Open Access
Improved Formation Evaluation with Inversion Techniques using Logging While Drilling Azimuthal Deep Resistivity Sensor – A Case Study
Abdullah Al-Ameri,Indrajit Bandyopadhyay,Asma Hassan Balbaheeth,Michael S. Bittar,Ahmet Aki,Ramy Essam +5 more
- 18 Jul 2015
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About: The article was published on 18 Jul 2015. and is currently open access. The article focuses on the topics: Logging while drilling & Formation evaluation.
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Citations
Joint petrophysical inversion of multifrequency conductivity and permittivity logs derived from subsurface galvanic, induction, propagation, and dielectric dispersion measurements
Yifu Han,Siddharth Misra +1 more
TL;DR: Borehole-based subsurface electromagnetic measurements, namely, galvanic resistivity (laterolog), induction, propagation, and dielectric dispersion logs, are commonly used for water-sa...
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Research on a Measurement Method for Downhole Drill String Eccentricity Based on a Multi-Sensor Layout.
Hongqiang Li,Ruihe Wang +1 more
TL;DR: In this article, the authors proposed a method for measuring eccentricity while drilling using two sets of caliper sensors coupled with a fiber-optic gyroscope for continuous attitude measurement, which is used to solve the problem of the quantitative measurement of complex eccentricity that changes in real-time downhole.
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