GB251949A - Improvements in drilling jars for well boring - Google Patents

Improvements in drilling jars for well boring

Info

Publication number
GB251949A
GB251949A GB7293/26A GB729326A GB251949A GB 251949 A GB251949 A GB 251949A GB 7293/26 A GB7293/26 A GB 7293/26A GB 729326 A GB729326 A GB 729326A GB 251949 A GB251949 A GB 251949A
Authority
GB
United Kingdom
Prior art keywords
flutes
well boring
male member
walls
drilling jars
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
GB7293/26A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB251949A publication Critical patent/GB251949A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/08—Down-hole impacting means, e.g. hammers impact being obtained by gravity only, e.g. with lost-motion connection

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

251,949. Arbon, P. May 5, 1925, [Convention date]. Void [Published under Sect. 91 of the Acts]. Borehole apparatus. -A jar for use in well boring apparatus, comprising a male member 8 with a T-head 14 engaging slots 5 in the walls of a female member 8, has flutes 15 in the shank of the male member and registering rows of apertures 17 in the walls of the female member, whereby passare of sludge is permitted. A stop collar 9 on the male member has deeper flutes 16 between the flutes 15.
GB7293/26A 1925-05-05 1926-03-16 Improvements in drilling jars for well boring Expired GB251949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251949XA 1925-05-05 1925-05-05

Publications (1)

Publication Number Publication Date
GB251949A true GB251949A (en) 1926-08-19

Family

ID=21824585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7293/26A Expired GB251949A (en) 1925-05-05 1926-03-16 Improvements in drilling jars for well boring

Country Status (1)

Country Link
GB (1) GB251949A (en)

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