SE8102752L - Sett och anordning vid borrning - Google Patents

Sett och anordning vid borrning

Info

Publication number
SE8102752L
SE8102752L SE8102752A SE8102752A SE8102752L SE 8102752 L SE8102752 L SE 8102752L SE 8102752 A SE8102752 A SE 8102752A SE 8102752 A SE8102752 A SE 8102752A SE 8102752 L SE8102752 L SE 8102752L
Authority
SE
Sweden
Prior art keywords
bearing elements
drive shank
boring
boring head
drill set
Prior art date
Application number
SE8102752A
Other languages
Unknown language ( )
English (en)
Inventor
G T Soderstrom
E A Persson
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 SE8102752L publication Critical patent/SE8102752L/sv

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
SE8102752A 1980-05-30 1981-04-30 Sett och anordning vid borrning SE8102752L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8004039A SE8004039L (sv) 1980-05-30 1980-05-30 Sett och anordning vid borrning

Publications (1)

Publication Number Publication Date
SE8102752L true SE8102752L (sv) 1981-12-01

Family

ID=20341086

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8004039A SE8004039L (sv) 1980-05-30 1980-05-30 Sett och anordning vid borrning
SE8102752A SE8102752L (sv) 1980-05-30 1981-04-30 Sett och anordning vid borrning

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE8004039A SE8004039L (sv) 1980-05-30 1980-05-30 Sett och anordning vid borrning

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO176528C (no) * 1992-02-17 1995-04-19 Kverneland Klepp As Anordning ved borekroner
CN110748298B (zh) * 2019-11-15 2022-03-18 四川石油天然气建设工程有限责任公司 一种具有自扶正引导功能的扩孔器
CN114776223A (zh) * 2022-04-20 2022-07-22 泰山学院 一种钻胀组合式破岩的反井钻机扩孔刀盘及破岩方法

Also Published As

Publication number Publication date
NO811818L (no) 1981-12-01
ZM4581A1 (en) 1981-12-21
SE8004039L (sv) 1981-12-01
BR8103266A (pt) 1982-02-16
DE3114927A1 (de) 1982-02-25
AU6903981A (en) 1981-12-03
ZA812279B (en) 1982-04-28

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