CN217735446U - Pressure-bearing forced opening tool for fracturing wellhead gate - Google Patents
Pressure-bearing forced opening tool for fracturing wellhead gate Download PDFInfo
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- CN217735446U CN217735446U CN202121943338.2U CN202121943338U CN217735446U CN 217735446 U CN217735446 U CN 217735446U CN 202121943338 U CN202121943338 U CN 202121943338U CN 217735446 U CN217735446 U CN 217735446U
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Abstract
The utility model discloses an opening tool is forced in fracturing well head gate pressure-bearing, this instrument is equipped with the pressure-bearing section of thick bamboo and forces to open a section of thick bamboo, pressure-bearing section of thick bamboo one end is sealed and the other end is equipped with the internal thread, force the one end of opening a section of thick bamboo and be equipped with the transfer line in the barrel of internal thread and the other end, pressure-bearing section of thick bamboo all is equipped with the sealing member with force in opening a section of thick bamboo, pressure-bearing section of thick bamboo all is equipped with the stop valve and is equipped with the manometer above the stop valve with forcing in opening a section of thick bamboo, pressure-bearing section of thick bamboo and force to open a section of thick bamboo can install the hand wheel operation end and the balanced end outside at well head gate both sides respectively. The utility model discloses can successfully open the well head gate that has damaged in the fracturing well head production tree, damage because of gate flashboard sealing member in the well head device of fracturing oil well, can't directly open the gate or open the gate that the well head out of control condition can appear in the gate, provide special opening tool.
Description
Technical Field
The utility model relates to an instrument is opened to the pressure-bearing of oil industry fracturing well head gate, especially fracturing well head gate pressure-bearing forces the opening tool.
Background
In the oil industry, fracturing oil wells is an important tool for obtaining more oil and natural gas. Particularly, under the new normal state of low oil price at present, the petroleum engineering industry faces an extremely severe production and operation pressure. In order to cope with the low oil price and high development cost state and improve the yield of crude oil, large-scale empty well barrel fracturing construction is carried out after a hydrocarbon reservoir is jetted in an exploration and development well.
The wellhead assembly of fracturing well comprises multiunit high pressure gate, through foretell empty well section of thick bamboo fracturing construction with annotate the carbon dioxide after, the energy storage reinforcing of oil reservoir, but the pressure that wellhead assembly bore is higher, open flow time increases, this has just brought great damage risk for the high pressure gate subassembly in the fracturing well head.
High pressure gates in fracturing wellheads are typically provided with two ports, a hand wheel operating end and a balance end. Two pipe orifices of the high-pressure gate are arranged on the same axis and are used for being connected with other high-pressure gates to form a Christmas tree; a hand wheel operating end and a balancing end of the high-pressure gate are symmetrically arranged in the valve body between the two pipe orifices, and the hand wheel operating end is used for opening and closing the high-pressure gate.
The well head device of fracturing well under the usual condition can undertake the pressure in the well, but after the well head gate of fracturing well was closed, discovery well head gate sealing member damaged unable direct opening, and it is unclear along with the pressure in the well simultaneously, when needing to open well head gate and exploring the circumstances in the well, directly open the well head gate and probably lead to the sealing washer of flashboard seat to prick, the well head phenomenon of out of control appears, because the pressure in the well is high, probably brings the serious consequence of inestimable.
However, in order to solve the problems existing in fracturing the well mouth, the gate of the problems needs to be opened to carry out the next construction, and at present, when the well mouth is punctured, the gate of the well mouth can be directly opened only by running the risk of out-of-control blowout; when the wellhead gate sealing piece is found to be damaged and the wellhead gate cannot be opened, the general method is as follows:
1. the method has the advantages that the risk of out-of-control well mouth is increased, the gate is forcibly opened, the well mouth blowout preventer is installed, and the next construction is carried out.
2. Ordinary well head gate can take the area to press the mode of punching, presses the operation of punching on the gate body, releases well completion internal pressure, changes and has damaged the well head gate, and this kind of method is safe relatively, but release pressure time is lasting, and is long when unable estimation, does not conform to the requirement of solving well head risk problem fast.
Disclosure of Invention
The utility model aims at providing an opening tool is forced in fracturing well head gate pressure-bearing, solves present fracturing well head gate and damages the back, must open the gate and carry out the problem of construction next step. The special opening tool is provided for the damaged wellhead gate of the fracturing well, the gate plate in the damaged wellhead gate is forcibly opened, the pressure is relieved or the well is killed for the fracturing well, and the damaged wellhead gate is replaced after the pressure in the well is balanced. Improve and salvage work efficiency, avoid directly opening the blowout risk of being out of control that the gate faces, guarantee well head equipment normal operating, guarantee production safety, reduction in production cost.
For solving the above problems, the technical solution of the utility model is:
the fracturing well head gate pressure-bearing is forced the opening tool and is equipped with a pressure-bearing section of thick bamboo and forces an opening section of thick bamboo, wherein:
one end of the pressure-bearing cylinder is closed, and the other end of the pressure-bearing cylinder is provided with an internal thread;
one end of the forced opening cylinder is provided with internal threads, and a transmission rod is arranged in the cylinder body at the other end of the forced opening cylinder;
sealing elements are arranged in the pressure bearing cylinder and the forced opening cylinder;
the pressure bearing cylinder and the forced opening cylinder are both provided with a stop valve, and a pressure gauge is arranged on the stop valve;
the pressure bearing cylinder and the forced opening cylinder can be respectively arranged outside the hand wheel operation end and the balance end at two sides of the wellhead gate.
Preferably, the pressure-bearing cylinder is a cylinder with one closed end, the other end of the cylinder is provided with a valve body connecting cavity, an internal thread is arranged in the valve body connecting cavity, and the pressure-bearing cylinder can be in threaded connection with a valve body at one end of a hand wheel operating end of the wellhead gate through the internal thread.
Preferably, the inner diameter of a central hole communicated with a valve body connecting cavity of the pressure bearing cylinder is larger than the outer diameter of a hand wheel screw rod of a gate hand wheel of the wellhead gate.
Preferably, a sealing element is arranged in the connecting end face of the valve body connecting cavity at one end of the pressure bearing cylinder, and the pressure bearing capacity of the pressure bearing cylinder is more than 25 Mpa; the upper end pipe orifice of the stop valve can be connected with a pressure testing pipeline or a pressure gauge of a pressure testing pump, and the lower end pipe orifice is connected in the cylinder body in the pressure bearing cylinder and communicated with the pressure transmitting hole.
Preferably, the forced opening cylinder is provided with a central hole, a cylinder body at one end of the forced opening cylinder is provided with a valve body connecting cavity and an internal thread, a cylinder body at the other end of the forced opening cylinder is provided with a transmission rod screw hole, and the transmission rod is provided with an external thread, can be connected with the transmission rod screw hole and can pass through the central hole of the forced opening cylinder.
Preferably, the inner cavity of the forced opening cylinder is a non-equal-diameter inner cavity, and the non-equal-diameter inner cavity is respectively a valve body connecting cavity, a central hole, a diameter expanding cavity and a transmission rod connecting cavity from left to right.
Preferably, an internal thread is arranged in a valve body connecting cavity of the forced opening cylinder, and the valve body connecting cavity of the forced opening cylinder can be in threaded connection with a valve body at one end of a balance end of the wellhead gate; a pressure transfer hole and a sealing groove are arranged in a central hole of the forced opening cylinder; an internal thread is arranged in a transmission rod connecting cavity of the forced opening cylinder and can be in threaded connection with the transmission rod.
Preferably, the sealing elements in the forced opening cylinder are respectively arranged in the connecting end surface of the valve body connecting cavity and the central hole between the diameter expanding cavity of the forced opening cylinder and the pressure transmission hole, and the pressure bearing capacity of the forced opening cylinder is more than 25 Mpa.
Preferably, the transmission rod is a T-shaped rod, external threads are arranged outside a vertical rod of the T-shaped rod, a cross rod of the T-shaped rod is arranged at the outer end of the vertical rod, and a rubber anti-slip sleeve is fixed outside the cross rod.
Preferably, the length of the vertical rod of the transmission rod is greater than the length between the forced opening cylinder and the gate plate of the wellhead gate; the pressure-bearing forced opening tool for the fracturing wellhead gate can be manufactured according to the model of the wellhead gate and the thread model series of the hand wheel operation end and the balance end.
The utility model discloses the result of use that is showing is:
the utility model discloses can successfully open the well head gate that has damaged in the fracturing well head production tree, damage because of gate flashboard sealing member in the well head device of fracturing oil well, can't directly open the gate or open the gate that the well head out of control condition can appear in the gate, provide special opening tool.
The utility model provides a pressure-bearing cylinder can both be rather than inner chamber UNICOM transmission pressure with the stop valve of forcibly opening installation in the section of thick bamboo, uses the utility model discloses a before well head gate decompresses, at first the pressure testing pipeline through the pressure testing device is connected with the stop valve, to pressure-bearing cylinder and the sealing performance pressure testing inspection of forcibly opening a section of thick bamboo. After the pressure test is qualified, the pressure gauge is installed before the wellhead gate is opened, and the pressure can be observed at any time in the process of opening the wellhead gate.
The utility model discloses replace the function of the original hand wheel operation end cover of well head gate with a pressure-bearing section of thick bamboo, can make the hand wheel lead screw back and forth movement of well head gate in the pressure-bearing section of thick bamboo inner chamber. The pressure-bearing cylinder is connected with the valve body of the hand wheel operation end in a threaded connection mode, and the sealing piece on the end face can ensure sealing in the operation process.
The forced opening cylinder is internally provided with a transmission rod, and a sealing element is arranged at the position contacted with the transmission rod, so that the forced opening cylinder has a sealing and pressure-bearing function. The forced opening cylinder is installed at the balance end of the wellhead gate, the transmission rod in the forced opening cylinder is rotated, the transmission rod moves forwards under the driving of the threads, the balance rod in the wellhead gate is pushed to move forwards, and therefore the gate plate of the gate is opened.
The utility model discloses according to the structural feature of fracturing well head gate, demolish the end cover of former gate hand wheel operation end and the end cover of former well head gate balance end, process out and can replace the pressure-bearing section of thick bamboo of two original end covers and force and open a section of thick bamboo. The pressure-bearing cylinder and the forced opening cylinder are provided with a cylinder body capable of connecting the high-pressure gate, a mounting hole capable of mounting a pressure gauge and a pressure transmission hole. After the pressure bearing cylinder and the forced opening cylinder are installed in the wellhead gate, pressure testing can be carried out according to requirements, the damaged wellhead gate can be opened after the pressure testing is qualified, the out-of-control risk of the wellhead caused by opening the damaged gate is reduced to the minimum, safety guarantee is provided for next construction, and the purpose of carrying out rapid maintenance on wellhead equipment is achieved.
The utility model discloses simple structure, processing low cost, convenient to use can successfully avoid the out of control operation risk of blowout at the in-process of opening the well head gate. The maintenance efficiency is improved, the operation cost is obviously reduced, the huge loss caused by the out-of-control blowout is avoided, the use effect is obvious, and the economic benefit and the social benefit can be obviously brought.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the middle pressure-bearing cylinder of the present invention.
Fig. 2 is a schematic structural view of the middle forced opening cylinder of the present invention.
Fig. 3 is a structural schematic diagram of a wellhead gate of a conventional fracturing well.
In the figure: the pressure-bearing device comprises a pressure-bearing cylinder 1, a stop valve 2, a pressure gauge 3, a sealing element 4, a pressure transfer hole 5, a forced opening cylinder 6, a transmission rod 7, an anti-skidding sleeve 8, an expanding cavity 9, a wellhead gate 10, a gate hand wheel 11, a hand wheel operation end cover 12, a valve body 13 and a balance end cover 14.
Detailed Description
The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and 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.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model discloses there is following embodiment:
referring to fig. 1 to 3, the fracturing wellhead gate pressure-bearing forced opening tool is characterized in that a pressure-bearing cylinder 1 and a forced opening cylinder 6 are arranged, wherein:
one end of the pressure bearing cylinder 1 is closed, and the other end of the pressure bearing cylinder is provided with an internal thread;
one end of the forced opening cylinder 6 is provided with internal threads, and a transmission rod 7 is arranged in the cylinder body at the other end;
sealing elements 4 are arranged in the pressure bearing cylinder 1 and the forced opening cylinder 6;
the pressure bearing cylinder 1 and the forced opening cylinder 6 are both provided with a stop valve 2, and a pressure gauge 3 is arranged above the stop valve 2;
the pressure-bearing cylinder 1 and the forced opening cylinder 6 can be respectively arranged outside the hand wheel operation end and the balance end at two sides of the wellhead gate 10.
When the conditions that the fracturing well mouth gate is not tightly closed and well fluid leaks are found, the hand wheel operation end cover 12 at one end of the hand wheel operation ends at two sides of the well mouth gate 10 and the balance end cover 14 at one end of the balance end are disassembled, and the pressure bearing cylinder 1 and the forced opening cylinder 6 are respectively arranged outside the hand wheel operation ends and the balance end at two sides of the well mouth gate 10. The pressure in the well can be tested through the pressure bearing cylinder 1 and the stop valve 2 and the pressure gauge 3 which are arranged in the forced opening cylinder 6, and the flashboard in the wellhead gate 10 with problems is forcibly opened through the transmission rod 7 in the forced opening cylinder 6. Under the condition of effectively avoiding the incontrollable fracturing well, the pressure in the well is discharged at the highest speed and in the simplest and simplest way, and the damaged well head gate 10 is maintained or replaced, thereby ensuring the safe production.
The pressure bearing cylinder 1 is a cylinder with one closed end, the other end of the cylinder is provided with a valve body connecting cavity, an internal thread is arranged in the valve body connecting cavity, and the pressure bearing cylinder can be in threaded connection with a valve body 13 at one end of a hand wheel operation end of the wellhead gate 10 through the internal thread.
The inner diameter of a central hole communicated with a valve body connecting cavity of the pressure bearing cylinder 1 is larger than the outer diameter of a hand wheel lead screw of a gate hand wheel 11 of a wellhead gate 10, so that the hand wheel lead screw of the gate hand wheel 11 can freely reciprocate in the central hole.
A sealing element 4 is arranged in the connecting end surface of the valve body connecting cavity at one end of the pressure bearing cylinder 1, and the pressure bearing capacity of the pressure bearing cylinder 1 is more than 25 Mpa; the upper end pipe orifice of the stop valve 2 can be connected with a pressure test pipeline of a pressure test pump or a pressure gauge 3, and the lower end pipe orifice is connected in the cylinder body in the pressure bearing cylinder 1 and communicated with the pressure transmitting hole 5. The utility model provides a pressure-bearing section of thick bamboo 1 is connected at the hand wheel operation end of well head gate 10, because valve plate or hand wheel lead screw in the hand wheel operation end of well head gate 10 have appeared the problem, can only be with pressure-bearing section of thick bamboo 1 with this end shutoff. Before the well head gate 10 is opened by force, can be earlier through the pressure testing pump to well head gate 10 pressure testing, the sealed effect of inspection pressure-bearing section of thick bamboo 1 is guaranteeing under the prerequisite of the sealed effect of pressure-bearing section of thick bamboo 1, installs manometer 3 again, observes the interior pressure of well at any time, avoids the emergence of well control incident.
The forced opening cylinder 6 is provided with a center hole, one end cylinder body of the forced opening cylinder 6 is provided with a valve body connecting cavity and an internal thread, the other end cylinder body of the forced opening cylinder 6 is provided with a transmission rod screw hole, and the transmission rod 7 is provided with an external thread, can be connected with the transmission rod screw hole and can pass through the center hole of the forced opening cylinder 6.
The inner cavity of the forced opening cylinder 6 is a non-equal-diameter inner cavity which is respectively a valve body connecting cavity, a central hole, an expanding cavity 9 and a transmission rod connecting cavity from left to right.
An internal thread is arranged in a valve body connecting cavity of the forced opening cylinder 6, and the valve body connecting cavity of the forced opening cylinder 6 can be in threaded connection with a valve body 13 at one end of a balance end of the wellhead gate 10; a pressure transfer hole 5 and a sealing groove are arranged in a central hole of the forced opening cylinder 6; an internal thread is arranged in a transmission rod connecting cavity of the forced opening cylinder 6 and can be in threaded connection with the transmission rod 7. The utility model provides a force and open a section of thick bamboo 6 and connect the balanced end at well head gate 10, because the valve plate in the hand wheel operation end of well head gate 10 or the hand wheel lead screw of hand wheel 11 have appeared the problem, only can be with the shutoff of hand wheel operation end with pressure-bearing section of thick bamboo 1, and will open a section of thick bamboo 6 through the force of installing in well head gate 10 balanced end, use transfer line 7 to promote the balancing lever in the balanced end by force, open the flashboard in the well head gate 10, let out the well internal pressure, avoid the emergence of well control accident, guarantee well control safety, establish the basis for the construction of next step.
The sealing elements 4 in the forced opening cylinder 6 are respectively arranged in the connecting end surface of the valve body connecting cavity and the central hole between the expanding cavity 9 and the pressure transmitting hole 5 of the forced opening cylinder 6, and the pressure bearing capacity of the forced opening cylinder 6 is more than 25 Mpa. And a sealing element 4 arranged between the valve body connecting cavity and the expanding cavity 9 in the forced opening cylinder 6 and the pressure transmission hole 5 can prevent the well pressure and well fluid from leaking from the valve body connecting cavity and the transmission rod 7 in the forced opening cylinder 6.
The transmission rod 7 is a T-shaped rod, external threads are arranged outside a vertical rod of the T-shaped rod, a cross rod of the T-shaped rod is arranged at the outer end of the vertical rod, and a colloid anti-slip sleeve 8 is fixed outside the cross rod. The colloid anti-skid sleeve 8 can be a plastic anti-skid sleeve or a rubber anti-skid sleeve, the fixing modes of the colloid anti-skid sleeve are various, such as interference fit, hot melt adhesion, adhesion and the like, and the colloid anti-skid sleeve 8 is convenient for a constructor to apply force.
The length of the vertical rod of the transmission rod 7 is greater than the length between the forced opening cylinder 6 and the gate plate of the wellhead gate 10, so that the gate plate in the wellhead gate 10 can be effectively opened; the fracturing wellhead gate pressure-bearing forced opening tool can be manufactured according to the model of the wellhead gate 10 and the thread model series of the hand wheel operation end and the balance end. According to the model of the well head gate 10 and the condition of the specific model of the connecting thread, the pressure-bearing cylinder 1 and the forced opening cylinder 6 with different sizes and thread models can be processed, so that the tool is matched with a series of tools and is convenient to use.
In order to avoid the risk of losing control due to wellhead puncture, when a sealing element in the wellhead gate 10 needs to be replaced urgently, the hand wheel 11, the hand wheel operation end cover 12 and the balance end cover 14 in the wellhead gate 10 are disassembled, the screw thread type in the wellhead gate 10 is mapped, and the pressure-bearing cylinder 1 corresponding to the wellhead gate 10 and the tool for forcibly opening the cylinder 6 are selected. And the gate is forcibly opened in time, and the damaged wellhead gate 10 is repaired or the sealing element or the whole gate is replaced.
When maintaining, changing damaged well head gate 10, install pressure-bearing cylinder 1 and force in well head gate 10 and open a section of thick bamboo 6 after, at first open a section of thick bamboo 6 pressure testing to pressure-bearing cylinder 1 and force through pressure testing equipment, the pressure testing is qualified can guarantee that this instrument has the guard action back to well head gate 10, opens well head gate 10 again by force, through putting pressure, killing the well, makes the well shaft pressure balance back, changes bad well head gate 10 again.
The embodiments described above are merely exemplary embodiments, but the present invention is not limited to these embodiments, and those skilled in the art may make modifications without departing from the spirit and teaching of the present invention. 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 modifications can be made, and equivalents can be substituted for elements thereof. Any modification, equivalent replacement, improvement and the like made within the spirit and the concept of the present invention should be included in the protection scope of the present invention. The scope of protection is therefore not limited to the description set out above.
Claims (10)
1. Fracturing well head gate pressure-bearing forces opening tool, characterized by is equipped with a pressure-bearing section of thick bamboo and forces opening a section of thick bamboo, wherein:
one end of the pressure-bearing cylinder is closed, and the other end of the pressure-bearing cylinder is provided with an internal thread;
one end of the forced opening cylinder is provided with internal threads, and a transmission rod is arranged in the cylinder body at the other end;
sealing elements are arranged in the pressure bearing cylinder and the forced opening cylinder;
the pressure bearing cylinder and the forced opening cylinder are both provided with a stop valve, and a pressure gauge is arranged on the stop valve;
the pressure-bearing cylinder and the forced opening cylinder can be respectively arranged outside the hand wheel operation end and the balance end at two sides of the wellhead gate.
2. The pressure-bearing forced opening tool of the fracturing wellhead gate as claimed in claim 1, characterized in that the pressure-bearing cylinder is a cylinder with one end closed, the other end of the cylinder is provided with a valve body connection cavity and an internal thread is arranged in the valve body connection cavity and can be connected with the valve body thread at one end of the hand wheel operation end of the wellhead gate through the internal thread.
3. The pressure-bearing forced opening tool of the fracturing wellhead gate as claimed in claim 2, wherein the inner diameter of a central hole communicated with a valve body connecting cavity of the pressure-bearing cylinder is larger than the outer diameter of a hand wheel screw of a gate hand wheel of the wellhead gate.
4. The fracturing wellhead gate pressure-bearing forced opening tool as claimed in claim 1, 2 or 3, characterized in that a sealing member is installed in the connecting end face of the valve body connecting cavity at one end of the pressure-bearing cylinder, and the pressure-bearing capacity of the pressure-bearing cylinder is above 25 Mpa; the upper end mouth of pipe of stop valve can be connected with the pressure testing pipeline or the manometer of pressure testing pump and the lower extreme mouth of pipe is connected in the barrel in the pressure-bearing cylinder and is communicate with the pressure transmission hole.
5. The pressure-bearing forced opening tool of a frac wellhead gate as claimed in claim 1, wherein said forced opening cylinder is provided with a central bore, one end of the cylinder of the forced opening cylinder is provided with a valve body connecting cavity and an internal thread and the other end of the cylinder is provided with a drive rod screw hole, the drive rod is provided with an external thread and is capable of connecting with said drive rod screw hole and passing through the central bore of the forced opening cylinder.
6. The fracturing wellhead gate pressure-bearing forced opening tool as claimed in claim 1 or 5, characterized in that the inner cavity of the forced opening cylinder is a non-constant diameter inner cavity which is respectively a valve body connecting cavity, a central hole, a diameter expanding cavity and a transmission rod connecting cavity from left to right.
7. The fracturing wellhead gate pressure-bearing forced opening tool as claimed in claim 6, wherein the valve body connecting cavity of the forced opening cylinder is internally provided with internal threads, and the valve body connecting cavity of the forced opening cylinder can be in threaded connection with the valve body at one end of the balance end of the wellhead gate; a pressure transfer hole and a sealing groove are arranged in a central hole of the forced opening cylinder; an internal thread is arranged in a transmission rod connecting cavity of the forced opening cylinder and can be in threaded connection with the transmission rod.
8. The pressure-bearing forced opening tool of a fracturing wellhead gate as claimed in claim 7, wherein the sealing members in the forced opening cylinder are respectively arranged in the connecting end face of the valve body connecting cavity and in the central hole between the diameter expanding cavity and the pressure transmission hole of the forced opening cylinder, and the pressure-bearing capacity of the forced opening cylinder is above 25 Mpa.
9. The pressure-bearing forced opening tool of a fracturing wellhead gate as claimed in claim 1, wherein the transmission rod is a T-shaped rod, external threads are arranged outside a vertical rod of the T-shaped rod, a cross rod of the T-shaped rod is arranged at the outer end of the vertical rod, and a rubber anti-slip sleeve is fixed outside the cross rod.
10. The pressure-bearing forced opening tool of a fracturing wellhead gate as claimed in claim 9, wherein the length of the vertical rod of the transmission rod is greater than the length between the forced opening cylinder and the gate plate of the wellhead gate; the fracturing wellhead gate pressure-bearing forced opening tool can be manufactured according to the model of a wellhead gate and the thread model series of a hand wheel operation end and a balance end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121943338.2U CN217735446U (en) | 2021-08-18 | 2021-08-18 | Pressure-bearing forced opening tool for fracturing wellhead gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121943338.2U CN217735446U (en) | 2021-08-18 | 2021-08-18 | Pressure-bearing forced opening tool for fracturing wellhead gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217735446U true CN217735446U (en) | 2022-11-04 |
Family
ID=83811115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121943338.2U Active CN217735446U (en) | 2021-08-18 | 2021-08-18 | Pressure-bearing forced opening tool for fracturing wellhead gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217735446U (en) |
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2021
- 2021-08-18 CN CN202121943338.2U patent/CN217735446U/en active Active
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