AU6903981A - Raise drill assembly - Google Patents

Raise drill assembly

Info

Publication number
AU6903981A
AU6903981A AU69039/81A AU6903981A AU6903981A AU 6903981 A AU6903981 A AU 6903981A AU 69039/81 A AU69039/81 A AU 69039/81A AU 6903981 A AU6903981 A AU 6903981A AU 6903981 A AU6903981 A AU 6903981A
Authority
AU
Australia
Prior art keywords
drill assembly
raise drill
raise
assembly
drill
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.)
Abandoned
Application number
AU69039/81A
Inventor
Erik Anders Persson
Gunnar Torsten Soderstrom
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.)
Sandvik AB
Original Assignee
Sandvik AB
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 Sandvik AB filed Critical Sandvik AB
Publication of AU6903981A publication Critical patent/AU6903981A/en
Abandoned 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
AU69039/81A 1980-05-30 1981-04-02 Raise drill assembly Abandoned AU6903981A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8004039A SE8004039L (en) 1980-05-30 1980-05-30 DRILL SET AND DEVICE
SE80040397 1980-05-30

Publications (1)

Publication Number Publication Date
AU6903981A true AU6903981A (en) 1981-12-03

Family

ID=20341086

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69039/81A Abandoned AU6903981A (en) 1980-05-30 1981-04-02 Raise drill assembly

Country Status (7)

Country Link
AU (1) AU6903981A (en)
BR (1) BR8103266A (en)
DE (1) DE3114927A1 (en)
NO (1) NO811818L (en)
SE (2) SE8004039L (en)
ZA (1) ZA812279B (en)
ZM (1) ZM4581A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO176528C (en) * 1992-02-17 1995-04-19 Kverneland Klepp As Device at drill bit
CN110748298B (en) * 2019-11-15 2022-03-18 四川石油天然气建设工程有限责任公司 Reamer with self-righting guide function
CN114776223A (en) * 2022-04-20 2022-07-22 泰山学院 Drilling and expansion combined type rock breaking hole-expanding cutter head of raise boring machine and rock breaking method

Also Published As

Publication number Publication date
NO811818L (en) 1981-12-01
BR8103266A (en) 1982-02-16
SE8102752L (en) 1981-12-01
DE3114927A1 (en) 1982-02-25
SE8004039L (en) 1981-12-01
ZA812279B (en) 1982-04-28
ZM4581A1 (en) 1981-12-21

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