Results 121 to 130 of about 167,662 (294)

A logging-curve separation scale overlay method for total-organic-carbon estimation in organic-rich shale reservoirs

open access: yes, 2017
Quantitative estimation of total-organic-carbon (TOC) content using well logs is very important for shale-gas reservoir evaluation, especially when core data are limited.
Lei Xu   +4 more
core   +1 more source

Difference analysis of geological characteristics of continental shale oil in eastern and western China and its influence on enrichment law: A case study of exploration area of Shengli Oilfield

open access: yesYouqi dizhi yu caishoulu
The exploration area of Shengli Oilfield was studied, and the difference in geological characteristics of shale oil in continental lake basins in eastern and western China and its influence on the enrichment law were systematically compared.
ZHANG Kuihua   +6 more
doaj   +1 more source

Bioleaching of organic carbon rich polymetallic black shale

open access: yes, 2015
The present study describes the extraction of metals from organic-carbon rich Kyrk Tasjo (Sweden) polymetallic black shale using mixed cultures of acidophilic iron- and sulfur-oxidizing microorganisms.
Tariq M. Bhatti, Bhatti, Tariq M.,
core   +1 more source

Front Matter

open access: yesGeophysical Monograph Series, Page i-xiv., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
wiley  

+1 more source

Reservoir Characterization and Chemostratigraphy of the Goddard Shale in the South Central Oklahoma Oil Province [PDF]

open access: yes, 2016
The Goddard Shale of the South Central Oklahoma Oil Province, or SCOOP, has become a formation of interest in recent years. However, there is a paucity of published information in regards to this formation.
Rush, William
core  

Control of organic matter on metal mineralisation in uranium-rich black shale “Kupferschiefer”

open access: yes
International audienceThe natural formation of economically important metal sulfides in the geological "Kupferschiefer" system in Central Europe (i.e.
Schulz, H.-M.   +3 more
core   +1 more source

Vp-Vs Relations of Organic-rich shales

open access: yes, 2015
Organic-rich shales can serve as both source rocks and reservoir rocks. They are becoming increasingly important exploration and exploitation targets; however our knowledge of organic-rich shale properties is poor.
Qin, Xuan 1988-
core  

Reservoir space and fractal characteristics of low-maturity shale in Dongying Sag: A case study of Upper Submember of Fourth Member in Eocene Shahejie Formation in Minfeng area

open access: yesYouqi dizhi yu caishoulu
Low-maturity shale is widely distributed in Dongying Sag, which has abundant shale oil resources. However, the reservoir space and fractal characteristics of low-maturity shale reservoirs are not clear, which restricts the efficient development of low ...
WANG Weiqing   +5 more
doaj   +1 more source

A Rezi Rzt-1 fúrás felső-triász képződményeinek szervetlen geokémiai jellemzői (Kösseni Formáció, Keszthelyi-hegység): őskörnyezeti tanulmány | Inorganic geochemical characteristics of the Upper Triassic rocks from borehole Rezi Rzt–1 (Kössen Formation, Keszthely Mountains, Hungary): a palaeoenvironmental study

open access: yes, 2006
Tanulmányunkban a Dunántúli-középhegységből származó nori–rhaeti bitumenes márgák (Kösseni Formáció) szervetlen geokémiai adatait használtuk fel az üledékképződés őskörnyezeti viszonyainak jellemzésére.
Raucsikné Varga, Andrea Beáta   +2 more
core  

High-resolution environmental change in the late Jurassic Kimmeridge clay formation

open access: yes, 2000
Several discrete intervals of the Late Jurassic Kimmeridge Clay Formation were analyzed to assess the high-resolution environmental change, which occurs within laminated lithologies. The material was from new boreholes drilled in Dorset, southern England,
Pearson, S.J.
core  

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