CN219081544U - Be used for storage pressure testing base and pressure testing system of preventer under water - Google Patents
Be used for storage pressure testing base and pressure testing system of preventer under water Download PDFInfo
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- CN219081544U CN219081544U CN202222784224.9U CN202222784224U CN219081544U CN 219081544 U CN219081544 U CN 219081544U CN 202222784224 U CN202222784224 U CN 202222784224U CN 219081544 U CN219081544 U CN 219081544U
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- blowout preventer
- pressure test
- underwater
- underwater blowout
- base
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- 238000012360 testing method Methods 0.000 title claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 3
- 238000005086 pumping Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to the technical field of marine drilling equipment, in particular to a pressure test base and a pressure test system for storing an underwater blowout preventer. The pressure test base for storing the underwater blowout preventer is matched with the underwater blowout preventer and the bearing type pressure test pile for use, and comprises a hollow main frame body, wherein a plurality of groups of telescopic ejector rods are arranged on the main frame body; the underwater blowout preventer is transferred to the bearing type pressure testing pile, a gap exists between the lower part of the underwater blowout preventer and the pressure testing base main body, and a plurality of groups of telescopic ejector rods are arranged in the gap. By operating multiple sets of telescoping ram, the telescoping ram is raised into contact with the blowout preventer stack frame and forced to support or lift the entire subsea blowout preventer stack. At this time, storage and pressure testing of the subsea blowout preventer stack may be completed.
Description
Technical Field
The utility model relates to the technical field of marine drilling equipment, in particular to a pressure test base and a pressure test system for storing an underwater blowout preventer.
Background
The underwater blowout preventer is used for closing a wellhead in the deepwater operation processes of offshore oil testing, well repair, well completion and the like, and prevents blowout accidents. And when the underwater blowout preventer discharges water to the ground, the underwater blowout preventer needs to be stored and tested for pressure. Because subsea blowout preventers weigh several hundred tons, they are typically stored and tested using load-bearing pressure test piles or stored with a fixed storage base and non-load-bearing pressure test piles to adjust the height of the pressure test.
When the load-bearing pressure testing piles are used for storing and locking the underwater blowout preventers, the blowout preventers cannot be unlocked and adjusted, and the storage of the blowout preventers can increase risks along with the swinging of a drilling platform (ship).
The height adjustment is inaccurate when using fixed storage base and the fixed pressure test stake of bearing, damages pressure test stake and connector sealing face easily when locking the connector.
In order to improve the reliability of the operation, when the load-bearing type pressure test pile is used, a device capable of solving the above problems is needed to adjust the height of the blowout preventer and test the pressure.
Disclosure of Invention
The utility model aims at: in order to solve the problems in the prior art, the utility model provides a pressure test base and a pressure test system for storing an underwater blowout preventer.
In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:
the pressure test base for storing the underwater blowout preventer is matched with the underwater blowout preventer and the bearing type pressure test pile for use, and comprises a hollow main frame body, wherein a plurality of groups of telescopic ejector rods are arranged on the main frame body;
the underwater blowout preventer is transferred to the bearing type pressure testing pile, a gap exists between the lower part of the underwater blowout preventer and the pressure testing base for storing the underwater blowout preventer, and a plurality of groups of telescopic ejector rods are arranged in the gap.
As an improvement of the technical scheme of the utility model for storing the pressure test base of the underwater blowout preventer, the telescopic ejector rod is a mechanical ejector rod or a hydraulic cylinder ejector rod.
As an improvement of the technical scheme of the utility model for storing the pressure test base of the underwater blowout preventer, the telescopic ejector rod is a hydraulic cylinder ejector rod; the pressure test base for storing the underwater blowout preventer further comprises a hydraulic system, and the hydraulic system comprises the hydraulic cylinder ejector rod.
As an improvement of the technical scheme of the storage pressure test base for the underwater blowout preventer, the hydraulic system further comprises a plurality of hydraulic cylinders, a set of hydraulic pump station and a hydraulic control console.
As an improvement of the technical scheme of the utility model for storing the pressure test base of the underwater blowout preventer, the mechanical ejector rod is a mechanical spiral ejector rod.
As an improvement of the technical scheme of the pressure test base for the underwater blowout preventer storage, the pressure test base for the underwater blowout preventer storage is also matched with a blowout preventer fixing device, and the blowout preventer fixing device is connected with the upper part of the underwater blowout preventer.
The pressure test system for storing the underwater blowout preventer comprises the pressure test base for storing the underwater blowout preventer, a bearing type test pile and a pressure test device;
the pressure test device is connected with the bearing type pressure test pile.
As an improvement of the technical scheme of the pressure test system for the storage of the underwater blowout preventer, the pressure test system for the storage of the underwater blowout preventer further comprises a blowout preventer fixing device, wherein the blowout preventer fixing device is connected with the upper part of the underwater blowout preventer.
As an improvement of the technical scheme of the pressure test system for the storage of the underwater blowout preventer, the underwater blowout preventer is an underwater blowout preventer assembly, and the underwater blowout preventer assembly comprises a lower riser assembly and a lower blowout preventer stack.
The utility model has the beneficial effects that:
1. in the utility model, the underwater blowout preventer is lowered onto the bearing pressure test pile, and the weight of the whole assembly is transferred to the bearing pressure test pile, at the moment, a certain gap exists between the underwater blowout preventer and the pressure test base for storing the underwater blowout preventer, and the telescopic ejector rods are lifted to contact with the blowout preventer stack frame and bear force by operating the plurality of groups of telescopic ejector rods, so that the whole underwater blowout preventer stack is supported or lifted. At the moment, the storage and the pressure test of the underwater blowout preventer stack can be completed;
2. the utility model is used in the pressure test system of the underwater blowout preventer, and is also used in combination with the blowout preventer fixing device, when the underwater blowout preventer is lifted by the telescopic ejector rod and reaches a proper height, the underwater blowout preventer is locked by the blowout preventer fixing device, so that the problems in the prior art are solved, namely, when the bearing type pressure test pile is used for storing and locking the underwater blowout preventer, the blowout preventer cannot be unlocked and adjusted, and the storage of the blowout preventer increases the risk along with the swinging of a drilling platform (ship); the problem that the height adjustment is inaccurate when the fixed storage base and the bearing fixed pressure test pile are used, and the pressure test pile and the sealing surface of the connector are easy to damage when the connector is locked.
Drawings
FIG. 1 is a schematic diagram of a front view of a storage pressure test base for an underwater blowout preventer of the present utility model;
FIG. 2 is a schematic top view of a storage pressure test base for an subsea blowout preventer of the present utility model;
FIG. 3 is a schematic diagram of a first embodiment of the present utility model for a subsea blowout preventer storage pressure test system;
FIG. 4 is a schematic diagram of a second embodiment of the present utility model for a subsea blowout preventer storage pressure test system;
FIG. 5 is a schematic diagram of the connection of the hydraulic device of the present utility model for use in a subsea blowout preventer storage pressure test base.
Reference numerals illustrate: 1-a lower riser assembly; 2-a lower subsea blowout preventer stack; 3-blowout preventer fixtures; 4-a hydraulic cylinder ejector rod; 5-storing the pressure test base for the underwater blowout preventer; 6-bearing type pressure test piles; 7-a hydraulic cylinder; 8-a hydraulic system; 9-a main support; 10-supporting legs.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments of the present utility model.
The utility model is used for storing a pressure test base and a pressure test system of the underwater blowout preventer, and is mainly used for sitting the weight of the whole underwater blowout preventer on a bearing pressure test pile 6 after the underwater blowout preventer and the like are transported, locking a connector matched with the underwater blowout preventer and preparing for pressure test.
As shown in fig. 1, 2 and 5, the storage pressure test base for the underwater blowout preventer is matched with the underwater blowout preventer and the bearing pressure test pile 6 for use, the storage pressure test base 5 for the underwater blowout preventer comprises a hollow main frame body 9, and a plurality of groups of telescopic ejector rods are arranged on the main frame body 9;
the underwater blowout preventer is transferred to the bearing type pressure test pile 6, a gap exists between the lower part of the underwater blowout preventer and a pressure test base for storing the underwater blowout preventer, and a plurality of groups of telescopic ejector rods are arranged in the gap.
Preferably, the storage pressure test base 5 for the subsea blowout preventer further comprises a plurality of feet 10 disposed below the main frame 9.
When the device is used, the underwater blowout preventer can be moved through the hoisting tool, the underwater blowout preventer is transferred to the bearing type pressure test pile 6, a gap exists between the lower part of the underwater blowout preventer and the pressure test base for storing the underwater blowout preventer, a plurality of groups of telescopic ejector rods are arranged in the gap, and the lifting effect of the underwater blowout preventer is realized through synchronous extension of the plurality of groups of telescopic ejector rods.
In detail, the underwater blowout preventer is lowered onto the bearing pressure test pile, the weight of the whole assembly is transferred to the bearing pressure test pile, at this time, a certain gap exists between the underwater blowout preventer and the pressure test base 5 for storing the underwater blowout preventer, and the plurality of groups of telescopic ejector rods are operated to lift the telescopic ejector rods to contact with the blowout preventer stack frame and bear force, so that the whole underwater blowout preventer stack is supported or lifted. At this time, storage and pressure testing of the subsea blowout preventer stack may be completed. Wherein, each group of telescopic ejector rod bearing load is up to more than 100 tons, which is enough to lift the whole underwater blowout preventer and reach a proper height.
Further, the telescopic ejector rod is a mechanical ejector rod or a hydraulic cylinder ejector rod 4.
In detail, when the telescopic ejector rod is a mechanical ejector rod, the mechanical ejector rod is a mechanical spiral ejector rod, and the lifting effect of the underwater blowout preventer is realized under the action of the mechanical spiral ejector rod.
When the telescopic ejector rod is the hydraulic cylinder ejector rod 4, the storage pressure test system for the underwater blowout preventer further comprises a hydraulic system 8, the hydraulic system 8 comprises the hydraulic cylinder ejector rod 4, the hydraulic cylinder ejector rod 4 is driven to extend under the action of the hydraulic system 8, and when the plurality of groups of hydraulic cylinder ejector rods 4 extend synchronously, the lifting effect on the underwater blowout preventer is achieved.
Among the mechanical ejector pins and the hydraulic cylinder ejector pins 4, the hydraulic cylinder ejector pins 4 are preferable. The hydraulic mechanism has compact structure, high reliability, strong lifting load, simple operation and strong synchronization of heavy load.
The hydraulic system 8 is structured as in the prior art, and comprises a plurality of hydraulic cylinders 7, a set of hydraulic pump station and a hydraulic control platform, wherein the hydraulic system 8 also comprises a plurality of hydraulic cylinders 7. Preferably, the hydraulic control platform is connected with a hydraulic pump station and a plurality of hydraulic cylinders 7 respectively, and the plurality of hydraulic cylinders 7 are in one-to-one correspondence with the number and the positions of the hydraulic cylinder ejector rods 4. The hydraulic pump station, the hydraulic control platform, the control element and the like can realize synchronous and stable stressed lifting of the underwater blowout preventer, improve the safety and reliability, and finally achieve the purposes of storing and pressure testing of the underwater blowout preventer stack and the like.
In order to improve the stability of the underwater blowout preventer stack during storage and pressure test, as one embodiment of the utility model, the utility model comprises four groups of telescopic ejector rods, by operating the four groups of telescopic ejector rods, the telescopic ejector rods are lifted to contact the underwater blowout preventer and bear force, each group of telescopic ejector rods bear up to more than 100 tons, the whole underwater blowout preventer is lifted, the proper height is achieved, and the height can be adjusted according to the telescopic ejector rods. Due to the fact that the height of the underwater blowout preventer is convenient to adjust, various working conditions can be met, and the reliability of storage of the underwater blowout preventer, smooth completion of pressure tests and the like can be achieved.
Further, the storage pressure test base 5 for the underwater blowout preventer is also matched with the blowout preventer fixing device 3 for use, the blowout preventer fixing device 3 is connected with the upper part of the underwater blowout preventer, and the underwater blowout preventer is locked through the blowout preventer fixing device, so that the condition that the underwater blowout preventer shakes is avoided.
As shown in fig. 3 to 5, the utility model further provides a storage pressure test system for the underwater blowout preventer, which comprises the storage pressure test base 5 for the underwater blowout preventer, the bearing type test pile and the pressure test device, wherein the test device is connected with the bearing type test pile.
The pressure test device is used for testing the pressure which can be born, and the structure of the pressure test device is as in the prior art and is not described herein.
Further, the storage pressure test system for the underwater blowout preventer further comprises a blowout preventer fixture 3, and the blowout preventer fixture 3 is connected with the upper part of the underwater blowout preventer. When the underwater blowout preventer is lifted by the telescopic ejector rod and reaches a proper height, the underwater blowout preventer is locked by the blowout preventer fixing device 3, so that the problems in the prior art are solved, namely, when the bearing type pressure testing pile 6 is used for storing and locking the underwater blowout preventer, the blowout preventer cannot be unlocked and adjusted, and the storage of the blowout preventer increases the risk along with the swinging of a drilling platform (ship); the problem that the height adjustment is inaccurate when the fixed storage base and the bearing fixed pressure test pile are used, and the pressure test pile and the sealing surface of the connector are easy to damage when the connector is locked. The structure of the blowout preventer fixture 3 is as in the prior art and will not be described in detail herein.
The utility model can meet various working conditions for the storage pressure test system of the underwater blowout preventer, wherein as shown in figure 3, as a first implementation mode of the storage pressure test system of the underwater blowout preventer, the whole underwater blowout preventer assembly can be lifted through a plurality of groups of telescopic ejector rods;
as shown in fig. 4, as a second embodiment of the pressure test system for the subsea blowout preventer according to the present utility model, the subsea blowout preventer is a subsea blowout preventer stack, and the subsea blowout preventer includes a lower riser package 1 and a lower subsea blowout preventer stack 2, and the lower riser package 1 may be lifted by a plurality of sets of telescopic rams and pressure test of the lower riser package 1 and the lower subsea blowout preventer stack 2 may be completed by connecting a pressure test ram through a pressure test device.
When the lower marine riser package 1 or the lower underwater blowout preventer stack 2 is integrally seated in the storage pressure test base of the underwater blowout preventer, and the lower marine riser package 1 or the lower underwater blowout preventer stack 2 is fixed by the blowout preventer fixing device 3 without installing the bearing pressure test pile 6, the whole underwater blowout preventer can be lifted by operating four groups of telescopic ejector rods so as to achieve the effect of adjusting the fixed height, and the pressure test of the lower marine riser package 1 and the lower underwater blowout preventer stack 2 is completed by connecting the pressure test pile through the pressure test device
When the lower marine riser package 1 or the lower underwater blowout preventer stack 2 is integrally seated in the underwater blowout preventer storage pressure test base, and the bearing type pressure test pile 6 is installed, the lower marine riser package 1 or the lower underwater blowout preventer stack 2 is stored and fixed, and the pressure test is completed on the lower marine riser package 1 and the lower underwater blowout preventer stack 2 by connecting the pressure test pile through the pressure test device.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (9)
1. The storage pressure test base for the underwater blowout preventer is matched with the underwater blowout preventer and the bearing pressure test pile for use, and is characterized by comprising a hollow main frame body, wherein a plurality of groups of telescopic ejector rods are arranged on the main frame body;
the underwater blowout preventer is transferred to the bearing type pressure testing pile, a gap exists between the lower part of the underwater blowout preventer and the pressure testing base for storing the underwater blowout preventer, and a plurality of groups of telescopic ejector rods are arranged in the gap.
2. The storage pressure test base for an underwater blowout preventer of claim 1, wherein the telescoping ram is a mechanical ram or a hydraulic ram.
3. The storage pressure test base for an underwater blowout preventer of claim 2, wherein the telescoping ram is a hydraulic ram; the pressure test base for storing the underwater blowout preventer further comprises a hydraulic system, and the hydraulic system comprises the hydraulic cylinder ejector rod.
4. The storage pressure test base for an underwater blowout preventer of claim 3, wherein the hydraulic system further comprises a plurality of hydraulic cylinders, a set of hydraulic pumping stations, and a hydraulic console.
5. The storage pressure test base for an underwater blowout preventer of claim 2, wherein the mechanical ram is a mechanical helical ram.
6. The storage pressure test base for an underwater blowout preventer of any one of claims 1 to 5, wherein the storage pressure test base for an underwater blowout preventer is further used in combination with a blowout preventer fixture connected to an upper portion of the underwater blowout preventer.
7. A storage pressure test system for an underwater blowout preventer, which is characterized by comprising the storage pressure test base for the underwater blowout preventer according to any one of claims 1-6, and further comprising the underwater blowout preventer, a bearing type test pile and a pressure test device;
the pressure test device is connected with the bearing type pressure test pile.
8. The storage pressure test system for an underwater blowout preventer of claim 7, further comprising a blowout preventer fixture coupled to an upper portion of the underwater blowout preventer.
9. The storage pressure test system for a subsea blowout preventer of claim 7, wherein the subsea blowout preventer is a subsea blowout preventer stack comprising a lower riser stack and a lower blowout preventer stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784224.9U CN219081544U (en) | 2022-10-21 | 2022-10-21 | Be used for storage pressure testing base and pressure testing system of preventer under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784224.9U CN219081544U (en) | 2022-10-21 | 2022-10-21 | Be used for storage pressure testing base and pressure testing system of preventer under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219081544U true CN219081544U (en) | 2023-05-26 |
Family
ID=86393937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222784224.9U Expired - Fee Related CN219081544U (en) | 2022-10-21 | 2022-10-21 | Be used for storage pressure testing base and pressure testing system of preventer under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219081544U (en) |
-
2022
- 2022-10-21 CN CN202222784224.9U patent/CN219081544U/en not_active Expired - Fee Related
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| 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: 20230526 |