GB2193987B - Mineral cutting method and apparatus - Google Patents

Mineral cutting method and apparatus

Info

Publication number
GB2193987B
GB2193987B GB8716282A GB8716282A GB2193987B GB 2193987 B GB2193987 B GB 2193987B GB 8716282 A GB8716282 A GB 8716282A GB 8716282 A GB8716282 A GB 8716282A GB 2193987 B GB2193987 B GB 2193987B
Authority
GB
United Kingdom
Prior art keywords
cutting method
mineral cutting
mineral
cutting
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
GB8716282A
Other versions
GB8716282D0 (en
GB2193987A (en
Inventor
William Summers
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.)
Pitcraft Summit Ltd
Original Assignee
Pitcraft Summit 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 Pitcraft Summit Ltd filed Critical Pitcraft Summit Ltd
Publication of GB8716282D0 publication Critical patent/GB8716282D0/en
Publication of GB2193987A publication Critical patent/GB2193987A/en
Application granted granted Critical
Publication of GB2193987B publication Critical patent/GB2193987B/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying means
    • E21B7/005—Drilling with mechanical conveying means with helical conveying means
    • 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
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/58—Machines slitting by drilling hole on hole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
GB8716282A 1986-08-19 1987-07-10 Mineral cutting method and apparatus Expired GB2193987B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868620137A GB8620137D0 (en) 1986-08-19 1986-08-19 Mineral cutting

Publications (3)

Publication Number Publication Date
GB8716282D0 GB8716282D0 (en) 1987-08-19
GB2193987A GB2193987A (en) 1988-02-24
GB2193987B true GB2193987B (en) 1989-12-20

Family

ID=10602901

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868620137A Pending GB8620137D0 (en) 1986-08-19 1986-08-19 Mineral cutting
GB8716282A Expired GB2193987B (en) 1986-08-19 1987-07-10 Mineral cutting method and apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868620137A Pending GB8620137D0 (en) 1986-08-19 1986-08-19 Mineral cutting

Country Status (1)

Country Link
GB (2) GB8620137D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6293628B1 (en) * 1996-11-12 2001-09-25 Amvest Systems Inc. Hydraulic scroll auger mining system and method of using the same

Also Published As

Publication number Publication date
GB8716282D0 (en) 1987-08-19
GB8620137D0 (en) 1986-10-01
GB2193987A (en) 1988-02-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920710