NO771152L - HYDRAULIC IMPACT DRILL FOR DEEP DRILLING. - Google Patents

HYDRAULIC IMPACT DRILL FOR DEEP DRILLING.

Info

Publication number: NO771152L
Authority: NO; Norway
Prior art keywords: impact drill; deep drilling; hydraulic impact; hydraulic; drilling
Prior art date: 1976-05-03

Application number

NO771152A

Other languages

Norwegian (no)

Other versions

NO148495C (en

NO148495B (en

Inventor

Rainer Jurgens

Original Assignee

Christensen Inc

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.)

1976-05-03

Filing date

1977-03-31

Publication date

1977-11-04

1977-03-31 Application filed by Christensen Inc filed Critical Christensen Inc

1977-11-04 Publication of NO771152L publication Critical patent/NO771152L/en

1983-07-11 Publication of NO148495B publication Critical patent/NO148495B/en

1983-10-19 Publication of NO148495C publication Critical patent/NO148495C/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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
- E21B31/113—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Marine Sciences & Fisheries (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

NO771152A 1976-05-03 1977-03-31 DEEP DRILLING DEVICE NO148495C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2619472A DE2619472C2 (en)	1976-05-03	1976-05-03	Hydraulic hammer shears for deep drilling

Publications (3)

Publication Number	Publication Date
NO771152L true NO771152L (en)	1977-11-04
NO148495B NO148495B (en)	1983-07-11
NO148495C NO148495C (en)	1983-10-19

Family

ID=5976926

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO771152A NO148495C (en)	1976-05-03	1977-03-31	DEEP DRILLING DEVICE

Country Status (8)

Country	Link
CA (1)	CA1053656A (en)
DE (1)	DE2619472C2 (en)
FR (1)	FR2350459A1 (en)
GB (1)	GB1546276A (en)
IT (1)	IT1086639B (en)
NL (1)	NL173990C (en)
NO (1)	NO148495C (en)
RO (1)	RO76323A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4385668A (en) *	1981-02-25	1983-05-31	Turbo Resources Ltd.	Inner pipe support arrangement for double-walled drill pipe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2029609A (en) *	1933-08-07	1936-02-04	Burns Erwin	Well tool
US2876993A (en) *	1955-07-22	1959-03-10	Donald Q Hooks	Jar device for pumps
US3406770A (en) *	1966-06-27	1968-10-22	Roy L Arterbury	Jarring tool
US3912026A (en) *	1974-02-25	1975-10-14	Baker Oil Tools Inc	Fluid pressure locked well drilling tool

1976
- 1976-05-03 DE DE2619472A patent/DE2619472C2/en not_active Expired
1977
- 1977-03-31 NO NO771152A patent/NO148495C/en unknown
- 1977-04-14 IT IT48963/77A patent/IT1086639B/en active
- 1977-04-29 NL NLAANVRAGE7704762,A patent/NL173990C/en not_active IP Right Cessation
- 1977-04-29 GB GB17917/77A patent/GB1546276A/en not_active Expired
- 1977-04-30 RO RO7790202A patent/RO76323A/en unknown
- 1977-05-02 CA CA277,583A patent/CA1053656A/en not_active Expired
- 1977-05-02 FR FR7713204A patent/FR2350459A1/en active Granted

Also Published As

Publication number	Publication date
NL173990B (en)	1983-11-01
NL7704762A (en)	1977-11-07
RO76323A (en)	1981-03-30
CA1053656A (en)	1979-05-01
FR2350459A1 (en)	1977-12-02
FR2350459B1 (en)	1982-09-10
NO148495C (en)	1983-10-19
DE2619472B1 (en)	1977-10-13
IT1086639B (en)	1985-05-28
NO148495B (en)	1983-07-11
NL173990C (en)	1984-04-02
DE2619472C2 (en)	1978-05-24
GB1546276A (en)	1979-05-23

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