A method for improving the evaluation of elemental concentrations measured by geochemical well logging
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-018-5986-y
Abstract: The increasing complexity of oil and gas reservoirs demands an accurate understanding of formation composition and mineralogy. Geochemical well logging based on prompt gamma neutron activation analysis technique (PGNAA) plays a crucial role in determining… read more here.
Keywords: improving evaluation; elemental concentrations; well logging; method ... See more keywords
Fracture detection using conventional well logging in carbonate Matulla Formation, Geisum oil field, southern Gulf of Suez, Egypt
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Exploration and Production Technology"
DOI: 10.1007/s13202-017-0343-1
Abstract: The non-availability of the advanced tools such as FMI and Borehole Televiewer has led to the use of conventional well logging methods in the examination of potential fractures and ultimately help in reservoir characterization and… read more here.
Keywords: fracture; well logging; conventional well; matulla formation ... See more keywords
Petrophysical evaluation of clastic Upper Safa Member using well logging and core data in the Obaiyed field in the Western Desert of Egypt
Sign Up to like & getrecommendations! Published in 2020 at "Egyptian Journal of Petroleum"
DOI: 10.1016/j.ejpe.2020.01.001
Abstract: Abstract Upper Safa Member is part of Jurassic Khatatba Formation; it consists of low net gross ratio sand streaks. The core and well logging data were used to perform a comprehensive reservoir evaluation. The Schlumberger… read more here.
Keywords: upper safa; safa member; evaluation; well logging ... See more keywords
A rock physics modelling algorithm for simulating the elastic parameters of shale using well logging data
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-29755-2
Abstract: As a high-resolution geophysical method employed by the oil and gas industry, well logging can be used to accurately investigate reservoirs. Challenges associated with shale gas reservoir exploration increase the importance of applying elastic parameters… read more here.
Keywords: elastic parameters; using well; well logging; physics ... See more keywords
Radiation protection for well logging operations in Saudi Arabia.
Sign Up to like & getrecommendations! Published in 2023 at "Radiation protection dosimetry"
DOI: 10.1093/rpd/ncad091
Abstract: In well logging, sophisticated tools are inserted into a borehole to measure physical and geological properties of rocks surrounding the well. Some of these, known as nuclear logging tools, contain radioactive sources and are used… read more here.
Keywords: radioactive sources; protection; well logging; radiation protection ... See more keywords
Visual Analytics of Stratigraphic Correlation for Multi-Attribute Well-Logging Data Exploration
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2929061
Abstract: Stratigraphic correlation based on well-logging data is able to help geological interpreters analogize and deduce underground sedimentary morphology. A great deal of traditional methods has been studied to automatically or manually achieve stratigraphic correlation, the… read more here.
Keywords: visual analytics; well logging; stratigraphic correlation; logging data ... See more keywords
Improved Estimation for Well-Logging Problems Based on Fusion of Four Types of Kalman Filters
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2017.2752460
Abstract: The concept of information fusion has gained a widespread interest in many fields due to its complementary properties. It makes systems more robust against uncertainty. This paper presents a new approach for the well-logging estimation… read more here.
Keywords: estimation; kalman filters; well logging; tex math ... See more keywords
3-D Numerical Mode Matching Method for Off- Centered Electromagnetic Well Logging Tools in Noncircular Vertical Borehole and Invasion Zones in Multilayered Media
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3085892
Abstract: In electromagnetic (EM) well logging for petroleum exploration, off-centered tools within a noncircular borehole and invasion zones in multilayered media represent a challenging 3-D problem for traditional numerical methods. The 3-D finite-element numerical mode-matching (FNMM)… read more here.
Keywords: invasion zones; numerical mode; mode matching; method ... See more keywords
A Dynamic Time Warping Loss-Based Closed-Loop CNN for Seismic Impedance Inversion
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3229276
Abstract: Deep learning (DL) methods have been widely applied in seismic inversion. However, one of the major challenges for DL-based seismic inversion is the time-shifted well-logging labels, which is resulted by the inaccurate time–depth relationship estimation… read more here.
Keywords: time; inversion; cnn; loss ... See more keywords
Acoustic communication through well-head for an untethered autonomous well logging tool
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5147707
Abstract: Untethered autonomous well logging tools have recently been introduced to oilfields. Once deployed into a well, the tools autonomously travel in the well to collect data and return to surface after the mission is completed.… read more here.
Keywords: untethered autonomous; well logging; autonomous well; logging tool ... See more keywords
Repeat well logging using earthquake wave amplitudes measured by distributed acoustic sensors
Sign Up to like & getrecommendations! Published in 2020 at "Geophysics"
DOI: 10.1190/tle39070513.1
Abstract: Well-based technologies for seismic subsurface monitoring increasingly utilize fiber-optic cables installed in boreholes as distributed acoustic sensing (DAS) systems. A DAS cable allows measuring linear strain of the fiber and can serve as an array… read more here.
Keywords: well logging; repeat well; distributed acoustic; earthquake wave ... See more keywords