GB1264848A - - Google Patents
Info
- Publication number
- GB1264848A GB1264848A GB1264848DA GB1264848A GB 1264848 A GB1264848 A GB 1264848A GB 1264848D A GB1264848D A GB 1264848DA GB 1264848 A GB1264848 A GB 1264848A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wellhead
- vessel
- conductor
- connector
- winch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000004020 conductor Substances 0.000 abstract 6
- 230000008602 contraction Effects 0.000 abstract 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/01—Risers
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/09—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
-
- 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
- E21B33/038—Connectors used on well heads, e.g. for connecting blow-out preventer and riser
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/10—Guide posts, e.g. releasable; Attaching guide lines to underwater guide bases
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
- E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
1,264,848. Wells &c. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ. N.V. 21 May, 1969 [29 May, 1968], No. 25846/ 69. Heading E1F. A marine conductor 36 yieldably suspended from a vessel 11 by a constant tension device 37 is connected to an underwater wellhead 21 by positioning the conductor over the wellhead, maintaining the distance between the wellhead and a wellhead connector 42 on the conductor, substantially constant, and pulling down the conductor to engage the connector with the wellhead, the method preventing damage to the conductor and wellhead due to vertical movement of the vessel. A line 31 fixed to the wellhead extends over a pulley 32 to a winch 34 on the vessel, and a pull-down line extends from a winch 64 on the vessel over a pulley 63 and beneath a pulley 57 fixed to the line 31 to the conductor, the pulleys 32, 63 being mounted on a bar 33 connected by a constant tension device 66 to the vessel. The arrangement is such that rise or fall of the vessel is accompanied by extension or contraction of the devices so that the distance between the connector and wellhead remains constant. The winch 64 is operated to pull down the connector onto the wellhead.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73291668A | 1968-05-29 | 1968-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1264848A true GB1264848A (en) | 1972-02-23 |
Family
ID=24945442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1264848D Expired GB1264848A (en) | 1968-05-29 | 1969-05-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3502143A (en) |
| JP (1) | JPS5025402B1 (en) |
| DE (1) | DE1925912C3 (en) |
| FR (1) | FR2009548A1 (en) |
| GB (1) | GB1264848A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3791442A (en) * | 1971-09-28 | 1974-02-12 | Regan Forge & Eng Co | Coupling means for a riser string run from a floating vessel to a subsea well |
| US3785445A (en) * | 1972-05-01 | 1974-01-15 | J Scozzafava | Combined riser tensioner and drill string heave compensator |
| US3889747A (en) * | 1973-07-23 | 1975-06-17 | Regan Offshore Int | Telescopic riser tensioning apparatus |
| US4194857A (en) * | 1976-11-22 | 1980-03-25 | Societe Nationale Elf Aquitaine (Production) | Subsea station |
| US4668126A (en) * | 1986-02-24 | 1987-05-26 | Hydril Company | Floating drilling rig apparatus and method |
| NO305449B1 (en) * | 1997-02-27 | 1999-05-31 | Abb Offshore Technology As | Method and apparatus for setting, lowering, positioning and installing protective structure |
| US6129151A (en) * | 1998-12-10 | 2000-10-10 | Dril-Quip, Inc. | Apparatus for use in the completion of subsea wells |
| US7063485B2 (en) * | 2004-04-22 | 2006-06-20 | Seahorse Equipment Corporation | Top tensioned riser |
| KR101709035B1 (en) | 2011-10-05 | 2017-02-21 | 씨호스 이퀴프먼트 코포레이션 | Method for drilling a plurality of subsea wells from a stationary floating vessel, an offshore drilling vessel, a drilling riser transport system, and an offshore vessel |
| WO2015007412A2 (en) * | 2013-07-16 | 2015-01-22 | Castor Drilling Solution As | Drilling rig arrangement |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3191696A (en) * | 1958-05-16 | 1965-06-29 | Richfield Oil Corp | Offshore drilling system |
| US3021909A (en) * | 1958-10-01 | 1962-02-20 | California Research Corp | Means for offshore drilling |
| US3221817A (en) * | 1962-09-13 | 1965-12-07 | Shell Oil Co | Marine conductor pipe assembly |
| US3208728A (en) * | 1962-11-19 | 1965-09-28 | Exxon Production Research Co | Apparatus for use on floating drilling platforms |
| GB1077284A (en) * | 1965-10-19 | 1967-07-26 | Shell Int Research | Method and apparatus for carrying out operations on a well under water |
| US3369600A (en) * | 1965-12-06 | 1968-02-20 | Exxon Production Research Co | Offshore operations in wells |
| US3403728A (en) * | 1965-12-17 | 1968-10-01 | Transp Engineering Inc | Apparatus for the suspension of well bore devices |
-
1968
- 1968-05-29 US US732916A patent/US3502143A/en not_active Expired - Lifetime
-
1969
- 1969-05-21 FR FR6916502A patent/FR2009548A1/fr not_active Withdrawn
- 1969-05-21 DE DE1925912A patent/DE1925912C3/en not_active Expired
- 1969-05-21 JP JP44039076A patent/JPS5025402B1/ja active Pending
- 1969-05-21 GB GB1264848D patent/GB1264848A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1925912C3 (en) | 1978-12-07 |
| US3502143A (en) | 1970-03-24 |
| DE1925912A1 (en) | 1969-12-04 |
| DE1925912B2 (en) | 1978-04-13 |
| FR2009548A1 (en) | 1970-02-06 |
| JPS5025402B1 (en) | 1975-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |