NO865243L - Fremgangsmaate ved boring av et borehull. - Google Patents

Fremgangsmaate ved boring av et borehull.

Info

Publication number
NO865243L
NO865243L NO86865243A NO865243A NO865243L NO 865243 L NO865243 L NO 865243L NO 86865243 A NO86865243 A NO 86865243A NO 865243 A NO865243 A NO 865243A NO 865243 L NO865243 L NO 865243L
Authority
NO
Norway
Prior art keywords
drill
drilling
procedure
Prior art date
Application number
NO86865243A
Other languages
English (en)
Other versions
NO174521C (no
NO174521B (no
NO865243D0 (no
Inventor
Robert Bruce Stewart
Original Assignee
Shell Int Research
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shell Int Research filed Critical Shell Int Research
Publication of NO865243D0 publication Critical patent/NO865243D0/no
Publication of NO865243L publication Critical patent/NO865243L/no
Publication of NO174521B publication Critical patent/NO174521B/no
Publication of NO174521C publication Critical patent/NO174521C/no

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
NO865243A 1985-12-23 1986-12-22 Fremgangsmåte ved boring av et borehull NO174521C (no)

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 true NO865243L (no) 1987-06-24
NO174521B NO174521B (no) 1994-02-07
NO174521C 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)

* Cited by examiner, † Cited by third party
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
WO2003062589A1 (en) * 2002-01-17 2003-07-31 Presssol Ltd. Two string drilling system
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
CA2802286C (en) * 2010-06-25 2015-04-21 Reelwell As Fluid partition unit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
MY100028A (en) 1989-04-20
NO174521C (no) 1994-05-25
NO174521B (no) 1994-02-07
EP0227193A2 (en) 1987-07-01
AU6683786A (en) 1987-06-25
US4718503A (en) 1988-01-12
GB8531627D0 (en) 1986-02-05
DE3685809D1 (de) 1992-07-30
AU577209B2 (en) 1988-09-15
DE3685809T2 (de) 1993-02-11
NO865243D0 (no) 1986-12-22
CA1270810A (en) 1990-06-26
EP0227193B1 (en) 1992-06-24
EP0227193A3 (en) 1989-03-22

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