DALE JOSEPH LAMBERT, JR
Pilots at Fawn Rd, Mandeville, LA

2011017, Jul 21, 2011

Jan 19, 2011

13/009287

Dale J. Lambert - Mandeville LA, US

ION GEOPHYSICAL CORPORATION - Houston TX

G01V 1/38, G01V 1/36

367 24

A system and a method for rejecting noise in an underwater sensor cable, such as a towed streamer or an ocean-bottom cable. An adaptive hydrodynamic model of the cable produces an estimated sensor signal from a raw sensor signal from a particle-motion sensor, such as an accelerometer. The estimated sensor signal represents an estimate of the response of the underwater cable to cable motion absent seismic events. A noise-reduced response to particle motion alone is produced by subtracting the estimated sensor signal from the raw sensor signal to reject cable motion and other noise effects in the raw sensor signal. A seismic event detector uses a hydrophone signal from an acceleration-canceling hydrophone to disable the adapting of the hydrodynamic model during seismic events. The hydrophone signal is combined with the response to particle motion by PZ summation to produce a deghosted seismic response signal.

7190634, Mar 13, 2007

May 22, 2003

10/509703

Dale J. Lambert - Mandeville LA, US
Robert E. Rouquette - Kenner LA, US
Daniel B. Seale - Harahan LA, US
Clem B. Guillot - Thibodaux LA, US

Input/Output, Inc. - Stafford TX

G01V 1/40

367128

A GPS-based underwater cable positioning system for use in determining the shape and position of hydrophone streamers towed underwater behind survey vessels involved in marine seismic prospecting. The system includes a plurality of surface units towed behind the vessel. Each surface unit includes a GPS receiver to receive radio frequency GPS signals and to determine its positions. Each surface unit also has an acoustic transmitter to transmit an acoustic message signal representing its position and an optional time stamp into the water. Acoustic receiver units, attached spaced apart locations along one or more streamer cables, each include an acoustic receiver to receive the acoustic message signals from the surface units and to determine its position from the message signals. To augment the message signals from the surface units at locations distant from the surface units, acoustic transceiver units may be used. The acoustic transceiver units are attached to the streamer cables at ranges between the surface units and distant acoustic receiver units.

8593905, Nov 26, 2013

Mar 8, 2010

12/719783

Joseph R. Gagliardi - Katy TX, US
Shawn Rice - Spring TX, US
Curt Schneider - Houston TX, US
Jeffrey W. Cunkelman - Sugar Land TX, US
Timothy A. Dudley - Houston TX, US
Dale Lambert - Mandeville LA, US
Mike Burnham - Houston TX, US

ION Geophysical Corporation - Houston TX

G01V 1/38, B63B 3/38, B63B 35/08, B63B 21/66

367 20, 114140, 114244, 114253

A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source of a seismic system deployed from the vessel. Tow points on the skeg lie below the water's surface and connect to towlines to support the steamers and source. A floatation device supports the source and tows below the water's surface to avoid ice floes. The streamers can have vehicles deployed thereon for controlling a position on the streamer. To facilitate locating the streamers, these vehicles on the streamers can be brought to the surface when clear of ice floes so that GPS readings can be obtained and communicated to a control system. After obtaining readings, the vehicles can be floated back under the surface. Deploying, using, and retrieving the system accounts for ice at the surface in icy regions. In addition, handling the seismic record can account for noise generated by ice impact events.

2011018, Jul 28, 2011

Jan 21, 2011

13/011358

Dale J. Lambert - Mandeville LA, US
André W. Olivier - River Ridge LA, US
Robert E. Rouquette - Covington LA, US

G01V 1/38, G10K 11/00

367 24, 367153

An underwater seismic system for reducing noise due to ghost reflections or motion through the water from seismic signals. The system includes two motion sensors. One sensor has a first response and is sensitive to platform-motion-induced noise as well as to acoustic waves. The other sensor has a different construction that isolates it from the acoustic waves so that its response is mainly to motion noise. The outputs of the two sensor responses are combined to remove the effects of motion noise. When further combined with a hydrophone signal, noise due to ghost reflections is reduced.

6883638, Apr 26, 2005

Mar 16, 2000

09/936629

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

Input/Output, Inc. - Stafford TX

G01V001/40

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

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.

8120507, Feb 21, 2012

Mar 25, 2009

12/410578

Robert E. Rouquette - Covington LA, US
Dale J. Lambert - Mandeville LA, US
Daniel B. Seale - New Orleans LA, US

Ion Geophysical Corporation - Houston TX

H04L 25/20, H04L 5/14, H04B 13/02

340850, 34087018, 34087026

A two-tier communication system for a seismic streamer. The communication system operates over an unshielded twisted-pair communication line extending the length of the streamer. Repeater units having a repeater function and a device controller function divide the twisted pair into line segments. Coils on each segment couple signals inductively to collocated external devices in a low-speed 2400 baud FSK data link between the devices and an associated device controller. A Gaussian 8-level FSK high-speed 60 kbit/s data link is established along all the segments with the repeaters re-transmitting boosted signals along the entire length of the communication line. The coils are transparent at the high-speed data rate. Time division multiple access (TDMA) or frequency division multiple access (FDMA) is used to accommodate the two links on the single twisted pair.

8374053, Feb 12, 2013

May 19, 2010

12/783374

Daniel B. Seale - New Orleans LA, US
Dale J. Lambert - Mandeville LA, US

ION Geophysical Corporation - Houston TX

G01V 1/38

367 19, 367 16

A seismic streamer system and associated methods for estimating the shape of a laterally steered seismic streamer. The streamer is divided into a series of contiguous streamer segments by lateral-steering devices. Heading sensors positioned in forward and aft portions of each segment produce heading readings. Each segment is modeled as having a linear shape in the forward portion and a curved shape in the aft portion. The shape of the segment is estimated according to the model from the heading readings on the segment.

2012005, Mar 8, 2012

Aug 31, 2011

13/222563

Robert E. Rouquette - Covington LA, US
Dale J. Lambert - Mandeville LA, US

ION GEOPHYSICAL CORPORATION - Houston TX

G01V 1/38

367 24

A multi-component sensor of a fluid-borne acoustic wave that senses pressure and up to three orthogonal particle motion components. The sensor is unresponsive to motion of the sensor mount. Furthermore, the sensor is substantially unresponsive to the turbulent flow of the acoustic medium past the sensor.