4. Boring or penetrating the earth
  5. With signaling, indicating, testing or measuring
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Early evaluation by fall-off testing

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Early evaluation system with drilling capability

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Earth formation surveying device

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Providing identifiable indication of core position in situ...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Earth penetrating apparatus and method employing radar...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Earth penetrating apparatus and method employing radar...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electrical imaging in conductive and non-conductive mud

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electromagnetic gap sub assembly

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electromagnetically determining the relative location of a...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electronic depth indicator for hydraulic drilling machines

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electronic roll indexing compensation in a drilling system...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Enhancement of drill bit seismics through selection of...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Establishing positions of locating field detectors and path...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Establishing positions of locating field detectors and path...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Establishing positions of locating field detectors and path...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Establishing positions of locating field detectors and path...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Establishing positions of locating field detectors and path...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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