CN217481227U - Detachable well head structure - Google Patents
Detachable well head structure Download PDFInfo
- Publication number
- CN217481227U CN217481227U CN202221082689.3U CN202221082689U CN217481227U CN 217481227 U CN217481227 U CN 217481227U CN 202221082689 U CN202221082689 U CN 202221082689U CN 217481227 U CN217481227 U CN 217481227U
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- plate
- cross
- shaped
- rectangular frame
- demountable
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- 238000005553 drilling Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model provides a detachable well head structure, include: the rectangular frame comprises four first I-shaped beams which are connected end to form the rectangular frame; the four second I-beams form a cross structure through cross connecting pieces, and the cross structure is arranged in the rectangular frame to form a field-shaped structure; one end of each second I-beam is connected with one end of the cross-shaped connecting piece through threads, and the other end of the same second I-beam is connected with the inner side of the rectangular frame through threads. The utility model divides the structure of the Chinese character 'tian' into the rectangular frame and the cross structure, so that the whole structure can be more easily disassembled and reassembled; and simultaneously, the utility model discloses a but the split of cross structure is cross connecting piece and four second I-beams, further makes cross structure easily remove.
Description
Technical Field
The utility model relates to an offshore oil platform's technical field especially relates to a technical field of detachable well head structure.
Background
At present, the wellhead area of the jacket platform is generally arranged in a grid pattern of a field, and the distance between the wellholes is 2.2m multiplied by 2.2 m. After the drilling and completion of single well operation, well mouth facilities such as a blowout preventer, an expansion joint, a lifting pipe and the like need to be removed, and then continuous operation of a lower well can be carried out; when the well drilling and completion operation of the lower well is carried out, well mouth facilities such as a blowout preventer, an expansion joint, a lifting pipe and the like need to be installed, so that the well drilling and completion operation needs to frequently move a derrick to disassemble and assemble the well mouth facilities, time and labor are wasted, and the risk of the well drilling and completion operation is increased.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of the prior art, the utility model aims to provide a detachable well head structure for well head dismouting is difficult technical problem in the time of solving prior art.
To achieve the above and other related objects, the present invention provides a detachable wellhead structure, including:
the rectangular frame comprises four first I-shaped beams which are connected end to form the rectangular frame;
the four second I-beams form a cross structure through cross connecting pieces, and the cross structure is arranged in the rectangular frame to form a field-shaped structure; one end of each second I-shaped beam is connected with one end of the cross-shaped connecting piece through threads, and the other end of the same second I-shaped beam is connected with the inner side of the rectangular frame through threads.
Preferably: and rib plates are arranged on the inner sides of the first I-shaped beams.
Preferably: two sides of the web plate of the second I-beam in the length direction protrude in the length direction; and one outward end of the second I-shaped beam is in threaded connection with the rib plate, and one inward end of the second I-shaped beam is in threaded connection with the cross connecting piece.
Preferably: the side face of the rib plate is connected to the inward-facing web plate of the first I-beam, the upper end of the rib plate is connected to the lower end face of the upper wing plate of the first I-beam, and the lower end of the rib plate is connected to the upper end face of the lower wing plate of the first I-beam.
Preferably: the cross connecting piece comprises a top plate, a bottom plate, a first supporting plate and two second supporting plates; the bottom plate is provided with a first supporting plate, the two sides of the first supporting plate are respectively provided with a second supporting plate, and the second supporting plates are perpendicularly connected with the first supporting plate.
Preferably: and one inward end of the second I-shaped beam is in threaded connection with the first support plate or the second support plate.
Preferably: the height of the second I-beam is smaller than that of the first I-beam.
As the above, the utility model discloses a detachable well head structure has following beneficial effect:
the utility model divides the structure of the Chinese character 'tian' into the rectangular frame and the cross structure, so that the whole structure can be more easily disassembled and reassembled; and simultaneously, the utility model discloses a but the split of cross structure is cross connecting piece and four second I-beams, further makes cross structure easily remove.
Drawings
FIG. 1 is a schematic illustration of a demountable wellhead structure according to one embodiment;
FIG. 2 is an enlarged view of a junction between a first I-beam and a second I-beam of a demountable wellhead structure according to the present embodiment;
FIG. 3 shows an enlarged view of four second I-beams and cross-connectors for a demountable wellhead structure in this embodiment;
fig. 4 shows a schematic view of the connection of a first i-beam and a second i-beam of a demountable wellhead structure in the present embodiment;
FIG. 5 is a top view of a first support plate and two second support plate connection bottom plates of a detachable wellhead structure in the present embodiment;
fig. 6 shows a schematic view of the connection of a second i-beam and a cross connection of a demountable wellhead structure according to the present embodiment.
Description of the reference symbols
1 rectangular frame
11 first i-beam
111 rib plate
112 web
113 upper wing plate
114 lower wing plate
2-cross structure
21 second i-beam
211 web
22 cross connecting piece
221 ceiling plate
222 backplane
223 first support plate
224 second support plate
Detailed Description
The following description is given for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present invention.
As shown in fig. 1, the utility model provides a detachable well head structure, include:
the rectangular frame 1 comprises four first I-shaped beams 11, and the four first I-shaped beams 11 are connected end to form the rectangular frame 1;
the four second I-beams 21 form a cross structure 2 through cross connecting pieces 22, and the cross structure 2 is arranged in the rectangular frame 1 to form a Chinese character 'tian' (namely the integral structure of the utility model); one end of each second i-beam 21 is connected with one end of the cross-shaped connecting piece 22 through threads, and the other end of the same second i-beam 21 is connected with the inner side of the rectangular frame 1 through threads.
The utility model forms a rectangular frame 1 by arranging the first I-shaped beam 11 structure, thereby forming the fixation to the well mouth; subsequently, the utility model discloses a four second I-beams 21 and the cross connecting piece 22 that set up form cross structure 2 to locate this cross structure 2 in the rectangle frame 1, thereby form field word structure, make things convenient for arranging of well head facility.
In order to meet the use requirements; the first I-beam 11 is made of welded structural steel, and the yield strength is 490 Mpa; similarly, the second I-beam 21 is made of carbon structural steel and has a yield strength of 235 MPa.
In order to enable the first i-beam 11 to be fixed to the second i-beam 21; as shown in fig. 2, a rib plate 111 is now provided on the inner side of the first i-beam 11; specifically, the side surface of the rib plate 111 is connected to the inward side of the web 112 of the first i-beam 11, the upper end of the rib plate 111 is connected to the lower end surface of the upper wing plate 113 of the first i-beam 11, and the lower end of the rib plate 111 is connected to the upper end surface of the lower wing plate 114 of the first i-beam 11. The web 111 may be attached to the first i-beam 11 by welding or by integral forming.
In this embodiment, as shown in fig. 2 and 3, both sides of the web 211 of the second i-beam 21 in the length direction protrude, so that the protruding portion can be connected to the connecting rib 111 or the cross connecting member 22; specifically, as shown in fig. 2, an outward end of the second i-beam 21 is screwed to the rib 111, and as shown in fig. 3, an inward end of the second i-beam 21 is screwed to the cross connection member 22. Specifically, taking the rib plate 111 and the second i-beam 21 as an example, a plurality of connecting holes are formed in the rib plate 111, and meanwhile, corresponding through holes are formed in the web plate 211 of the corresponding second i-beam 21; at this time, the user passes through the connection holes and the through holes by bolts and tightens the bolts by nuts, thereby fixing the web 211 of the second i-beam 21 to the rib plate 111.
Preferably, each rib 111 has a thickness of 15mm, and each rib 111 is provided with 3 bolt holes, which are phi 22 mm.
In order to enable the inward ends of the four second i-beams 21 to be connected to form a cross structure 2; as shown in fig. 2 and 4, a cross connector 22 is now provided, the cross connector 22 comprising a top plate 221, a bottom plate 222, a first support plate 223 and two second support plates 224; the bottom plate 222 is provided with a first support plate 223, two sides of the first support plate 223 are respectively provided with a second support plate 224, and the second support plates 224 are vertically connected to the first support plate 223.
Preferably, the top plate 221 and the bottom plate 222 are made of Q235B and have a thickness of 20mm, and are connected by welding.
Preferably, the first support plate 223 and the second support plate 224 have a thickness of 15mm, and are connected by welding.
In order to be able to connect the second i-beam 21 to the cross connection 22, in particular, the inward end of the web 211 of the second i-beam 21 is now screwed to the first support plate 223 or the second support plate 224.
In order to make the upper end face of the overall structure flat, the upper wing plate 211 of the second i-beam 21 is now flush with the upper wing plate 113 of the first i-beam 11. Meanwhile, in order to prevent the lower wing plate of the second i-beam 21 from being lower than the lower wing plate 114 of the first i-beam 11 and prevent the lower wing plate of the second i-beam 21 from supporting the overall structure, the height of the second i-beam 21 is now set to be smaller than the height of the first i-beam 11.
In summary, the utility model splits the structure of the Chinese character 'tian' into the rectangular frame 1 and the cross structure 2, so that the whole structure can be more easily disassembled and reassembled; meanwhile, the cross structure 2 of the utility model can be divided into the cross connecting piece 22 and the four second I-beams 21, so that the cross structure 2 is further easy to move; in addition, the utility model discloses a can make second I-beam 21 effectively be connected to cross connecting piece 22 or rectangle frame 1, make the both ends of the web 211 of second I-beam 21 outstanding; accordingly, a first support plate 223 and a second support plate 224 are provided on the cross connection 22, and a rib plate 111 is provided inside the first i-beam 11.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (8)
1. A collapsible wellhead structure, comprising:
the rectangular frame comprises four first I-shaped beams which are connected end to form the rectangular frame;
the four second I-beams form a cross structure through cross connecting pieces, and the cross structure is arranged in the rectangular frame to form a field-shaped structure; one end of each second I-shaped beam is connected with one end of the cross-shaped connecting piece through threads, and the other end of the same second I-shaped beam is connected with the inner side of the rectangular frame through threads.
2. A demountable wellhead structure according to claim 1, wherein: and rib plates are arranged on the inner sides of the first I-shaped beams.
3. A demountable wellhead structure according to claim 2, wherein: two sides of the web plate of the second I-shaped beam protrude towards the length direction; the outward end of the second I-shaped beam is in threaded connection with the rib plate, and the inward end of the second I-shaped beam is in threaded connection with the cross-shaped connecting piece.
4. A demountable wellhead structure according to claim 2, wherein: the side face of the rib plate is connected to the inward-facing web plate of the first I-beam, the upper end of the rib plate is connected to the lower end face of the upper wing plate of the first I-beam, and the lower end of the rib plate is connected to the upper end face of the lower wing plate of the first I-beam.
5. A demountable wellhead structure according to claim 2, wherein: the thickness of the rib plate is 15mm, and the rib plate is provided with three bolt holes.
6. A demountable wellhead structure according to claim 1, wherein: the cross connecting piece comprises a top plate, a bottom plate, a first supporting plate and two second supporting plates; the bottom plate is provided with a first supporting plate, the two sides of the first supporting plate are respectively provided with a second supporting plate, and the second supporting plates are perpendicularly connected with the first supporting plate.
7. A demountable wellhead structure according to claim 6, wherein: and one inward end of the second I-shaped beam is in threaded connection with the first support plate or the second support plate.
8. A demountable wellhead structure according to claim 1, wherein: the height of the second I-beam is smaller than that of the first I-beam, and the upper wing plate of the second I-beam is flush with the upper wing plate of the first I-beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221082689.3U CN217481227U (en) | 2022-05-07 | 2022-05-07 | Detachable well head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221082689.3U CN217481227U (en) | 2022-05-07 | 2022-05-07 | Detachable well head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481227U true CN217481227U (en) | 2022-09-23 |
Family
ID=83310332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221082689.3U Expired - Fee Related CN217481227U (en) | 2022-05-07 | 2022-05-07 | Detachable well head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481227U (en) |
-
2022
- 2022-05-07 CN CN202221082689.3U patent/CN217481227U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |