1
David S Schechter, Dengen Zhou, Franklin M Orr Jr: Method of assisting the recovery of petroleum in vertically fractured formations utilizing carbon dioxide gas to establish gravity drainage. Board of Trustees of the Leland Stanford Junior University, Townsend and Townsend Khourie and Crew, May 24, 1994: US05314017 (9 worldwide citation)

The invention relates to assisting the recovery of petroleum from vertically fractured formations utilizing carbon dioxide gas to lower the interfacial tension between the gas and the petroleum in the vertical fractures and in the formation matrix adjacent the vertical fractures to cause vertical dr ...


2
Suguru T Ide, Franklin M Orr JR, Kyle G Siesser, William B Flint JR: Inert gas injection to help control or extinguish coal fires. January 26, 2012: US20120018151-A1

A method of locating and controlling subsurface coal fires is provided that includes mapping a subsurface coal bed fire using a magnetometer, where the mapping includes locating a combustion zone and an air inlet to the combustion zone of the coal bed fire, drilling an injection port from the earth ...