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

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

2-Stage underreamer

Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...

2.times.4 drilling and hoisting system

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Ablatible drill

Boring or penetrating the earth – Below-ground impact members

Abnormal torque absorber for drilling

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Abradable cutter protection

Boring or penetrating the earth – Processes

Abrasive and boring method using the same

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

Abrasive containing fluid jet drilling apparatus and process

Boring or penetrating the earth – Bit or bit element – Impact or percussion type

Abrasive cutting element and drill bit

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

Abrasive jet drilling assembly

Boring or penetrating the earth – Bit or bit element – Specific or diverse material

Abrasive wear-resistant hardfacing materials, drill bits and...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Measuring or indicating drilling fluid rate of flow

Acceleration compensating system

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Accelerator for fishing jar with hydrostatic assist

Boring or penetrating the earth – With tool shaft detail

Accessible downhole power assembly

Boring or penetrating the earth – With signaling – indicating – testing or measuring

Acoustic data link and formation property sensor for downhole MW

Boring or penetrating the earth – Natural vibration characteristic of an element of boring...

Acoustic flow pulsing apparatus and method for drill string

Boring or penetrating the earth – With seismic shock generating

Acoustic flow pulsing apparatus and method for drill string

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...

Acoustic logging while drilling tool to determine bed boundaries

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...

Acoustic method of connecting boreholes for multi-lateral comple

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...

Acoustic position measurement system for well bore formation