NO914921L - Fremgangsmaate og anordning for dreiespyleboring av hull - Google Patents

Fremgangsmaate og anordning for dreiespyleboring av hull

Info

Publication number
NO914921L
NO914921L NO91914921A NO914921A NO914921L NO 914921 L NO914921 L NO 914921L NO 91914921 A NO91914921 A NO 91914921A NO 914921 A NO914921 A NO 914921A NO 914921 L NO914921 L NO 914921L
Authority
NO
Norway
Prior art keywords
drill string
tool
hole
drill
drilling
Prior art date
Application number
NO91914921A
Other languages
English (en)
Other versions
NO914921D0 (no
Inventor
Dietmar Brussmann
Original Assignee
Dietmar Brussmann
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
Priority claimed from DE19904040155 external-priority patent/DE4040155C2/de
Application filed by Dietmar Brussmann filed Critical Dietmar Brussmann
Publication of NO914921D0 publication Critical patent/NO914921D0/no
Publication of NO914921L publication Critical patent/NO914921L/no

Links

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
    • E21B17/16—Drill collars
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • 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
    • E21B7/04—Directional drilling
    • E21B7/10—Correction of deflected boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

Fremgangsmåte og anordning for dreiespyleboring av hull, ved. ! bruk av en borestreng (2) som henger i en krok og består av flere sammenkoblede borerør (3) som fores ned i hullet. Det nederte borerøret (3) har på sin frie ende et rotasjons-boreverktøy (5). Borestrengen (2) er utstyrt med et belast-ningselement (6) i sitt nedre parti, slik at det oppnås skjærebelastning på verktøyet (5). Under boringen kobles det etter behov til flere borerør (3) på den øvre enden av borestrengen (2). En spylevæske føres ned gjennom den hule borestrengen (2) og ned til verktøyet (5), der den strømmer ut i hullet. Spylevæsken føres til overflaten sammen med utboret materiale. Spylevæsken i borestrengen kommuniserer med spylevæsken i hullet bare i området ved verktøyet (5). Borestrengen (2) oppdeles i hydrostatisk selvstendige partier, som i sine nedre og øvre ender påvirkes av det hydrostatiske trykk i spylevæsken i hullet. Borestrengen (2) utstyres i sitt nedre parti med i det minste ett belastnings-element (6) som understøttes av verktøyet (5). Det oppnås derved at borestrengen (2) utsettes for strekkspenning inntil den umiddelbare nærhet av verktøyet (5).
NO91914921A 1990-12-15 1991-12-13 Fremgangsmaate og anordning for dreiespyleboring av hull NO914921L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904040155 DE4040155C2 (de) 1990-07-11 1990-12-15 Drehspülbohrverfahren für Tiefbohrungen

Publications (2)

Publication Number Publication Date
NO914921D0 NO914921D0 (no) 1991-12-13
NO914921L true NO914921L (no) 1992-06-16

Family

ID=6420449

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91914921A NO914921L (no) 1990-12-15 1991-12-13 Fremgangsmaate og anordning for dreiespyleboring av hull

Country Status (3)

Country Link
GB (1) GB2250764B (no)
NL (1) NL9102084A (no)
NO (1) NO914921L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431229A1 (de) * 1994-09-02 1996-03-07 Tanke Oil Field Dev Gmbh Anordnung zum Niederbringen einer Tiefbohrung mit einem hydrostatischen Abkopplungselement
CN107642337B (zh) * 2017-11-06 2019-02-19 中国矿业大学 一种双头钻式采煤机一体化钻杆

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB764099A (en) * 1954-12-10 1956-12-19 Bataafsche Petroleum Improvements in or relating to well drilling assemblies
GB846332A (en) * 1958-01-01 1960-08-31 James Edwin Hill Improvements in or relating to well drilling
GB2093088A (en) * 1981-02-17 1982-08-25 Mustang Tripsaver Inc Technique for Damping Oscillations in a Drill String

Also Published As

Publication number Publication date
NO914921D0 (no) 1991-12-13
GB9126509D0 (en) 1992-02-12
GB2250764A (en) 1992-06-17
GB2250764B (en) 1995-06-21
NL9102084A (nl) 1992-07-01

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