AP9400702A0 - System for in-situ replacememt of cutting means for a ground drill - Google Patents

System for in-situ replacememt of cutting means for a ground drill

Info

Publication number
AP9400702A0
AP9400702A0 AP9400702A AP9400702A AP9400702A0 AP 9400702 A0 AP9400702 A0 AP 9400702A0 AP 9400702 A AP9400702 A AP 9400702A AP 9400702 A AP9400702 A AP 9400702A AP 9400702 A0 AP9400702 A0 AP 9400702A0
Authority
AP
ARIPO
Prior art keywords
replacememt
situ
cutting means
ground drill
drill
Prior art date
Application number
AP9400702A
Other versions
AP577A (en
Original Assignee
Down Hole Tech Pty Ltd
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 AUPM4158A external-priority patent/AUPM415894A0/en
Priority claimed from AUPM4159A external-priority patent/AUPM415994A0/en
Priority to PCT/AU1994/000322 priority Critical patent/WO1994029567A1/en
Application filed by Down Hole Tech Pty Ltd filed Critical Down Hole Tech Pty Ltd
Priority to APAP/P/1994/000702A priority patent/AP577A/en
Publication of AP9400702A0 publication Critical patent/AP9400702A0/en
Application granted granted Critical
Publication of AP577A publication Critical patent/AP577A/en

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
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • 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
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe

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)
APAP/P/1994/000702A 1993-06-16 1994-12-01 System for use in situ replacement of cutting means for a ground drill. AP577A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/AU1994/000322 WO1994029567A1 (en) 1993-06-16 1994-06-15 System for in situ replacement of cutting means for a ground drill
APAP/P/1994/000702A AP577A (en) 1993-06-16 1994-12-01 System for use in situ replacement of cutting means for a ground drill.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPL940793 1993-06-16
AUPM4158A AUPM415894A0 (en) 1994-03-02 1994-03-02 Retractable drill bit segments
AUPM4159A AUPM415994A0 (en) 1994-03-02 1994-03-02 Retractable drill bit
APAP/P/1994/000702A AP577A (en) 1993-06-16 1994-12-01 System for use in situ replacement of cutting means for a ground drill.

Publications (2)

Publication Number Publication Date
AP9400702A0 true AP9400702A0 (en) 1995-01-31
AP577A AP577A (en) 1997-03-26

Family

ID=27421033

Family Applications (1)

Application Number Title Priority Date Filing Date
APAP/P/1994/000702A AP577A (en) 1993-06-16 1994-12-01 System for use in situ replacement of cutting means for a ground drill.

Country Status (2)

Country Link
AP (1) AP577A (en)
WO (1) WO1994029567A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPN651895A0 (en) 1995-11-10 1995-12-07 Down Hole Technologies Pty Ltd Spear head assembly
AUPN673995A0 (en) 1995-11-22 1995-12-14 Down Hole Technologies Pty Ltd A sleeve for orientating a tool
AUPO724797A0 (en) * 1997-06-06 1997-07-03 Down Hole Technologies Pty Ltd Retrieval head for a drill bit composed of a plurality of bit segments

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2358466A (en) * 1940-09-12 1944-09-19 Herbert C Otis Well tool
US2640546A (en) * 1949-03-11 1953-06-02 Baker Oil Tools Inc Apparatus for operating tools in well bores
GB788637A (en) * 1955-09-26 1958-01-02 Baker Oil Tools Inc Retrievable double holding subsurface well tool
ZA865010B (en) * 1985-07-09 1988-02-24 Diamant Boart Ltd Core sampling device
US4828023A (en) * 1988-01-19 1989-05-09 Eastern Oil Tools Pte, Ltd. Mechanical latching device operated by dead weight and tension
JPH04500105A (en) * 1989-05-19 1992-01-09 フセソユズニ　ナウチノ―イススレドバテルスキ　インスティテュト　メトディキ　イ　テフニキ　ラズベドキ，ナウチノ―プロイズボドストベンノエ　オビエディネニエ“ゲオテフニカ” drilling tools

Also Published As

Publication number Publication date
AP577A (en) 1997-03-26
WO1994029567A1 (en) 1994-12-22

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