LandOfFree - US Patents - Listing for Boring or penetrating the earth,Processes

Deformable blades for downhole applications in a wellbore

Boring or penetrating the earth – Processes – Chemical reaction with earth formation or drilling fluid...

Delayed phase changing agent for invert emulsion drilling fluid

Design of wear compensated roller cone drill bits

Detachable torque transmitting tool joint

Boring or penetrating the earth – Processes – Boring with specific fluid

Determining gradients using a multi-probed formation tester

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Development well drilling

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Deviated drilling method for water production

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Device and method for controlling the trajectory of a wellbore

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Device and method for creating bore-hole branches

Boring or penetrating the earth – Processes – Boring with specific fluid

Device and method for extracting a gas hydrate

Device and method of lining a wellbore

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Device, system and method for drilling and completing a lateral

Diamond back-up for PDC cutters

Direct push drilling swivel and method for its use

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Directional borehole drilling system and method

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Directional borehole drilling system and method

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Directional borehole drilling system and method

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Directional boring

Boring or penetrating the earth – Processes – Boring horizontal bores

Directional boring head