1
Frederick Henry Kreisler Rambow, Dennis Edward Dria, Michelle Yvonne Shuck: Compaction monitoring system. Shell Oil Company, July 17, 2007: US07245791 (32 worldwide citation)

Methods for determining a preferred application of a plurality of transducers or sensors to a structure are disclosed for monitoring and imaging deformation of the structure as it is subjected to various forces.


2
Frederick Henry Kreisler Rambow, Dennis Edward Dria, David Ralph Stewart: Apparatus and method for monitoring compaction. Shell Oil Company, February 15, 2005: US06854327 (23 worldwide citation)

An apparatus and method for continuous, passive detection and measurement of tensile and compressional strain in a structure utilizing a shielded optic fiber, the optic fiber having one or more Bragg gratings thereon, the gratings and shield being disposed in a curved path on the structure and a bas ...


3
Dennis Edward Dria, Frederick Henry Kreisler Rambow, Moye Wicks III: Method for monitoring fluid properties. Shell Oil Company, August 12, 2008: US07409858 (20 worldwide citation)

A method for monitoring fluid properties with a distributed sensor in a wellbore having an inner surface, a top and a bottom comprising causing the distributed sensor to assume a helical shape, pulling the distributed sensor towards the bottom of the wellbore, while retaining the helical shape of th ...


4
Jeremiah Glen Pearce, Frederick Henry Kreisler Rambow, Dennis Edward Dria: Distributed acoustic sensing with fiber Bragg gratings. Shell Oil Company, November 20, 2012: US08315486 (9 worldwide citation)

A method for obtaining information about a subsurface formation from acoustic signals that contain information about to the subsurface formation, comprises: providing a fiber optic having a proximal end and a remote end, with the proximal end being coupled to a light source and a proximal photodetec ...


5
Dennis Edward Dria, Frederick Henry Kreisler Rambow, Michelle Yvonne Shuck: Method of applying a string of interconnected strain sensors to a cylindrical object. Shell Oil Company, March 1, 2011: US07896069 (3 worldwide citation)

A string of interconnected strain sensors applied to a cylindrical object for monitoring deformation of the object. The string of interconnected strain sensors is applied in a selected zig-zag pattern. A possibility is to drape a pliable support structure around the object, to which the the string o ...


6
Dennis Edward Dria, Jeremiah Glen Pearce, Frederick Henry Rambow, David Ralph Stewart: Use of fiber optics to monitor cement quality. Shell Oil Company, July 15, 2014: US08776609

Systems and methods for monitoring a well are configured to identify or analyze various issues affecting the well including corrosion, cement quality, inflow, and fluid migration.


7
Frederick Henry Kreisler Rambow, Dennis Edward Dria, David Ralph Stewart: Apparatus and method for monitoring compaction. Eugene R Montalvo, Shell Oil Company, May 6, 2004: US20040083808-A1

An apparatus and method for continuous, passive detecting and measuring of compressional strains in real time, without physical intervention, which comprises: a) Attaching to the structure to be monitored an assembly comprising an optical fiber having one or more gratings at selected intervals, axia ...


8
Frederick H K Rambow, Mohamed Hashem, Dennis Edward Dria: System and method for measuring compaction and other formation properties through cased wellbores. Shook Hardy & Bacon, September 23, 2004: US20040182147-A1

A system and method are disclosed for efficient and reliable deployment of radioactive markers and remote sensors in earth formations through cased wellbores. The markers and sensors are permanently deployed to obtain data on compaction, pressure and other useful formation properties.


9
Dennis Edward Dria, Frederick Henry Kreisler Rambow, Moye Wicks: Method for monitoring fluid properties. Shell Oil Company, June 7, 2007: US20070125163-A1

A method for monitoring fluid properties with a distributed sensor in a wellbore having an inner surface, a top and a bottom comprising causing the distributed sensor to assume a helical shape, pulling the distributed sensor towards the bottom of the wellbore, while retaining the helical shape of th ...


10
Dennis Edward DRIA, Frederick Henry Kreisler Rambow, Michelle Yvonne Shuck: Method of applying a string of interconnected strain sensors to a cylindrical object. Shell Oil Company, February 28, 2008: US20080047662-A1

A string of interconnected strain sensors applied to a cylindrical object for monitoring deformation of the object. The string of interconnected strain sensors is applied in a selected zig-zag pattern. A possibility is to drape a pliable support structure around the object, to which the the string o ...