Schlumberger Technology Corporation

Andrew Whitmore

Edward Richards

Ian Robert Farmer

Maja Ignova

Darren Lee Aklestad

Stuart Alan Kolbe

Makito Katayama

Abdiwahid Alasow

George Emlyn Jones

Morven Collie

Avirup Bhattacharyya

Darwin Amaya

Sarah Louise Rawlinson

A method for dynamically constructing a well includes receiving inputs that specify characteristics of a proposed well. An indicator is generated for construction of the proposed well using the inputs and a machine learning model trained using data from actual wells, and the indicator is transmitted.

Dynamic well construction model

A tool health manager may receive surface contextual data of the downhole drilling system. A tool health manager may receive downhole contextual data of the downhole drilling system, the downhole contextual data including downhole operating data for a downhole tool. A tool health manager may synchronize the downhole contextual data with the surface contextual data to generate synchronized data. A tool health manager may prepare a historical comparison between historical data and the synchronized data. A tool health manager may, based on the historical comparison, generate a tool health status of the downhole tool.

Equipment health monitor

A method for drilling a subterranean wellbore includes rotating a bottom hole assembly (BHA) in the subterranean wellbore to drill, in which the BHA includes a drill collar, a drill bit, a roll-stabilized housing deployed in the drill collar and configured to rotate with respect to the drill collar, and triaxial accelerometer and triaxial magnetometer sets deployed in the roll-stabilized housing. Triaxial accelerometer and triaxial magnetometer measurements and a drill collar rotation rate measurement are made while the BHA rotates. A wellbore inclination and a gravity tool face of the roll-stabilized housing are computed from the triaxial accelerometer measurements. The computed inclination and gravity toolface, the triaxial magnetometer measurements, and the measured rotation rate of the drill collar are processed to compute an azimuth of the subterranean wellbore in which influences of eddy currents and magnetometer biases are accounted.

Magnetometer bias and eddy current compensation for dynamic surveying preliminary

A method for drilling a subterranean wellbore includes rotating a drill string in the wellbore to drill. The drill string includes a roll-stabilized housing deployed in a drill collar and survey sensors deployed in the roll-stabilized housing. Sensor measurements are acquired while the drill string is rotating. High bandwidth accelerometer measurements may be obtained by combining triaxial accelerometer measurements and gyroscopic sensor measurements. Survey parameters, including a wellbore azimuth, may be computed from the high bandwidth accelerometer measurements. Triaxial magnetometer measurements may be processed to compute an eddy current induced wellbore azimuth error which may be removed from a previously computed wellbore azimuth to obtain a corrected wellbore azimuth.

Real time surveying while drilling in a roll-stabilized housing

Growing community of inventors

Stonehouse, United Kingdom

Andrew Whitmore