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AU7676274A - Improvements relating to rotary driving heads - Google Patents

Improvements relating to rotary driving heads

Info

Publication number
AU7676274A
AU7676274A AU76762/74A AU7676274A AU7676274A AU 7676274 A AU7676274 A AU 7676274A AU 76762/74 A AU76762/74 A AU 76762/74A AU 7676274 A AU7676274 A AU 7676274A AU 7676274 A AU7676274 A AU 7676274A
Authority
AU
Australia
Prior art keywords
rotary driving
improvements relating
driving heads
heads
relating
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.)
Expired
Application number
AU76762/74A
Other versions
AU486611B2 (en
Inventor
Christiaan Lieser And Vernon Glenn Stewart Ronald
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW Inc
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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of AU486611B2 publication Critical patent/AU486611B2/en
Publication of AU7676274A publication Critical patent/AU7676274A/en
Expired 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/167—Connecting or disconnecting pipe couplings or joints using a wrench adapted to engage a non circular section of pipe, e.g. a section with flats or splines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49815—Disassembling
    • Y10T29/49822—Disassembling by applying force

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)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
AU76762/74A 1973-12-26 1974-12-23 Improvements relating to rotary driving heads Expired AU486611B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS427488 1973-12-26
US00427488A US3851714A (en) 1973-12-26 1973-12-26 Rotary drilling head and method of breaking pipe joints

Publications (2)

Publication Number Publication Date
AU486611B2 AU486611B2 (en) 1976-06-24
AU7676274A true AU7676274A (en) 1976-06-24

Family

ID=

Also Published As

Publication number Publication date
US3851714A (en) 1974-12-03
FR2256308A1 (en) 1975-07-25
GB1464149A (en) 1977-02-09
JPS50114303A (en) 1975-09-08
FR2256308B1 (en) 1982-05-28
JPS5431721B2 (en) 1979-10-09
ES433283A1 (en) 1977-03-01
DE2461112B2 (en) 1979-01-18
BR7410732D0 (en) 1975-09-02
AR217613A1 (en) 1980-04-15
CA997750A (en) 1976-09-28
SE7416155L (en) 1975-06-27
DE2461112A1 (en) 1975-07-10
ZA748091B (en) 1976-01-28
DE2461112C3 (en) 1979-09-13
SE412432B (en) 1980-03-03
BE823787A (en) 1975-06-23

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