DH

Donald L. Howlett

Chevron: 9 patents #523 of 4,788Top 15%
📍 Kingwood, TX: #128 of 726 inventorsTop 20%
🗺 Texas: #16,798 of 125,132 inventorsTop 15%
Overall (All Time): #590,083 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6006855 Borehole seismic detector system employing stabilizers 1999-12-28
5537364 Method and apparatus for conducting seismic surveys from a single well having both seismic sources and receivers deployed therein 1996-07-16
5396955 Method to selectively affect permeability in a reservoir to control fluid flow 1995-03-14
5351755 Method and apparatus for establish the orientation of tools in a cased borehole 1994-10-04
5047992 Electromagnetically induced acoustic well logging 1991-09-10
5042611 Method and apparatus for cross-well seismic surveying 1991-08-27
4727521 Seismic amplifier means and method Herbert Meyer 1988-02-23
4697255 Implosion type energy source for seismic exploration 1987-09-29
4528650 Streamer cable multiplexing apparatus Herbert Meyer, Stanley F. Zimmer 1985-07-09