 11. a first gasket; 12. a first rubber ring; 13. a second gasket; 14. and a second rubber ring.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, one embodiment of the present invention is provided: a wellhead control tool for preventing high-pressure pipe string from moving for well repair comprises a side wing 2, a first mounting hole 7 is formed in one side inside the side wing 2, a first gasket 11 is arranged at the top end of the first mounting hole 7, a first rubber ring 12 is arranged at the top end of the first gasket 11, a first connecting bolt 3 is arranged inside the first rubber ring 12, the first gasket 11 and the first mounting hole 7, a second mounting hole 9 is formed in the other side inside the side wing 2, a second gasket 13 is arranged at the top end of the second mounting hole 9, a second rubber ring 14 is arranged at the top end of the second gasket 13, a second connecting bolt 8 is arranged inside the second gasket 13, the second rubber ring 14 and the second mounting hole 9, a pressure relief hole 6 is formed in the center inside the side wing 2, the tool is installed on the uppermost oil pipe before high-pressure liquid is pumped into the pipe string, the plug valve is installed above the side wing 2, after first connecting bolt 3 and second connecting bolt 8 cross first mounting hole 7 and second mounting hole 9 of flank 2 respectively, fix flank 2 on the well head through first fixing bolt and second fixing bolt, form the hard connection, can effectively control the oil pipe drunkenness when the pump goes into high-pressure liquid, close the plug valve after stopping the pump, dismantle the ground pipeline, during the oil pipe pressure release, if there is pressure in the tubular column and can not open the plug valve, unscrew the pressure release screw 5 of this flank 2, after pressure is discharged from pressure release hole 6, can open the plug valve, carry out next step construction, because under the effect of first gasket 11 and second gasket 13, and cooperate first rubber circle 12 and second rubber circle 14, can make the fixed between first connecting bolt 3 and second connecting bolt 8 and the well head more firm, whole stability and leakproofness have been improved.
First connecting bolt 3 and second connecting bolt 8's specification is the same, the bottom of flank 2 is provided with main part 1, the inside of pressure release hole 6 is provided with pressure release screw 5, first rubber circle 12 and second rubber circle 14 adopt the same material, second connecting bolt 8's end runs through the inside of second mounting hole 9 threaded connection at second fixation nut 10, first mounting hole 7 and threaded connection are run through in first fixation nut 4's inside in first connecting bolt 3's bottom, owing to under the effect of first gasket 11 and second gasket 13, and cooperate first rubber circle 12 and second rubber circle 14, can make fixed more firm between first connecting bolt 3 and second connecting bolt 8 and the well head, whole stability and leakproofness have been improved.
The working principle is as follows: before high-pressure liquid is pumped into the pipe column, the tool is installed on the uppermost oil pipe, then a pipe column plug valve is installed above a side wing 2, a first connecting bolt 3 and a second connecting bolt 8 respectively pass through a first installing hole 7 and a second installing hole 9 of the side wing 2, the side wing 2 is fixed on a well mouth through the first fixing bolt and the second fixing bolt to form hard connection, the oil pipe moving can be effectively controlled when the high-pressure liquid is pumped, the plug valve is closed after the pump is stopped, a ground pipeline is disassembled, when the pressure of the oil pipe is relieved, if the pressure in the pipe column cannot be opened, the plug valve can be opened after the pressure is relieved from a pressure relief hole 6, the next step of construction is carried out, and due to the action of a first gasket 11 and a second gasket 13 and the cooperation of the first rubber ring 12 and the second rubber ring 14, the first connecting bolt 3 and the second connecting bolt 8 can be firmly fixed with the well mouth, the overall stability and sealing performance are improved.
Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a workover is with preventing high-pressure tubular column drunkenness well head control tool, includes flank (2), its characterized in that: a first mounting hole (7) is formed in one side of the inner part of the side wing (2), a first gasket (11) is arranged at the top end of the first mounting hole (7), a first rubber ring (12) is arranged at the top end of the first gasket (11), a first connecting bolt (3) is arranged inside the first rubber ring (12), the first gasket (11) and the first mounting hole (7), the other side of the inside of the side wing (2) is provided with a second mounting hole (9), a second gasket (13) is arranged at the top end of the second mounting hole (9), a second rubber ring (14) is arranged at the top end of the second gasket (13), the second gasket (13), the second rubber ring (14) and the second mounting hole (9) are internally provided with a second connecting bolt (8), and the center of the inside of the side wing (2) is provided with a pressure relief hole (6).
2. The wellhead control tool for preventing the high-pressure pipe string from moving for well repair according to claim 1, which is characterized in that: the first connecting bolt (3) and the second connecting bolt (8) are the same in specification.
3. The wellhead control tool for preventing the high-pressure pipe string from moving for well repair according to claim 1, which is characterized in that: the bottom end of the side wing (2) is provided with a main body (1).
4. The wellhead control tool for preventing the high-pressure pipe string from moving for well repair according to claim 1, which is characterized in that: and a pressure relief screw (5) is arranged in the pressure relief hole (6).
5. The wellhead control tool for preventing the high-pressure pipe string from moving for well repair according to claim 1, which is characterized in that: the first rubber ring (12) and the second rubber ring (14) are made of the same material.
6. The wellhead control tool for preventing the high-pressure pipe string from moving for well repair according to claim 1, which is characterized in that: the bottom of the second connecting bolt (8) penetrates through the second mounting hole (9) and is in threaded connection with the inside of the second fixing nut (10).
7. The wellhead control tool for preventing the high-pressure pipe string from moving for well repair according to claim 1, which is characterized in that: the bottom end of the first connecting bolt (3) penetrates through the first mounting hole (7) and is in threaded connection with the inside of the first fixing nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123080598.4U CN216240530U (en) | 2021-12-09 | 2021-12-09 | Well repair is with preventing high-pressure tubular column drunkenness well head control tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123080598.4U CN216240530U (en) | 2021-12-09 | 2021-12-09 | Well repair is with preventing high-pressure tubular column drunkenness well head control tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216240530U true CN216240530U (en) | 2022-04-08 |
Family
ID=80961802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123080598.4U Active CN216240530U (en) | 2021-12-09 | 2021-12-09 | Well repair is with preventing high-pressure tubular column drunkenness well head control tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216240530U (en) |
-
2021
- 2021-12-09 CN CN202123080598.4U patent/CN216240530U/en active Active
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