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Design and Application of High-Performance Logging Numerical Simulation Platform LogSIP2.0
In order to increase the innovation of basic theoretical methods of logging, the optimization design of logging instrument parameters, and the...
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Heat flux estimation from borehole temperatures acquired during logging while trip**: a case study with the sea floor drill rig MARUM-MeBo
During trip out of the drill string at the end of a drilling operation (logging while trip**) borehole temperatures can be measured without the...
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Machine learning based approach for the interpretation of engineering geophysical sounding logs
In this paper, a set of machine learning (ML) tools is applied to estimate the water saturation of shallow unconsolidated sediments at the Bátaapáti...
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Field evaluation of 1.75 groundwater profiler and field screening device for on-site contamination profiling of chromium(VI) in groundwater
Groundwater contamination by toxic heavy metals pose serious health hazards to humans and the environment. The remediation of contaminated...
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Evaluation and application of the optical image profiler (OIP) a direct push probe for photo-logging UV-induced fluorescence of petroleum hydrocarbons
The presence of free phase petroleum fuels in the subsurface (often called light nonaqueous phase liquids/LNAPL) is a hazard in almost every town and...
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Investigation on the development characteristics and reactivation mechanism of the Zhama ancient landslide in Batang County, Eastern Tibetan Plateau, China
This study examines the Zhama ancient landslide, one of several large-scale ancient landslides with complex formation mechanisms and significant...
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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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Non-Rotational Drilling and Sampling in Frozen Soils
Non-rotational drilling technology includes methods that advance a drill string by pushing, hammering, or vibrating without rotating the drill...
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Review of Evaluation Methods for Cement-Formation Interfacial Bonding Strength
Cement-formation interface integrity is an important factor affecting the cementing quality of oil and gas wells, which determines the zonal...
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The Distribution Patterns of Gold-Bearing Veinlets in Stockworks in the Central Part of the Drazhnoe Deposit (Eastern Yakutia)
Abstract —The results of geological structural analysis and the identification of distribution patterns, spatial orientation, and age relationships of...
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Permeability prediction in the South Georgia rift basin–applications to CO2 storage and regional tectonics
Absence of a permeability log necessary to assess reservoir quality and injectivity for potential CO 2 storage in the heterogeneous and complex South...
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Climate-related migration and the climate-security-migration nexus in the Central American Dry Corridor
The Central American Dry Corridor (CADC) is among the most climate-vulnerable regions worldwide. Climate change, commonly referred to as a “threat...
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Series Expansion-Based Genetic Inversion of Wireline Logging Data
An evolutionary approach is applied to solve the nonlinear well logging inverse problem. In the framework of the proposed interval inversion method,...
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Investigation of present-day in situ stresses in a shale gas reservoir of Sichuan Basin, China: field measurement, stress field modeling, and engineering implications
In the Changning shale gas development blocks of the Sichuan Basin, casing deformation and uneven gas production rates between wells seriously...
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Geophysical Methods for Determining the Reservoir Properties of Structurally Complex Lower–Middle Jurassic Reservoirs within Hydrocarbon Fields in the Latitudinal Ob Region
AbstractThe use of geophysical well logging for interpreting structurally complex oil-saturated intervals of the Lower and Middle Jurassic horizons...
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Changing Population Dynamics, Losses and Adaptation to Recurring Floods in Bongaigaon
The human population and environment are intrinsically related. Recent changes in the environment are visible both at the regional and global levels;...
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Implementation of a novel eccentric dog leg reamer in oil well drilling
A high-quality wellbore is generally considered to have a gauge hole, a smooth wellbore and a wellbore with minimum tortuosity. Therefore, dog leg...
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Revealing vertical aquifer heterogeneity and hydraulic anisotropy by pum** partially penetrating wells
The stratification of sedimentary aquifers introduces spatial variability in hydraulic conductivity, primarily between individual horizontal layers....
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Karst Collapse Investigations
Karst collapses and the factors that affect karst collapses vary significantly in different regions. Any investigations are to be designed to meet...
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The Anthropogenic Aggravation of Landslide Disasters in Bangladesh: Key Informants’ Perspectives
Landslide disasters in Bangladesh’s Chittagong hill districts (CHD) put lives, livelihood, and the ecosystem at risk. Therefore, understanding the...