GB245373A - Improvements in percussion drill bits for drilling wells and the like - Google Patents

Improvements in percussion drill bits for drilling wells and the like

Info

Publication number
GB245373A
GB245373A GB1947725A GB1947725A GB245373A GB 245373 A GB245373 A GB 245373A GB 1947725 A GB1947725 A GB 1947725A GB 1947725 A GB1947725 A GB 1947725A GB 245373 A GB245373 A GB 245373A
Authority
GB
United Kingdom
Prior art keywords
drilling wells
bit
drill bits
percussion drill
percussion
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
GB1947725A
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.)
OIL WELL ENG CO Ltd
Original Assignee
OIL WELL ENG CO 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 OIL WELL ENG CO Ltd filed Critical OIL WELL ENG CO Ltd
Priority to GB1947725A priority Critical patent/GB245373A/en
Publication of GB245373A publication Critical patent/GB245373A/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
    • E21B10/36—Percussion drill bits
    • 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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry

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

245,373. Cuthill, J., and Oil Well Engineering Co., Ltd. July 31, 1925. Borehole apparatus. -A percussion ropeboring bit for drilling wells &c. is provided with two or more flutes b and is twisted throughout the length of the fluted part to assist in imparting a twisting action to the bit The cutting edge may be V-shaped, Fig. 2, or oppositely bevelled on opposite sides of the axis of the bit, Fig. 5.
GB1947725A 1925-07-31 1925-07-31 Improvements in percussion drill bits for drilling wells and the like Expired GB245373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1947725A GB245373A (en) 1925-07-31 1925-07-31 Improvements in percussion drill bits for drilling wells and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1947725A GB245373A (en) 1925-07-31 1925-07-31 Improvements in percussion drill bits for drilling wells and the like

Publications (1)

Publication Number Publication Date
GB245373A true GB245373A (en) 1926-01-07

Family

ID=10130007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1947725A Expired GB245373A (en) 1925-07-31 1925-07-31 Improvements in percussion drill bits for drilling wells and the like

Country Status (1)

Country Link
GB (1) GB245373A (en)

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