US2563131A
(en)
*
|
|
1951-08-07 |
|
Tapping blast furnaces and the like |
US2734456A
(en)
*
|
|
1956-02-14 |
|
sweetman |
US2728296A
(en)
*
|
1945-02-27 |
1955-12-27 |
Leo T Meister |
Instantaneous detonator for hollow charge projectiles
|
US2494256A
(en)
*
|
1945-09-11 |
1950-01-10 |
Gulf Research Development Co |
Apparatus for perforating well casings and well walls
|
US2684030A
(en)
*
|
1945-09-11 |
1954-07-20 |
Gulf Research Development Co |
Apparatus for slotting and cutting pipe
|
US2558924A
(en)
*
|
1945-11-20 |
1951-07-03 |
Sun Oil Co |
Seismographic prospecting apparatus for directing explosive energy
|
US2601522A
(en)
*
|
1946-02-28 |
1952-06-24 |
Carl A Heiland |
Method for geophysical exploration
|
US2616370A
(en)
*
|
1946-09-10 |
1952-11-04 |
Foster James Lewis |
Well explosive
|
US2587243A
(en)
*
|
1946-10-16 |
1952-02-26 |
I J Mccullough |
Cutting apparatus
|
US2587244A
(en)
*
|
1946-11-12 |
1952-02-26 |
I J Mccullough |
Apparatus for cutting pipes within a well
|
US2543814A
(en)
*
|
1946-12-26 |
1951-03-06 |
Welex Jet Services Inc |
Means and method of tilting explosive charges in wells
|
US2630188A
(en)
*
|
1947-01-11 |
1953-03-03 |
Seismograph Service Corp |
System and method of generating seismic waves in the earth
|
US2630182A
(en)
*
|
1947-02-19 |
1953-03-03 |
Seismograph Service Corp |
Method for shooting oil wells
|
US2699721A
(en)
*
|
1947-02-19 |
1955-01-18 |
Seismograph Service Corp |
Explosive cutting device
|
US2779278A
(en)
*
|
1947-02-19 |
1957-01-29 |
Borg Warner |
Apparatus for perforating well casings
|
US3117518A
(en)
*
|
1947-04-15 |
1964-01-14 |
Louis F Porter |
Apparatus for cutting encased explosives
|
US2649046A
(en)
*
|
1947-05-01 |
1953-08-18 |
Du Pont |
Explosive package
|
US2506836A
(en)
*
|
1947-06-10 |
1950-05-09 |
Lloyd H Kaltenberger |
Device for detonating explosives in oil wells
|
US2564128A
(en)
*
|
1947-06-27 |
1951-08-14 |
Seismograph Service Corp |
Method and apparatus for underwater seismic prospecting
|
US2696169A
(en)
*
|
1948-04-10 |
1954-12-07 |
Phillips Petroleum Co |
Shaped charge well-pipe perforator
|
US2669928A
(en)
*
|
1948-06-15 |
1954-02-23 |
William G Sweetman |
Perforating device for wells
|
US2745345A
(en)
*
|
1948-09-18 |
1956-05-15 |
William G Sweetman |
Apparatus for releasing threaded pipe couplings
|
US2750885A
(en)
*
|
1949-01-22 |
1956-06-19 |
Borg Warner |
Aligning means for shaped charge perforating apparatus
|
US2764937A
(en)
*
|
1949-01-22 |
1956-10-02 |
Borg Warner |
Apparatus for perforating well casings by means of shaped charges
|
US2680406A
(en)
*
|
1949-03-14 |
1954-06-08 |
Jet Guns Co Inc |
Explosive container for gun perforators
|
US2742857A
(en)
*
|
1950-01-12 |
1956-04-24 |
Lane Wells Co |
Gun perforators
|
US2667836A
(en)
*
|
1950-03-28 |
1954-02-02 |
Joseph H Church |
Apparatus for the use of shaped explosive charges
|
US2758543A
(en)
*
|
1950-04-10 |
1956-08-14 |
Clarence W Grandin |
Cutting method and apparatus
|
US2760435A
(en)
*
|
1950-07-12 |
1956-08-28 |
Edward N Jones |
Well perforating apparatus
|
US2749841A
(en)
*
|
1950-08-31 |
1956-06-12 |
Edward N Jones |
Hydraulic acting jet gun for perforating well casings
|
US2690123A
(en)
*
|
1950-09-11 |
1954-09-28 |
Standard Oil Dev Co |
Jet gun perforator for wells
|
US2796023A
(en)
*
|
1950-09-11 |
1957-06-18 |
Exxon Research Engineering Co |
Small guns for perforating casing
|
US2853944A
(en)
*
|
1951-02-06 |
1958-09-30 |
Borg Warner |
Apparatus for perforating well casing and the like
|
US2760434A
(en)
*
|
1952-01-10 |
1956-08-28 |
Olin Mathieson |
Explosive
|
US3019731A
(en)
*
|
1960-02-19 |
1962-02-06 |
Advanced Oil Tools Inc |
Jet perforator for well casings
|
US6183569B1
(en)
|
1999-03-15 |
2001-02-06 |
Spectre Enterprises, Inc. |
Cutting torch and associated methods
|
US6627013B2
(en)
|
2002-02-05 |
2003-09-30 |
Greg Carter, Jr. |
Pyrotechnic thermite composition
|