SE320942B - - Google Patents
Info
- Publication number
- SE320942B SE320942B SE9109/68A SE910968A SE320942B SE 320942 B SE320942 B SE 320942B SE 9109/68 A SE9109/68 A SE 9109/68A SE 910968 A SE910968 A SE 910968A SE 320942 B SE320942 B SE 320942B
- Authority
- SE
- Sweden
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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
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- 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
- E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
- E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9109/68A SE320942B (no) | 1968-07-02 | 1968-07-02 | |
US835965A US3610675A (en) | 1968-07-02 | 1969-06-24 | Releasing device for the locking mechanism in wire line core drills |
FR6921772A FR2014486A1 (no) | 1968-07-02 | 1969-06-27 | |
DE19691933481 DE1933481B2 (de) | 1968-07-02 | 1969-07-02 | Vorrichtung zum Entkuppeln der beim Kernbohren mit Doppelkernrohr das innere Kernrohr mit einem Zugseil verbindenden Kupplung |
GB33365/69A GB1248863A (en) | 1968-07-02 | 1969-07-02 | A releasing device for a locking mechanism in wire line core drills |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9109/68A SE320942B (no) | 1968-07-02 | 1968-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE320942B true SE320942B (no) | 1970-02-23 |
Family
ID=20275860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9109/68A SE320942B (no) | 1968-07-02 | 1968-07-02 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3610675A (no) |
DE (1) | DE1933481B2 (no) |
FR (1) | FR2014486A1 (no) |
GB (1) | GB1248863A (no) |
SE (1) | SE320942B (no) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106499341A (zh) * | 2015-09-04 | 2017-03-15 | 钟建华 | 便携式防滑摆取芯钻头 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2817194C2 (de) * | 1977-05-03 | 1984-05-03 | Diamant Boart S.A., Bruxelles | Kernbohrgerät |
SE517190C2 (sv) * | 1999-08-24 | 2002-05-07 | Atlas Copco Rocktech Ab | Spärranordning för en linkärnborr, linkärnborranordning samt förfarande vid linkärnborrning |
AU2014222873B2 (en) * | 2013-03-01 | 2017-06-29 | Sandvik Intellectual Property Ab | Overshot tool having latch control means |
CN112595226A (zh) * | 2020-12-31 | 2021-04-02 | 中国矿业大学 | 一种煤矿井下被保护层膨胀变形量的测定装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2018414A (en) * | 1934-05-11 | 1935-10-22 | Everett B Hand | Core barrel retriever |
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1968
- 1968-07-02 SE SE9109/68A patent/SE320942B/xx unknown
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1969
- 1969-06-24 US US835965A patent/US3610675A/en not_active Expired - Lifetime
- 1969-06-27 FR FR6921772A patent/FR2014486A1/fr not_active Withdrawn
- 1969-07-02 GB GB33365/69A patent/GB1248863A/en not_active Expired
- 1969-07-02 DE DE19691933481 patent/DE1933481B2/de not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106499341A (zh) * | 2015-09-04 | 2017-03-15 | 钟建华 | 便携式防滑摆取芯钻头 |
Also Published As
Publication number | Publication date |
---|---|
GB1248863A (en) | 1971-10-06 |
FR2014486A1 (no) | 1970-04-17 |
US3610675A (en) | 1971-10-05 |
DE1933481A1 (no) | 1970-06-18 |
DE1933481B2 (de) | 1970-06-18 |