NO174521C - Fremgangsmåte ved boring av et borehull - Google Patents
Fremgangsmåte ved boring av et borehullInfo
- Publication number
- NO174521C NO174521C NO865243A NO865243A NO174521C NO 174521 C NO174521 C NO 174521C NO 865243 A NO865243 A NO 865243A NO 865243 A NO865243 A NO 865243A NO 174521 C NO174521 C NO 174521C
- Authority
- NO
- Norway
- Prior art keywords
- borehole
- drilling
- Prior art date
Links
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB858531627A GB8531627D0 (en) | 1985-12-23 | 1985-12-23 | Drilling borehole |
Publications (4)
Publication Number | Publication Date |
---|---|
NO865243D0 NO865243D0 (no) | 1986-12-22 |
NO865243L NO865243L (no) | 1987-06-24 |
NO174521B NO174521B (no) | 1994-02-07 |
NO174521C true NO174521C (no) | 1994-05-25 |
Family
ID=10590185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO865243A NO174521C (no) | 1985-12-23 | 1986-12-22 | Fremgangsmåte ved boring av et borehull |
Country Status (8)
Country | Link |
---|---|
US (1) | US4718503A (no) |
EP (1) | EP0227193B1 (no) |
AU (1) | AU577209B2 (no) |
CA (1) | CA1270810A (no) |
DE (1) | DE3685809T2 (no) |
GB (1) | GB8531627D0 (no) |
MY (1) | MY100028A (no) |
NO (1) | NO174521C (no) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8913647D0 (en) * | 1989-06-14 | 1989-08-02 | Shell Int Research | Method of drilling and lining a borehole |
US5586609A (en) * | 1994-12-15 | 1996-12-24 | Telejet Technologies, Inc. | Method and apparatus for drilling with high-pressure, reduced solid content liquid |
US7992655B2 (en) * | 2001-02-15 | 2011-08-09 | Dual Gradient Systems, Llc | Dual gradient drilling method and apparatus with multiple concentric drill tubes and blowout preventers |
CA2344627C (en) * | 2001-04-18 | 2007-08-07 | Northland Energy Corporation | Method of dynamically controlling bottom hole circulating pressure in a wellbore |
CN100338331C (zh) * | 2002-01-17 | 2007-09-19 | 普雷斯索有限公司 | 用同心钻柱钻井眼的方法和装置 |
US6733207B2 (en) * | 2002-03-14 | 2004-05-11 | Thomas R. Liebert, Jr. | Environmental remediation system and method |
US7090018B2 (en) * | 2002-07-19 | 2006-08-15 | Presgsol Ltd. | Reverse circulation clean out system for low pressure gas wells |
AU2002950577A0 (en) * | 2002-08-05 | 2002-09-12 | Robert Courtney-Bennett | Drilling arrangement |
US7204327B2 (en) | 2002-08-21 | 2007-04-17 | Presssol Ltd. | Reverse circulation directional and horizontal drilling using concentric drill string |
US7343983B2 (en) * | 2004-02-11 | 2008-03-18 | Presssol Ltd. | Method and apparatus for isolating and testing zones during reverse circulation drilling |
US20050178586A1 (en) * | 2004-02-12 | 2005-08-18 | Presssol Ltd. | Downhole blowout preventor |
NO325291B1 (no) * | 2004-03-08 | 2008-03-17 | Reelwell As | Fremgangsmate og anordning for etablering av en undergrunns bronn. |
CA2507105A1 (en) * | 2004-05-13 | 2005-11-13 | Pressol Ltd. | Casing degasser tool |
WO2011161250A2 (en) * | 2010-06-25 | 2011-12-29 | Reelwell As | Fluid partition unit |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1585969A (en) * | 1923-10-24 | 1926-05-25 | Roy N Ferguson | Method of maintaining a double circulation in oil wells |
US2283510A (en) * | 1941-06-02 | 1942-05-19 | Standard Oil Co California | Method of drilling wells |
US2657016A (en) * | 1950-01-20 | 1953-10-27 | Donovan B Grable | Fluid circulation head for drill strings |
US2716018A (en) * | 1951-10-17 | 1955-08-23 | Exxon Research Engineering Co | Apparatus for bore hole drilling |
US3102600A (en) * | 1961-08-18 | 1963-09-03 | Gas Drilling Services Co | Drilling apparatus for large well bores |
US3416617A (en) * | 1966-08-22 | 1968-12-17 | Walker Neer Mfg Company Inc | Drill bit |
US3416618A (en) * | 1966-10-28 | 1968-12-17 | Dresser Ind | Shrouded bit |
US3419092A (en) * | 1967-04-06 | 1968-12-31 | Walker Neer Mfg Inc | Well drilling method |
US3534822A (en) * | 1967-10-02 | 1970-10-20 | Walker Neer Mfg Co | Well circulating device |
US3596720A (en) * | 1969-11-03 | 1971-08-03 | Wayland D Elenburg | Method of forming a borehole using a compressible and noncompressible fluid in a dual pipe string |
AU467150B2 (en) * | 1970-04-03 | 1973-01-25 | United Geophysical Corp. | Improvements in and relating to drilling apparatus |
US3664415A (en) * | 1970-09-14 | 1972-05-23 | Halliburton Co | Method and apparatus for testing wells |
US3730592A (en) * | 1971-06-01 | 1973-05-01 | Fmc Corp | Method of subterranean drilling and mining |
US4171187A (en) * | 1977-07-28 | 1979-10-16 | Walker-Neer Manufacturing Co., Inc. | Air injection sub |
FR2407337A1 (fr) * | 1977-10-27 | 1979-05-25 | Petroles Cie Francaise | Procede d'equilibrage des pressions dans un puits petrolier |
-
1985
- 1985-12-23 GB GB858531627A patent/GB8531627D0/en active Pending
-
1986
- 1986-08-28 US US06/901,119 patent/US4718503A/en not_active Expired - Fee Related
- 1986-11-26 MY MYPI86000142A patent/MY100028A/en unknown
- 1986-12-02 CA CA000524309A patent/CA1270810A/en not_active Expired - Fee Related
- 1986-12-17 DE DE8686202313T patent/DE3685809T2/de not_active Expired - Fee Related
- 1986-12-17 EP EP86202313A patent/EP0227193B1/en not_active Expired
- 1986-12-22 NO NO865243A patent/NO174521C/no unknown
- 1986-12-22 AU AU66837/86A patent/AU577209B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU577209B2 (en) | 1988-09-15 |
MY100028A (en) | 1989-04-20 |
EP0227193A2 (en) | 1987-07-01 |
EP0227193B1 (en) | 1992-06-24 |
GB8531627D0 (en) | 1986-02-05 |
EP0227193A3 (en) | 1989-03-22 |
NO865243L (no) | 1987-06-24 |
NO174521B (no) | 1994-02-07 |
CA1270810A (en) | 1990-06-26 |
AU6683786A (en) | 1987-06-25 |
DE3685809D1 (de) | 1992-07-30 |
US4718503A (en) | 1988-01-12 |
DE3685809T2 (de) | 1993-02-11 |
NO865243D0 (no) | 1986-12-22 |
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