CA970763A - Valve sleeve for use in association with oilfield hydraulic jar tool - Google Patents
Valve sleeve for use in association with oilfield hydraulic jar toolInfo
- Publication number
- CA970763A CA970763A CA192,185A CA192185A CA970763A CA 970763 A CA970763 A CA 970763A CA 192185 A CA192185 A CA 192185A CA 970763 A CA970763 A CA 970763A
- Authority
- CA
- Canada
- Prior art keywords
- association
- valve sleeve
- hydraulic jar
- jar tool
- oilfield hydraulic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA192,185A CA970763A (en) | 1974-02-11 | 1974-02-11 | Valve sleeve for use in association with oilfield hydraulic jar tool |
DE19752504449 DE2504449C3 (en) | 1974-02-11 | 1975-02-04 | Hydraulic impact tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA192,185A CA970763A (en) | 1974-02-11 | 1974-02-11 | Valve sleeve for use in association with oilfield hydraulic jar tool |
Publications (1)
Publication Number | Publication Date |
---|---|
CA970763A true CA970763A (en) | 1975-07-08 |
Family
ID=4099144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA192,185A Expired CA970763A (en) | 1974-02-11 | 1974-02-11 | Valve sleeve for use in association with oilfield hydraulic jar tool |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA970763A (en) |
DE (1) | DE2504449C3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5033557A (en) * | 1990-05-07 | 1991-07-23 | Anadrill, Inc. | Hydraulic drilling jar |
-
1974
- 1974-02-11 CA CA192,185A patent/CA970763A/en not_active Expired
-
1975
- 1975-02-04 DE DE19752504449 patent/DE2504449C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2504449A1 (en) | 1975-08-14 |
DE2504449B2 (en) | 1979-04-19 |
DE2504449C3 (en) | 1979-12-06 |
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