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This study shows the usefulness of borehole geophysical logging of density in the identification of coal seams, in relation to other lithologies present in a coal deposit located in the south of ...

Global energy technology company Schlumberger Limited (SLB) has unveiled an autonomous logging platform, OnWave. The company said in a media release that the platform enables more efficient and ...

The massive growth in digital payments in Brazil has reached yet another milestone. As of the end of 2024, Pix, the country’s government-backed system that enables citizens to exchange funds ...

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Abstract: To effectively deal with the problem of high noise and low signal-to-noise ratio (SNR) in the ultrasonic echo signal caused by mud pairs when the ultrasonic well logging instrument operates ...

Introduction: With the development of complex tight sandstone oil and gas reservoirs, accurately and cost-effectively characterizing these reservoirs have become a critical yet challenging task. To ...

For lithologic oil reservoirs, lithology identification plays a significant guiding role in exploration targeting, reservoir evaluation, well network adjustment and optimization, and the establishment ...

Article subjects are automatically applied from the ACS Subject Taxonomy and describe the scientific concepts and themes of the article. All redox reactions involve two coupled half-reactions: ...

1 School of Earth Science and Engineering, Xi’an Shiyou University, Xi’an, China. 2 Key Laboratory of Petroleum Geology and Reservoir, Xi’an Shiyou University, Xi’an, China. In the course of oil and ...