NL74741C - - Google Patents
Info
- Publication number
- NL74741C NL74741C NL74741DA NL74741C NL 74741 C NL74741 C NL 74741C NL 74741D A NL74741D A NL 74741DA NL 74741 C NL74741 C NL 74741C
- Authority
- NL
- Netherlands
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
- E21B43/117—Shaped-charge perforators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
- F42B1/02—Shaped or hollow charges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
- F42D5/045—Detonation-wave absorbing or damping means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
- F42D5/055—Silencing means for blasting operations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Woven Fabrics (AREA)
- Revetment (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR692741X | 1950-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL74741C true NL74741C (nl) |
Family
ID=9038853
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6810578.A NL159675B (nl) | 1950-03-17 | Werkwijze voor het bereiden van 3-methoxy-1,3,5(10),6,8- -oestrapentaeen-17-on. | |
NL74741D NL74741C (nl) | 1950-03-17 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6810578.A NL159675B (nl) | 1950-03-17 | Werkwijze voor het bereiden van 3-methoxy-1,3,5(10),6,8- -oestrapentaeen-17-on. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2792783A (nl) |
DE (1) | DE854184C (nl) |
GB (1) | GB692741A (nl) |
NL (2) | NL74741C (nl) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2873676A (en) * | 1953-08-31 | 1959-02-17 | Welex Inc | Multiple shaped charge assembly |
US3491694A (en) * | 1954-06-08 | 1970-01-27 | Us Navy | Plastic liners for controlled fragmentation |
US3021784A (en) * | 1955-09-21 | 1962-02-20 | Borg Warner | Shaped charge unit for well perforators |
US2980018A (en) * | 1956-01-03 | 1961-04-18 | Borg Warner | Well perforator shaped charge |
DE1044738B (de) * | 1957-02-07 | 1958-11-27 | Dresser Ind | Geformte Hohlladung zum Durchlochen der Verrohrung eines Tiefbohrlochs |
US3221655A (en) * | 1963-06-26 | 1965-12-07 | Dresser Ind | Selective shaped charge gun |
US7237487B2 (en) * | 2004-04-08 | 2007-07-03 | Baker Hughes Incorporated | Low debris perforating gun system for oriented perforating |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2357068A (en) * | 1941-04-18 | 1944-08-29 | Hercules Powder Co Ltd | Blasting cartridge |
US2415814A (en) * | 1943-11-15 | 1947-02-18 | Du Pont | Cable cutting method and device |
US2499440A (en) * | 1945-01-27 | 1950-03-07 | Denver Fire Clay Company | Sheath for explosives |
US2494256A (en) * | 1945-09-11 | 1950-01-10 | Gulf Research Development Co | Apparatus for perforating well casings and well walls |
US2630182A (en) * | 1947-02-19 | 1953-03-03 | Seismograph Service Corp | Method for shooting oil wells |
US2649046A (en) * | 1947-05-01 | 1953-08-18 | Du Pont | Explosive package |
US2629325A (en) * | 1950-05-20 | 1953-02-24 | William G Sweetman | Jet type perforating unit |
-
0
- NL NL6810578.A patent/NL159675B/nl unknown
- NL NL74741D patent/NL74741C/xx active
-
1951
- 1951-03-03 DE DES22091A patent/DE854184C/de not_active Expired
- 1951-03-06 GB GB5399/51A patent/GB692741A/en not_active Expired
- 1951-03-13 US US215262A patent/US2792783A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2792783A (en) | 1957-05-21 |
NL159675B (nl) | |
GB692741A (en) | 1953-06-10 |
DE854184C (de) | 1952-10-30 |