Henry Andrew Polk

US Patent:

7813222, Oct 12, 2010

Filed:

Jan 31, 2008

Appl. No.:

12/023556

Inventors:

Keith Elder - Richmond TX, US
Steven Kooper - Stafford TX, US
Andras Feszthammer - Stafford TX, US
Donald E. Clayton - Houston TX, US
Henry T. Polk - Houston TX, US

Assignee:

Ion Geophysical Corporation - Houston TX

International Classification:

G01V 1/22

US Classification:

367 76, 367 77, 367 78, 702 14

Abstract:

A seismic data acquisition method is provided that includes receiving seismic signals at a sensor; sampling the received seismic signals into a plurality of samples, each sample having a selected number of bits (“bit length”); arranging the samples in packets, wherein some of the packets include one or more compressed samples; and transmitting the packet to a remote unit.

US Patent:

8077740, Dec 13, 2011

Filed:

Jan 31, 2008

Appl. No.:

12/023725

Inventors:

Keith Elder - Richmond TX, US
Steven Kooper - Stafford TX, US
Andras Feszthammer - Stafford TX, US
Donald E. Clayton - Houston TX, US
Henry T. Polk - Houston TX, US

Assignee:

INOVA, Ltd. - George Town, Grand Cayman

International Classification:

H04J 3/16

US Classification:

370468

Abstract:

A method of acquiring seismic data. The method includes receiving seismic signals at one or more sensors; sampling the received seismic signals into a plurality of samples, each sample having a same bit length; arranging the samples into a plurality of packets; compressing the plurality of packets by varying a time interval between transmissions of at least some of the packets; and transmitting the compressed packets.

US Patent:

20120082003, Apr 5, 2012

Filed:

Dec 13, 2011

Appl. No.:

13/324562

Inventors:

Keith Elder - Richmond TX, US
Steven Kooper - Stafford TX, US
Andras Feszthammer - Stafford TX, US
Donald E. Clayton - Houston TX, US
Henry T. Polk - Houston TX, US

Assignee:

INOVA, Ltd. - Georgetown

International Classification:

G01V 1/22

US Classification:

367 79

Abstract:

A method of acquiring seismic data. The method includes receiving seismic signals at one or more sensors; sampling the received seismic signals into a plurality of samples, compressing at least some of the samples in selected packets before arranging the compressed samples into packets; arranging the samples into a plurality of packets; computing packet efficiency for a packet of the plurality of packets; transmitting the plurality of packets by varying time intervals between transmissions of the packets.

US Patent:

6883638, Apr 26, 2005

Filed:

Mar 16, 2000

Appl. No.:

09/936629

Inventors:

Peter Maxwell - Missouri City TX, US
Lawrence P. Behn - Houston TX, US
Eugene D. Bednar - Austin TX, US
Jeffery C. Gannon - Houston TX, US
Michael Arthur Corrigan - The Woodlands TX, US
Glen Ragan - Sugar Land TX, US
Dale J. Lambert - Mandeville LA, US
Henry Thomas Polk - Houston TX, US
Steven L. Roche - Sugar Land TX, US
Wilfred Roy Bertrand - Meadows Place TX, US
David Wilson - Missouri City TX, US
Byron Lee Cain - Houston TX, US
Michael George McMahon - Stafford TX, US
John C. Downey Jr. - Houston TX, US
Keith Elder - Richmond TX, US

Assignee:

Input/Output, Inc. - Stafford TX

International Classification:

G01V001/40

US Classification:

181102, 181108, 181112, 181139, 367 14, 367 32, 367117, 34087005, 73 101, 73 137, 73570, 73579

Abstract:

Method for operating and testing a sensor assembly (). The sensor assembly () preferably includes accelerometers with axes of sensitivity orthogonal to each other. The method preferably includes determining sensor tilt angle, determining the position of the sensor, and synchronizing the operation of the sensor.