Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4593770 | Method for preventing the drilling of a new well into one of a plurality of production wells | — | 1986-06-10 |
| 4591785 | Method for detecting soft spots in the hardness of steel casing | — | 1986-05-27 |
| 4578645 | Borehole logging tool utilizing electromagnetic energy in the determination of dip of subsurface formations surrounding a borehole | — | 1986-03-25 |
| 4542600 | Method for controlling the depth of dragline excavating operations | — | 1985-09-24 |
| 4465140 | Method for the magnetization of well casing | — | 1984-08-14 |
| 4458767 | Method for directionally drilling a first well to intersect a second well | — | 1984-07-10 |
| 4449099 | Recording decimated magnetotelluric measurements with coherence | — | 1984-05-15 |
| 4286218 | Multiple site magnetotelluric measurements | Marvin G. Bloomquist, Lonnie J. Norton, Barry N. Warner | 1981-08-25 |
| 4210869 | Rotating telluric field measurements | Goethe M. Groenendyke, deceased | 1980-07-01 |