CA1022150A - Side cutting device for earth boring procedures - Google Patents

Side cutting device for earth boring procedures

Info

Publication number
CA1022150A
CA1022150A CA224,928A CA224928A CA1022150A CA 1022150 A CA1022150 A CA 1022150A CA 224928 A CA224928 A CA 224928A CA 1022150 A CA1022150 A CA 1022150A
Authority
CA
Canada
Prior art keywords
cutting device
side cutting
earth boring
boring procedures
procedures
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
CA224,928A
Other languages
French (fr)
Inventor
Stanley G. Atkins
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.)
ARMADILLO HOLDINGS Ltd
Original Assignee
ARMADILLO HOLDINGS 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 ARMADILLO HOLDINGS Ltd filed Critical ARMADILLO HOLDINGS Ltd
Priority to CA224,928A priority Critical patent/CA1022150A/en
Priority to GB9540/76A priority patent/GB1495914A/en
Priority to AU12074/76A priority patent/AU496843B2/en
Application granted granted Critical
Publication of CA1022150A publication Critical patent/CA1022150A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/10—Correction of deflected boreholes
CA224,928A 1975-04-16 1975-04-16 Side cutting device for earth boring procedures Expired CA1022150A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA224,928A CA1022150A (en) 1975-04-16 1975-04-16 Side cutting device for earth boring procedures
GB9540/76A GB1495914A (en) 1975-04-16 1976-03-10 Side cutting device for earth coring procedures
AU12074/76A AU496843B2 (en) 1975-04-16 1976-03-17 Side cutting device for earth boring procedures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA224,928A CA1022150A (en) 1975-04-16 1975-04-16 Side cutting device for earth boring procedures

Publications (1)

Publication Number Publication Date
CA1022150A true CA1022150A (en) 1977-12-06

Family

ID=4102848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224,928A Expired CA1022150A (en) 1975-04-16 1975-04-16 Side cutting device for earth boring procedures

Country Status (3)

Country Link
AU (1) AU496843B2 (en)
CA (1) CA1022150A (en)
GB (1) GB1495914A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259103A (en) * 1991-08-30 1993-03-03 Compair Holman Ltd Improved drilling apparatus
US5427475A (en) * 1994-02-22 1995-06-27 Coss; Timothy R. Trenchless pipeline installation method and apparatus employing corrective alignment of pilot hole
CN112727359A (en) * 2020-12-25 2021-04-30 中铁广州工程局集团深圳工程有限公司 CFG pile drilling machine structure in high-voltage line low-clearance environment and construction method

Also Published As

Publication number Publication date
GB1495914A (en) 1977-12-21
AU1207476A (en) 1977-09-22
AU496843B2 (en) 1978-11-02

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