Inventor
LULING MARTIN
FR14 patents
⚠️ This page may combine multiple inventors who share the name “LULING MARTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
11 patentsUS5359324AOct 25, 1994
Well logging apparatus for investigating earth formations
SCHLUMBERGER TECHNOLOGY CORP124 citations99
US5339036AAug 16, 1994
Logging while drilling apparatus with blade mounted electrode for determining resistivity of surrounding formation
SCHLUMBERGER TECHNOLOGY CORP171 citations99
US5235285AAug 10, 1993
Well logging apparatus having toroidal induction antenna for measuring, while drilling, resistivity of earth formations
SCHLUMBERGER TECHNOLOGY CORP293 citations99
US5200705AApr 6, 1993
Dipmeter apparatus and method using transducer array having longitudinally spaced transducers
SCHLUMBERGER TECHNOLOGY CORP182 citations99
US4949045AAug 14, 1990
Well logging apparatus having a cylindrical housing with antennas formed in recesses and covered with a waterproof rubber layer
SCHLUMBERGER TECHNOLOGY CORP155 citations98
US4899112AFeb 6, 1990
Well logging apparatus and method for determining formation resistivity at a shallow and a deep depth
SCHLUMBERGER TECHNOLOGY CORP257 citations98
US4968940ANov 6, 1990
Well logging apparatus and method using two spaced apart transmitters with two receivers located between the transmitters
SCHLUMBERGER TECHNOLOGY CORP128 citations97
US5241273AAug 31, 1993
Method for controlling directional drilling in response to horns detected by electromagnetic energy propagation resistivity measurements
SCHLUMBERGER TECHNOLOGY CORP75 citations95
US5585790ADec 17, 1996
Method and apparatus for determining alignment of borehole tools
SCHLUMBERGER TECHNOLOGY CORP40 citations92
US7409774B2Aug 12, 2008
Borehole tool
SCHLUMBERGER TECHNOLOGY CORP7 citations73
US7767958B2Aug 3, 2010
Nanograss gamma detector
SCHLUMBERGER TECHNOLOGY CORP3 citations62