GB500664A - Improvements relating to drilling or boring tools - Google Patents

Improvements relating to drilling or boring tools

Info

Publication number
GB500664A
GB500664A GB3333337A GB3333337A GB500664A GB 500664 A GB500664 A GB 500664A GB 3333337 A GB3333337 A GB 3333337A GB 3333337 A GB3333337 A GB 3333337A GB 500664 A GB500664 A GB 500664A
Authority
GB
United Kingdom
Prior art keywords
bit
drilling
acting
tool
improvements 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
GB3333337A
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.)
GEORGE RAYMOND SNEWIN STOW
Original Assignee
GEORGE RAYMOND SNEWIN STOW
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 GEORGE RAYMOND SNEWIN STOW filed Critical GEORGE RAYMOND SNEWIN STOW
Priority to GB3333337A priority Critical patent/GB500664A/en
Publication of GB500664A publication Critical patent/GB500664A/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
    • E21B10/00—Drill bits

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)

Abstract

500,664. Drilling wells &c. STOW, G. R. S. Dec. 2, 1937, No. 33333. [Class 85] A tool for well &c. drilling comprises a fish-tail or other bit c acting only by rotation and removing the whole of the bottom of the hole, and a long, continuously-,rotating, open-top mud-tube a housing the hollow drill-pipe e and acting as a guide for the tool. The bit and mud-tube preferably rotate at the same speed. A tubular sawtoothed, diamond or shot bit d may house the bit c, and be welded thereto, and all the above parts may be threaded to a plug f with a flushing passage h.
GB3333337A 1937-12-02 1937-12-02 Improvements relating to drilling or boring tools Expired GB500664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3333337A GB500664A (en) 1937-12-02 1937-12-02 Improvements relating to drilling or boring tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3333337A GB500664A (en) 1937-12-02 1937-12-02 Improvements relating to drilling or boring tools

Publications (1)

Publication Number Publication Date
GB500664A true GB500664A (en) 1939-02-14

Family

ID=10351586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3333337A Expired GB500664A (en) 1937-12-02 1937-12-02 Improvements relating to drilling or boring tools

Country Status (1)

Country Link
GB (1) GB500664A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801079A (en) * 1954-09-03 1957-07-30 Gress Frank Safety device for drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801079A (en) * 1954-09-03 1957-07-30 Gress Frank Safety device for drill bit

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