GB2256216B - Apparatus suitable for deepening a hole in the ground - Google Patents

Apparatus suitable for deepening a hole in the ground

Info

Publication number
GB2256216B
GB2256216B GB9211115A GB9211115A GB2256216B GB 2256216 B GB2256216 B GB 2256216B GB 9211115 A GB9211115 A GB 9211115A GB 9211115 A GB9211115 A GB 9211115A GB 2256216 B GB2256216 B GB 2256216B
Authority
GB
United Kingdom
Prior art keywords
deepening
ground
hole
apparatus suitable
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 - Fee Related
Application number
GB9211115A
Other versions
GB9211115D0 (en
GB2256216A (en
Inventor
David George Barnes
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.)
GALLIFORD PIPELINE SERVICES LI
Original Assignee
GALLIFORD PIPELINE SERVICES LI
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
Priority claimed from GB919111361A external-priority patent/GB9111361D0/en
Application filed by GALLIFORD PIPELINE SERVICES LI filed Critical GALLIFORD PIPELINE SERVICES LI
Priority to GB9211115A priority Critical patent/GB2256216B/en
Publication of GB9211115D0 publication Critical patent/GB9211115D0/en
Publication of GB2256216A publication Critical patent/GB2256216A/en
Application granted granted Critical
Publication of GB2256216B publication Critical patent/GB2256216B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • 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
    • 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
    • E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB9211115A 1991-05-25 1992-05-26 Apparatus suitable for deepening a hole in the ground Expired - Fee Related GB2256216B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9211115A GB2256216B (en) 1991-05-25 1992-05-26 Apparatus suitable for deepening a hole in the ground

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919111361A GB9111361D0 (en) 1991-05-25 1991-05-25 Method of deepening a hole in the ground and apparatus for use in the method
GB9211115A GB2256216B (en) 1991-05-25 1992-05-26 Apparatus suitable for deepening a hole in the ground

Publications (3)

Publication Number Publication Date
GB9211115D0 GB9211115D0 (en) 1992-07-08
GB2256216A GB2256216A (en) 1992-12-02
GB2256216B true GB2256216B (en) 1995-10-18

Family

ID=26298955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9211115A Expired - Fee Related GB2256216B (en) 1991-05-25 1992-05-26 Apparatus suitable for deepening a hole in the ground

Country Status (1)

Country Link
GB (1) GB2256216B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3674100A (en) * 1970-08-12 1972-07-04 Norman D Becker Method and apparatus for drilling and casing a large diameter borehole
GB1388656A (en) * 1972-07-28 1975-03-26 Kumagai Gumi Co Ltd Contruction pile having fluid injection means
US3920090A (en) * 1975-02-26 1975-11-18 Dresser Ind Control method and apparatus for pressure, vacuum or pressure-vacuum circulation in drilling system
US4322868A (en) * 1980-09-11 1982-04-06 Super Products Corporation Sewer and catch basin cleaner
US4936031A (en) * 1989-10-12 1990-06-26 Acb Technology, Corp. Apparatus for excavating soil and the like using supersonic jets
US4991321A (en) * 1990-06-21 1991-02-12 M-B-W Inc. Pneumatic device for excavating and removing material
US5016717A (en) * 1989-03-14 1991-05-21 Aqua-Vac Locators, Inc. Vacuum excavator
EP0496481A2 (en) * 1991-01-25 1992-07-29 The Charles Machine Works Inc Soft excavator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3674100A (en) * 1970-08-12 1972-07-04 Norman D Becker Method and apparatus for drilling and casing a large diameter borehole
GB1388656A (en) * 1972-07-28 1975-03-26 Kumagai Gumi Co Ltd Contruction pile having fluid injection means
US3920090A (en) * 1975-02-26 1975-11-18 Dresser Ind Control method and apparatus for pressure, vacuum or pressure-vacuum circulation in drilling system
US4322868A (en) * 1980-09-11 1982-04-06 Super Products Corporation Sewer and catch basin cleaner
US5016717A (en) * 1989-03-14 1991-05-21 Aqua-Vac Locators, Inc. Vacuum excavator
US4936031A (en) * 1989-10-12 1990-06-26 Acb Technology, Corp. Apparatus for excavating soil and the like using supersonic jets
US4991321A (en) * 1990-06-21 1991-02-12 M-B-W Inc. Pneumatic device for excavating and removing material
EP0496481A2 (en) * 1991-01-25 1992-07-29 The Charles Machine Works Inc Soft excavator

Also Published As

Publication number Publication date
GB9211115D0 (en) 1992-07-08
GB2256216A (en) 1992-12-02

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990526