1
Richard N Johnson, Marvin J Schneider: Data base update scheme. The United States of America represented by the Secretary of the Army, Nathan Edelberg, Robert P Gibson, Saul Elbaum, October 17, 1978: US04121196 (22 worldwide citation)

A method and apparatus for modifying data which is stored in a medium of hival quality. The original data is left unmodified, and a modification document is prepared which has addition and deletion data thereon. The original and modified data is combined in a given way to generate a correctly modifi ...


2
Charles H Ware, Myron I Kuhlman, Marvin J Schneider, Norman W Hein Jr, Anthony Gus Castrogiovanni, Allen R Harrison: Apparatus and methods for recovery of hydrocarbons. World Energy Systems Incorporated, Patterson & Sheridan L, May 27, 2014: US08733437 (5 worldwide citation)

Embodiments of the invention described herein relate to methods and apparatus for recovery of viscous hydrocarbons from subterranean reservoirs. In one embodiment, a method for recovery of hydrocarbons from a subterranean reservoir is provided. The method includes drilling an injector well to be in ...


3
David J Buscher, Marvin J Schneider: Binary integrator for fixed cell radar alarm data. The United States of America represented by the Secretary of the Army, Nathan Edelberg, Robert P Gibson, Saul Elbaum, May 27, 1980: US04205382 (1 worldwide citation)

A method for performing binary integration of fixed cell radar alarm data. n order to determine whether M cell alarms have occurred in the last N processing intervals a memory is provided which is N bits wide by K words long, where K is the number of cells. Binary 1's are placed in memory positions ...


4
Anthony Gus Castrogiovanni, Allen R Harrison, Norman W Hein Jr, Marvin J Schneider: System and methods for steam generation and recovery of hydrocarbons. World Energy Systems Incorporated, Patterson & Sheridan L, August 8, 2017: US09725999

A system for recovering hydrocarbons comprises a downhole steam generator for coupling with a packer in an injector well, an umbilical device coupled to the downhole steam generator for lifting or lowering the downhole steam generator in the injector well, a first shear point disposed between the do ...


5
Anthony Gus Castrogiovanni, Marvin J Schneider, Allen R Harrison, Norman W Hein Jr: Apparatus and methods for recovery of hydrocarbons. WORLD ENERGY SYSTEMS INCORPORATED, Patterson & Sheridan L, January 10, 2017: US09540916

Embodiments of the invention described herein relate to methods and apparatus for recovery of viscous hydrocarbons from subterranean reservoirs. In one embodiment, a completion string for an enhanced oil recovery system is provided. The completion string includes an umbilical device having a plurali ...


6
Marvin J Schneider, Blair A Folsom, James C Wright, Anthony Gus Castrogiovanni, Andrew Henry Kasper: Downhole steam generator control system. WORLD ENERGY SYSTEMS INCORPORATED, Patterson & Sheridan L, January 31, 2017: US09556708

A control system for controlling the operation of a Downhole Steam Generator (DHSG) system includes a cascade control strategy for control of individual final control elements in communication with a local well master controller. The final control elements may control fuel, oxidant, feedwater, and/o ...


7
Marvin J Schneider: Method and system for controlling wellbore production temperature. WORLD ENERGY SYSTEMS INCORPORATED, Patterson & Sheridan L, November 24, 2015: US09194214

A method and system of controlling the temperature of fluids produced from a reservoir to prevent overheating of an adjacent geological formation. A cooling fluid is supplied through an annulus formed between a production tubing and a production casing, which are in fluid communication with the rese ...