Schlumberger Technology Corporation

Nycomed Gmbh

Nicholas Heaton

Martin D Hurlimann

Shin Utsuzawa

Huseyin Murat Panayirci

Andrew David Robinson

Zoe Heaton

Timothy McAlinden

Albina Rishatovna Mutina

Methods and systems are disclosed that use a temperature sensor integral to a drill bit during drilling. The temperature sensor is configured to measure temperature associated with a cutting element of the drill bit over time during drilling. The temperature sensor is used to generate temperature data representing temperature of the cutting element of the drill bit over time during drilling. The temperature data is processed to determine and monitor at least one condition of the wellbore and/or the drill bit during drilling, such as i) detection of faults or openings or cracks or other geological rock features of the wellbore being drilled, ii) estimation of one or more drilling parameters of the drill bit (such as rate of penetration (ROP), iii) detection of lost cutting element(s), iv) detection of bit balling, and v) detection of drilling efficiency.

Temperature measurement at one or more cutting elements of a drill bit

A method for detecting net relative motion between a nuclear magnetic resonance (NMR) tool and a specimen includes disposing the NMR tool and the specimen in sensory range of one another, causing the NMR tool to make NMR measurements of the specimen, and processing the NMR measurements to detect net relative motion between the NMR tool and the specimen.

Motion detection while drilling

Growing community of inventors

Cambridge, United Kingdom

Nicholas Heaton