NL173990B - HYDRAULIC YEAR FOR A DRILL COLUMN. - Google Patents
HYDRAULIC YEAR FOR A DRILL COLUMN.Info
- Publication number
- NL173990B NL173990B NLAANVRAGE7704762,A NL7704762A NL173990B NL 173990 B NL173990 B NL 173990B NL 7704762 A NL7704762 A NL 7704762A NL 173990 B NL173990 B NL 173990B
- Authority
- NL
- Netherlands
- Prior art keywords
- year
- hydraulic
- drill column
- drill
- column
- Prior art date
Links
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)
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 |
---|---|
NL7704762A NL7704762A (en) | 1977-11-07 |
NL173990B true NL173990B (en) | 1983-11-01 |
NL173990C NL173990C (en) | 1984-04-02 |
Family
ID=5976926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7704762,A NL173990C (en) | 1976-05-03 | 1977-04-29 | HYDRAULIC YEAR FOR A DRILL COLUMN. |
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)
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)
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 FR FR7713204A patent/FR2350459A1/en active Granted
- 1977-05-02 CA CA277,583A patent/CA1053656A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1546276A (en) | 1979-05-23 |
DE2619472C2 (en) | 1978-05-24 |
NO148495B (en) | 1983-07-11 |
NL7704762A (en) | 1977-11-07 |
FR2350459B1 (en) | 1982-09-10 |
CA1053656A (en) | 1979-05-01 |
RO76323A (en) | 1981-03-30 |
NL173990C (en) | 1984-04-02 |
FR2350459A1 (en) | 1977-12-02 |
IT1086639B (en) | 1985-05-28 |
NO148495C (en) | 1983-10-19 |
DE2619472B1 (en) | 1977-10-13 |
NO771152L (en) | 1977-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: NORTON CHRISTENSEN, INC. |
|
TNT | Modifications of names of proprietors of patents or applicants of examined patent applications |
Owner name: NORTON CHRISTENSEN, INC. |
|
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: BAKER HUGHES INCORPORATED |
|
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19951101 |