1
George Albert Brown: Method and apparatus for determining flow rates. Sensor Highway, Wayne I Kanak, Jeffrey E Griffin, Brigitte J Echols, July 19, 2005: US06920395 (66 worldwide citation)

A fiber optic sensor system provides sufficient thermal information to determine the mass flow rates of produced fluids within a well bore, using an optical fiber placed within or adjacent to the well bore without interference with production or prejudicing the integrity of the well. Mass flow rates ...


2
Paulo S Tubel, Glynn Williams, Michael H Johnson, John W Harrell, Jeffrey J Lembcke, Kurt A Hickey, Nigel Leggett: Wellbores utilizing fiber optic-based sensors and operating devices. Sensor Highway, Trop Pruner & Hu P C, March 11, 2003: US06531694 (51 worldwide citation)

This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for surface treatments are measured in ...


3
George Albert Brown: Method and apparatus for determining flow rates. Sensor Highway, Robert W J Usher, September 9, 2003: US06618677 (46 worldwide citation)

A fiber optic sensor system provides sufficient thermal information to determine the mass flow rates of produced fluids within a well bore, using an optical fiber placed within or adjacent to the well bore without interference with production or prejudicing the integrity of the well. Mass flow rates ...


4
David Randolph Smith: System and technique to improve a well stimulation process. Sensor Highway, Wayne I Kanak, Jaime A Castano, Jeffrey E Griffin, July 6, 2004: US06758271 (43 worldwide citation)

A technique that is usable with a subterranean well includes introducing a fluid into the well in connection with a fluid efficiency test. The technique also includes measuring a temperature versus depth distribution along a section of the well in response to the introduction of the fluid.


5
Paulo S Tubel, Glynn Williams, Kurt A Hickey, Nigel Leggett: Providing a light cell in a wellbore. Sensor Highway, Dan C Hu, Wayne I Kanak, Jaime A Castaño, December 20, 2005: US06977367 (42 worldwide citation)

This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for surface treatments are measured in ...


6
Robert J Schroeder, Jeffrey Tarvin, Rogerio T Ramos, George A Brown: Technique and system for measuring a characteristic in a subterranean well. Sensor Highway, Wayne I Kanak, Jaime A Casta overscore, Jeffrey E Griffin, June 15, 2004: US06751556 (38 worldwide citation)

A technique usable with a subterranean well includes deploying a first optical sensor downhole in the subterranean well. The technique includes observing an intensity of backscattered light from the first optical sensor to measure a distribution of a characteristic along a portion of the well. The t ...


7
Paulo S Tubel, Glynn Williams, Michael H Johnson, John W Harrell, Jeffrey J Lembcke, Kurt A Hickey, Nigel Leggett: Wellbores utilizing fiber optic-based sensors and operating devices. Sensor Highway, Wayne I Kanak, Jeffrey E Griffin, Brigitte J Echols, December 7, 2004: US06828547 (34 worldwide citation)

This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for surface treatments are measured in ...


8
David Randolph Smith: Method and apparatus to monitor, control and log subsea oil and gas wells. Sensor Highway, Wayne I Kanak, Jaime A Castaño, July 5, 2005: US06913083 (29 worldwide citation)

A method and apparatus for logging, controlling, or monitoring a subsea well or group of wells through a path not within production tubing. Preferred embodiments allow logging tools, wire rope, optic fibers, electrical cables, monitoring and measuring instruments and other items known to those skill ...


9
Glynn R Williams, Kevin J Forbes, Arthur H Hartog, Christian Koeniger, George A Brown: Use of fiber optics in deviated flows. Sensor Highway, Jaime A Castaño, Wayne I Kanak, February 14, 2006: US06997256 (29 worldwide citation)

A system to determine the mixture of fluids in the deviated section of a wellbore comprising at least one distributed temperature sensor adapted to measure the temperature profile along at least two levels of a vertical axis of the deviated section. Each distributed temperature sensor can be a fiber ...


10
Gary O Harkins, Christian Koeniger: Method and apparatus for determining the temperature of subterranean wells using fiber optic cable. Sensor Highway, David B Dickinson, H Lee Huddleston Jr, Lundeen & Dickinson L, May 6, 2003: US06557630 (29 worldwide citation)

Methods and apparatuses to determine the temperature profile of a wellbore using a fiber optic cable and an anchor are disclosed. Furthermore, a pressurized wellhead spool that couples to a standard Christmas tree structure on a well head to facilitate the injection of fiber optic cable into an oil ...