Method for inhibiting the initiation and propagation of formatio

Method for inhibiting the initiation and propagation of formatio

Method for inhibiting the wear in a well casing

Method for making a well for removing fluid from a desired...

Method for minimizing mud solids invasion of core samples obtain

Method for obtaining cores from a producing well

Method for obtaining pressurized core samples from underpressuri

Method for operating rotary drilling under conditions of high cu

Method for preserving core sample integrity

Method for preserving core sample integrity

Method for preventing fluid loss during drilling

Method for processing solid material for disposal in an undergro

Method for producing earth boreholes

Method for protecting a pipe casing from a drill pipe string

Method for prudent penetration of a casing through sensible over

Method for raising and lowering a drill string in a wellbore dur

Method for reducing contaminant emissions in gas drilling operat

Method for reducing drilling torque in the drilling of a deviate

Method for reducing friction in drilling operations

Method for reducing occurrences of stuck drill pipe