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GB8600634D0 - Impact moles - Google Patents

Impact moles

Info

Publication number
GB8600634D0
GB8600634D0 GB868600634A GB8600634A GB8600634D0 GB 8600634 D0 GB8600634 D0 GB 8600634D0 GB 868600634 A GB868600634 A GB 868600634A GB 8600634 A GB8600634 A GB 8600634A GB 8600634 D0 GB8600634 D0 GB 8600634D0
Authority
GB
United Kingdom
Prior art keywords
moles
impact
impact moles
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.)
Withdrawn
Application number
GB868600634A
Other versions
GB2185278A (en
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.)
CLAYMORE PUMPS Ltd
Original Assignee
CLAYMORE PUMPS 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 CLAYMORE PUMPS Ltd filed Critical CLAYMORE PUMPS Ltd
Priority to GB08600634A priority Critical patent/GB2185278A/en
Publication of GB8600634D0 publication Critical patent/GB8600634D0/en
Publication of GB2185278A publication Critical patent/GB2185278A/en
Withdrawn legal-status Critical Current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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/205—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal
    • E21B7/206—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal using down-hole drives
    • 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
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
GB08600634A 1986-01-11 1986-01-11 Improvements in or relating to impact moles Withdrawn GB2185278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08600634A GB2185278A (en) 1986-01-11 1986-01-11 Improvements in or relating to impact moles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08600634A GB2185278A (en) 1986-01-11 1986-01-11 Improvements in or relating to impact moles

Publications (2)

Publication Number Publication Date
GB8600634D0 true GB8600634D0 (en) 1986-02-19
GB2185278A GB2185278A (en) 1987-07-15

Family

ID=10591244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08600634A Withdrawn GB2185278A (en) 1986-01-11 1986-01-11 Improvements in or relating to impact moles

Country Status (1)

Country Link
GB (1) GB2185278A (en)

Also Published As

Publication number Publication date
GB2185278A (en) 1987-07-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)