Methods and apparatus for borehole measurement of formation stre

Methods and apparatus for decreasing a density of a downhole...

Methods and apparatus for detecting torsional vibration in a...

Methods and apparatus for determining characteristics of subsurf

Methods and apparatus for determining flow characteristics of a

Methods and apparatus for determining the stuck point of a condu

Methods and apparatus for making chemical concentration measurem

Methods and apparatus for measuring formation properties

Methods and apparatus for measuring the erodability of drilling

Methods and apparatus for measuring the rate of penetration in w

Methods and apparatus for oil composition determination

Methods and apparatus for optically measuring fluid...

Methods and apparatus for rapidly measuring pressure in...

Methods and apparatus of downhole fluid analysis

Methods and apparatus to control a formation testing...

Methods and apparatus to determine the compressibility of a...

Methods and compositions for removing residues and...

Methods and steam samplers with inertial latch

Methods for analysis of drillstring vibration using torsionally

Methods for determining in situ shale strengths, elastic propert