| 9075155 |
Optical fiber based downhole seismic sensor systems and methods |
Etienne M. Samson, John L. Maida |
2015-07-07 |
| 8581580 |
Downhole orientation sensing with nuclear spin gyroscope |
John L. Maida, Etienne M. Samson, Paul F. Rodney |
2013-11-12 |
| 8278923 |
Downhole orientation sensing with nuclear spin gyroscope |
Etienne M. Samson, John L. Maida |
2012-10-02 |
| 6853604 |
Solid marine seismic cable |
James Spackman, Mike Maples, Gary Craig, Louis W. Erath |
2005-02-08 |
| 6731389 |
Method and apparatus for the elimination of polarization fading in interferometric sensing systems |
John L. Maida |
2004-05-04 |
| 6307809 |
Geophone with optical fiber pressure sensor |
Malcolm Paul Varnham, Erhard Lothar Edgar Kluth |
2001-10-23 |
| 6256588 |
Seismic sensor array with electrical to optical transformers |
John L. Maida, Gary Craig, Louis W. Erath |
2001-07-03 |
| 6211964 |
Method and structure for incorporating fiber optic acoustic sensors in a seismic array |
John L. Maida, Malcolm Paul Varnham, Erhard Lothar Edgar Kluth, Sam Bull |
2001-04-03 |
| 6195162 |
Seismic sensor with interferometric sensing apparatus |
Malcolm Paul Varnham, Erhard Lothar Edgar Kluth, Phillip Bull |
2001-02-27 |
| 6188646 |
Hydrophone carrier |
Louis W. Erath, Jim Spackman, David S. Lamance, Michael Maples, Gary Craig |
2001-02-13 |
| 6188645 |
Seismic sensor array with electrical-to optical transformers |
John L. Maida, Gary Craig, Louis W. Erath |
2001-02-13 |
| 6160762 |
Optical sensor |
Gary Craig, John L. Maida, Louis W. Erath, Malcolm Paul Varnham, Ed Kluth |
2000-12-12 |
| 6128251 |
Solid marine seismic cable |
Louis W. Erath, Gary Craig, Michael Maples |
2000-10-03 |
| 5943293 |
Seismic streamer |
Robert M. Braham, Michael Maples |
1999-08-24 |
| 5712828 |
Hydrophone group sensitivity tester |
Michael Maples |
1998-01-27 |
| 4986121 |
Apparatus for measuring the vertical motion of a floating platform |
— |
1991-01-22 |