Inventor

CLARK BRIAN

US143 patents

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

CLARK BRIAN

SCHLUMBERGER TECHNOLOGY CORP

Measurement while drilling electromagnetic telemetry system using a fixed downhole receiver

Method and apparatus for directional well logging with a shield having sloped slots

Well logging apparatus for investigating earth formations

Logging while drilling apparatus with blade mounted electrode for determining resistivity of surrounding formation

Well logging apparatus having toroidal induction antenna for measuring, while drilling, resistivity of earth formations

Dipmeter apparatus and method using transducer array having longitudinally spaced transducers

Shields for antennas of borehole logging devices

Wellbore telemetry and noise cancellation systems and method for the same

Magnetic ranging while drilling parallel wells

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

Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole

Shielding method and apparatus for selective attenuation of an electromagnetic energy field component

Method and apparatus for communication with a downhole tool

Well logging apparatus having a cylindrical housing with antennas formed in recesses and covered with a waterproof rubber layer

Well logging apparatus and method for determining formation resistivity at a shallow and a deep depth

Bidirectional drill string telemetry for measuring and drilling control

Method and apparatus for locating well casings from an adjacent wellbore

Well logging apparatus and method using two spaced apart transmitters with two receivers located between the transmitters

Method and apparatus for performing diagnostics in a wellbore operation

System and method for making an opening in a subsurface tubular for reservoir monitoring

Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole

Borehole current correction methods and apparatus

System and method for monitoring a reservoir and placing a borehole using a modified tubular

Coil shielding method for selective attenuation of an electromagnetic energy field component

Shielding apparatus for selective attenuation of an electromagnetic energy field component

Well logging apparatus and method with borehole compensation including multiple transmitting antennas asymmetrically disposed about a pair of receiving antennas

Electromagnetic logging apparatus using vertical magnetic dipole slot antennas

Well logging apparatus and method using transverse magnetic mode

Method and apparatus of reservoir stimulation while running casing

Downhole tubular with openings for signal passage

Inductively-coupled system for receiving a run-in tool

Induction well logging apparatus with transformer coupled phase sensitive detector

Well logging apparatus for determining dip, azimuth, and invaded zone conductivity

Method and apparatus for optimizing magnetic signals and detecting casing and resistivity

Wireless electromagnetic telemetry system and method for bottomhole assembly

Replaceable antennas for wellbore apparatus

Method for measuring a formation parameter while inserting a casing into a wellbore

Retrievable subsurface nuclear logging system

Electromagnetic induction well logging instrument having azimuthally sensitive response

CLARK BRIAN

Directional audio capture adaptation based on alternative sensory input

Wireless transfer of power and data between a mother wellbore and a lateral wellbore

System and method for controlling steering in a rotary steerable system

Magnetic ranging while drilling using an electric dipole source and a magnetic field sensor

Dual wellbore telemetry system and method

Wellbore telemetry and noise cancellation systems and methods for the same

KNOWLES ELECTRONICS LLC

Passive training for automatic speech recognition

GENZYME CORP

Small tissue and membrane fixation apparatus and methods for use thereof

APPLIED IMMUNESCIENCES

Activated and conjugated polystyrene substrate

INTELLISERV LLC

Method and conduit for transmitting signals

RAYCHEM CORP

Environmental sealing of a substrate