Results 21 to 30 of about 7,289 (197)

Determination of a potentially optimal zone to perform hydraulic fracturing work, Upper Magdalena Valley basin, Colombia

open access: yesBoletín Geológico, 2022
The present study was carried out for an oil field located in the upper Magdalena Valley basin, Colombia, in which successful hydraulic fracturing was carried out in a well, which we denote fractured. The main objective is to replicate this technique in
Carlos Fabián Sánchez   +2 more
doaj   +1 more source

Petrophysical characteristics of the sandstones used in the construction of the Monumental Heritage of Ciudad Rodrigo, Salamanca. Spain

open access: yesMateriales de Construccion, 2003
Knowledge of the petrophysical characteristics of stones used in construction is evidently advantageous in the sense that it can help avoid wasting time and future disappointments when attempting to assess the results both in restoration work and in ...
M. J. Varas, E. Molina, M. A. Vicente
doaj   +1 more source

Role of Internal Motions and Molecular Geometry on the NMR Relaxation of Hydrocarbons

open access: yes, 2018
The role of internal motions and molecular geometry on $^1$H NMR relaxation times $T_{1,2}$ in hydrocarbons is investigated using MD (molecular dynamics) simulations of the autocorrelation functions for in{\it tra}molecular $G_R(t)$ and in{\it ter ...
Asthagiri, Dilip   +5 more
core   +1 more source

Elastic Anisotropy and Internal Structure of Rocks from the Uranium Ore Occurrences of the Litsa Ore Area (Kola Region, Russia)

open access: yesGeosciences, 2019
A relation of uranium mineralization to structural, textural and physical properties of rocks was investigated using two uranium ore occurrences (Beregovoe and Dikoe) in the Litsa ore area (Kola region, Russia) as an example.
Vadim L. Il’chenko   +1 more
doaj   +1 more source

Tahiti sea level : the last deglacial sea level rise in the South Pacific [PDF]

open access: yes, 2005
Integrated Ocean Drilling Program (IODP) Expedition 310 to the reef terraces around Tahiti, French Polynesia, was the second expedition to utilize a mission-specific platform (MSP) and was conducted by the European Consortium for Ocean Research Drilling (
Camoin, Gilbert F.   +2 more
core   +1 more source

KARAKTERISASI RESERVOAR MELALUI ANALISIS PETROFISIKA BERDASARKAN DATA LOG SUMUR “TRD” FORMASI AIR BENAKAT

open access: yesJGE, 2020
The research area was located in South Sumatra Basin on Air Benakat Formation at South-East Jambi Province. The research conducted to know productive the interest zone by petrophysics analysis (volume shale water saturation, and porosity) and its ...
Beny Chasandra   +2 more
doaj   +1 more source

Rock physics experiment and rock physical modeling of hot dry rock under high temperature

open access: yes矿业科学学报, 2023
Currently, the investigation and monitoring of geothermal energy face significant challenges, and a lack of understanding regarding the variations in physical parameters of hot dry rock reservoirs with temperature is a crucial factor.
Gao Wanli, Zhao Jingtao, Wang Huawei
doaj   +1 more source

PETMiner - A visual analysis tool for petrophysical properties of core sample data [PDF]

open access: yes, 2018
The aim of the PETMiner software is to reduce the time and monetary cost of analysing petrophysical data that is obtained from reservoir sample cores.
Efford, ND   +3 more
core   +1 more source

Ocean Bottom Seismometer Clock Correction using Ambient Seismic Noise

open access: yesSeismica
Ocean-bottom seismometers (OBSs) are equipped with seismic sensors that record acoustic and seismic events at the seafloor, which makes them suitable for investigating tectonic structures capable of generating earthquakes offshore.
David Naranjo   +5 more
doaj   +1 more source

Rock magnetic investigations constraining relative timing for gold deposits in Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 2011
Palaeomagnetic and anisotropy of magnetic susceptibility (AMS) studies were carried out on a orogenic gold deposit in Jokisivu, located in the western part of the Pirkanmaa Belt in the Svecofennian domain of southern Finland.
S. Mertanen, F. Karell
doaj   +1 more source

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