GB1589637A - Method and apparatus for offshore drilling operation - Google Patents
Method and apparatus for offshore drilling operation Download PDFInfo
- Publication number
- GB1589637A GB1589637A GB38165/77A GB3816577A GB1589637A GB 1589637 A GB1589637 A GB 1589637A GB 38165/77 A GB38165/77 A GB 38165/77A GB 3816577 A GB3816577 A GB 3816577A GB 1589637 A GB1589637 A GB 1589637A
- Authority
- GB
- United Kingdom
- Prior art keywords
- riser pipe
- drilling
- casing
- insert
- riser
- 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
- 238000005553 drilling Methods 0.000 title claims description 101
- 238000000034 method Methods 0.000 title claims description 36
- 239000012530 fluid Substances 0.000 claims description 28
- 239000006260 foam Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000013535 sea water Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000008901 benefit Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005188 flotation Methods 0.000 description 13
- 241000239290 Araneae Species 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B17/012—Risers with buoyancy elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/001—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor specially adapted for underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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)
- Drilling And Boring (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72339776A | 1976-09-15 | 1976-09-15 | |
| US05/723,400 US4086971A (en) | 1976-09-15 | 1976-09-15 | Riser pipe inserts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1589637A true GB1589637A (en) | 1981-05-13 |
Family
ID=27110803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38165/77A Expired GB1589637A (en) | 1976-09-15 | 1977-09-13 | Method and apparatus for offshore drilling operation |
Country Status (3)
| Country | Link |
|---|---|
| ES (1) | ES462382A1 (es) |
| GB (1) | GB1589637A (es) |
| NO (1) | NO153115C (es) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985001762A1 (en) * | 1983-10-12 | 1985-04-25 | Fathom Inc. | Buoyancy support for deep-ocean struts |
| GB2280460A (en) * | 1993-07-23 | 1995-02-01 | Altra Consultants Limited | Apparatus for inserting into a conduit |
| WO1999047784A1 (en) * | 1998-03-14 | 1999-09-23 | Shell Internationale Research Maatschappij B.V. | Supporting frame for risers |
-
1977
- 1977-09-13 GB GB38165/77A patent/GB1589637A/en not_active Expired
- 1977-09-14 NO NO773168A patent/NO153115C/no unknown
- 1977-09-15 ES ES462382A patent/ES462382A1/es not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985001762A1 (en) * | 1983-10-12 | 1985-04-25 | Fathom Inc. | Buoyancy support for deep-ocean struts |
| US4656962A (en) * | 1983-10-12 | 1987-04-14 | Fathom Oceanology Limited | Buoyancy support for deep-ocean struts |
| GB2280460A (en) * | 1993-07-23 | 1995-02-01 | Altra Consultants Limited | Apparatus for inserting into a conduit |
| GB2280460B (en) * | 1993-07-23 | 1997-01-08 | Altra Consultants Limited | A method of reducing the internal flow volume of a multi-phase pipeline |
| WO1999047784A1 (en) * | 1998-03-14 | 1999-09-23 | Shell Internationale Research Maatschappij B.V. | Supporting frame for risers |
| GB2351749A (en) * | 1998-03-14 | 2001-01-10 | Shell Int Research | Supporting frame for risers |
| GB2351749B (en) * | 1998-03-14 | 2002-06-12 | Shell Int Research | Conductor supported pulltube bundle |
Also Published As
| Publication number | Publication date |
|---|---|
| NO153115C (no) | 1986-01-15 |
| NO773168L (no) | 1978-03-16 |
| NO153115B (no) | 1985-10-07 |
| ES462382A1 (es) | 1978-12-16 |
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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 |