Inventor

DESBRANDES ROBERT

US17 patents

⚠️ This page may combine multiple inventors who share the name “DESBRANDES ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DESBRANDES ROBERT

UNIV LOUISIANA STATE

Method for determining formation pressure

Method and apparatus for testing subsurface formations

Formation evaluation from thermal properties

Method for determining the pressure or stress of a geological formation from acoustic measurement

Method using a pluraliyt of electrode, including a reference electrode, for recording a spontaneous potential curve in a borehole while drilling

Method and apparatus for determining the wettability of an earth formation

Method and apparatus for intersecting a blowout well from a relief well

INST FRANCAIS DU PETROLE

Method and device with adjustable focusing for measuring the electric resistivity of geological formations

Driving device for displacing an element in a conduit filled with liquid

Method and device for determining the geometrical outline of the underwater part of icebergs and the draught thereof

Method for determining the dip angle of geological formations traversed by a borehole

Device for measuring the stresses applied in use to the downhole assembly of a drill pipe

Sonde with rotatable pad for carrying out logging measurements in a borehole

GAS RES INST

Apparatus and method for accurately measuring formation pressures

Wireline formation test tool with jet perforator for positively establishing fluidic communication with subsurface formation to be tested

DESBRANDES ROBERT

Method and apparatus for remote communication using the interpretation of thermoluminescence or photoluminescence signals

SAQUANT

Product, method and equipment for remote communication using chromogenic materials