CN110185408A - A kind of suction anchor and its installation method applied in deep water shallow drilling engineering - Google Patents
A kind of suction anchor and its installation method applied in deep water shallow drilling engineering Download PDFInfo
- Publication number
- CN110185408A CN110185408A CN201910439849.1A CN201910439849A CN110185408A CN 110185408 A CN110185408 A CN 110185408A CN 201910439849 A CN201910439849 A CN 201910439849A CN 110185408 A CN110185408 A CN 110185408A
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- China
- Prior art keywords
- suction
- suction anchor
- anchor
- inner cylinder
- suction pump
- Prior art date
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- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005452 bending Methods 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims description 8
- 230000002706 hydrostatic effect Effects 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims 2
- 238000005086 pumping Methods 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/024—Determining slope or direction of devices in the borehole
Abstract
The invention discloses a kind of suction anchors and its installation method applied in deep water shallow drilling engineering, including suction anchor outer cylinder, the top closed and bottom-open of the suction anchor outer cylinder, top plate is provided at the top of the suction anchor outer cylinder, the center of the top plate offers centre bore, the bottom of the top plate is connected with guiding tube, inserted with suction anchor inner cylinder in the centre bore, be equipped in the suction anchor inner cylinder can pre-bending prefabricated conduit tubes, at least one is provided on the top plate for connecting the suction pump interface of suction pump and the level meter for detecting suction anchor vertical extent, the present invention enables suction anchor inner cylinder tripping in by being provided with centre bore, being provided with suction anchor inner cylinder can make suction anchor have great promotion in lateral stability and vertical stability, be equipped in suction anchor inner cylinder can the prefabricated conduit tubes of pre-bending can be effectively Deflecting depth is reduced, requirement of the deep water shallow drilling engineering for well head stability and deflecting depth is enabled adaptation to, guarantees drilling.
Description
Technical field
The present invention relates to a kind of installation equipment and its installation methods, more particularly to one kind to be applied to deep water shallow drilling engineering
In suction anchor and its installation method.
Background technique
For sea area drilling engineering, deepwater drilling technology is difficult point generally acknowledged in the industry.In deepwater drilling engineering, for well
The requirement of mouth stability is very high, and keeps the stabilization of well head, is to continue drilling, successful drilling and the head for reducing down hole problem
Want condition.
Currently, the country maintains the steady of well head frequently with the technology of injection tripping in surface conductor pipe for deepwater drilling engineering
It is fixed, the bearing capacity of conduit is usually adjusted by adjusting conduit driving depth, but in deep water shallow drilling engineering, in order to true
Guarantor can get into superficial part target, may require that the kickoff point (KOP) depth as shallow of well track, while conduit driving depth also can be corresponding
The case where reducing, the contact area reduction on conduit and stratum, at this moment will appear well head Lack of support, in later period large size preventer
It will increase well head sinking risk when being sitting in well head head, cause down hole problem, increase in-situ processing difficulty；Another engineering is arranged
Applying is the diameter for adjusting conduit, and for this method, in the world beyond example, there are control unknown risks during conduit tripping in, can
Uncontrollable accident can occur, therefore, in the case where being directed to deep water shallow-layer resources development and utilization, spray the skill of tripping in conduit
Art be it is infeasible, this be also the technology limitation where.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide one kind to be applied to deep water shallow drilling
Suction anchor in engineering enables suction anchor inner cylinder tripping in by being provided with centre bore, and being provided with guiding tube can be more convenient
The installation of suction anchor inner cylinder, channel of the suction anchor inner cylinder as decentralization and the promotion of drilling tool and other tools, is provided with
Suction anchor inner cylinder can make suction anchor have great promotion in lateral stability and vertical stability, enable adaptation to deep water
Requirement of the shallow drilling engineering for well head stability.
The second object of the present invention is to provide a kind of installation side applied to the suction anchor in deep water shallow drilling engineering
Method forms negative pressure using suction pump by being provided with suction pump in the enclosed space, thus assist suction anchor above mention and under
Enter.
An object of the present invention is implemented with the following technical solutions:
A kind of suction anchor applied in deep water shallow drilling engineering, the suction anchor outer cylinder including being in tubbiness, the suction
The top closed and bottom-open of anchor outer cylinder is provided with top plate at the top of the suction anchor outer cylinder, and the center of the top plate opens up
There is centre bore, the bottom of the top plate is connected with guiding tube, and the guiding tube is arranged concentrically with the centre bore, the guiding tube
Outer diameter be greater than the diameter of the centre bore, it is described inserted with the suction anchor inner cylinder to match with centre bore in the centre bore
Be equipped in suction anchor inner cylinder can pre-bending prefabricated conduit tubes, at least one is provided on the top plate for connecting suction of suction pump
Power pump interface and level meter for detecting suction anchor vertical extent.
Further, the length of the suction anchor inner cylinder is greater than the length of the suction anchor outer cylinder.
Further, it is high to be greater than the level at the top of the suction anchor outer cylinder for the level height at the top of the suction anchor inner cylinder
Degree.
Further, the suction pump is the suction pump that ROV is carried.
The second object of the present invention is implemented with the following technical solutions:
A kind of installation method applied to the suction anchor in deep water shallow drilling engineering, which is characterized in that including following step
It is rapid:
S1, self weight tripping in: suction anchor is sling using loop wheel machine entrained by working ship or drilling platforms, and guarantees suction
Suction anchor is slowly put into the water surface downward, then and slowly transferred to mud line by the lower ending opening of anchor, goes to adjust by observing level meter
Whole suction anchor enters mud angle, to reduce the vertical deflection of suction anchor, is then slowly embedded in using the weight of suction anchor itself
In the soil of seabed, until suction anchor is until being self-possessed and cannot be further continued for tripping in, suction anchor inner cylinder and suction anchor outer cylinder form upper end
Closed first space, the first space and soil form enclosure space；
S2, negative pressure tripping in: suction pump is connected in suction pump interface, opens suction pump, suction pump shape in the enclosed space
At negative pressure, suction anchor is pushed to continue tripping under the action of negative pressure, while the power by adjusting suction pump to be formed to adjust
Negative pressure size, to adjust the speed of suction anchor tripping in, until suction anchor reaches specified position；
S3, it normally above mentions: in the case where working ship or drilling platforms hoisting power meet and make demands, utilizing works ship
Or loop wheel machine entrained by drilling platforms slowly lifts the suction anchor of tripping in place, until suction anchor is by upper proposition mud face；
It is mentioned on S4, pressurization: in the case where working ship or drilling platforms hoisting power are unsatisfactory for making demands, in working ship
Or drilling platforms loop wheel machine connects suction pump in suction pump interface, opens suction pump, suction pump is to envelope while promote suction anchor
It closes and squeezes into pressure in space, so that the pressure in enclosure space is greater than the pressure of external hydrostatic, so that suction anchor be assisted above to mention.
Compared with prior art, the beneficial effects of the present invention are, the top closed and bottom-open of suction anchor outer cylinder, suction
Be provided with top plate at the top of anchor outer cylinder, the center of top plate offers centre bore, and the bottom of top plate is connected with guiding tube, guiding tube with
Centre bore is arranged concentrically, and the outer diameter of guiding tube is greater than the diameter of centre bore, and centre bore is interior inserted with the suction to match with centre bore
Power anchor inner cylinder, be equipped in the suction anchor inner cylinder can pre-bending prefabricated conduit tubes, be provided at least one for connecting on top plate
The suction pump interface of suction pump and level meter for detecting suction anchor vertical extent；It is provided with centre bore and makes suction anchor inner cylinder
Can tripping in, be provided with the installation that guiding tube can be more convenient suction anchor inner cylinder, suction anchor inner cylinder as drilling tool and other
The channel of decentralization and the promotion of tool, being provided with suction anchor inner cylinder can be such that suction anchor has in lateral stability and vertical stability
Great promotion, be equipped in suction anchor inner cylinder can the prefabricated conduit tubes of pre-bending can be effectively reduced deflecting depth, so as to
Requirement of the deep water shallow drilling engineering for well head stability and deflecting depth is adapted to, guarantees drilling；Water is provided on top plate
Level can preferably detect vertical extent of suction anchor during tripping in, and corresponding according to carrying out the case where level meter
Adjustment, to guarantee the smooth tripping in of suction anchor, to ensure the stability of well head.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of suction anchor of the present invention.
Fig. 2 is the top view of suction anchor of the present invention.
Fig. 3 is the structural schematic diagram of suction anchor of the present invention and prefabricated conduit tubes.
Fig. 4 is the top view of suction anchor of the present invention and prefabricated conduit tubes.
Fig. 5 is structural schematic diagram when suction anchor of the present invention is transferred.
In figure: 1- suction anchor outer cylinder, 2- top plate, 3- guiding tube, 4- suction anchor inner cylinder, 5- suction pump interface, 6- level meter,
7- prefabricated conduit tubes, 8- suction pump.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figs 1-4, a kind of suction anchor applied in deep water shallow drilling engineering, outside in the suction anchor of tubbiness
Cylinder 1, the top closed and bottom-open of the suction anchor outer cylinder 1, the top of the suction anchor outer cylinder 1 is provided with top plate 2, described
The center of top plate 2 offers centre bore, and the bottom of the top plate 2 is connected with guiding tube 3, the guiding tube 3 and the centre bore
Be arranged concentrically, the outer diameter of the guiding tube 3 is greater than the diameter of the centre bore, in the centre bore inserted with centre bore phase
The suction anchor inner cylinder 4 matched, it is preferable that be provided with centre bore and enable 4 tripping in of suction anchor inner cylinder, being provided with guiding tube 3 can be more
Facilitate the installation of suction anchor inner cylinder 4, channel of the suction anchor inner cylinder 4 as decentralization and the promotion of drilling tool and other tools,
Being provided with suction anchor inner cylinder 4 can make suction anchor have great promotion in lateral stability and vertical stability, so as to
Requirement of the deep water shallow drilling engineering for well head stability is adapted to, guarantees drilling；
Specifically, at least one is provided on the top plate 2 for connecting the suction pump interface 5 of suction pump 8 and for examining
Survey the level meter 6 of suction anchor vertical extent.Preferably, it is provided with level meter 6 on top plate 2, can preferably detect suction anchor
Vertical extent during tripping in, and being adjusted correspondingly according to the case where level meter 6, with guarantee suction anchor it is smooth under
Enter, to ensure the stability of well head.
Specifically, suction anchor inner cylinder 4 and suction anchor outer cylinder 1 form the first space of upper end closed, and lower end is removed in the first space
It is not connected to the space in suction anchor inner cylinder 4 outside portion, so sky when in suction anchor tripping in soil, in suction anchor inner cylinder 4
Between with the first space be not present connected relation, therefore, a certain number of suction pump interfaces 5 are arranged in suction anchor on top plate 2；Suction
Pump interface 5 is used to connect the suction pump 8 of external offer, the suction pump carried such as ROV；The effect of suction pump interface 5 is to pass through company
Suction pump 8 is connect to adjust the pressure in the first space, external suction pump 8 when suction anchor is transferred and aspirates, the shape in the first space
At negative pressure, be conducive to suction anchor smoothly tripping in, while the vertical deflection of adjustable suction anchor to a certain extent, above propose suction
External suction pump 8 is suppressed when power anchor, so that the pressure in the first space is higher than external hydrostatic water pressure power, is conducive to the upper of suction anchor
It mentions.
Specifically, the length of the suction anchor inner cylinder 4 is greater than the length of the suction anchor outer cylinder 1.Preferably, the suction
The level height at 4 top of anchor inner cylinder is greater than the level height at 1 top of suction anchor outer cylinder.
Specifically, be equipped in the suction anchor inner cylinder 4 can pre-bending prefabricated conduit tubes 7；The presence of suction anchor inner cylinder 4, mentions
Abundant and stable space has been supplied, it, can be in suction anchor inner cylinder when the soil of suction anchor inner cylinder 4 is rinsed out by spray regime
4 tripping in prefabricated conduit tubes 7, prefabricated conduit tubes 7 can carry out pre-bending processing, to reduce the big of minimum deflecting depth to a certain extent
It is small, meet requirement of the deep water shallow drilling engineering to deflecting depth as shallow, is provided safeguard for deep water shallow drilling engineering.Increasing well
While mouth stability, reduce deflecting depth, solves application limitation of the injection drilling in deep water shallow drilling engineering.
As shown in figure 5, disclosing a kind of installation side applied to the suction anchor in deep water shallow drilling engineering of this implementation
Method, comprising the following steps:
S1, self weight tripping in: suction anchor is sling using loop wheel machine entrained by working ship or drilling platforms, and guarantees suction
Suction anchor is slowly put into the water surface downward, then and slowly transferred to mud line by the lower ending opening of anchor, goes to adjust by observing level meter 6
Whole suction anchor enters mud angle, to reduce the vertical deflection of suction anchor, is then slowly embedded in using the weight of suction anchor itself
In the soil of seabed, until suction anchor is until being self-possessed and cannot be further continued for tripping in, suction anchor inner cylinder 4 and suction anchor outer cylinder 1 are formed
Closed first space is held, the first space and soil form enclosure space；
S2, negative pressure tripping in: connecting suction pump 8 at suction pump interface 5, opens suction pump 8, suction pump 8 is in enclosure space
Interior formation negative pressure pushes suction anchor to continue tripping under the action of negative pressure, while the power by adjusting suction pump 8 is to adjust
The size of the negative pressure of formation, so that the speed of suction anchor tripping in is adjusted, until suction anchor reaches specified position；
S3, it normally above mentions: in the case where working ship or drilling platforms hoisting power meet and make demands, utilizing works ship
Or loop wheel machine entrained by drilling platforms slowly lifts the suction anchor of tripping in place, until suction anchor is by upper proposition mud face；
It is mentioned on S4, pressurization: in the case where working ship or drilling platforms hoisting power are unsatisfactory for making demands, in working ship
Or while drilling platforms loop wheel machine promotion suction anchor, suction pump 8 is connected at suction pump interface 5, opens suction pump 8, suction pump 8
Pressure is squeezed into enclosure space, so that the pressure in enclosure space is greater than the pressure of external hydrostatic, so that suction anchor be assisted above to mention.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (5)
1. a kind of suction anchor applied in deep water shallow drilling engineering, the suction anchor outer cylinder (1) including being in tubbiness, the suction
The top closed and bottom-open of anchor outer cylinder (1), it is characterised in that: be provided with top plate at the top of the suction anchor outer cylinder (1)
(2), the center of the top plate (2) offers centre bore, and the bottom of the top plate (2) is connected with guiding tube (3), the guiding tube
(3) it is arranged concentrically with the centre bore, the outer diameter of the guiding tube (3) is greater than the diameter of the centre bore, in the centre bore
Be equipped with inserted with the suction anchor inner cylinder (4) to match with centre bore, in the suction anchor inner cylinder (4) can pre-bending prefabricated conduit tubes
(7), at least one is provided on the top plate (2) for connecting the suction pump interface (5) of suction pump (8) and for detecting suction
The level meter (6) of anchor vertical extent.
2. the suction anchor according to claim 1 applied in deep water shallow drilling engineering, it is characterised in that: the suction
The length of anchor inner cylinder (4) is greater than the length of the suction anchor outer cylinder (1).
3. the suction anchor according to claim 1 applied in deep water shallow drilling engineering, it is characterised in that: the suction
Level height at the top of anchor inner cylinder (4) is greater than the level height at the top of the suction anchor outer cylinder (1).
4. the suction anchor according to claim 1 applied in deep water shallow drilling engineering, it is characterised in that: the suction
Pumping (8) is the suction pump that ROV is carried.
5. a kind of installation method applied to the suction anchor in deep water shallow drilling engineering, which comprises the following steps:
S1, self weight tripping in: suction anchor is sling using loop wheel machine entrained by working ship or drilling platforms, and guarantees suction anchor
Suction anchor is slowly put into the water surface downward, then and slowly transferred to mud line by lower ending opening, goes to adjust by observing level meter (6)
Suction anchor enters mud angle, to reduce the vertical deflection of suction anchor, is then slowly embedded in sea using the weight of suction anchor itself
In bed mud soil, until suction anchor is until being self-possessed and cannot be further continued for tripping in, suction anchor inner cylinder (4) and suction anchor outer cylinder (1) are formed
First space of upper end closed, the first space and soil form enclosure space；
S2, negative pressure tripping in: connecting suction pump (8) at suction pump interface (5), opens suction pump (8), and suction pump (8) is being closed
In space formed negative pressure, under the action of negative pressure push suction anchor continue tripping in, while by adjusting suction pump (8) power come
The size for being formed by negative pressure is adjusted, so that the speed of suction anchor tripping in is adjusted, until suction anchor reaches specified position；
S3, it normally above mentions: in the case where working ship or drilling platforms hoisting power meet and make demands, utilizing works ship or brill
Loop wheel machine entrained by well platform slowly lifts the suction anchor of tripping in place, until suction anchor is by upper proposition mud face；
It is mentioned on S4, pressurization: in the case where working ship or drilling platforms hoisting power are unsatisfactory for making demands, in working ship or brill
While well Platform lifting devices promote suction anchor, suction pump (8) are connected at suction pump interface (5), are opened suction pump (8), suction
Pump (8) squeezes into pressure into enclosure space, so that the pressure in enclosure space is greater than the pressure of external hydrostatic, to assist suction anchor
Above mention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439849.1A CN110185408A (en) | 2019-05-24 | 2019-05-24 | A kind of suction anchor and its installation method applied in deep water shallow drilling engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439849.1A CN110185408A (en) | 2019-05-24 | 2019-05-24 | A kind of suction anchor and its installation method applied in deep water shallow drilling engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185408A true CN110185408A (en) | 2019-08-30 |
Family
ID=67717631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439849.1A Pending CN110185408A (en) | 2019-05-24 | 2019-05-24 | A kind of suction anchor and its installation method applied in deep water shallow drilling engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185408A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483570A (en) * | 2020-03-27 | 2020-08-04 | 海洋石油工程（青岛）有限公司 | Novel process for prefabricating and shipping suction anchor piles |
| CN113323590A (en) * | 2021-07-15 | 2021-08-31 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
| CN113338329A (en) * | 2021-06-30 | 2021-09-03 | 中国地质大学（武汉） | Suction type anchor pile combined structure and installation and construction method thereof |
| CN113734358A (en) * | 2020-05-27 | 2021-12-03 | 中国石油化工股份有限公司 | Deep sea natural gas hydrate suction anchor mechanism and installation method |
| CN114524051A (en) * | 2022-03-18 | 2022-05-24 | 交通运输部广州打捞局 | Suction anchor azimuth angle adjusting method |
| CN114687700A (en) * | 2022-03-28 | 2022-07-01 | 中国石油大学(华东) | Suction anchor wellhead device suitable for oil gas recovery of deep sea shallow layer multi-gas commingled production accident |
| CN115142814A (en) * | 2021-03-29 | 2022-10-04 | 中国石油化工股份有限公司 | Pre-deflecting suction anchor conduit device, use method of pre-deflecting suction anchor conduit device and drilling equipment |
| CN115492555A (en) * | 2021-06-18 | 2022-12-20 | 中国石油天然气集团有限公司 | Single-cylinder multi-well suction pile wellhead device |
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| CN208294547U (en) * | 2018-03-30 | 2018-12-28 | 中国水利水电第四工程局有限公司 | A kind of combined type full-thread bolt |
| CN210127842U (en) * | 2019-05-24 | 2020-03-06 | 广州海洋地质调查局 | Suction anchor applied to deep-water shallow-layer drilling engineering |
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| US3348517A (en) * | 1966-02-18 | 1967-10-24 | Hydronautics | Underwater suction anchors |
| US4270611A (en) * | 1977-12-30 | 1981-06-02 | Institut Francais Du Petrole | Mooring station and transfer terminal for offshore hydrocarbon production |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483570A (en) * | 2020-03-27 | 2020-08-04 | 海洋石油工程（青岛）有限公司 | Novel process for prefabricating and shipping suction anchor piles |
| CN113734358A (en) * | 2020-05-27 | 2021-12-03 | 中国石油化工股份有限公司 | Deep sea natural gas hydrate suction anchor mechanism and installation method |
| CN115142814A (en) * | 2021-03-29 | 2022-10-04 | 中国石油化工股份有限公司 | Pre-deflecting suction anchor conduit device, use method of pre-deflecting suction anchor conduit device and drilling equipment |
| CN115492555A (en) * | 2021-06-18 | 2022-12-20 | 中国石油天然气集团有限公司 | Single-cylinder multi-well suction pile wellhead device |
| CN115492555B (en) * | 2021-06-18 | 2024-03-22 | 中国石油天然气集团有限公司 | Single-cylinder multi-well suction pile wellhead device |
| CN113338329A (en) * | 2021-06-30 | 2021-09-03 | 中国地质大学（武汉） | Suction type anchor pile combined structure and installation and construction method thereof |
| CN113323590A (en) * | 2021-07-15 | 2021-08-31 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
| CN113323590B (en) * | 2021-07-15 | 2022-05-17 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
| CN114524051A (en) * | 2022-03-18 | 2022-05-24 | 交通运输部广州打捞局 | Suction anchor azimuth angle adjusting method |
| CN114687700A (en) * | 2022-03-28 | 2022-07-01 | 中国石油大学(华东) | Suction anchor wellhead device suitable for oil gas recovery of deep sea shallow layer multi-gas commingled production accident |
| CN114687700B (en) * | 2022-03-28 | 2023-09-29 | 中国石油大学(华东) | Suction anchor wellhead device suitable for oil gas recovery of deep sea shallow layer multi-gas combined mining accident |
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