Continuous electric logging while drilling
United States Patent 2557168
US Patent References:
Method and apparatus for logging drill holes
2425868
Electrical prospecting method and apparatus
2398800
Electrical prospecting method and apparatus
2167630
Electrical energy measuring circuit
2144215
Method and apparatus for logging drill holes
2425868
Electrical prospecting method and apparatus
2398800
Electrical prospecting method and apparatus
2167630
Electrical energy measuring circuit
2144215
Inventors:
Arps, Jan J.
Ward, Orbie W.
Ward, Orbie W.
Publication Date:
06/19/1951
Export Citation:
Assignee:
Arps, Jan J.
Ward, Orbie W.
Ward, Orbie W.
Primary Class:
Other Classes:
361/203, 340/870.010
International Classes:
E21B47/12; E21B49/00; G01V3/22; G01V3/18
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