supported by the National Natural Science Foundation of China(Nos.11204380,11374371,61102102,and11134011);National Science and Technology Major Project(No.2011ZX05020-009);China National Petroleum Corporation(Nos.2014B-4011,2014D-4105,and 2014A-3912);PetroChina Innovation Foundation(No.2014D-5006-0307)
We developed a novel cement evaluation logging tool,named the azimuthally acoustic bond tool(AABT),which uses a phased-arc array transmitter with azimuthal detection capability.We combined numerical simulations and ...
supported by the National Natural Science Foundation of China (Grant Nos.11204380,11374371,61102102,11134011);National Science and Technology Major Project (Grant No.2011ZX05020-009);China National Petroleum Corporation (Grant Nos.2014B-4011,2014D-4105,2014A3912);Petro China Innovation Foundation (2014D-5006-0307);China Scholarship Council (No.201306445018)
Better well logging techniques for geologic investigations are urgently needed to identify and evaluate complex reservoirs.We describe a new type of 3D transmitter station with corresponding circuits and bodies.They c...
partially supported by the National Natural Science Foundation of China(Nos.11204380,11374371,61102102,and 11134011);National Science and Technology Major Project(No.2011ZX05020-009);Petro China Innovation Foundation(No.2013D-5006-0304);Chinese Petroleum Corporation Project(Nos.2011A-3903 and 2011B-4001)
Ultrasonic cement bond logging is a widely used method for evaluating cementing quality. Conventional ultrasonic cement bond logging uses vertical incidence and cannot accurately evaluate lightweight cement bonding. O...