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ZA956336B - Locking a sample tube in a downhole hammer - Google Patents

Locking a sample tube in a downhole hammer

Info

Publication number
ZA956336B
ZA956336B ZA956336A ZA956336A ZA956336B ZA 956336 B ZA956336 B ZA 956336B ZA 956336 A ZA956336 A ZA 956336A ZA 956336 A ZA956336 A ZA 956336A ZA 956336 B ZA956336 B ZA 956336B
Authority
ZA
South Africa
Prior art keywords
locking
sample tube
downhole hammer
downhole
hammer
Prior art date
Application number
ZA956336A
Other languages
English (en)
Inventor
Frederick Graham Moir
Original Assignee
Sds Pacific Pte 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
Application filed by Sds Pacific Pte Ltd filed Critical Sds Pacific Pte Ltd
Publication of ZA956336B publication Critical patent/ZA956336B/xx

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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
ZA956336A 1994-08-01 1995-07-28 Locking a sample tube in a downhole hammer ZA956336B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPM7201A AUPM720194A0 (en) 1994-08-01 1994-08-01 Locking a sample tube in a downhole hammer

Publications (1)

Publication Number Publication Date
ZA956336B true ZA956336B (en) 1996-03-11

Family

ID=3781723

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA956336A ZA956336B (en) 1994-08-01 1995-07-28 Locking a sample tube in a downhole hammer

Country Status (6)

Country Link
US (1) US5778993A (xx)
EP (1) EP0774041A1 (xx)
AU (1) AUPM720194A0 (xx)
CA (1) CA2180724A1 (xx)
WO (1) WO1996004459A1 (xx)
ZA (1) ZA956336B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003903831A0 (en) * 2003-07-24 2003-08-07 Sparr Drilling Equipment Pty Ltd Downhole hammer drill
GB0407947D0 (en) * 2004-04-07 2004-05-12 Halco Drilling Internat Ltd Improvements in or relating to rock drilling equipment
US7467675B2 (en) * 2006-06-06 2008-12-23 Atlas Copco Secoroc Llc Device for channeling solids and fluids within a reverse circulation drill
CA2752220C (en) 2009-02-12 2017-06-06 Imdex Technology Australia Pty Ltd Downhole tool housing
CN102042015A (zh) * 2009-10-26 2011-05-04 淮南矿业(集团)有限责任公司 煤样采集装置及方法
US8631884B2 (en) * 2010-06-04 2014-01-21 Center Rock Inc. Pressure reversing valve assembly for a down-the-hole percussive drilling apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1636084A (en) * 1925-07-28 1927-07-19 Standard Oil Co Core barrel
US2140417A (en) * 1937-12-28 1938-12-13 Conklin Ancil Brooks Core taker for rotary drills
US3207240A (en) * 1961-10-31 1965-09-21 Tiefbohr Messdienst Leutert & Apparatus for the drilling of and the protection of drill cores in deep-welldrilling operations
US3207239A (en) * 1961-10-31 1965-09-21 Tiefbohr Mess Dienst Leutert & Apparatus for marking and for recovering oriented drill cores
GB1100962A (en) * 1964-05-12 1968-01-31 Boyles Bros Drilling Company L Improvements in and relating to core barrel apparatus for deep drilling
US3420322A (en) * 1966-08-10 1969-01-07 Sprague & Henwood Inc Core taking apparatus
US4296822A (en) * 1979-11-26 1981-10-27 Omega Tools International Multipurpose fluid flow assisted downhole tool
US4739844A (en) * 1984-04-02 1988-04-26 Becker Drills, Inc. Hammer drill bit and sub-assembly
US4921052A (en) * 1988-03-24 1990-05-01 Rear Ian G Downhole recirculating hammer

Also Published As

Publication number Publication date
US5778993A (en) 1998-07-14
WO1996004459A1 (en) 1996-02-15
EP0774041A1 (en) 1997-05-21
AUPM720194A0 (en) 1994-08-25
CA2180724A1 (en) 1996-02-15

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