CN215292445U - Pipeline system connected with underwater wellhead Christmas tree in limited space - Google Patents
Pipeline system connected with underwater wellhead Christmas tree in limited space Download PDFInfo
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- CN215292445U CN215292445U CN202120366673.4U CN202120366673U CN215292445U CN 215292445 U CN215292445 U CN 215292445U CN 202120366673 U CN202120366673 U CN 202120366673U CN 215292445 U CN215292445 U CN 215292445U
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Abstract
The utility model provides a pipe-line system who is connected with underwater well head christmas tree in restriction space, including pipeline quick connector, anchor assembly, straight tube nipple joint and return bend, the exit linkage pipeline quick connector of christmas tree pipeline, anchor assembly is connected to pipeline quick connector's exit end, and the straight tube nipple joint is connected to anchor assembly's exit end, the exit end connecting elbow of straight tube nipple joint, and the exit end of return bend is connected with the manifold pipeline. The quick pipeline connector is connected with the Christmas tree pipeline, the outlet of the quick pipeline connector is connected with the anchoring part, the pipeline reversing is completed, and the problem of pipeline reversing in a limited space is solved.
Description
Technical Field
The utility model discloses the technique belongs to deep water ocean engineering pipe connection technical field, relates to a pipe-line system who is connected with underwater well head production tree in restriction space.
Background
The deep water ocean engineering mostly adopts a development mode of 'underwater facilities + connecting pipelines + pipe manifolds + seabed pipelines + floating structures + export pipelines + land terminals' or 'underwater facilities + connecting pipelines + pipe manifolds + seabed pipelines + floating structures + export ships', and underwater wellhead oil and gas resources not only have high-temperature and high-pressure characteristics, but also need to consider the operation space restriction requirements of a BOP (blowout preventer BOP and bottom riser assembly LMRP), and need to pass through the underwater pipelines to the floating structures after being processed by the aid of the pipe manifolds. The pipeline system for connecting the underwater Christmas tree and the manifold in the limited space needs to bear loads such as high temperature, high pressure and wave flow combined action, meanwhile, the narrow space between the underwater Christmas tree and the BOP group brings great challenges to underwater installation, and the pipeline system is a key component of a neck for ocean engineering development. If improperly designed, this can result in a shutdown and leakage risk.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving above-mentioned technical problem to a certain extent.
In order to solve the technical problem, the utility model provides a pipe-line system who is connected with underwater wellhead production tree in restriction space, simple structure can satisfy the installation needs in narrow and small space.
The utility model provides a pipe-line system who is connected with underwater well head christmas tree in restriction space for connect subsea christmas tree pipeline and manifold pipeline, a serial communication port, including pipeline quick connector, anchor assembly, straight tube nipple joint and return bend, the exit linkage of christmas tree pipeline quick connector, the exit end of pipeline quick connector is connected anchor assembly, anchor assembly's exit end is connected the straight tube nipple joint, the exit end of straight tube nipple joint is connected the return bend, the exit end of return bend with the manifold pipeline is connected.
Further, the quick connector for the pipeline comprises a female connector head, a male connector head, a sealing ring, a sleeve and a shell, the female connector head is welded at the outlet end of the Christmas tree pipeline, the sealing ring is arranged between one end of the male connector head and the female connector head, the sleeve is welded at the other end of the male connector head, the female connector head and the male connector head are clamped and sealed in the shell, and the shell is connected with the Christmas tree pipeline through bolts.
Furthermore, the anchoring piece is an L-shaped pipe fitting, the outlet end of the sleeve pipe is inserted into the inlet end of the anchoring piece and welded with the inlet end of the anchoring piece, and the outlet end of the anchoring piece is inserted into the inlet end of the straight pipe nipple and welded with the inlet end of the straight pipe nipple.
Furthermore, a second pipeline quick connector is connected between the outlet end of the elbow and the manifold pipeline.
Furthermore, the quick pipeline connector, the anchoring piece, the straight pipe nipple and the bent pipe are all made of carbon steel.
Furthermore, the outer wall and the inner wall of the pipeline quick connector, the anchoring piece, the straight pipe short section and the bent pipe are coated with anticorrosive coatings.
Further, the connector female head, the connector male head and the shell are forged pieces.
The utility model has the advantages that: the utility model provides a pipe-line system who is connected with underwater well head christmas tree in restriction space, including pipeline quick connector, anchor assembly, straight tube nipple joint and return bend, the exit linkage pipeline quick connector of christmas tree pipeline, anchor assembly is connected to pipeline quick connector's exit end, and the straight tube nipple joint is connected to anchor assembly's exit end, the exit end connecting elbow of straight tube nipple joint, and the exit end of return bend is connected with the manifold pipeline. The quick pipeline connector is connected with the Christmas tree pipeline, the outlet of the quick pipeline connector is connected with the anchoring part, the pipeline reversing is completed, and the problem of pipeline reversing in a limited space is solved.
Drawings
FIG. 1 is a schematic diagram of the overall configuration of a piping system of the present invention connected to an underwater wellhead Christmas tree within a confined space;
FIG. 2 is a schematic diagram of the quick pipe connector of the present invention in a piping system connected to an subsea wellhead Christmas tree within a confined space;
FIG. 3 is a schematic diagram of the construction of an anchor in a piping system of the present invention connected to an subsea wellhead Christmas tree within a confined space;
FIG. 4 is a diagram of the relative positions of the BOP package and the Christmas tree tubing in actual use in a tubing system connected to an underwater wellhead Christmas tree within a confined space in accordance with the present invention;
in the drawings, 1-pipe quick connector; 11-connector female; 12-connector male; 13-sealing ring; 14-a sleeve; 15-a housing; 2-an anchor member; 3-straight pipe nipple; 4-bending the pipe; 5-christmas tree piping; 6-manifold pipes; 7-a second pipe quick connector; 8-BOP package.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
According to the utility model discloses a pipe-line system who is connected with underwater well head production tree in restriction space for connect production tree pipeline 5 and manifold pipeline 6 under water, it is shown by figure 1 ~ 4, including pipeline quick connector 1, anchor assembly 2, straight tube nipple joint 3 and return bend 4, the exit linkage pipeline quick connector 1 of production tree pipeline 5, anchor assembly 2 is connected to pipeline quick connector's exit end, straight tube nipple joint 3 is connected to anchor assembly 2's exit end, return bend 4 is connected to the exit end of straight tube nipple joint 3, the exit end of return bend 4 is connected with manifold pipeline 6. In practical application, a straight pipe nipple 3 and a bent pipe 4 can be additionally arranged in the system to meet engineering requirements.
According to the utility model discloses a pipe-line system that is connected with underwater well head production tree in restriction space, shown by figure 2, pipeline quick connector 1 is including female head 11 of connector, the public head 12 of connector, sealing washer 13, sleeve 14 and shell 15, the female first 11 welding of connector is at the exit end of production tree pipeline 5, be provided with sealing washer 13 between the one end of the public head 12 of connector and the female head 11 of connector, the other end welding of the public head 12 of connector has sleeve 14, the public head 12 joint of connector and the public head 12 joint of connector just seal in shell 15, shell 15 and production tree pipeline 5 bolted connection. The sealing connection of the female connector 11 and the male connector 12 can effectively ensure the connection of the Christmas tree pipeline 5 and the anchoring part 2, avoid leakage, and meanwhile, the connection of the Christmas tree pipeline 5 and the anchoring part 2 can be facilitated through the connection of the pipeline connectors.
According to the utility model discloses a pipeline system that is connected with underwater well head production tree in restriction space, shown by figure 1 ~ 4, anchor assembly 2 is L-shaped pipe fitting, and anchor assembly 2's entry end and the entry end welding with anchor assembly 2 are inserted to sleeve 14's exit end, and anchor assembly 2's exit end inserts straight tube nipple joint 3's entry end and welds with straight tube nipple joint 3's entry end. The anchoring piece 2 is L-shaped and can complete the pipeline reversing.
According to the utility model discloses a pipe-line system that embodiment one kind is connected with the subsea wellhead production tree in the restriction space, by shown in figure 1, still be connected with second pipeline quick connector 7 between the exit end of return bend 4 and manifold pipeline 6. The second pipe quick connector 7 may facilitate connection of the elbow 4 to the manifold pipe 6. The second pipe quick connector 7 has the same structure as the pipe quick connector 1.
According to the utility model discloses a pipe-line system that embodiment one kind is connected with the underwater wellhead production tree in the restriction space, the material of pipeline quick connector 1, anchor assembly 2, straight tube nipple joint 3 and return bend 4 is the carbon steel. Sufficient deepwater strength can be ensured. The outer walls and the inner walls of the pipeline quick connector 1, the anchoring piece 2, the straight pipe short section 3 and the bent pipe 4 are coated with anticorrosive coatings. Deep water corrosion is avoided.
According to the utility model discloses a pipe-line system that is connected with underwater wellhead production tree in restriction space, by shown in fig. 1-4, connector female head 11, connector male head 12 and shell 15 are the forging. High strength and toughness.
According to the utility model discloses a pipe-line system that embodiment one kind is connected with underwater wellhead production tree in restriction space, its design, manufacturing, land are built and marine installation concrete implementation step as follows:
1. determining the general shape of a rigid pipeline connecting a Christmas tree and a manifold according to the sizes of the Christmas tree and a BOP (blow-off valve) group at a well head, the relative position of the manifold, the temperature and the pressure of a conveying medium, the numerical value of environmental wave flow and the like;
2. carrying out integral structural design according to a finite element method, and designing the sizes, the wall thicknesses and the like of the anchoring part 2, the straight pipe nipple 3, the elbow and the like;
3. according to design requirements, the pipeline quick connector 1, the anchoring part 2, the straight pipe short section 3 and the elbow are pre-welded, and the straight pipe short section 3 is welded in a fixed length mode;
4. carrying out underwater configuration and assembly on land, and carrying out tests such as site sealing, hydrostatic test and the like;
5. after the field test meets the standard requirements, all components are subjected to anticorrosive coating and coating operation of parts with special colors;
6. injecting ethylene glycol into the rigid connecting pipeline structure, plugging the ends of the two connectors by using gel, and plugging by using a matched connector plugging cap;
7. transporting the ultra-long rigid connection pipeline system to a field operation ship;
8. lowering the rigid connection pipeline system to a position 1 meter above the preset position through a crane on the operation ship;
9. the underwater robot breaks the sling and opens the end plugging cap of the super-long rigid connecting pipeline;
10. respectively butting the overlong rigid connecting pipeline system with a wellhead Christmas tree and connectors on a manifold and the like by virtue of an underwater robot;
11. after the butt joint is finished, performing underwater measurement and tightness test;
12. and completing the test and the installation.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (7)
1. The utility model provides a pipe-line system who is connected with underwater wellhead production tree in restriction space for connect production tree pipeline and manifold pipeline under water, its characterized in that, including pipeline quick connector, anchor assembly, straight tube nipple joint and return bend, the exit linkage of production tree pipeline quick connector, the exit end of pipeline quick connector is connected anchor assembly, the exit end of anchor assembly is connected the straight tube nipple joint, the exit end of straight tube nipple joint is connected the return bend, the exit end of return bend with the manifold pipeline is connected.
2. The piping system according to claim 1, wherein said quick connector for piping comprises a female connector, a male connector, a seal ring, a sleeve and a housing, said female connector is welded to the outlet end of said christmas tree piping, said seal ring is disposed between one end of said male connector and said female connector, said sleeve is welded to the other end of said male connector, said female connector and said male connector are engaged and sealed in said housing, and said housing is bolted to said christmas tree piping.
3. A pipeline system according to claim 2, wherein the anchoring member is an L-shaped pipe member, the outlet end of the sleeve is inserted into and welded to the inlet end of the anchoring member, and the outlet end of the anchoring member is inserted into and welded to the inlet end of the straight pipe sub.
4. The conduit system according to claim 1, wherein a second conduit quick connector is further connected between the outlet end of the elbow and the manifold conduit.
5. The piping system according to claim 1, wherein said quick pipe connector, said anchoring member, said straight pipe nipple and said elbow are made of carbon steel.
6. The piping system for a subsea wellhead tree in a confined space as claimed in claim 1 wherein said quick pipe connector, said anchor, said straight pipe sub and said elbow are coated with an anti-corrosive coating on the outer and inner walls thereof.
7. A pipe system for connection to a subsea wellhead production tree within a confined space according to claim 2 and wherein said connector female head, said connector male head and housing are each forged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366673.4U CN215292445U (en) | 2021-02-09 | 2021-02-09 | Pipeline system connected with underwater wellhead Christmas tree in limited space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366673.4U CN215292445U (en) | 2021-02-09 | 2021-02-09 | Pipeline system connected with underwater wellhead Christmas tree in limited space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215292445U true CN215292445U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120366673.4U Active CN215292445U (en) | 2021-02-09 | 2021-02-09 | Pipeline system connected with underwater wellhead Christmas tree in limited space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215292445U (en) |
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2021
- 2021-02-09 CN CN202120366673.4U patent/CN215292445U/en active Active
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