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
F Kevin Didden, Arthur D Hay: Distributed selectable latent fiber optic sensors. CiDra Corporation, August 7, 2001: US06271766 (65 worldwide citation)

Distributed selectable fiber optic sensing system include a plurality of fiber grating sensors


3
Arthur D Hay: Oil and gas well packer having fiber optic Bragg Grating sensors for downhole insitu inflation monitoring. CiDra Corporation, Ware Fressola Van Der Sluys & Adolphson, July 20, 1999: US05925879 (57 worldwide citation)

The present invention features an apparatus comprising a packer means and a packer pressure sensing means. The packer means inflates to isolate zones in a well, such as an oil well or a gas well. The packer means responds to a material for inflating and providing a packer inflation pressure. The pac ...


4
Jian Qun Wu, Arthur D Hay, Alan D Kersey: Fiber optic sensing system. CiDRA Corporation, November 16, 1999: US05986749 (57 worldwide citation)

A fiber optic sensor includes a sensor element responsive to a property or condition of a material, such a resistivity, capacitance, inductance, frequency, etc., for providing an output voltage signal that is dependent upon the property or condition of the material. The sensor further includes an op ...


5
Arthur D Hay: Apparatus for optimizing production of multi-phase fluid. Cidra Corporation, McCormick Paulding & Huber, August 28, 2001: US06279660 (52 worldwide citation)

A well assembly for extracting production fluids from at least one production zone of at least one well includes a production pipe for transporting fluid downstream to a surface, a packer for defining the production zone, and a fiber optic sensor package disposed substantially adjacent to a downstre ...


6
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


7
Arthur D Hay, Robert J Maron, James R Dunphy, Phillip Edmund Pruett: Bourdon tube pressure gauge with integral optical strain sensors for measuring tension or compressive strain. CiDRA Corporation, March 2, 1999: US05877426 (43 worldwide citation)

A Bourdon tube pressure gauge is mounted for sensing the pressure of a system. The Bourdon tube is connected to at least one optical strain sensor mounted to be strained by movement of the Bourdon tube such that when the Bourdon tube is exposed to the pressure of the system, movement of the tube in ...


8
Peter C Ogle, Arthur D Hay, Alan D Kersey: Composite form as a component for a pressure transducer. CiDRA Corporation, Ware Fressola Van Der Sluys & Adolphson, February 20, 2001: US06191414 (37 worldwide citation)

A pressure transducer using as a component for changing shape in response to a change in the pressure being measured a composite elongated body, with specially arranged reinforcing fibers. Such a pressure transducer can use various means for sensing the change in shape of the elongated body, includi ...


9
Arthur D Hay: Bolt, stud or fastener having an embedded fiber optic Bragg Grating sensor for sensing tensioning strain. CiDra Corporation, Ware Fressola Van Der Sluys & Adolphson, August 31, 1999: US05945665 (27 worldwide citation)

The present invention features an apparatus that provides an indication of tensioning strain when it is tensioned with respect to a workpiece, comprising either a bolt, stud or fastener together with an embedded fiber optic Bragg Grating sensor. For example, the bolt has a head at one end, threads a ...


10
Arthur D Hay: Washer having fiber optic Bragg Grating sensors for sensing a shoulder load between components in a drill string. CiDRA Corporation, Ware Fressola Van Der Sluys & Adolphson, October 26, 1999: US05973317 (26 worldwide citation)

The present invention features an apparatus for detecting a shoulder load between two components in a drill string, comprising a pin connection, a box connection and a washer for sensing tensioning strain force therebetween. The pin connection has coupling means, and the box connection has correspon ...