Method for removing debris from a drillhole

Method for removing earth cuttings from holes being formed by a

Method for stabilizing boreholes

Method for the circulation of gas when drilling or working a...

Method for the removal and recovery of the oil component...

Method for the removal and recovery of the oily component...

Method for varying the density of drilling fluids in deep...

Method of an apparatus for jet cutting

Method of binding dust

Method of binding dust created when drilling rock with a drillin

Method of changing well fluid

Method of collecting dust during rock drilling and a dust collec

Method of completing a well with sand screens

Method of controlling lost circulation in well drilling

Method of drilling a borehole

Method of drilling a borehole

Method of drilling a borehole into an earth formation

Method of drilling a borehole using gelled polymers

Method of drilling sub-sea oil and gas production wells

Method of Drilling utilizing bees wings