NO870405L - LOWER-DRILL. - Google Patents

LOWER-DRILL.

Info

Publication number: NO870405L
Authority: NO; Norway
Prior art keywords: drill
Prior art date: 1986-02-03

Application number

NO87870405A

Other languages

Norwegian (no)

Other versions

NO870405D0 (en

Inventor

David William Paul

David Stanley Williams

Original Assignee

Boart Int 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.)

1986-02-03

Filing date

1987-02-02

Publication date

1987-08-04

1987-02-02 Application filed by Boart Int Ltd filed Critical Boart Int Ltd

1987-02-02 Publication of NO870405D0 publication Critical patent/NO870405D0/en

1987-08-04 Publication of NO870405L publication Critical patent/NO870405L/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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1035—Wear protectors; Centralising devices, e.g. stabilisers for plural rods, pipes or lines, e.g. for control lines
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/005—Below-ground automatic control systems

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)

NO87870405A 1986-02-03 1987-02-02 LOWER-DRILL. NO870405L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ZA86768		1986-02-03

Publications (2)

Publication Number	Publication Date
NO870405D0 NO870405D0 (en)	1987-02-02
NO870405L true NO870405L (en)	1987-08-04

Family

ID=25578264

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO87870405A NO870405L (en)	1986-02-03	1987-02-02	LOWER-DRILL.

Country Status (4)

Country	Link
EP (1)	EP0233038A3 (en)
AU (1)	AU581800B2 (en)
FI (1)	FI870444L (en)
NO (1)	NO870405L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3842081A1 (en) *	1988-03-15	1989-09-28	Hausherr & Soehne Rudolf	DRILLING DEVICE
DE8809108U1 (en) *	1988-07-15	1988-09-01	Schmidt, Paul, 5940 Lennestadt	Long body
FR2663978B1 (en) *	1990-06-29	1995-12-15	Elf Aquitaine	PRODUCTION TUBE WITH INTEGRATED HYDRAULIC LINE.
US6308779B1 (en) *	1999-09-16	2001-10-30	Mcneilly A. Keith	Hydraulically driven fishing jars
CN102216552B (en) *	2008-09-17	2015-08-26	Jfk设备有限公司	drilling device
US8893827B2 (en)	2008-09-17	2014-11-25	Jfk Equipment Limited	Drilling apparatus
GB2520301A (en) *	2013-11-15	2015-05-20	Mincon Internat	Filter drill rod adapted for cleaning
JP6777363B2 (en) *	2015-01-08	2020-10-28	ストラーダデザインリミテッド	Multi-fluid drilling system
CN105625937B (en) *	2016-03-08	2017-10-17	唐山玉联机电有限公司	A kind of special impact type Hydro-efflux Hammer drilling equipment of shale gas
WO2020039393A1 (en) *	2018-08-23	2020-02-27	Buehrmann Rudolph	A percussion mechanism
SE2050667A1 (en) *	2020-06-08	2021-12-09	Epiroc Rock Drills Ab	Method and System for Diagnosing an Accumulator in a Hydraulic Circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE7408046L (en) *	1973-06-25	1974-12-27	Joy Mfg Canada
US3978931A (en) *	1975-10-30	1976-09-07	Boris Vasilievich Sudnishnikov	Air-operated drilling machine or rotary-percussive action
DE2733199A1 (en) *	1977-07-22	1979-02-01	Adolf Rotter	Downhole tool for drill rigs - has self-contained power drive for rotation, percussion and thrust behind the drill bit
SE429149B (en) *	1979-03-30	1983-08-15	Gote Ingemar Hansson	MACHINE FOR SINGLE DRILLING IN BERG
DE3143943A1 (en) *	1981-10-29	1983-05-11	Christian Dipl.-Ing. 8900 Augsburg Strobel	Percussion drilling rig
US4518051A (en) *	1983-06-30	1985-05-21	Chevron Research Company	Percussion actuated core sampler
DE3416513A1 (en) *	1984-05-04	1985-11-07	Otto 2000 Hamburg Frühling	Driving machine for inaccessible pipelines
DE3416514A1 (en) *	1984-05-04	1985-11-07	Otto 2000 Hamburg Frühling	Pipe-driving machine of inaccessible diameter

1987
- 1987-01-28 AU AU68073/87A patent/AU581800B2/en not_active Expired - Fee Related
- 1987-02-02 FI FI870444A patent/FI870444L/en not_active Application Discontinuation
- 1987-02-02 NO NO87870405A patent/NO870405L/en unknown
- 1987-02-03 EP EP87300928A patent/EP0233038A3/en not_active Withdrawn

Also Published As

Publication number	Publication date
FI870444A7 (en)	1987-08-04
FI870444L (en)	1987-08-04
FI870444A0 (en)	1987-02-02
EP0233038A2 (en)	1987-08-19
AU6807387A (en)	1987-08-06
NO870405D0 (en)	1987-02-02
EP0233038A3 (en)	1988-11-23
AU581800B2 (en)	1989-03-02

Publication	Publication Date	Title
DE3767169D1 (en)	1991-02-14	SPORTSHOE.
DE3774909D1 (en)	1992-01-16	ANTI-MEDIUM.
DE3775679D1 (en)	1992-02-13	MISTAKER.
NO161872C (en)	1989-10-04	ROERHAANDTERINGSUTSTYR.
FI872563A0 (en)	1987-06-08	SKAERANORDNING.
FI891869A0 (en)	1989-04-19	VAEGNINGSSYSTEM FOER AVFALLSFORDON.
DE3764043D1 (en)	1990-09-06	ALKYLENDIAMINE.
ATE63533T1 (en)	1991-06-15	XYLOLISOMERIZATION.
DE3779761D1 (en)	1992-07-16	DESCELER.
DE3771918D1 (en)	1991-09-12	CHINOLINAMID.
FI862892A0 (en)	1986-07-09	STATIV SPECIELLT FOER BILDSKAERMSTERMINALER.
FI875576L (en)	1988-06-19	YTTERST HAORD THERMISK KRACKNING.
DE3785294D1 (en)	1993-05-13	INCLINATOR.
DE3786679D1 (en)	1993-09-02	SCHMITT-TRIGGERWALTUNG.
DE3773636D1 (en)	1991-11-14	ACID-ACCELERATED HYDROCARBOXILATION.
DE3771271D1 (en)	1991-08-14	FLUORPHTHALIMID.
FI860054A0 (en)	1986-01-07	MOTIONSANORDNING.
NO870405L (en)	1987-08-04	LOWER-DRILL.
DE3779382D1 (en)	1992-07-02	3-6-DIPHENYLPYRIDAZINE.
FI864681A7 (en)	1988-05-19	SKRIDSKOSKIDSTAV.
DE3763648D1 (en)	1990-08-16	ROLLSKI.
FI860046A0 (en)	1986-01-06	FOERLAENGNINGSANORDNING FOER TRAEFANER.
DE3669032D1 (en)	1990-03-22	OKULOPRESSIONSGERAET.
DE3770459D1 (en)	1991-07-04	3-HALOGENSUCCINIMIDES.
DE3766410D1 (en)	1991-01-10	METHYLALKYLCYCLOSILOXANE.