CN216110627U - Detachable regional well head sealing device of administering - Google Patents
Detachable regional well head sealing device of administering Download PDFInfo
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- CN216110627U CN216110627U CN202122565551.0U CN202122565551U CN216110627U CN 216110627 U CN216110627 U CN 216110627U CN 202122565551 U CN202122565551 U CN 202122565551U CN 216110627 U CN216110627 U CN 216110627U
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Abstract
The utility model relates to a detachable well mouth sealing device for regional treatment, which comprises a sealing gland, a flange plate and a sleeve, wherein the flange plate is horizontally and fixedly arranged; the sealing gland is arranged above the flange plate and is attached to the flange plate; the sleeve is coaxially sleeved outside the sealing gland in a sliding manner, can move to be tightly pressed on the upper side of the sealing gland, and is fastened on the flange plate through a plurality of fastening pieces distributed at intervals. The quick-mounting-dismounting device has the beneficial effects that the structure is simple, the quick mounting and dismounting of the flange plate and the sealing gland can be realized, the quick well sealing operation of a well mouth is realized, the operation is simple and convenient, and the operation is convenient.
Description
Technical Field
The utility model relates to the technical field of well drilling and well plugging, in particular to a detachable type wellhead plugging device for regional treatment.
Background
In the construction of water-proof and water-control well drilling and geothermal well drilling of large-diameter coal mines and the like, equipment such as a blowout preventer and the like is not installed under the general conditions due to the problems of geological conditions, construction cost and the like. And often in special cases, the opening needs to be closed for a short time, such as casing pressure test, mud circulation in the hole and the like. In the face of the situation, conventionally, a drilling tool in the hole is lifted out of the hole, and a simple well sealing device is installed. However, with the advancement of drilling techniques, or for various reasons within the hole, the drilling tool cannot be used to provide the necessary pressure within the hole to close the opening. In the face of the situation, the common well sealing device can solve the problem, but has a new problem that the drilling tool assembly needs to be continuously adjusted during installation, is troublesome to disassemble and even cannot be used under certain conditions. In view of this, we have developed a detachable separated type exploration drilling well head well plugging device through field research and experimental improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a detachable type wellhead sealing device for regional treatment and aims to solve the problems in the prior art.
The technical scheme for solving the technical problems is as follows:
a detachable well head sealing device for regional treatment comprises a sealing gland, a flange plate and a sleeve, wherein the flange plate is horizontally and fixedly arranged; the sealing gland is arranged above the flange plate and is attached to the flange plate; the coaxial gliding cover of sleeve is established outside gland, and it can move to sticis in gland's upside to detain through a plurality of interval distribution's cramp spare the ring flange.
The utility model has the beneficial effects that: in the dismouting process, the sleeve can be moved to sticis gland, and gland sticiss the ring flange, and the ring flange is withheld to the cramp of a plurality of interval distribution of sleeve accessible to realize ring flange and gland's quick assembly disassembly, easy dismounting. The quick-mounting type well plugging device is simple in structure, can realize quick mounting and dismounting of the flange plate and the sealing gland, further realizes quick well plugging operation of a well mouth, and is simple and convenient to operate.
On the basis of the technical scheme, the utility model can be further improved as follows.
Further, the sleeve is in a structure with a thin upper end and a thick lower end, the thick end of the sleeve is sleeved outside the sealing gland in a coaxial sliding mode, a plurality of fastening pieces are arranged outside the sealing gland, and the thin end of the fastening piece is tightly pressed on the sealing gland.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design, the sleeve can be moved to its butt and sticiss the ring flange, the tip sticiss gland, and here utilizes the particularity of sleeve structure to make its both ends sticis gland and ring flange to utilize the cramp to detain the ring flange, realize the quick assembly disassembly of ring flange and gland, thereby accomplish the well shut-in operation, easy and simple to handle, labour saving and time saving.
Furthermore, the upper end of the sleeve is closed, the lower end of the sleeve is open, the side wall of the sleeve is sleeved outside the sealing gland in a coaxial sliding mode and is provided with a plurality of fastening pieces, and the closed end of the sleeve is tightly pressed on the sealing gland.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design, the sleeve can move to its open end and sticiss the ring flange, blind end sticiss sealing gland, and here utilizes the particularity of sleeve structure to make its both ends sticis sealing gland and ring flange to utilize the cramp to detain the ring flange, realize ring flange and sealing gland's quick assembly disassembly, thereby accomplish the well-closing operation, easy and simple to handle, labour saving and time saving.
The two schemes are parallel, and both can realize that the sleeve compresses the sealing gland and the flange plate, the sleeve compresses the sealing gland by using the thin end of the sleeve, and the flange plate compresses the sealing gland by using the closed end of the sleeve, so that the sleeve saves more materials.
Furthermore, a positioning ring is sleeved outside the sleeve in a coaxial sliding and positioning mode, and one end of each fastening piece is rotatably connected with the positioning ring.
The beneficial effect who adopts above-mentioned further scheme is that the dismouting in-process, reciprocates through the holding ring and drives a plurality of cramps and reciprocate to a plurality of cramps are detained or are loosened the ring flange, realize ring flange and gland's quick assembly disassembly, thereby accomplish the well shut operation, and is easy and simple to handle, labour saving and time saving.
Furthermore, the sleeve is externally threaded with a positioning ring, and one end of each fastening piece is respectively connected with the positioning ring in a rotating manner.
The technical scheme has the advantages that in the dismounting process, the positioning ring is manually unscrewed to enable the positioning ring to move up and down along the sleeve, the positioning ring drives the fastening pieces to move up and down, so that the fastening pieces fasten or loosen the flange plate, and the flange plate and the sealing gland are quickly dismounted, so that the well sealing operation is completed, the operation is simple and convenient, and time and labor are saved; in addition, the positioning ring is automatically positioned by utilizing the threaded connection between the positioning ring and the sleeve, and the positioning is convenient.
Furthermore, one end of each of the fastening pieces is rotatably connected with the sleeve and positioned, and the fastening pieces can rotate to the other end to fasten the flange plate.
The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design, the sleeve can move to its butt and sticiss the ring flange, the tip sticiss sealing gland to utilize the cramp to detain the ring flange, realize ring flange and sealing gland's quick assembly disassembly, thereby accomplish the well shut-in operation, easy and simple to handle, labour saving and time saving.
Above-mentioned two kinds of schemes are the scheme side by side, and the two all can realize that a plurality of cramps detain the ring flange, but the former can change a plurality of cramps's position in a flexible way, conveniently detains the ring flange, and the operation is lighter simple and convenient.
Furthermore, the plurality of fastening pieces are respectively of arc-shaped rod-shaped structures, one end of each fastening piece is rotatably connected with the sleeve, and the other end of each fastening piece is of a hook-shaped structure.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design, the ring flange is conveniently withheld to the cramp of this structure, guarantees the stability of ring flange to guarantee the leakproofness of well head shut-in.
Furthermore, the fastening pieces are in L-shaped rod-shaped structures respectively.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design, the ring flange is conveniently withheld to the cramp of this structure, guarantees the stability of ring flange to guarantee the leakproofness of well head shut-in.
Above-mentioned two kinds of schemes are the scheme side by side, and the two all can realize that the cramp tightly buckles the ring flange, guarantees the stability of ring flange to guarantee the leakproofness of well head shut-in.
Further, sealing elements are respectively arranged between the flange plate and the sleeve and/or between the sleeve and the sealing gland.
The beneficial effect who adopts above-mentioned further scheme is simple structure, and reasonable in design seals between ring flange and the sleeve and between sleeve and the gland through the sealing member, increases the leakproofness of well head, avoids the material to take place to reveal in the well.
Furthermore, the upper end of the sleeve is provided with a through hole for a drill rod and a drill tool which are fixedly connected with the sealing gland to pass through.
The beneficial effects of adopting the above-mentioned further scheme are that simple structure, reasonable in design makes things convenient for the installation of drilling rod drilling tool.
Drawings
FIG. 1 is a schematic view of the first embodiment of the present invention in its installed configuration;
FIG. 2 is a disassembled schematic view of the first embodiment of the present invention;
FIG. 3 is a schematic view of the second embodiment of the present invention in an assembled state;
fig. 4 is a schematic structural view of the second embodiment of the present invention when disassembled.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a sealing gland; 2. a flange plate; 3. a sleeve; 4. fastening pieces; 5. a positioning ring; 6. a seal member; 7. drilling a drill rod; 8. a fixing ring; 9. a sleeve connecting member.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the utility model provides a detachable wellhead sealing device for regional treatment, which comprises a sealing gland 1, a flange 2 and a sleeve 3, wherein the flange 2 is horizontally and fixedly arranged; the sealing gland 1 is arranged above the flange plate 2 and is attached to the flange plate 2; the sleeve 3 is coaxially and slidably sleeved outside the sealing gland 1, can move to be tightly pressed on the upper side of the sealing gland 1, and is buckled on the flange plate 2 through a plurality of fastening pieces 4 distributed at intervals. In the dismouting process, sleeve 3 can move to sticis gland 1, and gland 1 sticiss ring flange 2, and ring flange 2 is withheld to a plurality of interval distribution's of sleeve 3 accessible cramp piece 4 to realize ring flange 2 and gland 1's quick assembly disassembly, easy dismounting. The quick-mounting type well plugging device is simple in structure, can realize quick mounting and dismounting of the flange plate 2 and the sealing gland 1, further realizes quick well plugging operation of a well mouth, and is simple and convenient to operate.
When the device is used, the flange plate 2 is fixedly connected and communicated with the upper end of the well casing connecting part 9, namely, the flange plate 2 is fixed at the well mouth, and the lower surface of the flange plate is tightly attached to the well mouth.
Example 1
On the basis of the above structure, in the present embodiment, the upper end of the sleeve 3 is provided with a through hole for the drill rod drilling tool 7 fixedly connected with the gland 1 to pass through, that is, the lower end of the drill rod drilling tool 7 is fixedly connected with the gland 1, and the other end of the drill rod drilling tool passes through the through hole and extends upwards. The scheme has the advantages of simple structure and reasonable design, and facilitates the installation of the drill rod and the drilling tool 7.
Example 2
On the basis of embodiment 1, in this embodiment, the sleeve 3 has a structure with a thin upper end and a thick lower end, the thick end of the sleeve coaxially and slidably sleeves the sealing gland 1 and is provided with a plurality of fastening members 4, the thick end of the sleeve is pressed against the flange 2, and the thin end of the sleeve is pressed against the sealing gland 1. This scheme simple structure, reasonable in design, sleeve 3 can be moved to its butt sticiss ring flange 2, the tip sticiss gland 1, and the particularity that utilizes sleeve 3 structure here makes its both ends sticis gland 1 and ring flange 2 to utilize fastener 4 to detain ring flange 2, realize ring flange 2 and gland 1's quick assembly disassembly, thereby accomplish the well shut-in operation, easy and simple to handle, labour saving and time saving.
Example 3
On the basis of embodiment 1, in this embodiment, the sleeve 3 is a cylindrical structure, the upper end of the sleeve is closed, the lower end of the sleeve is open, the side wall of the sleeve is coaxially and slidably sleeved outside the gland 1 and is provided with a plurality of fastening members 4, and the closed end of the sleeve is pressed against the gland 1. This scheme simple structure, reasonable in design, sleeve 3 can be moved to its open end and sticiss gland 2, blind end and sticiss gland 1, and the particularity that utilizes sleeve 3 structure here makes its both ends sticis gland 1 and flange 2 to utilize fastener 4 to detain flange 2, realize flange 2 and gland 1's quick assembly disassembly, thereby accomplish the well shut-in operation, easy and simple to handle, labour saving and time saving.
The above-mentioned embodiment 2 and embodiment 3 are parallel solutions, and both can realize that the sleeve 3 compresses the gland 1 and the flange 2, the former compresses the gland 1 by using its thin end, and the latter compresses the gland 1 by using its closed end, the former saves more material and occupies less space.
In addition to the above embodiments, the sleeve 3 may also be a straight cylindrical structure, and the sleeve 3 is located above the gland 1, and may be moved to press the gland 1 at its lower end to press the gland 1 against the flange 2.
Example 4
As shown in fig. 1 and 2, in the present embodiment, on the basis of any one of embodiments 1 to 3, a positioning ring 5 is coaxially slidably and fixedly sleeved outside the sleeve 3, and one ends of the plurality of fastening members 4 are rotatably connected to the positioning ring 5, respectively. In the dismouting process, reciprocate through holding ring 5 and drive a plurality of cramps 4 and reciprocate to a plurality of cramps 4 are detained or are loosened ring flange 2, realize ring flange 2 and gland 1's quick assembly disassembly, thereby accomplish the well-sealing operation, and is easy and simple to handle, labour saving and time saving.
Example 5
On the basis of embodiment 4, in this embodiment, the positioning ring 5 is provided with a screw hole penetrating through the inside and the outside, and a locking screw is connected to the screw hole through a thread. In use, the positioning ring 5 is manually moved to a set position, and then the locking screw is manually loosened to one end thereof to abut against or loosen the sleeve 3, so as to fix or loosen the positioning ring 5.
In addition to the above embodiments, the positioning ring 5 may also be mounted in other ways, such as:
the positioning ring 5 is provided with a through hole, and the sleeve 3 is provided with a plurality of screw holes at even intervals along the axial direction. When the positioning ring is used, the positioning ring 5 is manually moved until the through hole on the positioning ring is communicated with any one screw hole, and the screw is screwed into the corresponding screw hole and the through hole so as to fix the positioning ring 5.
In addition, the through hole on the positioning ring 5 may be a light hole or a screw hole.
Example 6
On the basis of any one of embodiments 1 to 3, in this embodiment, the sleeve 3 is externally screwed with the positioning ring 5, and one end of each of the plurality of fastening members 4 is rotatably connected to the positioning ring 5, that is, the inner wall of the positioning ring 5 is provided with threads along the circumferential direction thereof, and the outer wall of the sleeve 3 is provided with a thread section that is in threaded connection with the positioning ring 5. In the disassembly and assembly process, the positioning ring 5 is manually unscrewed, so that the positioning ring 5 moves up and down along the sleeve 3, the positioning ring 5 drives the fastening pieces 4 to move up and down, the fastening pieces 4 fasten or loosen the flange plate 2, and the flange plate 2 and the sealing gland 1 are quickly disassembled and assembled, so that the well sealing operation is completed, the operation is simple and convenient, and time and labor are saved; in addition, the positioning ring 5 is automatically positioned by utilizing the threaded connection between the positioning ring 5 and the sleeve 3, and the positioning is convenient.
Example 7
In the present embodiment, one end of each of the plurality of fastening members 4 is rotatably connected to and positioned at the sleeve 3 (preferably, at the open end of the sleeve 3), and is rotatable to have the other end thereof fastened to the flange 2. This scheme simple structure, reasonable in design, sleeve 3 can move to its butt sticiss ring flange 2, thin end sticiss gland 1 to utilize cramp 4 to detain ring flange 2, realize ring flange 2 and gland 1's quick assembly disassembly, thereby accomplish the well shut-in operation, easy and simple to handle, labour saving and time saving.
The schemes of the embodiment 4 and the embodiment 7 are parallel schemes, both of which can realize that the plurality of fastening pieces 4 fasten the flange plate 2, but the former can flexibly change the positions of the plurality of fastening pieces 4, thereby facilitating the fastening of the flange plate 2 and leading the operation to be easier and simpler; in the latter case, since the position of the fastening member 4 cannot be changed, the other end of the fastening member 4 needs to be forcibly fastened or released to or from the flange 2 by a worker during the mounting or dismounting.
Example 8
On the basis of embodiment 7, in this embodiment, the manner that one end of each of the plurality of fastening members 4 is rotatably connected to and positioned at the open end of the sleeve 3 may be: one end of each of the fastening pieces 4 is rotatably connected with the sleeve 3 through a hinge, and through holes are formed in the positions, close to one end, of the fastening pieces 4 and provided with screws; a plurality of screw holes corresponding to the fastening pieces 4 one by one are formed in the sleeve 3 at intervals along the circumferential direction of the sleeve. During the installation, a plurality of cramps 4 are rotated manually to it laminates with the outer wall of sleeve 3 respectively, and the through-hole and a plurality of screw intercommunication on it, then screw up the screw and insert respectively in a plurality of screw to its one end, in order to fix a plurality of cramps 4.
Example 9
As shown in fig. 3 and 4, on the basis of embodiment 7, in this embodiment, other mounting manners may also be adopted for the multiple fastening members 4, for example, one ends of the multiple fastening members 4 are respectively rotatably connected with the lower end of the sleeve 3 through hinges, and a positioning member for positioning the multiple fastening members 4 is mounted on the sleeve 3. During installation, the plurality of fastening pieces 4 are manually rotated until the other ends thereof fasten the flange plate 2; then, positioning the plurality of fastening pieces 4 by the positioning piece; during disassembly, the plurality of fastening members 4 are loosened by the positioning member, and the plurality of fastening members 4 loosen the flange plate 2.
The above-described embodiments 7 and 8 are side-by-side solutions, both of which enable the positioning of a plurality of fastening members 4.
Example 10
Based on embodiment 9, in this embodiment, the positioning element is a fixing ring 8, the fixing ring 8 can slide up and down and is positioned to be sleeved outside the sleeve 3, and it can move down to press the fastening elements 4 to fix the fastening elements 4 or move up to release the fastening elements 4.
Example 11
In addition to the embodiment 10, in this embodiment, the fixing ring 8 is in threaded connection with the sleeve 3, the inner wall of the fixing ring 8 is provided with threads, and the sleeve 3 is provided with thread segments in threaded engagement with the fixing ring 8.
In addition to the above embodiments, the fixing ring 8 may be mounted in other manners, for example, the fixing ring 8 is provided with a through hole, and the sleeve 3 is provided with a plurality of screw holes at regular intervals along the axial direction thereof. When in use, the fixing ring 8 is manually moved until the through hole on the fixing ring is communicated with any one screw hole, and the screw is screwed into the corresponding screw hole and the through hole so as to fix the fixing ring 8; when the fixing ring 8 is disassembled, the screw is unscrewed.
In addition, the through hole on the fixing ring 8 may be a unthreaded hole or a threaded hole.
Preferably, in this embodiment, the fixing ring 8 is preferably of a structure with a thin upper end and a thick lower end, the thin end of the fixing ring is in threaded connection with the sleeve 3, and the thick end of the fixing ring is effective to avoid the plurality of fastening members 4 and press the fastening members 4 tightly.
Example 12
On the basis of the above embodiments, in the present embodiment, the fastening members 4 are respectively in an arc-shaped rod-like structure, and one end thereof is rotatably connected to the sleeve 3, and the other end thereof is in a hook-like structure. This scheme simple structure, reasonable in design, the ring flange 2 is conveniently withheld to the cramp 4 of this structure, guarantees the stability of ring flange 2 to guarantee the leakproofness of well head shut-in.
Example 13
In addition to the above embodiments, in the present embodiment, the plurality of fastening members 4 are each in an L-shaped rod-like structure, and one end thereof is rotatably connected to the sleeve 3. This scheme simple structure, reasonable in design, the ring flange 2 is conveniently withheld to the cramp 4 of this structure, guarantees the stability of ring flange 2 to guarantee the leakproofness of well head shut-in.
The scheme of the above embodiment 11 and the scheme of the embodiment 12 are parallel schemes, and both can realize that the fastening piece 4 fastens the flange plate 2 tightly, so that the stability of the flange plate 2 is ensured, and the sealing performance of the well head for sealing is ensured.
Example 14
In addition to the above embodiments, in the present embodiment, the seal members 6 are respectively installed between the flange 2 and the sleeve 3 and/or between the sleeve 3 and the gland 1. This scheme simple structure, reasonable in design seals between ring flange 2 and the sleeve 3 and between sleeve 3 and gland 1 through sealing member 6, increases the leakproofness of well head, avoids the interior material of well to take place to reveal.
Based on the above solution, when installing, the sealing member 6 is first placed at the corresponding position, and then the sleeve 3 is pressed against the gland 1 and the flange 2.
The seal 6 between the flange 2 and the sleeve 3 and the seal 6 between the sleeve 3 and the gland 1 may be the same size or different sizes.
Example 15
On the basis of the embodiment 14, in this embodiment, the sealing member 6 is preferably a sealing ring, which increases the sealing performance between the flange 2 and the sleeve 3 and/or between the sleeve 3 and the gland 1.
The working principle of the utility model is as follows:
during installation, firstly, a worker manually sleeves the sleeve 3 on the sealing gland 1, so that two ends of the sleeve 3 respectively press the sealing gland 1 and the flange 2; then, manually rotating the plurality of fastening pieces 4 until the other ends thereof fasten the flange plate 2, and positioning in any one way to realize the sealing of the well mouth;
when the sealing gland is disassembled, the plurality of fastening pieces 4 are loosened in any one mode, then the other ends of the plurality of fastening pieces 4 are separated from the flange plate 2, and the separation of the flange plate 2 and the sealing gland 1 is realized.
The utility model can solve the problem of orifice sealing in the construction of water-control drilling and geothermal drilling of large-diameter coal mines and the like, avoid frequently allocating drilling tool combinations, reduce the accidents in the well within a certain range, shorten the construction period, save the cost, ensure the drilling quality and reduce the disassembly time of a common well sealing device and the condition that the well sealing device cannot be used under special conditions.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a well head shut-in device is administered to detachable region which characterized in that: the sealing device comprises a sealing gland (1), a flange plate (2) and a sleeve (3), wherein the flange plate (2) is horizontally and fixedly arranged; the sealing gland (1) is arranged above the flange plate (2) and is attached to the flange plate (2); the coaxial gliding cover of sleeve (3) is established outside gland (1), and it can move to sticis in the upside of gland (1) to detain through a plurality of interval distribution's cramp piece (4) ring flange (2).
2. The removable type wellhead sealing device for regional treatment according to claim 1, wherein: the sleeve (3) is of a structure with a thin upper end and a thick lower end, the thick end of the sleeve is sleeved with the sealing gland (1) in a coaxial sliding mode, a plurality of fastening pieces (4) are arranged outside the sealing gland (1), and the thin end of the sleeve is tightly pressed on the sealing gland (1).
3. The removable type wellhead sealing device for regional treatment according to claim 1, wherein: the upper end of sleeve (3) is sealed, the lower extreme is uncovered, and its lateral wall coaxial gliding cover is established outside gland (1) and be equipped with a plurality ofly fastener (4), its closed end sticiss gland (1).
4. A removable zone governance wellhead shut-in device according to any one of claims 1 to 3, wherein: the sleeve that coaxial slip and location outside sleeve (3) is equipped with holding ring (5), and is a plurality of the one end of cramp (4) respectively with holding ring (5) rotate and are connected.
5. A removable zone governance wellhead shut-in device according to any one of claims 1 to 3, wherein: the sleeve (3) is connected with a positioning ring (5) through external threads, and the fastening piece (4) is connected with the positioning ring (5) in a rotating mode at one end.
6. A removable zone governance wellhead shut-in device according to any one of claims 1 to 3, wherein: one end of each fastening piece (4) is rotatably connected with the sleeve (3) and positioned, and the other end of each fastening piece can rotate to fasten the flange (2).
7. A removable zone governance wellhead shut-in device according to any one of claims 1 to 3, wherein: the fastening pieces (4) are respectively of arc-shaped rod-shaped structures, one end of each fastening piece is rotatably connected with the sleeve (3), and the other end of each fastening piece is of a hook-shaped structure.
8. A removable zone governance wellhead shut-in device according to any one of claims 1 to 3, wherein: the fastening pieces (4) are in L-shaped rod-shaped structures respectively, and one ends of the fastening pieces are connected with the sleeve (3) in a rotating mode respectively.
9. A removable zone governance wellhead shut-in device according to any one of claims 1 to 3, wherein: and sealing elements (6) are respectively arranged between the flange plate (2) and the sleeve (3) and/or between the sleeve (3) and the sealing gland (1).
10. A removable zone governance wellhead shut-in device according to any one of claims 1 to 3, wherein: the upper end of the sleeve (3) is provided with a through hole for a drill rod drilling tool (7) fixedly connected with the sealing gland (1) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565551.0U CN216110627U (en) | 2021-10-25 | 2021-10-25 | Detachable regional well head sealing device of administering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565551.0U CN216110627U (en) | 2021-10-25 | 2021-10-25 | Detachable regional well head sealing device of administering |
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| Publication Number | Publication Date |
|---|---|
| CN216110627U true CN216110627U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122565551.0U Active CN216110627U (en) | 2021-10-25 | 2021-10-25 | Detachable regional well head sealing device of administering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909101A (en) * | 2022-06-02 | 2022-08-16 | 中海石油(中国)有限公司深圳分公司 | Underwater temporary well plugging device |
-
2021
- 2021-10-25 CN CN202122565551.0U patent/CN216110627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909101A (en) * | 2022-06-02 | 2022-08-16 | 中海石油(中国)有限公司深圳分公司 | Underwater temporary well plugging device |
| CN114909101B (en) * | 2022-06-02 | 2023-09-29 | 中海石油(中国)有限公司深圳分公司 | Underwater temporary well sealing device |
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