Modular fixed cutter earth-boring bits, modular fixed cutter...

Modular hydraulic mining tool and improved method of...

Modular light weight drilling rig

Modular liner hanger

Modular low-clearance centralizer and method of making...

Modular mobile drilling system and method of use

Modular near-surface completion system

Modular pressure control and drilling waste management...

Modular propellant assembly for fracturing wells

Modular refuge station for mines and the like

Modular retrievable packer

Modular rotary drill head

Modular self-propelled drillling apparatus

Modular subsea oil extraction installation

Modular system for a back reamer

Modular system for deploying subterranean well-related...

Modular thread connection with high fatigue resistance

Modular time delay for actuating wellbore devices and...

Modular top drive

Modular well tool system