LandOfFree - US Patents - Listing for Boring or penetrating the earth,With signaling, indicating, testing or measuring

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

Leadless sub assembly for downhole detection system

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation

Lengthening drill string containing an instrument

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

Linear position sensor for downhole tools and method of use

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

Linear position sensor for downhole tools and method of use

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

Locating device for percussion boring machines

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

Locating devices for soil displacement hammers

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

Locating the relative trajectory of a relief well drilled to kil

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

Lockable motor drive

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Signaling or indicating condition of cutting in cuttings...

Locking means for facilitating measurements while coring

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation

Logging-while-coring method and apparatus

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation

Logging-while-coring method and apparatus

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

Logging-while-drilling apparatus

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation

Logging-while-drilling apparatus and methods for measuring...

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

Long reach rotary drilling assembly