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Response Mechanism of Multi-frequency Micro-Resistivity Imaging Logging in Oil-Based Drilling Fluid Based on Numerical Simulation
The high resistivity characteristic of oil-based drilling fluid limits the application of micro-resistivity imaging logging in traditional...
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Imaging Logging Blank Strip Filling Based on Generative Network
Imaging logging technology is a method of imaging physical parameters of wellbore walls and surrounding objects by observing relevant parameters in...
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Automatic calculating grain size of gravels based on micro-resistivity image of well
Since the micro-resistivity imaging logging tool cannot achieve 360° full coverage imaging around the well, there will be interval blank zone,...
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A Method for Well Logging Identification and Evaluation of Low-Resistivity Gas Hydrate Layers
The Muli area has dense lithology, high hardness, poor porosity and permeability, and well-developed micro-fractures, which is different from other...
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Multiscale petrophysical modeling and reservoir prediction of intermediate-basic volcanic reservoirs based on logging and seismic combination
Volcanic oil and gas resources are abundant and have been one of the principal focuses of research in the oil and gas industry for a long time. Due...
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Recent Advances in Well Logging Techniques for Exploration of Shale Reservoirs
Well logs play a vital role in the exploration and exploitation of the hydrocarbon. In case of unconventional shale reservoir, exploitation of...
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Method of image restoration of the blank strips of electric imaging logs
The processed data of electric imaging logging can provide important support for the identification of lithology and sedimentary facies of complex...
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Identification of volcanic lithofacies using box-counting method calculating fractal dimension of logging data
Identification of volcanic lithofacies is critical for reservoir exploration and a major difficulty in China's Liaohe oil field. In this paper, we...
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Acoustic Emission Crustal Stress Experiment Based on Borehole Wall Electrical Imaging
Core orientation parameters is calculated by using the electrical imaging data of borehole wall, and the sampling and calculation methods of acoustic...
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Logging evaluation of favorable areas of a low porosity and permeability sandy conglomerate reservoir based on machine learning
The sandy conglomerate reservoir in layer Es 3 of the Liaohe Eastern Depression has good potential for oil reservoir exploration and has been...
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Structural identification of fault zones based on wavelet attributes of logging data
Fault zone refers to the fracture zone in the stratum, which is of great significance to the migration and accumulation of hydrocarbons. Each fault...
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Geological Evaluation and Interpretation from Logs
Logging is an essential process in oil and gas exploration. Downhole logging tools, acquisition software, and processing and interpretation...
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Cyclostratigraphy and paleoenvironmental inference from downhole logging of sediments in tropical Lake Towuti, Indonesia
Lake Towuti is located on central Sulawesi/Indonesia, within the Indo Pacific Warm Pool, a globally important region for atmospheric heat and...
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Toward the Scientific Interpretation of Geophysical Well Logs: Typical Misunderstandings and Countermeasures
Geophysical well log data are widely used in the field of structural geology, sedimentary geology and petroleum geology. Gaps and misunderstandings...
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Building the carbonate pore-type classifier for well logging via the blended training dataset
The exploration of carbonate rocks has outstanding economic benefits, as well as facing the extreme challenge of reservoir characterization. This...
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Dedolomitization establishes flow pathways in Thalassinoides-bearing limestones: a quantitative case study using pore network model and flow simulation
The pore space of rocks acts as a storage for geofluids (oil, gas, water, CO 2 , contaminants, and metal-enriched solutions) and has been the target of...
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Reservoir Characteristics and Main Controlling Factors of Maokou Formation in Central Sichuan Basin
Maokou Formation in central Sichuan has thin reservoir, low porosity and low permeability, strong heterogeneity, and unclear understanding of...
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A High-resolution Imaging and Interpretation Method for Electrical Resistivity Tomography Based on Reflection Coefficient Analysis
Electrical resistivity tomography (ERT) is a widely used method in geophysical prospecting. In practical applications, the smoothness-constrained...
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Fracture identification and its application of ultra-low permeability carbonate reservoir in Fauqi North oilfield, Iraq
Fractures are the main flow channel and storage space of ultra-low permeability carbonate reservoirs. They have a profound impact on the distribution...
