Inventor
FISCHER PAUL W
22 patents
Patents
22 patentsUS4192753AMar 11, 1980
Well completion and workover fluid having low fluid loss
UNION OIL CO99 citations96
US4088583AMay 9, 1978
Composition and method for drilling high temperature reservoirs
UNION OIL CO63 citations94
US4032460AJun 28, 1977
Inhibition of scale deposition in high temperature wells
UNION OIL CO93 citations94
US4201678AMay 6, 1980
Foam drilling and workover in high temperature wells
UNION OIL CO45 citations92
US3989632ANov 2, 1976
Method of conducting drilling operations
UNION OIL CO44 citations92
US3979305ASep 7, 1976
Low fluid loss additive composition
UNION OIL CO49 citations92
US3979304ASep 7, 1976
Method for drilling and treating subterranean formations using a low fluid loss agent
UNION OIL CO43 citations92
US4039459AAug 2, 1977
Composition and method for drilling a reservoir containing a high temperature aqueous liquid
UNION OIL CO42 citations91
US3954629AMay 4, 1976
Polymeric diverting agent
UNION OIL CO36 citations90
US4121674AOct 24, 1978
Method for foam drilling using a biodegradable foaming agent
UNION OIL CO21 citations82
US4120369AOct 17, 1978
Method for drilling a well through unconsolidated dolomite formations
UNION OIL CO21 citations82
US4088190AMay 9, 1978
Carbon dioxide foam flooding
UNION OIL CO24 citations82
US4036764AJul 19, 1977
Method of foam drilling using a sulfoacetate foaming agent
UNION OIL CO22 citations82
US4045360AAug 30, 1977
Inhibiting wax deposition from a wax-containing oil
UNION OIL CO28 citations80
US4005753AFeb 1, 1977
Method of treating a subterranean formation with a polymeric diverting agent
UNION OIL CO22 citations80
US3958635AMay 25, 1976
Method of inhibiting scale for high temperature steam wells
UNION OIL CO23 citations80
US4013568AMar 22, 1977
Composition and method for drilling formations containing geothermal fluid
UNION OIL CO23 citations79
US3995705ADec 7, 1976
Method of foam drilling using a di-substituted taurate foaming agent
UNION OIL CO20 citations78
US4121664AOct 24, 1978
Biodegradable foaming agent in drilling and workover operations
UNION OIL CO8 citations73
US4092252AMay 30, 1978
Controlling corrosion in gas-containing aqueous drilling fluid
UNION OIL CO15 citations73
US4390412AJun 28, 1983
Process and compositions for reducing fouling of heat exchange surfaces
UNION OIL CO6 citations72
US4319063AMar 9, 1982
Process and compositions for reducing fouling of heat exchange surfaces
UNION OIL CO7 citations72