Search Results - Editorial Office of Well Logging Technology

Fractures have a crucial impact on the storage capacity and permeability of oil and gas reservoirs. Accurate identification and quantitative evaluation of fractures are of vital importance in oil and gas exploration and development. However, due to the limitations of geophysical logging tools, it is...

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Artificial intelligence (AI) technology has made significant progress, attracting considerable attention, and its applications are expanding across all industries. This article introduces the current state of AI applications in the oil and gas sector, analyzes their development trends, and presents...

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To address the challenge that traditional logging while drilling (LWD) acoustic transducers lack directional radiation capability, hindering the identification of geological structures outside the borehole in drilling environments, this study developed an eccentric transmitter transducer transducer...

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To address the demand for rapid in-situ detection of mineral and carbon elements in cuttings during ultra-deep hydrocarbon exploration, this study proposes an efficient elemental composition detection method based on laser-induced breakdown spectroscopy (LIBS). By systematically analyzing the charac...

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During the process of oil and gas exploration, logging data is of great significance for the interpretation and evaluation of reservoirs. However, when oil-based drilling fluids are used in the drilling operations of complex wells, due to the large amount of petroleum and its derivatives contained i...

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In order to improve the performance of telemetry of logging while drilling (TLWD) in complex drilling environment, the telemetry communication system is developing towards the trend of multi-architecture, multi-modal and multi-method, which brings a complication and inefficiency in the processing of...

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The complex pore structure, metamorphic degree and mineral components have a great impact on the electrical conductivity characteristics of deep coal seams, posing significant challenges to the evaluation of saturation based on electrical parameters. In order to clarify the electrical properties and...

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Fine 3D modeling technology comprehensively considers the complex coupling relationships between geological and engineering factors, providing scientific support and guidance for efficient development of unconventional shale oil. Taking the Jurassic lacustrine shale oil reservoir in Langzhong area o...

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Relatively low salinity of formation water and rich calcium in sandstone layers in the underground gas storage reservoirs in eastern China bring challenges to the interpretation of logging data by the pulsed neutron spectral tool (PNST). With the help of the PNST logging response numerical simulatio...

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Due to poor logging conditions and other factors, open-hole logging data is missing in some old wells, making cased-hole porosity logging an important technical complementary means. This paper establishes a method for determining porosity based on the gamma time spectrum information of pulsed neutro...

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Aiming at the problems of signal distortion and increased bit error rate caused by the interference of downhole sensor noise, fluid turbulent fluctuations, and wall friction effects on the wireless pressure pulse signals in the intelligent stratified water injection system, this paper designs a hybr...

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In acoustic logging, multipole waves (such as dipole waves and quadrupole waves) generated by the sound source are dispersive mode waves, and their dispersion effects can lead to inaccurate wave velocity measurement. Traditional physics-driven methods for forward modeling dispersion curves are compu...

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The impedance water cut meter is a longitudinal array conductivity sensor, and the structure and parameters of the sensor have an important impact on the performance. Because the walls at both ends of the impedance water cut meter are metal structures, there is a phenomenon that the excitation elect...

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In the heavy oil steam huff and puff thermal recovery blocks of Yuedong island, Liaohe oilfield, dynamic monitoring of production profiles in individual wells is required. Traditional wireline logging cannot be effectively applied in such blocks due to challenges including high temperature, high pre...

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The real-time extraction of acoustic interval time is of significant importance for rapidly evaluating reservoir quality and timely optimizing exploration and development decisions. By analyzing the variation characteristics of acoustic wave propagation speeds in different rock formations, the physi...

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This paper proposes a well-spacing measurement method that integrates magnetic ranging with artificial intelligence, aiming to enhance the detection range and accuracy of magnetic guidance technology for relief wells. Finite element software is used to build models of the active drilling well and th...

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The identification of low-contrast reservoirs represents one of the major challenges currently facing the petroleum industry. The genesis of low-contrast reservoirs in the Kapok area of the Doseo basin in Chad is diverse and the oil-water relationship is complex, and the use of conventional petrophy...

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