Results 51 to 60 of about 29,020 (224)

ADVANCING QUANTITATIVE INTERPRETATION PETROPHYSICS: INTEGRATING SEISMIC PETROPHYSICS FOR ENHANCED SUBSURFACE CHARACTERIZATION

open access: yesEngineering Science & Technology Journal, 2023
This paper explores the integration of Quantitative Interpretation (QI) petrophysics and seismic petrophysics to enhance subsurface characterization. The primary objective is to assess how combining high-resolution well-log data from QI petrophysics with broad-scale seismic data from seismic petrophysics improves the accuracy and reliability of ...
null Henry Oziegbe Iriogbe   +2 more
openaire   +1 more source

Systematic Approach for Carbonate and Volcanic Facies Classification Based on Textural and Structural Variations Observed in Brazilian Pre‐Salt Acoustic Image Logs

open access: yesJournal of Petroleum Geology, EarlyView.
ABSTRACT Facies characterization in carbonate reservoirs remains challenging due to their pronounced textural and structural heterogeneity. Variations in grain packing, cementation, and diagenetic overprints produce contrasting acoustic responses in borehole image logs, often limiting the reproducibility of facies interpretation.
Lenita de Souza Fioriti   +2 more
wiley   +1 more source

New knowledge about shock events that affected the L‐chondrite parent body from two heavily shocked L6 meteorite finds

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract We report new results from a study of shock‐related features in the L6 ordinary chondrites Northwest Africa (NWA) 4672 and NWA 12841. Our observations confirm the occurrence of eight high‐pressure (HP) minerals in each meteorite, namely, ringwoodite, majorite, akimotoite, wadsleyite, albitic jadeite, lingunite, tuite, and xieite.
I. Baziotis   +5 more
wiley   +1 more source

Improving Petrophysical Interpretation of Conventional Log ‎by Determination of Real Bed Boundaries [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2017
Proper determination of bed boundaries in layered reservoirs is vital ‎for accurate petrophysical interpretation of conventional logs. In the ‎wellbore, logs continuously measure physical properties of reservoir ‎while the properties change stepwise ...
F. Khoshbakht   +2 more
doaj  

Prestack seismic facies-controlled joint inversion of reservoir elastic and petrophysical parameters for sweet spot prediction

open access: yesEnergy Exploration & Exploitation, 2017
The elastic and petrophysical parameters of a reservoir can be directly applied to lithology prediction and fluid identification. Existing seismic joint inversion methods for estimating the elastic and petrophysical parameters of a reservoir are ...
Sheng Zhang   +5 more
doaj   +1 more source

Study on the lower limits of petrophysical parameters of the Upper Paleozoic tight sandstone gas reservoirs in the Ordos Basin, China

open access: yesJournal of Natural Gas Geoscience, 2017
There hasn't been a clear understanding of the lower limits of petrophysical parameters of tight sandstone gas reservoirs so far. However, it is an important question directly related to exploration and development strategies.
Huiying Cui   +6 more
doaj   +1 more source

Indirect Methods for Validating Shallow Geothermal Potential Using Advanced Laboratory Measurements from a Regional to Local Scale—A Case Study from Poland

open access: yesEnergies, 2020
This paper presents a broad overview of laboratory methods for measuring thermal properties and petrophysical parameters of carbonate rocks, and analytical methods for interpreting the obtained data.
Marek Hajto   +4 more
doaj   +1 more source

Design of a Pressure Transient Campaign for a Giant Middle Eastern Field [PDF]

open access: yes, 2012
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Izzidien, Ali, Izzidien, Ali
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