AU620785B3 - Transmission sleeve for a down hole hammer - Google Patents

Transmission sleeve for a down hole hammer

Info

Publication number
AU620785B3
AU620785B3 AU75247/91A AU7524791A AU620785B3 AU 620785 B3 AU620785 B3 AU 620785B3 AU 75247/91 A AU75247/91 A AU 75247/91A AU 7524791 A AU7524791 A AU 7524791A AU 620785 B3 AU620785 B3 AU 620785B3
Authority
AU
Australia
Prior art keywords
down hole
transmission sleeve
hole hammer
hammer
sleeve
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU75247/91A
Other languages
English (en)
Other versions
AU7524791A (enrdf_load_stackoverflow
Inventor
John Elsby
Andrew Greathead
Brian Thomas Sanfead
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DTA Pty Ltd
Original Assignee
DTA 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
Application filed by DTA Pty Ltd filed Critical DTA Pty Ltd
Priority to AU75247/91A priority Critical patent/AU620785B3/en
Publication of AU7524791A publication Critical patent/AU7524791A/en
Application granted granted Critical
Publication of AU620785B3 publication Critical patent/AU620785B3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
AU75247/91A 1990-04-26 1991-04-23 Transmission sleeve for a down hole hammer Ceased AU620785B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU75247/91A AU620785B3 (en) 1990-04-26 1991-04-23 Transmission sleeve for a down hole hammer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPJ9817 1990-04-26
AUPJ981790 1990-04-26
AUPK3850 1990-12-12
AU75247/91A AU620785B3 (en) 1990-04-26 1991-04-23 Transmission sleeve for a down hole hammer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU75386/91A Division AU638571B2 (en) 1990-04-26 1991-04-24 Transmission sleeve for a down hole hammer

Publications (2)

Publication Number Publication Date
AU7524791A AU7524791A (enrdf_load_stackoverflow) 1991-11-14
AU620785B3 true AU620785B3 (en) 1992-01-09

Family

ID=25637875

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75247/91A Ceased AU620785B3 (en) 1990-04-26 1991-04-23 Transmission sleeve for a down hole hammer

Country Status (1)

Country Link
AU (1) AU620785B3 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108505947B (zh) * 2018-01-15 2022-02-11 叶蕴 一种使废物出筒的空心钻头

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU494113B2 (en) * 1975-07-07 Bakerdrill, Inc SAMPLING AIRHAMMER apparatus
US3527239A (en) * 1968-09-26 1970-09-08 Gardner Denver Co Exhaust tube for down-hole drill
AU7755981A (en) * 1980-11-18 1982-05-27 Procter & Gamble Company, The Quaternary ammonium softener compositions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527239A (en) * 1968-09-26 1970-09-08 Gardner Denver Co Exhaust tube for down-hole drill
AU494113B2 (en) * 1975-07-07 Bakerdrill, Inc SAMPLING AIRHAMMER apparatus
AU7755981A (en) * 1980-11-18 1982-05-27 Procter & Gamble Company, The Quaternary ammonium softener compositions

Also Published As

Publication number Publication date
AU7524791A (enrdf_load_stackoverflow) 1991-11-14

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