1
Phillip Edmund Pruett, Arthur D Hay, Guy A Daigle: Coiled tubing sensor system for delivery of distributed multiplexed sensors. CiDRA Corporation, December 28, 1999: US06009216 (67 worldwide citation)

Lengths of coiled tubing have sensor carrier elements mounted therebetween such that a plurality of sensor carrier elements are positioned along a length of coiled tubing. Each sensor carrier element carriers a sensor implemented with one or more intrinsic fiber optic sensor elements positioned ther ...


2
Arthur D Hay, Alan D Kersey, Robert J Maron, Phillip Edmund Pruett, Mark R Fernald, Guy A Daigle, F Kevin Didden, Allen R Davis, Michael A Davis, Timothy J Bailey: Fiber optic bragg grating pressure sensor. August 21, 2001: US06278811 (50 worldwide citation)

A fiber optic Bragg grating pressure sensor particularly suited for measuring ambient pressure of a fluid includes a pressuring detecting device


3
Carl A Perry, Guy A Daigle: Formation density logging MWD apparatus. Teleco Oilfield Services, Fishman Dionne & Cantor, July 28, 1992: US05134285 (47 worldwide citation)

A measurement-while-drilling (MWD) density tool is provided which incorporates a single gamma ray source and a pair of longitudinally displaced and mutually aligned detector assemblies (i.e., dual scintillation counters). A nuclear source is mounted in a pocket in the sub wall and partially surround ...


4
Mark R Fernald, Timothy J Bailey, Matthew B Miller, James M Sullivan, James R Dunphy, Christopher J Wright, Martin A Putnam, Robert J Maron, Richard T Jones, Guy A Daigle, John J Grunbeck, Alan D Kersey: Fused tension-based fiber grating pressure sensor. Weatherford Lamb, Howrey Simon Arnold & White, December 10, 2002: US06490931 (41 worldwide citation)

A fused tension-based fiber grating pressure sensor includes an optical fiber having a Bragg grating impressed therein. The fiber is fused to tubes on opposite sides of the grating and an outer tube is fused to the tubes to form a chamber. The tubes and fiber may be made of glass. Light is incident ...


5
Richard T Jones, Robert J Maron, Guy A Daigle: Accelerometer featuring fiber optic bragg grating sensor for providing multiplexed multi-axis acceleration sensing. CiDRA Corporation, Ware Fressola Van Der Sluys & Adolphson, January 16, 2001: US06175108 (36 worldwide citation)

An accelerometer has a main body in combination with one or more Bragg grating sensors respectively arranged along one or more axes. The main body has a mass that responds to an acceleration, for providing a force having a component in one or more axes. The Bragg grating sensor means responds to the ...


6
Carl A Perry, Guy A Daigle, Steven Rountree, George Talmadge, John Grunbeck, Mark Wassell: Apparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assemblies. Teleco Oilfied Services, Fishman Dionne & Cantor, September 1, 1992: US05144126 (23 worldwide citation)

An apparatus for nuclear logging is presented. In accordance with the present invention, nuclear detectors and electronic components are all mounted in chambers within the sub wall with covers being removably attached to the chambers. A single bus for delivering both power and signals extends throug ...


7
Carl A Perry, Guy A Daigle, William Bruck, Roy Nordstrom, Steven Rountree, Joseph Dudek Jr, James Tsang, Leonard Goldman: Method and apparatus for nuclear logging using lithium detector assemblies and gamma ray stripping means. Baker Hughes Incorporated, Fishman Dionne & Cantor, January 11, 1994: US05278758 (19 worldwide citation)

A method and apparatus for nuclear logging, and in particular, neutron porosity logging is presented. In accordance with the present invention, a pair of spaced lithium detectors, preferably Li.sup.6 I crystal or Li.sup.6 doped glass are used to detect neutrons emitted from a borehole formation bein ...


8
Guy A Daigle: Pressure sensor assembly suitable for use in harsh environments. Weatherford Lamb, Patterson & Sheridan L, March 28, 2006: US07017417 (17 worldwide citation)

A sensor for sensing the pressure of a first fluid is provided. In one embodiment, sensor for sensing the pressure of a first fluid includes a fiber optic based sensing element disposed in a housing. A buffer fluid is disposed in the housing and is in fluid communication with the sensing element. A ...


9
Carl A Perry, Guy A Daigle: Apparatus for nuclear logging employing sub wall mounted nuclear source container and nuclear source mounting tool. Teleco Oilfield Services, Fishman Dionne & Cantor, June 30, 1992: US05126564 (13 worldwide citation)

A method and apparatus for nuclear logging is presented. In accordance with the present invention, a radioactive source is mounted within the sub wall in alignment with the radiation detectors and orthogonal to the longitudinal axis of the sub. In addition, a novel radioactive source container and i ...


10
Carl A Perry, Guy A Daigle, Steven Rountree, George Talmadge, John Grunbeck, Mark Wassell: Apparatus for nuclear logging employing sub wall mounted detectors and modular connector assemblies. Teleco Oilfield Services, Fishman Dionne & Cantor, June 1, 1993: US05216242 (12 worldwide citation)

An apparatus for nuclear logging is presented. In accordance with the present invention, nuclear detectors and electronic components are all mounted in chambers within the sub wall with covers being removably attached to the chambers. A single bus for delivering both power and signals extends throug ...