51
Frank A Angona, Joseph Zemanek Jr: Shear wave acoustic logging system. Mobil Oil Corporation, Alexander J McKillop, Michael G Gilman, George W Hager Jr, March 10, 1987: US04649525 (41 worldwide citation)

Acoustic well logging method and system employing a bender-type transducer as a point source of an acoustic shear wave. The bender-type transducer includes opposed unrestricted planar surfaces mounted within a liquid filled compartment within the tool. The unrestricted surfaces of the transducer are ...


52
Wyatt W Givens, Edgar A Bowden: Multiple frequency electric excitation method and identifying complex lithologies of subsurface formations. Mobil Oil Corporation, Alexander J McKillop, Michael G Gilman, George W Hager Jr, August 11, 1987: US04686477 (40 worldwide citation)

A method of identifying complex lithologies of subsurface rock formations includes the excitation of at least a portion of the rock formation with a multi-frequency electric current. The voltage resulting in the rock is measured and the phase and amplitude of such voltage is determined for each of t ...


53
Lloyd G Jones: Method for fracturing and propping a formation. Mobil Oil Corporation, Alexander J McKillop, George W Hager Jr, May 23, 1995: US05417284 (40 worldwide citation)

A method for fracturing and propping a thick and/or non-homogeneous fracture interval of a subterranean formation which is traversed by a wellbore. A workstring is lowered into the wellbore and a fracturing fluid is flowed into either or both ends of the fracture interval annulus (i.e. that portion ...


54
John Hiebert, Carleton N Rowe, Leslie R Rudnick: Alkylated citric acid adducts as antiwear and friction modifying additives. Mobil Oil Corporation, Alexander J McKillop, George W Hager Jr, Charles A Malone, August 16, 1994: US05338470 (40 worldwide citation)

Alkylated citric acid derivatives obtained as a reaction product of citric acid and an alkyl alcohol or an amine have been found to be effective antiwear and friction modifying additives for fuels and lubricants.


55
Thomas B Dellinger, Wilton Gravley: System of drilling deviated wellbores. Mobil Oil Corporation, A J McKillop, Michael G Gilman, George W Hager Jr, March 25, 1986: US04577701 (40 worldwide citation)

Directional drilling is carried out with a rotary drilling tool having a drill string, a drill bit, a drill motor for rotating the drill bit independently of the drill string, and a bent sub affixed between the lower end of the drill string and the drill motor for angularly displacing the axis of ro ...


56
Stanley J Laster, Robert A Meek, Thomas E Shirley: Method for removing coherent noise from seismic data. Mobil Oil Corporation, Alexander J McKillop, Charles J Speciale, George W Hager Jr, March 2, 1993: US05191526 (39 worldwide citation)

Method for removing coherent noise from a series of seismic traces. Each seismic trace included in the series is Fast Fourier Transformed into the frequency domain. For each frequency of the resultant f-x representation, a series of N complex numbers, one corresponding to each trace, is selected. Th ...


57
Darryl P Hansen, Raj K Mangla, Raul Matos, Dennis Oberdorf, Chris Olenski: Domed container for baked goods or the like. Mobil Oil Corporation, Alexander J McKillop, George W Hager Jr, Michael J Mlotkowski, February 22, 1994: US05287959 (38 worldwide citation)

A domed container. The container includes a receptacle and dome cover therefore having locking means for releasably locking the cover to the receptacle. The receptacle includes a bottom wall having a top surface delimited by an upstanding rib and terminating in an outwardly extending resilient rim. ...


58
Bobbie J Patton, John W Harrell: Automatically controlled desurging system. Mobil Oil Corporation, C A Huggett, George W Hager Jr, May 9, 1978: US04088154 (38 worldwide citation)

A desurging system is placed in the fluid flow line near the output of a fluid pump to remove pressure fluctuations created in the flowing fluid by action of the fluid pump. The fluid passes through a gas-loaded, diaphragm type, fluid desurger. A gas volume control unit automatically controls the ga ...


59
Ricky C Ng: Low temperature epoxy system for through tubing squeeze in profile modification, remedial cementing, and casing repair. Mobil Oil Corporation, Alexander J McKillop, George W Hager Jr, Charles A Malone, January 3, 1995: US05377757 (37 worldwide citation)

A method for zone isolation, profile modification, remedial cementing, or replacing a damaged or corroded casing with a solid plastic is described. A solidifiable epoxy resin mixture, containing a critical amount of a hardener and curing agent for improved pumpability, is placed into a wellbore so a ...


60
William H Ruehle: Seismic exploration for dipping formations. Mobil Oil Corporation, C A Huggett, George W Hager Jr, March 27, 1979: US04146870 (37 worldwide citation)

In seismic exploration, reflected seismic energy is detected by hydrophones to produce seismograms to emphasize a dipping formation which is of interest. The seismograms are produced by directing seismic energy from an array of sources at an angle such that it will reflect vertically from the dippin ...