GB1086534A - Earth drilling equipment - Google Patents

Earth drilling equipment

Info

Publication number
GB1086534A
GB1086534A GB718464A GB718464A GB1086534A GB 1086534 A GB1086534 A GB 1086534A GB 718464 A GB718464 A GB 718464A GB 718464 A GB718464 A GB 718464A GB 1086534 A GB1086534 A GB 1086534A
Authority
GB
United Kingdom
Prior art keywords
drilling equipment
earth
feb
interposed
earth drilling
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
GB718464A
Inventor
Robert Mortimer Penney
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.)
HYDRAULIC DRILLING EQUIPMENT L
Original Assignee
HYDRAULIC DRILLING EQUIPMENT L
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 HYDRAULIC DRILLING EQUIPMENT L filed Critical HYDRAULIC DRILLING EQUIPMENT L
Priority to GB718464A priority Critical patent/GB1086534A/en
Publication of GB1086534A publication Critical patent/GB1086534A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems

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

1,086,534. Boring earth &c. HYDRAULIC DRILLING EQUIPMENT Ltd. Feb. 18, 1965 [Feb. 20, 1964], No. 7184/64. Heading E1F. In an earth boring system a member 1 is interposed between the drill string 2 and the bit 3 to direct scavenging air along the path indicated by the arrows. A soft flap seal 17 is fitted at the mouth of the borehole. The air is moved by a pump 5 a separator 6 being interposed in the path.
GB718464A 1964-02-20 1964-02-20 Earth drilling equipment Expired GB1086534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB718464A GB1086534A (en) 1964-02-20 1964-02-20 Earth drilling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB718464A GB1086534A (en) 1964-02-20 1964-02-20 Earth drilling equipment

Publications (1)

Publication Number Publication Date
GB1086534A true GB1086534A (en) 1967-10-11

Family

ID=9828225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB718464A Expired GB1086534A (en) 1964-02-20 1964-02-20 Earth drilling equipment

Country Status (1)

Country Link
GB (1) GB1086534A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794126A (en) * 1971-09-01 1974-02-26 Smith International Drilling and belling apparatus
DE2642014A1 (en) * 1975-09-19 1977-03-31 Foraco Forage Rationnel Const CONNECTOR FOR DRILLING CHISEL
WO1998019040A1 (en) * 1996-10-25 1998-05-07 Northland Production Testing Ltd. Recovery of gas from drilling fluid returns in underbalanced drilling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794126A (en) * 1971-09-01 1974-02-26 Smith International Drilling and belling apparatus
DE2642014A1 (en) * 1975-09-19 1977-03-31 Foraco Forage Rationnel Const CONNECTOR FOR DRILLING CHISEL
US4098361A (en) * 1975-09-19 1978-07-04 Foraco Forage Rational Construction Drilling head connection for use in a reverse circulation system
WO1998019040A1 (en) * 1996-10-25 1998-05-07 Northland Production Testing Ltd. Recovery of gas from drilling fluid returns in underbalanced drilling

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