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WO1999051850A3 - Underground cable and pipelaying - Google Patents

Underground cable and pipelaying Download PDF

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Publication number
WO1999051850A3
WO1999051850A3 PCT/GB1999/001044 GB9901044W WO9951850A3 WO 1999051850 A3 WO1999051850 A3 WO 1999051850A3 GB 9901044 W GB9901044 W GB 9901044W WO 9951850 A3 WO9951850 A3 WO 9951850A3
Authority
WO
WIPO (PCT)
Prior art keywords
product
cable
relates
mud
lubricant
Prior art date
Application number
PCT/GB1999/001044
Other languages
French (fr)
Other versions
WO1999051850A2 (en
Inventor
Christopher John Hamilton
Original Assignee
Christopher John Hamilton
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 Christopher John Hamilton filed Critical Christopher John Hamilton
Priority to AU33397/99A priority Critical patent/AU3339799A/en
Publication of WO1999051850A2 publication Critical patent/WO1999051850A2/en
Publication of WO1999051850A3 publication Critical patent/WO1999051850A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/14—Clay-containing compositions
    • C09K8/16—Clay-containing compositions characterised by the inorganic compounds other than clay
    • 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
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Electric Cable Installation (AREA)

Abstract

The invention relates to a method of laying an underground elongate member such as a cable or pipe. The member is installed underground by directional drilling including being drawn through an unlined bore of larger cross section with lubricant mud being supplied to the space between the member and the bore. The lubricant mud is replaced by a product typically comprising bentonite and a setting agent such as cement. In time, the cement transforms the product into a solidified jacket around the elongate member. Preferably the product contains a pigment. The invention also relates to a two-stage apparatus for enlarging the hole and drawing the cable or pipe into the hole. The invention further relates to a material mix for use as the product.
PCT/GB1999/001044 1998-04-06 1999-04-06 Underground cable and pipelaying WO1999051850A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU33397/99A AU3339799A (en) 1998-04-06 1999-04-06 Underground cable and pipelaying

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9807279.6 1998-04-06
GBGB9807279.6A GB9807279D0 (en) 1998-04-06 1998-04-06 Improvements to underground cable and pipelaying

Publications (2)

Publication Number Publication Date
WO1999051850A2 WO1999051850A2 (en) 1999-10-14
WO1999051850A3 true WO1999051850A3 (en) 1999-12-09

Family

ID=10829874

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1999/001044 WO1999051850A2 (en) 1998-04-06 1999-04-06 Underground cable and pipelaying

Country Status (3)

Country Link
AU (1) AU3339799A (en)
GB (1) GB9807279D0 (en)
WO (1) WO1999051850A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116698829B (en) * 2023-08-08 2023-10-03 华能新能源股份有限公司山西分公司 Wind-powered electricity generation basis soil freezes degree of depth measuring equipment

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519452A (en) * 1984-05-31 1985-05-28 Exxon Production Research Co. Method of drilling and cementing a well using a drilling fluid convertible in place into a settable cement slurry
GB2167156A (en) * 1984-11-15 1986-05-21 Expand A Line Inc Replacing buried pipe
US4768593A (en) * 1983-02-02 1988-09-06 Exxon Production Research Company Method for primary cementing a well using a drilling mud composition which may be converted to cement upon irradiation
US4784230A (en) * 1985-05-14 1988-11-15 Cherrington Martin D Apparatus and method for installing a conduit within an arcuate bore
EP0291193A1 (en) * 1987-05-13 1988-11-17 Cherrington Corporation Method for cementing a production conduit within an underground arcuate bore
DE3801824C1 (en) * 1988-01-22 1989-07-13 Hans Brochier Gmbh & Co, 8500 Nuernberg, De Method and apparatus for the trenchless laying of supply lines
GB2259103A (en) * 1991-08-30 1993-03-03 Compair Holman Ltd Improved drilling apparatus
FR2735841A1 (en) * 1995-06-21 1996-12-27 Ftcs Trepanning enlarging tool for pilot holes drilled in ground for insertion of ducts
US5673753A (en) * 1989-12-27 1997-10-07 Shell Oil Company Solidification of water based muds
WO1998003764A1 (en) * 1996-07-22 1998-01-29 Gary Wayne Jarmyn Underground warning system for underground conduits or pipes

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768593A (en) * 1983-02-02 1988-09-06 Exxon Production Research Company Method for primary cementing a well using a drilling mud composition which may be converted to cement upon irradiation
US4519452A (en) * 1984-05-31 1985-05-28 Exxon Production Research Co. Method of drilling and cementing a well using a drilling fluid convertible in place into a settable cement slurry
GB2167156A (en) * 1984-11-15 1986-05-21 Expand A Line Inc Replacing buried pipe
US4784230A (en) * 1985-05-14 1988-11-15 Cherrington Martin D Apparatus and method for installing a conduit within an arcuate bore
EP0291193A1 (en) * 1987-05-13 1988-11-17 Cherrington Corporation Method for cementing a production conduit within an underground arcuate bore
DE3801824C1 (en) * 1988-01-22 1989-07-13 Hans Brochier Gmbh & Co, 8500 Nuernberg, De Method and apparatus for the trenchless laying of supply lines
US5673753A (en) * 1989-12-27 1997-10-07 Shell Oil Company Solidification of water based muds
GB2259103A (en) * 1991-08-30 1993-03-03 Compair Holman Ltd Improved drilling apparatus
FR2735841A1 (en) * 1995-06-21 1996-12-27 Ftcs Trepanning enlarging tool for pilot holes drilled in ground for insertion of ducts
WO1998003764A1 (en) * 1996-07-22 1998-01-29 Gary Wayne Jarmyn Underground warning system for underground conduits or pipes

Also Published As

Publication number Publication date
AU3339799A (en) 1999-10-25
WO1999051850A2 (en) 1999-10-14
GB9807279D0 (en) 1998-06-03

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