Inventor

FREY MARK T

US24 patents

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

FREY MARK T

SCHLUMBERGER TECHNOLOGY CORP

Method and apparatus for downhole signal communication and measurement through a metal tubular

Resistivity logging tool and method for building the resistivity logging tool

Method and apparatus for controlling the effect of contact impedance on a galvanic tool in a logging-while-drilling application

Logging while tripping with a modified tubular

Downhole tubular with openings for signal passage

Inductively-coupled system for receiving a run-in tool

Retrievable formation resistivity tool

Modified tubular equipped with a tilted or transverse magnetic dipole for downhole logging

Subsurface monitoring and borehole placement using a modified tubular equipped with tilted or transverse magnetic dipoles

Flexible circuit for downhole antenna

System and methods for obtaining compensated electromagnetic measurements

Gain compensated symmetrized and anti-symmetrized angles

Methods for sealing openings in tubulars

Compensated azimuthally invariant electromagnetic logging measurements

Real and imaginary components of electromagnetic logging measurements

Measuring current from an electrode using a non-linear element

System and method for calibration of well logging tools

Methods and systems to analyze bed boundary detection

Method for estimating formation dip azimuth and eccentering azimuth

Compensated deep measurements using a tilted antenna

FREY MARK T

Systems and methods for detecting phases in multiphase borehole fluids

Combinations of axial and saddle coils to create the equivalent of tilted coils for directional resistivity measurements

FREDETTE MARK A

Combined propagation and lateral resistivity downhole tool

HOMAN DEAN M

Formation properties from conductivity tensor