Methods for designing and fabricating earth-boring rotary...
Methods of casing drilling
Methods, systems and apparatus for production of...
Methods, systems, and apparatus for production of...
Mill starting device and method
Millout whipstock apparatus and method
Multi seam coal bed/methane dewatering and depressurizing...
Multi seam coal bed/methane dewatering and depressurizing...
Multiple lateral hydrocarbon recovery system and method
One trip milling system and method
One-step directional coring or drilling system
One-step directional coring or drilling system
One-step directional coring or drilling system
Orientation control mechanism
Orientation tool
Orienter for drilling tool assembly and method
Petroleum, gas or geothermal driling apparatus
Pressure assisted running of tubulars
Process and tool for boring cavity holes, more especially in con
Retrievable pre-milled window with deflector