SE428437B - PROCEDURE AND DEVICE FOR COMPOSITION OF DRILL CHAIN SECTIONS BEFORE WELDING - Google Patents

PROCEDURE AND DEVICE FOR COMPOSITION OF DRILL CHAIN SECTIONS BEFORE WELDING

Info

Publication number: SE428437B
Authority: SE; Sweden
Prior art keywords: procedure; composition; before welding; sections before; chain sections
Prior art date: 1977-02-28

Application number

SE7710618A

Other languages

Swedish (sv)

Other versions

SE7710618L (en

Inventor

G W Baur

R Mckee

Original Assignee

Hughes Tool Co

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.)

1977-02-28

Filing date

1977-09-22

Publication date

1983-07-04

1977-09-22 Application filed by Hughes Tool Co filed Critical Hughes Tool Co

1978-08-29 Publication of SE7710618L publication Critical patent/SE7710618L/en

1983-07-04 Publication of SE428437B publication Critical patent/SE428437B/en

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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Drilling And Boring (AREA)

SE7710618A 1977-02-28 1977-09-22 PROCEDURE AND DEVICE FOR COMPOSITION OF DRILL CHAIN SECTIONS BEFORE WELDING SE428437B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US77310077A	1977-02-28	1977-02-28

Publications (2)

Publication Number	Publication Date
SE7710618L SE7710618L (en)	1978-08-29
SE428437B true SE428437B (en)	1983-07-04

Family

ID=25097208

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7710618A SE428437B (en)	1977-02-28	1977-09-22	PROCEDURE AND DEVICE FOR COMPOSITION OF DRILL CHAIN SECTIONS BEFORE WELDING

Country Status (6)

Country	Link
JP (1)	JPS53106354A (en)
BR (1)	BR7705570A (en)
CA (1)	CA1049816A (en)
FR (1)	FR2381592A1 (en)
GB (1)	GB1542780A (en)
SE (1)	SE428437B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104607854B (en) *	2014-12-31	2016-03-02	中国地质大学（武汉）	A kind of automatic soldering device for PDC anchor bit
CN108747154B (en) *	2018-06-28	2020-02-18	鄂尔多斯市神传矿用设备制造有限公司	Cutting tooth installation positioner and use method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3907191A (en) *	1973-10-24	1975-09-23	Dresser Ind	Method of constructing a rotary rock bit
US3987859A (en) *	1973-10-24	1976-10-26	Dresser Industries, Inc.	Unitized rotary rock bit

1977
- 1977-08-08 CA CA284,304A patent/CA1049816A/en not_active Expired
- 1977-08-22 BR BR7705570A patent/BR7705570A/en unknown
- 1977-08-29 JP JP10276477A patent/JPS53106354A/en active Pending
- 1977-09-15 GB GB38600/77A patent/GB1542780A/en not_active Expired
- 1977-09-22 SE SE7710618A patent/SE428437B/en unknown
- 1977-09-22 FR FR7728559A patent/FR2381592A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
FR2381592A1 (en)	1978-09-22
GB1542780A (en)	1979-03-28
CA1049816A (en)	1979-03-06
JPS53106354A (en)	1978-09-16
SE7710618L (en)	1978-08-29
BR7705570A (en)	1978-09-12

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