Quantitative characterization of organic and inorganic pores in shale based on FIB-SEM
Frontiers in Earth Science, 2022 The pore structures of shale in the Shahejie formation of Dongying depression were quantitatively characterized by FIB-SEM three-dimensional imaging technology.
Jianpeng Zhao +5 more
doaj +1 more source
Analysis of Effects of Drill Collars on the Voltage of Electromagnetic Wave Logging While Drilling
Cejing jishu, 2023 The transmitter and receiver coils wrapped around drill collars of the electromagnetic wave logging while drilling tool. By using a cylindrical layered medium model, the characteristics of coil voltage changing with borehole mud and formation parameters ...
GUO Tongzheng
doaj +1 more source
Reconciling timber extraction with biodiversity conservation in tropical forests using reduced-impact logging [PDF]
, 2015 Over 20% of the world's tropical forests have been selectively logged, and large expanses are allocated for future timber extraction. Reduced-impact logging (RIL) is being promoted as best practice forestry that increases sustainability and lowers CO2 ...
Azevedo-Ramos +49 more
core +2 more sources
A new method for calculating gas saturation of low-resistivity shale gas reservoirs
Natural Gas Industry B, 2017 The Jiaoshiba shale gas field is located in the Fuling area of the Sichuan Basin, with the Upper Ordovician WufengâLower Silurian Longmaxi Fm as the pay zone.
Jinyan Zhang +4 more
doaj +1 more source
Using keystroke logging to understand writers’ processes on a reading-into-writing test [PDF]
, 2017 Background Integrated reading-into-writing tasks are increasingly used in large-scale language proficiency tests. Such tasks are said to possess higher authenticity as they reflect real-life writing conditions better than independent, writing-only tasks.
A Cumming +38 more
core +2 more sources
Identification of electrofacies on the basis of well logging to determine sedimentation environment of horizon JK[2] in Em-Egovskoe field (Western Siberia) [PDF]
, 2015 Well logging results are one of the ways to study the buried terrigenous rocks genesis. To ensure the most objective characterization of the rock and identification of electrofacies it is necessary to use a complex geological and geophysical survey.
Belozerov, Vladimir Borisovich +2 more
core +2 more sources
Development of one dimensional geomechanical model for a tight gas reservoir
Scientific Reports, 2021 Estimating rock-mechanical, petrophysical properties and pre-production stress state is essential for effective reservoir planning, development, and optimal exploitation.
Abhiram Kumar Verma +6 more
doaj +1 more source
Water spectrum method of NMR logging for identifying fluids
Petroleum Exploration and Development, 2016 A new fluid identification method by constructing water spectrum based on NMR logging was put forward after the limitations of existing nuclear magnetic resonance (NMR) fluid identification methods were analyzed. At present, differential spectrum method (
Falong HU +5 more
doaj +1 more source
A new physical simulation system of drilling mud invasion in formation module
Petroleum Exploration and Development, 2017 After several key technologies, including the saturation and pressurization of large sample, design of invasion room, sealing and pressure maintaining of the apparatus, and dynamic monitoring of the entire invasion process were solved, a multifunctional ...
Yiren FAN +4 more
doaj +1 more source
Fracture permeability estimation utilizing conventional well logs and flow zone indicator
Petroleum Research, 2022 Characteristics of the natural open fractures on the oil and gas reservoirs is crucial in drilling and production planning. Direct methods of fractures studies such as core analysis and image log interpretation are usually not performed in all drilled ...
Hassan Bagheri, Reza Falahat
doaj +1 more source