ZA777388B - Improvements in or relating to apparatus for use in drilling - Google Patents

Improvements in or relating to apparatus for use in drilling

Info

Publication number
ZA777388B
ZA777388B ZA00777388A ZA777388A ZA777388B ZA 777388 B ZA777388 B ZA 777388B ZA 00777388 A ZA00777388 A ZA 00777388A ZA 777388 A ZA777388 A ZA 777388A ZA 777388 B ZA777388 B ZA 777388B
Authority
ZA
South Africa
Prior art keywords
drilling
relating
Prior art date
Application number
ZA00777388A
Inventor
P Wormald
R Clemmow
Original Assignee
Padley & Venables 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 Padley & Venables Ltd filed Critical Padley & Venables Ltd
Publication of ZA777388B publication Critical patent/ZA777388B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

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)
ZA00777388A 1977-01-11 1977-12-12 Improvements in or relating to apparatus for use in drilling ZA777388B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB926/77A GB1564473A (en) 1977-01-11 1977-01-11 Screw threadedly connectable drill elements

Publications (1)

Publication Number Publication Date
ZA777388B true ZA777388B (en) 1978-10-25

Family

ID=9712954

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00777388A ZA777388B (en) 1977-01-11 1977-12-12 Improvements in or relating to apparatus for use in drilling

Country Status (2)

Country Link
GB (1) GB1564473A (en)
ZA (1) ZA777388B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6161633A (en) * 1998-02-03 2000-12-19 Cutting Edge Technology Apparatus for boring through a solid material
US6736226B2 (en) 1998-02-03 2004-05-18 Cutting Edge Technologies, Llc Method and apparatus for boring through a solid material
US6938961B2 (en) 2002-03-21 2005-09-06 Cutting Edge Technologies, Llc Apparatus for breaking up solid objects
PL3663506T3 (en) * 2018-12-03 2023-03-13 Sandvik Mining And Construction G.M.B.H. A drilling string, threaded coupling, and rod adaptor for rotary drilling

Also Published As

Publication number Publication date
GB1564473A (en) 1980-04-10

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