CH568471A5 - - Google Patents

Info

Publication number: CH568471A5
Authority: CH; Switzerland

Application number

CH1726671A

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.)

1970-11-27

Filing date

1971-11-26

Publication date

1975-10-31

1971-11-26 Application filed by Sandvik Ab filed Critical Sandvik Ab

1975-10-31 Publication of CH568471A5 publication Critical patent/CH568471A5/xx

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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole
- 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
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
- 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
- E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
- E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable

Landscapes

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

CH1726671A 1970-11-27 1971-11-26 CH568471A5 (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE16078/70A SE346354B (xx)	1970-11-27	1970-11-27

Publications (1)

Publication Number	Publication Date
CH568471A5 true CH568471A5 (xx)	1975-10-31

Family

ID=20301699

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1726671A CH568471A5 (xx)	1970-11-27	1971-11-26

Country Status (15)

Country	Link
US (1)	US3753470A (xx)
JP (1)	JPS5125401B1 (xx)
AT (1)	AT330118B (xx)
AU (1)	AU471984B2 (xx)
BE (1)	BE775881A (xx)
BR (1)	BR7107874D0 (xx)
CA (1)	CA966116A (xx)
CH (1)	CH568471A5 (xx)
FI (1)	FI55559C (xx)
FR (1)	FR2115421B1 (xx)
GB (1)	GB1366495A (xx)
IT (1)	IT941173B (xx)
NO (1)	NO134342C (xx)
SE (1)	SE346354B (xx)
ZA (1)	ZA717492B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2409373A1 (fr) *	1977-11-21	1979-06-15	Stenuick France	Dispositif de forage de trous dans le sol, comportant un marteau pneumatique equipe d'un taillant excentre
JPS55142891A (en) *	1979-04-23	1980-11-07	Toyosaku Shibata	Pneumatic impact machine
SE421551B (sv) *	1980-03-26	1982-01-04	Sandvik Ab	Borrverktyg for rotations- och/eller slagborrning
SE454196C (sv) *	1983-09-23	1991-11-04	Jan Persson	Jord- och bergborrningsanordning foer samtidig borrning och infodring av borrhaalet
ES8702198A1 (es) *	1985-12-31	1987-01-01	Sanchez Velasco Vicente	Aparato para la obtencion de cavidades anulares en el fondo de taladros practicados sobre paramentos de cualquier tipo
SE460141B (sv) *	1986-02-24	1989-09-11	Santrade Ltd	Borrverktyg foer rotations- och/eller slagborrning innefattande en excentrisk rymmare samt rymmare ingaaende i ett saadant borrverktyg
GB2216926B (en) *	1988-04-06	1992-08-12	Jumblefierce Limited	Drilling method and apparatus
SE8901199L (sv) *	1989-04-05	1990-10-06	Uniroc Ab	Excentrisk borrkrona
US4962822A (en) *	1989-12-15	1990-10-16	Numa Tool Company	Downhole drill bit and bit coupling
SE467632B (sv) *	1990-01-17	1992-08-17	Uniroc Ab	Borrverktyg foer slaaende och roterande borrning under samtidig neddrivning av ett foderroer
US5009271A (en) *	1990-07-16	1991-04-23	Milan Maric	Drill assembly
US6920944B2 (en) *	2000-06-27	2005-07-26	Halliburton Energy Services, Inc.	Apparatus and method for drilling and reaming a borehole
US6213226B1 (en)	1997-12-04	2001-04-10	Halliburton Energy Services, Inc.	Directional drilling assembly and method
US6325162B1 (en)	1997-12-04	2001-12-04	Halliburton Energy Services, Inc.	Bit connector
SE526511C2 (sv) *	2004-04-07	2005-09-27	Atlas Copco Rotex Ab Oy	Anordning vid verktyg för sänkborrning med pilotborrkrona, rymmare och styrkropp
NO329445B1 (no) *	2008-04-29	2010-10-25	Statoilhydro Asa	Toppfreseverktoy
DE102008028997B4 (de)	2008-06-20	2012-03-01	Dr. Sven Becker und Dr. Michael Bahns GbR (vertretungsberechtigter Gesellschafter: Dr. Sven Becker, 30655 Hannover)	Bohrverfahren und Bohrgerät zur Herstellung eines Bohrlochs in Erde und Gestein
GB2465505C (en)	2008-06-27	2020-10-14	Rasheed Wajid	Electronically activated underreamer and calliper tool
CA2680894C (en)	2008-10-09	2015-11-17	Andergauge Limited	Drilling method
GB2486898A (en)	2010-12-29	2012-07-04	Nov Downhole Eurasia Ltd	A downhole tool with at least one extendable offset cutting member for reaming a bore

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1065294A (en) *	1911-11-15	1913-06-17	Hydraulic Drilling Company	Well-boring tool.
US1515819A (en) *	1922-12-27	1924-11-18	John A Zublin	Rotary well drill
US1745650A (en) *	1927-10-19	1930-02-04	Grant John	Expanding roller underreamer
US1776611A (en) *	1927-11-12	1930-09-23	Swan M Akeyson	Rotary underreamer
US1805806A (en) *	1930-03-07	1931-05-19	Grant	Expanding reaming or cutting tool
US2382725A (en) *	1942-12-09	1945-08-14	Patco Inc	Rotary underreamer
FR1468681A (fr) *	1965-02-19	1967-02-10	Inst Francais Du Petrole	Outil d'alésage des puits forés dans le sol
US3416616A (en) *	1967-03-01	1968-12-17	Skanska Cementgjuteriet Ab	Deep drills with eccentric bits
SE325005B (xx) *	1968-10-16	1970-06-22	Atlas Copco Ab

1970
- 1970-11-27 SE SE16078/70A patent/SE346354B/xx unknown
1971
- 1971-11-08 ZA ZA717492A patent/ZA717492B/xx unknown
- 1971-11-12 FI FI3243/71A patent/FI55559C/fi active
- 1971-11-17 IT IT31231/71A patent/IT941173B/it active
- 1971-11-23 AT AT1008471A patent/AT330118B/de not_active IP Right Cessation
- 1971-11-25 JP JP46094843A patent/JPS5125401B1/ja active Pending
- 1971-11-26 FR FR7142413A patent/FR2115421B1/fr not_active Expired
- 1971-11-26 CA CA128,656A patent/CA966116A/en not_active Expired
- 1971-11-26 NO NO4352/71A patent/NO134342C/no unknown
- 1971-11-26 AU AU36223/71A patent/AU471984B2/en not_active Expired
- 1971-11-26 BE BE775881A patent/BE775881A/xx not_active IP Right Cessation
- 1971-11-26 BR BR7874/71A patent/BR7107874D0/pt unknown
- 1971-11-26 CH CH1726671A patent/CH568471A5/xx not_active IP Right Cessation
- 1971-11-29 GB GB5529571A patent/GB1366495A/en not_active Expired
- 1971-11-29 US US00202827A patent/US3753470A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA966116A (en)	1975-04-15
AU471984B2 (en)	1976-05-13
JPS5125401B1 (xx)	1976-07-30
SE346354B (xx)	1972-07-03
GB1366495A (en)	1974-09-11
US3753470A (en)	1973-08-21
FI55559B (fi)	1979-04-30
DE2157314B2 (de)	1973-01-11
DE2157314A1 (de)	1972-06-15
BR7107874D0 (pt)	1973-02-22
NO134342B (xx)	1976-06-14
FI55559C (fi)	1979-08-10
NO134342C (xx)	1976-09-22
BE775881A (fr)	1972-03-16
IT941173B (it)	1973-03-01
FR2115421A1 (xx)	1972-07-07
ZA717492B (en)	1972-10-25
FR2115421B1 (xx)	1974-05-10
AU3622371A (en)	1973-05-31
AT330118B (de)	1976-06-10

Publication	Publication Date	Title
FR2115421B1 (xx)	1974-05-10
ATA96471A (xx)	1973-02-15
AU2044470A (xx)	1972-03-30
AU1146470A (xx)	1971-08-19
AU1473870A (xx)	1971-11-11
AU1833270A (xx)	1972-02-10
AU2130570A (xx)	1972-04-27
AU2017870A (xx)	1972-03-23
AU1336970A (xx)	1971-10-07
AU1716970A (xx)	1972-01-06
AU1326870A (xx)	1971-10-28
AU1517670A (xx)	1971-11-18
AU2085370A (xx)	1972-04-13
AR195465A1 (xx)	1973-10-15
AU1591370A (xx)	1971-12-09
AU1841070A (xx)	1972-02-10
AU1328670A (xx)	1971-10-07
AU1343870A (xx)	1971-10-07
AU1277070A (xx)	1971-09-23
AU2144270A (xx)	1972-04-27
AU2131570A (xx)	1972-04-27
AU2130770A (xx)	1972-04-27
AU1247570A (xx)	1971-09-16
AU1581370A (xx)	1971-12-09
AU1235770A (xx)	1971-09-16

Legal Events

Date	Code	Title	Description
1992-01-31	PL	Patent ceased