Results 51 to 60 of about 1,655,782 (210)

Anisotropy in Fracking: A Percolation Model for Observed Microseismicity [PDF]

open access: yes, 2014
Hydraulic fracturing (fracking) using high pressures and a low viscosity fluid allow the extraction of large quantiles of oil and gas from very low permeability shale formations. The initial production of oil and gas at depth leads to high pressures and an extensive distribution of natural fractures which reduce the pressures. With time these fractures
arxiv   +1 more source

Complex dielectric properties of organic-rich mudrocks as functions of maturity [PDF]

open access: yesarXiv, 2015
Complex dielectric variations can address neatly the maturity of organic-rich mudrocks. We, therefore, apply an open hemispherical cavity resonator to measure complex dielectric permitivitties of five thin sections of oil (bakken) shales (with different maturity) of $\sim$ 30 $\mu$m thickness on glass-substrates around 2.15 mm thick in 100 - 165 GHz ...
arxiv  

Policty Analysis of Produced Water Issues Associated with In-Situ Thermal Technologies [PDF]

open access: yes, 2011
Commercial scale oil shale and oil sands development will require water, the amount of which will depend on the technologies adopted and the scale of development that occurs.
Keiter, Robert
core  

A method for rapid determination of oil and water content in geological formations [PDF]

open access: yesarXiv, 2017
A novel method utilizing Fast Neutron Resonance Transmission Radiography is proposed for rapid, non-destructive and quantitative determination of the weight fractions of oil and water in cores taken from subterranean or underwater geological formations. Its ability to distinguish water from oil stems from the unambiguously-specific energy-dependence of
arxiv  

A well-testing method for parameter evaluation of multiple fractured horizontal wells with non-uniform fractures in shale oil reservoirs

open access: yes, 2020
Owing to intricate geological and engineering factors, the hydraulic fractures in shale oil reservoirs sometimes are in heterogeneous and random lengths, which brings a difficulty in fracture estimation.
Meiling Meng   +4 more
semanticscholar   +1 more source

Predicting the present-day in situ stress distribution within the Yanchang Formation Chang 7 shale oil reservoir of Ordos Basin, central China

open access: yesPetroleum Science, 2020
The Yanchang Formation Chang 7 oil-bearing layer of the Ordos Basin is important in China for producing shale oil. The present-day in situ stress state is of practical implications for the exploration and development of shale oil; however, few studies ...
Wei Ju   +6 more
semanticscholar   +1 more source

The Use of GIS and Leachability Tests to Investigate Groundwater Vulnerability to Pollution from Oil Shale Utilization at Lajjoun Area/Southern Jordan [PDF]

open access: yes, 2014
Jordan is a country that faces "absolute water scarcity" and may not be able to meet its water needs by the year 2025. Groundwater is the major water resource for many areas of the country and the only source of water in some areas.
Al-Adamat, Rida   +2 more
core   +1 more source

The influence of pyrolysis conditions on hydrocarbons composition of the shale oil (Aleksinac oil shale, Serbia) [PDF]

open access: yes, 2018
The amount and the composition of liquid hydrocarbons (HCs) obtained by pyrolysis of oil shale depend on kerogen type, as well as pyrolytic system and conditions [1]. The aim of this study was to compare HCs composition of bitumen isolated from raw oil
Gajica, G.   +3 more
core   +2 more sources

Eo-Oligocene Oil Shales of the Talawi, Lubuktaruk, and Kiliranjao Areas, West Sumatra: Are They Potential Source Rocks? [PDF]

open access: yes, 2014
DOI:10.17014/ijog.v1i3.198To anticipate the increasing energy demand, additional data and information covering unconventional fossil fuels such as oil shale must be acquired to promote the USAge of alternative energy sources to crude oil.
Iqbal, M. (M)   +3 more
core   +1 more source

Scalable Double Regularization for 3D Nano-CT Reconstruction [PDF]

open access: yesarXiv, 2019
Nano-CT (computerized tomography) has emerged as a non-destructive high-resolution cross-sectional imaging technique to effectively study the sub-$\mu$m pore structure of shale, which is of fundamental importance to the evaluation and development of shale oil and gas.
arxiv  

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