2015223&ensp·&enspGas saturation logging evaluation of partially saturated tight sandstone reservoir Yin Shuai,Ding Wenlong,Huang Changjie,Xiao Zikang,Zhou Xuehui 1.School of Energy Resources,China University of Geosciences,Beijing 100083,China 2.Key Laboratory
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Entropy Evaluation Method for Sandstone Uranium Reservoir Characteristics Based on Convex Hull Search We divided the model into 36 mining units according to the actual engineering layout of
Later the department was reorganized as the Mineral Exploration and Evaluation Core Process (MEECP) in July 2009.The aim of this core process is to explore and evaluate metallic and industrial minerals and rocks ane coal and oil shale potential of the country and avail the data of these recourses for users for development and/or further detail
This paper discusses the different reasons sandstone reservoirs can have low resistivity. Clean bearing sandstone has high resistivity, but when this rock contains shale, or heavy minerals such as pyrite, the resistivity can become low. This resistivity change depends on
T1 Fracture of sandstone characterized by digital image correlation. AU Lin, Qing. AU Labuz, Joseph F. PY 2013/6/1. Y1 2013/6/1. N2 Evaluation of mode I fracture characteristics, such as critical opening displacement and processzone length, is fundamental
2012830&ensp·&enspgeotechnical evaluation of the rock formations since acoustic travel time is explicitly tied to the density and the elasticity of the medium . They also can give access to dynamic undrained elastic moduli, which require data on the compressibility of the saturating ﬂuids to be turned intodynamic drained elastic moduli.
2020423&ensp·&enspThe life cycle of mining begins with exploration, continues through production, and ends with closure and postmining land use. New technologies can benefit the mining industry and consumers in all stages of this life cycle. This report does not include downstream processing, such as smelting of
2015625&ensp·&ensp7 ：Evaluation on strength and deformation behavior of red sandstone under simple and complex loading paths,：Engineering Geology,： 8 ：Experimental study on the strength, deformability, failure behavior and acoustic
2019320&ensp·&ensp(7) A creep model for weakly consolidated porous sandstone including volumetric creep. International Journal of Rock Mechanics and Mining Sciences, 2015 (doi: 10.1016/j.ijrmms.2015.04.021) (8) Effects of loading rate and bedding on the dynamic fracture, 2017.
Based on the data of 244 wells,the sandstone reservoirs of the Neogene in Huatugou oilfield,Qaidam Basin is tentatively evaluated with Qmodel Principal Factor Analysis(PFA) and Fast Clustering Method(FCM). In order to quantitatively analyze the characteristics of
20131125&ensp·&enspEvaluation of mechanical rock properties using a Schmidt Hammer O. Katza,b,c,*, Z. Rechesa, sandstone and sti• igneous rocks, covering a International Journal of Rock Mechanics and Mining Sciences 37 (2000) 723–728 13651609/00/$ see front matter 7 2000 Elsevier Science Ltd.
20191024&ensp·&ensp2 Sandstone Quarrying and Processing Operations 2.1 Sandstone Sandstone is a sedimentary rock comprised of lithified sands. Most is primarily quartz sand or a mix of quartz and feldspar sands in conjunction with interstitial cementing materials including calcite, clay, iron
2018119&ensp·&enspThe Nubian Sandstone is a thick sequence of clastic and thin carbonate sediments in the Jebel El Zeit section of eastern Egypt. The sequence is composed mainly of sandstone with shale and minor carbonate interbeds and was deposited in continental and fluviomarine to marine settings.
Temperate Highland Peat Swamps on Sandstone: evaluation of mitigation and remediation techniques, Knowledge report is licensed by the Commonwealth of Australia for use under a Creative Commons By Attribution 3.0 Australia licence with the exception of the Coat of Arms of the
2020415&ensp·&enspKang Y L,Xu C Y,You L J,et al. Comprehensive evaluation of formation damage induced by working fluid loss in fractured tight gas reservoir[J]. Journal of Natural Gas Science and Engineering,2014,18：353359.（SCI）
The Wangjialing Mine in southern Shanxi Province is seriously threatened by roof water and is infamous for a water inrush disaster that happened there in 2010. A rootcauseanalysis was conducted. Three key issues, the height of the mininginduced fractured zone in formations overlying the coal seam, the water yield of aquifers overlying the coal seam, and working face water inflows before and
【】：The primary objective of this study was to evaluate the existing conditions and the stability of a mining site in which the unique features of seismicity, mining activity, hydrological conditions, geological conditions, environmental conditions, and future development plans were considered.
Research into selection evaluation system on comining of "the three gas" in coal series stratum shale gas and tight sandstone gas. However, selection evaluation as the basis and prerequisite
Sandstone: evaluation of mitigation and remediation techniques (the IESC Report). In general the IESC Report: does not consider all of the relevant publicly available information in developing arguments about the effects of longwall mining on Temperate Highland Peat Swamps on