OA10249A - System for in situ replacement of cutting means for a ground drill - Google Patents

System for in situ replacement of cutting means for a ground drill Download PDF

Info

Publication number: OA10249A
Authority: OA; OAPI
Prior art keywords: insert; tool; segments; drill; retrieval
Prior art date: 1993-06-16

Application number

OA60755A

Other languages

English (en)

Inventor

Gavin Thomas Mcleod

Matthew Vance Egan

Original Assignee

Down Hole Tech Pty 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.)

1993-06-16

Filing date

1995-12-14

Publication date

1997-10-07

1994-03-02 Priority claimed from AUPM4158A external-priority patent/AUPM415894A0/en

1994-03-02 Priority claimed from AUPM4159A external-priority patent/AUPM415994A0/en

1995-12-14 Application filed by Down Hole Tech Pty Ltd filed Critical Down Hole Tech Pty Ltd

1997-10-07 Publication of OA10249A publication Critical patent/OA10249A/en

Links

238000005520 cutting process Methods 0.000 title claims abstract description 38
238000011065 in-situ storage Methods 0.000 title claims description 11
238000009434 installation Methods 0.000 claims abstract description 53
238000005553 drilling Methods 0.000 claims description 24
230000000717 retained effect Effects 0.000 claims description 15
238000005070 sampling Methods 0.000 claims description 6
230000006835 compression Effects 0.000 claims description 5
238000007906 compression Methods 0.000 claims description 5
230000000694 effects Effects 0.000 claims description 3
230000013011 mating Effects 0.000 claims description 3
SGPGESCZOCHFCL-UHFFFAOYSA-N Tilisolol hydrochloride Chemical compound [Cl-].C1=CC=C2C(=O)N(C)C=C(OCC(O)C[NH2+]C(C)(C)C)C2=C1 SGPGESCZOCHFCL-UHFFFAOYSA-N 0.000 claims 1
241000282472 Canis lupus familiaris Species 0.000 description 37
238000011144 upstream manufacturing Methods 0.000 description 6
239000012530 fluid Substances 0.000 description 5
238000011109 contamination Methods 0.000 description 3
238000001816 cooling Methods 0.000 description 3
238000003780 insertion Methods 0.000 description 3
230000037431 insertion Effects 0.000 description 3
238000005461 lubrication Methods 0.000 description 3
239000000356 contaminant Substances 0.000 description 2
239000010432 diamond Substances 0.000 description 2
238000011010 flushing procedure Methods 0.000 description 2
241001441754 Heteralocha acutirostris Species 0.000 description 1
208000035224 Ring chromosome 12 syndrome Diseases 0.000 description 1
241001505100 Succisa pratensis Species 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000008602 contraction Effects 0.000 description 1
239000012809 cooling fluid Substances 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000003116 impacting effect Effects 0.000 description 1
230000003993 interaction Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
238000000034 method Methods 0.000 description 1
239000011435 rock Substances 0.000 description 1
238000009964 serging Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/03—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
- 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
- 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
- E21B10/02—Core bits
- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe

Landscapes

Engineering & Computer Science (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (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)
Processing Of Stones Or Stones Resemblance Materials (AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

OA60755A 1993-06-16 1995-12-14 System for in situ replacement of cutting means for a ground drill OA10249A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
AUPL940793		1993-06-16
AUPM4158A AUPM415894A0 (en)	1994-03-02	1994-03-02	Retractable drill bit segments
AUPM4159A AUPM415994A0 (en)	1994-03-02	1994-03-02	Retractable drill bit

Publications (1)

Publication Number	Publication Date
OA10249A true OA10249A (en)	1997-10-07

Family

ID=27157725

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
OA60755A OA10249A (en)	1993-06-16	1995-12-14	System for in situ replacement of cutting means for a ground drill

Country Status (17)

Country	Link
US (4)	US5662182A (fr)
EP (5)	EP0702746B1 (fr)
JP (5)	JP2695991B2 (fr)
KR (1)	KR960703190A (fr)
CN (2)	CN1046783C (fr)
BG (1)	BG99722A (fr)
BR (1)	BR9406309A (fr)
CA (1)	CA2151272C (fr)
DE (1)	DE702746T1 (fr)
ES (1)	ES2089987T1 (fr)
FI (1)	FI953103A7 (fr)
NO (1)	NO954846L (fr)
NZ (1)	NZ267371A (fr)
OA (1)	OA10249A (fr)
PL (1)	PL173620B1 (fr)
RO (1)	RO112529B1 (fr)
RU (4)	RU2109916C1 (fr)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7147068B2 (en)	1994-10-14	2006-12-12	Weatherford / Lamb, Inc.	Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7108084B2 (en)	1994-10-14	2006-09-19	Weatherford/Lamb, Inc.	Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7013997B2 (en)	1994-10-14	2006-03-21	Weatherford/Lamb, Inc.	Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US6868906B1 (en)	1994-10-14	2005-03-22	Weatherford/Lamb, Inc.	Closed-loop conveyance systems for well servicing
US7228901B2 (en)	1994-10-14	2007-06-12	Weatherford/Lamb, Inc.	Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7036610B1 (en)	1994-10-14	2006-05-02	Weatherford / Lamb, Inc.	Apparatus and method for completing oil and gas wells
US7040420B2 (en)	1994-10-14	2006-05-09	Weatherford/Lamb, Inc.	Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7100710B2 (en)	1994-10-14	2006-09-05	Weatherford/Lamb, Inc.	Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
AUPN504995A0 (en) *	1995-08-28	1995-09-21	Down Hole Technologies Pty Ltd	Locking system
AUPN505395A0 (en)	1995-08-28	1995-09-21	Down Hole Technologies Pty Ltd	Tool for transporting cutting means to and from a ground drill
AUPN505295A0 (en) *	1995-08-28	1995-09-21	Down Hole Technologies Pty Ltd	Retraction system for a latching mechanism of the tool
AUPN673995A0 (en)	1995-11-22	1995-12-14	Down Hole Technologies Pty Ltd	A sleeve for orientating a tool
AUPO724797A0 (en)	1997-06-06	1997-07-03	Down Hole Technologies Pty Ltd	Retrieval head for a drill bit composed of a plurality of bit segments
US6536520B1 (en)	2000-04-17	2003-03-25	Weatherford/Lamb, Inc.	Top drive casing system
US6742596B2 (en)	2001-05-17	2004-06-01	Weatherford/Lamb, Inc.	Apparatus and methods for tubular makeup interlock
US7509722B2 (en)	1997-09-02	2009-03-31	Weatherford/Lamb, Inc.	Positioning and spinning device
GB2364728B (en) *	1998-05-16	2002-12-04	Duncan Cuthill	Method of and apparatus for installing a pile underwater to create a mooring anchorage
AUPP426398A0 (en) *	1998-06-22	1998-07-16	Azuko Pty Ltd	A component mounting method and apparatus for a percussion tool
GB9815809D0 (en)	1998-07-22	1998-09-16	Appleton Robert P	Casing running tool
GB2340858A (en)	1998-08-24	2000-03-01	Weatherford Lamb	Methods and apparatus for facilitating the connection of tubulars using a top drive
US7191840B2 (en)	2003-03-05	2007-03-20	Weatherford/Lamb, Inc.	Casing running and drilling system
GB2340859A (en)	1998-08-24	2000-03-01	Weatherford Lamb	Method and apparatus for facilitating the connection of tubulars using a top drive
GB2340857A (en)	1998-08-24	2000-03-01	Weatherford Lamb	An apparatus for facilitating the connection of tubulars and alignment with a top drive
AUPP683898A0 (en) *	1998-10-29	1998-11-26	Dht Technologies Limited	Retractable drill bit system
DE69926802D1 (de)	1998-12-22	2005-09-22	Weatherford Lamb	Verfahren und vorrichtung zum profilieren und verbinden von rohren
US7188687B2 (en)	1998-12-22	2007-03-13	Weatherford/Lamb, Inc.	Downhole filter
GB2347441B (en)	1998-12-24	2003-03-05	Weatherford Lamb	Apparatus and method for facilitating the connection of tubulars using a top drive
GB2345074A (en)	1998-12-24	2000-06-28	Weatherford Lamb	Floating joint to facilitate the connection of tubulars using a top drive
US6854533B2 (en)	2002-12-20	2005-02-15	Weatherford/Lamb, Inc.	Apparatus and method for drilling with casing
US6857487B2 (en)	2002-12-30	2005-02-22	Weatherford/Lamb, Inc.	Drilling with concentric strings of casing
US7311148B2 (en)	1999-02-25	2007-12-25	Weatherford/Lamb, Inc.	Methods and apparatus for wellbore construction and completion
US6896075B2 (en)	2002-10-11	2005-05-24	Weatherford/Lamb, Inc.	Apparatus and methods for drilling with casing
SE516880C2 (sv) *	1999-07-02	2002-03-19	Lars Liw	Kopplingsanordning för en bergborr, mellan ett borrör och ett bortkopplingsbart kärnrör
US7216727B2 (en)	1999-12-22	2007-05-15	Weatherford/Lamb, Inc.	Drilling bit for drilling while running casing
US7334650B2 (en)	2000-04-13	2008-02-26	Weatherford/Lamb, Inc.	Apparatus and methods for drilling a wellbore using casing
US7325610B2 (en)	2000-04-17	2008-02-05	Weatherford/Lamb, Inc.	Methods and apparatus for handling and drilling with tubulars or casing
GB0010378D0 (en)	2000-04-28	2000-06-14	Bbl Downhole Tools Ltd	Expandable apparatus for drift and reaming a borehole
GB2365463B (en)	2000-08-01	2005-02-16	Renovus Ltd	Drilling method
DE10114373A1 (de) *	2001-03-23	2002-10-10	Braun Gmbh	Hand- oder Stabmixer mit Kupplungsvorrichtung
GB0206227D0 (en)	2002-03-16	2002-05-01	Weatherford Lamb	Bore-lining and drilling
US6994176B2 (en)	2002-07-29	2006-02-07	Weatherford/Lamb, Inc.	Adjustable rotating guides for spider or elevator
US6899186B2 (en)	2002-12-13	2005-05-31	Weatherford/Lamb, Inc.	Apparatus and method of drilling with casing
US7730965B2 (en)	2002-12-13	2010-06-08	Weatherford/Lamb, Inc.	Retractable joint and cementing shoe for use in completing a wellbore
US7303022B2 (en)	2002-10-11	2007-12-04	Weatherford/Lamb, Inc.	Wired casing
US6953096B2 (en)	2002-12-31	2005-10-11	Weatherford/Lamb, Inc.	Expandable bit with secondary release device
US7128154B2 (en)	2003-01-30	2006-10-31	Weatherford/Lamb, Inc.	Single-direction cementing plug
USRE42877E1 (en)	2003-02-07	2011-11-01	Weatherford/Lamb, Inc.	Methods and apparatus for wellbore construction and completion
CA2516649C (fr)	2003-02-27	2010-01-19	Weatherford/Lamb, Inc.	Sabot de forage
CA2683763C (fr)	2003-03-05	2013-01-29	Weatherford/Lamb, Inc.	Puits de forage tubes a passage integral
GB2416360B (en)	2003-03-05	2007-08-22	Weatherford Lamb	Drilling with casing latch
GB2415723B (en)	2003-03-05	2006-12-13	Weatherford Lamb	Method and apparatus for drilling with casing
WO2004090279A1 (fr)	2003-04-04	2004-10-21	Weatherford/Lamb, Inc.	Procede et appareil de manipulation de materiel tubulaire pour puits de forage
US7650944B1 (en)	2003-07-11	2010-01-26	Weatherford/Lamb, Inc.	Vessel for well intervention
US7264067B2 (en)	2003-10-03	2007-09-04	Weatherford/Lamb, Inc.	Method of drilling and completing multiple wellbores inside a single caisson
CA2496199C (fr) *	2004-02-17	2013-10-01	Tesco Corporation	Foret centre recuperable
US7284617B2 (en)	2004-05-20	2007-10-23	Weatherford/Lamb, Inc.	Casing running head
CA2514136C (fr)	2004-07-30	2011-09-13	Weatherford/Lamb, Inc.	Dispositif et methodes de mise en place et de recuperation de cuvelage avec verrouillage de forage et ensemble de fond de trou
CA2538196C (fr)	2005-02-28	2011-10-11	Weatherford/Lamb, Inc.	Forage en eau profonde avec tubage
US7857052B2 (en)	2006-05-12	2010-12-28	Weatherford/Lamb, Inc.	Stage cementing methods used in casing while drilling
US8276689B2 (en)	2006-05-22	2012-10-02	Weatherford/Lamb, Inc.	Methods and apparatus for drilling with casing
US7350596B1 (en)	2006-08-10	2008-04-01	Attaya James S	Methods and apparatus for expanding the diameter of a borehole
JP4984938B2 (ja)	2007-02-07	2012-07-25	大日本印刷株式会社	光学素子およびその製造方法
US9359847B2 (en)	2007-03-03	2016-06-07	Longyear Tm, Inc.	High productivity core drilling system
TR201902936T4 (tr) *	2007-03-03	2019-03-21	Longyear Tm Inc	Yüksek verimli karotlu sondaj sistemi.
US8056649B2 (en) *	2007-08-30	2011-11-15	Baker Hughes Incorporated	Apparatus and methods for drilling wellbores that utilize a detachable reamer
WO2009029800A1 (fr) *	2007-08-30	2009-03-05	Baker Hughes Incorporated	Appareil et procédé de forage de puits utilisant un aléseur libérable
SE533911C2 (sv) *	2008-02-26	2011-03-01	Sandvik Intellectual Property	Spärrmekanism för en markborr
US7967085B2 (en) *	2008-04-22	2011-06-28	Longyear Tm, Inc.	Braking devices for use in drilling operations
US20100193250A1 (en) *	2009-01-30	2010-08-05	Tesco Corporation	Cutting Structure for Casing Drilling Underreamer
US8869918B2 (en)	2009-10-07	2014-10-28	Longyear Tm, Inc.	Core drilling tools with external fluid pathways
US8794355B2 (en) *	2009-10-07	2014-08-05	Longyear Tm, Inc.	Driven latch mechanism
US9528337B2 (en)	2009-10-07	2016-12-27	Longyear Tm, Inc.	Up-hole bushing and core barrel head assembly comprising same
US9399898B2 (en)	2009-10-07	2016-07-26	Longyear Tm, Inc.	Core drilling tools with retractably lockable driven latch mechanisms
US8485280B2 (en)	2009-10-07	2013-07-16	Longyear Tm, Inc.	Core drilling tools with retractably lockable driven latch mechanisms
CN101886528B (zh) *	2010-08-03	2013-01-02	煤炭科学研究总院西安研究院	一种坑道近水平孔用绳索取心钻具
USD644668S1 (en)	2010-10-06	2011-09-06	Longyear Tm, Inc.	Core barrel head assembly with axial groove
USD687864S1 (en) *	2012-08-27	2013-08-13	Longyear Tm, Inc.	Latch body
USD687862S1 (en) *	2012-08-27	2013-08-13	Longyear Tm, Inc.	Latch body
USD687863S1 (en) *	2012-08-27	2013-08-13	Longyear Tm, Inc.	Latch body
CN106978972A (zh) *	2017-05-27	2017-07-25	中国铁建重工集团有限公司	一种钻孔装置及钻机
CN109403901B (zh) *	2018-11-08	2023-11-10	深圳大学	取芯钻机钻井液通道结构
CN109403898B (zh) *	2018-11-08	2023-11-10	深圳大学	取芯钻机钻取机构
CN111550206B (zh) *	2020-05-13	2022-08-23	浙江工业职业技术学院	一种岩土工程用岩石采样装置
CN112301853B (zh) *	2020-09-03	2022-04-19	宁波汇洲生态建设有限公司	一种路面裂缝修补施工用的开槽机
CN112796695A (zh) *	2021-01-26	2021-05-14	四川省威沃敦化工有限公司	一种分瓣式完井封隔器的回插机构
CN114484115A (zh) *	2022-03-01	2022-05-13	广西玉柴机器股份有限公司	一种方向可调的旋转接头及方法
KR102441446B1 (ko) *	2022-05-11	2022-09-08	전상구	돌기둥 절단 및 인발기를 이용한 돌기둥 절단 및 인발 공법
KR102488087B1 (ko) *	2022-05-11	2023-01-13	주식회사 일화건업	돌기둥 절단 및 인발기
CN114858534B (zh) *	2022-06-06	2026-02-10	邓丽佳	一种便携式水质采样器

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE169319C (fr) *	1905-03-20
US2068704A (en) *	1932-07-25	1937-01-26	Leonard E Powell	Well drilling and coring apparatus
US2239996A (en) *	1936-05-25	1941-04-29	Chappell Drilling Equipment Co	Drilling apparatus
US2358466A (en) *	1940-09-12	1944-09-19	Herbert C Otis	Well tool
US2345699A (en) *	1942-04-20	1944-04-04	Standard Oil Dev Co	Retractable core head
US2640546A (en) *	1949-03-11	1953-06-02	Baker Oil Tools Inc	Apparatus for operating tools in well bores
DE963594C (de) *	1952-01-29	1957-05-09	Exxon Research Engineering Co	Rollenbohrer mit einziehbarem Bohrkopf fuer Tiefbohrzwecke
US2842343A (en) *	1954-11-19	1958-07-08	Walter L Church	Retractible bit
GB788637A (en) *	1955-09-26	1958-01-02	Baker Oil Tools Inc	Retrievable double holding subsurface well tool
US2982366A (en) *	1956-07-30	1961-05-02	Jersey Prod Res Co	Retractable drill bit
US3365010A (en) *	1966-01-24	1968-01-23	Tri State Oil Tools Inc	Expandable drill bit
US3437159A (en) *	1966-09-30	1969-04-08	Christensen Diamond Prod Co	Retractable drill bits
US3603413A (en) *	1969-10-03	1971-09-07	Christensen Diamond Prod Co	Retractable drill bits
US3603417A (en) *	1969-12-16	1971-09-07	Hilton J Wachholz	Weighing apparatus for wheeled vehicles
US3603411A (en) *	1970-01-19	1971-09-07	Christensen Diamond Prod Co	Retractable drill bits
US3692126A (en) *	1971-01-29	1972-09-19	Frank C Rushing	Retractable drill bit apparatus
US3880247A (en) *	1972-08-23	1975-04-29	Thomas J Harding	Replaceable drill bit for rotary drilling of bore holes
US3955633A (en) *	1974-04-26	1976-05-11	Mindrill Limited	Drill
SU579403A1 (ru) *	1974-10-01	1977-11-05	Всесоюзный Научно-Исследовательский Институт Методики И Техники Разведки	Вставное долото режущего типа
CH622312A5 (en) *	1977-09-30	1981-03-31	Anton Broder	Drill bit, in particular for drilling in overburden
SU777198A1 (ru) *	1977-10-20	1980-11-07	Специальное Конструкторское Бюро Научно-Производственного Объединения "Геотехника" Министерства Геологии Ссср	Раздвижна бурова коронка
US4281722A (en) *	1979-05-15	1981-08-04	Long Year Company	Retractable bit system
US4497382A (en) *	1983-03-24	1985-02-05	Komitet Po Goelogica	Retractable core drill bit
US4651837A (en) *	1984-05-31	1987-03-24	Mayfield Walter G	Downhole retrievable drill bit
ZA865010B (en) *	1985-07-09	1988-02-24	Diamant Boart Ltd	Core sampling device
CN86107578A (zh) *	1986-04-01	1987-10-21	株式会社利根钻机	用于岩芯钻探的钻头
SU1571198A1 (ru) *	1986-10-03	1990-06-15	А. М. Белов	Снар д со съемной коронкой
US4828023A (en) *	1988-01-19	1989-05-09	Eastern Oil Tools Pte, Ltd.	Mechanical latching device operated by dead weight and tension
NO169399C (no) *	1988-06-27	1992-06-17	Noco As	Anordning for boring av hull i jordmasser
JPH04500105A (ja) *	1989-05-19	1992-01-09	フセソユズニ　ナウチノ―イススレドバテルスキ　インスティテュト　メトディキ　イ　テフニキ　ラズベドキ，ナウチノ―プロイズボドストベンノエ　オビエディネニエ“ゲオテフニカ”	掘削工具
US5074355A (en) *	1990-08-10	1991-12-24	Masx Energy Services Group, Inc.	Section mill with multiple cutting blades
US5197553A (en) *	1991-08-14	1993-03-30	Atlantic Richfield Company	Drilling with casing and retrievable drill bit
US5271472A (en) *	1991-08-14	1993-12-21	Atlantic Richfield Company	Drilling with casing and retrievable drill bit
US5186265A (en) *	1991-08-22	1993-02-16	Atlantic Richfield Company	Retrievable bit and eccentric reamer assembly

1994
- 1994-06-15 EP EP94918244A patent/EP0702746B1/fr not_active Expired - Lifetime
- 1994-06-15 BR BR9406309A patent/BR9406309A/pt not_active Application Discontinuation
- 1994-06-15 EP EP95108814A patent/EP0678652A3/fr not_active Withdrawn
- 1994-06-15 RU RU95109784A patent/RU2109916C1/ru active
- 1994-06-15 EP EP95108815A patent/EP0678653B1/fr not_active Expired - Lifetime
- 1994-06-15 RO RO95-02165A patent/RO112529B1/ro unknown
- 1994-06-15 CA CA002151272A patent/CA2151272C/fr not_active Expired - Fee Related
- 1994-06-15 EP EP95108813A patent/EP0678651A3/fr not_active Withdrawn
- 1994-06-15 RU RU95109787A patent/RU2108442C1/ru active
- 1994-06-15 JP JP7501120A patent/JP2695991B2/ja not_active Expired - Lifetime
- 1994-06-15 ES ES94918244T patent/ES2089987T1/es active Pending
- 1994-06-15 EP EP95108816A patent/EP0678654B1/fr not_active Expired - Lifetime
- 1994-06-15 RU RU95109783A patent/RU2109907C1/ru active
- 1994-06-15 KR KR1019950705629A patent/KR960703190A/ko not_active Ceased
- 1994-06-15 DE DE0702746T patent/DE702746T1/de active Pending
- 1994-06-15 RU RU95109786A patent/RU2110661C1/ru active
- 1994-06-15 CN CN94190858A patent/CN1046783C/zh not_active Expired - Fee Related
- 1994-06-15 US US08/433,402 patent/US5662182A/en not_active Expired - Fee Related
1995
- 1995-06-07 US US08/475,904 patent/US5954146A/en not_active Expired - Fee Related
- 1995-06-07 US US08/475,905 patent/US5785134A/en not_active Expired - Fee Related
- 1995-06-07 US US08/473,879 patent/US5813481A/en not_active Expired - Fee Related
- 1995-06-14 BG BG99722A patent/BG99722A/xx unknown
- 1995-06-21 FI FI953103A patent/FI953103A7/fi unknown
- 1995-06-29 JP JP7164334A patent/JP2706638B2/ja not_active Expired - Lifetime
- 1995-06-29 JP JP7164333A patent/JP2706637B2/ja not_active Expired - Lifetime
- 1995-06-29 JP JP7164335A patent/JP2706639B2/ja not_active Expired - Lifetime
- 1995-06-29 JP JP7164332A patent/JP2706636B2/ja not_active Expired - Lifetime
- 1995-06-30 PL PL94309608A patent/PL173620B1/pl unknown
- 1995-06-30 NZ NZ267371A patent/NZ267371A/en unknown
- 1995-07-26 CN CN95108608A patent/CN1061122C/zh not_active Expired - Fee Related
- 1995-11-29 NO NO954846A patent/NO954846L/no not_active Application Discontinuation
- 1995-12-14 OA OA60755A patent/OA10249A/en unknown

Also Published As

Publication number	Publication date
CA2151272C (fr)	1998-12-08
BR9406309A (pt)	1996-01-02
EP0678652A3 (fr)	1996-09-11
EP0678651A2 (fr)	1995-10-25
EP0678651A3 (fr)	1996-09-11
JPH08270359A (ja)	1996-10-15
CN1121553A (zh)	1996-05-01
EP0702746A1 (fr)	1996-03-27
EP0678653A2 (fr)	1995-10-25
US5662182A (en)	1997-09-02
JPH08270358A (ja)	1996-10-15
PL173620B1 (pl)	1998-04-30
JPH08270356A (ja)	1996-10-15
EP0702746B1 (fr)	2000-02-23
PL309608A1 (en)	1995-10-30
EP0678652A2 (fr)	1995-10-25
CN1115993A (zh)	1996-01-31
JP2695991B2 (ja)	1998-01-14
US5813481A (en)	1998-09-29
BG99722A (en)	1996-04-30
CN1046783C (zh)	1999-11-24
CA2151272A1 (fr)	1994-12-22
NZ267371A (en)	1996-10-28
ES2089987T1 (es)	1996-10-16
FI953103A0 (fi)	1995-06-21
RU2108442C1 (ru)	1998-04-10
RU2109916C1 (ru)	1998-04-27
EP0678654A2 (fr)	1995-10-25
JPH08270357A (ja)	1996-10-15
RO112529B1 (ro)	1997-10-30
RU2109907C1 (ru)	1998-04-27
US5954146A (en)	1999-09-21
CN1061122C (zh)	2001-01-24
EP0702746A4 (fr)	1996-09-11
EP0678654A3 (fr)	1996-09-11
JP2706636B2 (ja)	1998-01-28
JP2706637B2 (ja)	1998-01-28
JPH08501363A (ja)	1996-02-13
KR960703190A (ko)	1996-06-19
JP2706639B2 (ja)	1998-01-28
JP2706638B2 (ja)	1998-01-28
EP0678653B1 (fr)	2000-03-08
RU2110661C1 (ru)	1998-05-10
EP0678653A3 (fr)	1996-09-11
FI953103A7 (fi)	1995-07-13
DE702746T1 (de)	1996-11-28
US5785134A (en)	1998-07-28
NO954846D0 (no)	1995-11-29
NO954846L (no)	1996-02-01
EP0678654B1 (fr)	2000-03-15

Publication	Publication Date	Title
OA10249A (en)	1997-10-07	System for in situ replacement of cutting means for a ground drill
US5743344A (en)	1998-04-28	System for in situ replacement of cutting means for a ground drill
US3603413A (en)	1971-09-07	Retractable drill bits
CA1240983A (fr)	1988-08-23	Trepan repechable a fond de forage
US3603411A (en)	1971-09-07	Retractable drill bits
US3066749A (en)	1962-12-04	Combination drill bit
US3004614A (en)	1961-10-17	Core-taking apparatus
AU675551B2 (en)	1997-02-06	System for in situ replacement of cutting means for a grounddrill
GB2054008A (en)	1981-02-11	Turbo-coring device equipped with a following pipe
AP577A (en)	1997-03-26	System for use in situ replacement of cutting means for a ground drill.
CA2151276C (fr)	1998-12-08	Une piece rapportee amovible maintenant les articles coupants en place sur l'appareil de coupe
US2189923A (en)	1940-02-13	Coring and drilling device
IL111807A (en)	1998-01-04	System for in situ replacement of cutting means for a ground drill
DE69423471T2 (de)	2000-11-23	Auswechselbares Schneidmittelsegment für einen Bohrmeissel
RU2107801C1 (ru)	1998-03-27	Сегмент режущего средства
US2144687A (en)	1939-01-24	Drilling apparatus