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Showing papers in "Marine and Petroleum Geology in 2016"


Journal ArticleDOI
TL;DR: In this article, the pore structure and fractal dimension of the pores in O3w-S1l shale formation in the Jiaoshiba area were investigated using field emission scanning electron microscopy (FE-SEM).

404 citations


Journal ArticleDOI
TL;DR: In order to study pore structure and fractal characteristics of the organic-rich marine shale, fourteen shale samples from the Lower Cambrian Qiongzhusi formation in Malong block of eastern Yunnan province were investigated by organic geochemical analysis (total organic carbon content analysis and thermal maturity analysis), X-ray diffraction (XRD) analysis, porosity and permeability tests, field emission scanning electron microscopy (FE-SEM), low-pressure nitrogen adsorption and methane adaption experiments.

228 citations


Journal ArticleDOI
TL;DR: In this article, the pore-throat size distribution in a suite of tight reservoir from the fourth member of the Lower Cretaceous Quantou Formation (K 1 q 4 ) in the southern Songliao Basin, China has been investigated under laboratory pressure conditions.

200 citations


Journal ArticleDOI
TL;DR: In this article, the three types of pore types, i.e., intergranular, intraparticle, and organic pore, were quantitatively characterized using fractal and multifractal methods.

164 citations


Journal ArticleDOI
TL;DR: In this article, the pore size distribution and porosity of shale samples from the Lower Silurian Longmaxi formation in southern Sichuan Basin were investigated using focused ion beam-scanning electron microscope (FIB-SEM).

163 citations


Journal ArticleDOI
TL;DR: Li et al. as mentioned in this paper studied the geochemical and isotopic characteristics of shale gas from the Wufeng-Longmaxi and Chang 7 Member (T 3 y 7 ) in the Ordos Basin.

140 citations


Journal ArticleDOI
TL;DR: In this article, the characteristics of heterogeneous nanoporosity of four shale samples are analyzed by combining quantitative evaluation of minerals by scanning electronic microscopy (QEMSCAN), focused ion beam-scanning electron microscopy, and nano-CT.

134 citations


Journal ArticleDOI
TL;DR: In this article, the authors studied the factors that control reservoir heterogeneity and the heterogeneity of oil accumulation in tight oil sandstones in the Upper Triassic Yanchang Formation in the Ordos Basin.

127 citations


Journal ArticleDOI
TL;DR: In this article, the authors used focused ion beam-He ion microscopy (FIB-HIM), nano-computerized tomography (nano-CT), and gas adsorption analysis.

125 citations


Journal ArticleDOI
TL;DR: In this paper, a comparison of all these techniques is provided for characterizing the complex pore structure of continental shales, showing that mesopores (2-50nm) are dominant in shale samples, followed by micropores (1.3 to 60nm).

115 citations


Journal ArticleDOI
TL;DR: A review of the history and current practice of technologies for imaging of pores in sedimentary rocks can be found in this paper, where the authors examine the use of modern imaging techniques to predict porosity and related bulk properties in the subsurface.

Journal ArticleDOI
TL;DR: In this article, X-ray computed tomography and serial block face scanning electron microscopy imaging techniques were used to produce 3D images with a resolution spanning three orders of magnitude from ∼7.7 μm to 7 nm for one typical Bowland Shale sample from Northern England, identified as the largest potential shale gas reservoir in the UK.

Journal ArticleDOI
Lei Pan1, Xianming Xiao1, Hui Tian1, Qin Zhou1, Peng Cheng1 
TL;DR: In this paper, a suite of Longmaxi shale samples were collected from an exploratory well in Southeast Chongqing, South China, and the adsorption parameters were fitted using a supercritical Dubinin-Radushkevich (SDR) model based on the high-pressure methane adaption experiment data for the samples.

Journal ArticleDOI
TL;DR: In this article, a non-destructive atomic force microscopy technique was used to map the elastic modulus of organic and inorganic components at the nanometer scale in shales containing Type II kerogen from three different levels of thermal maturation.

Journal ArticleDOI
TL;DR: In this article, the fractal characteristics of nano-pore structure and their effects on methane adsorption in marine shales were analyzed using X-ray diffraction (XRD), total organic carbon (TOC), and vitrinite reflectance for eleven shale samples of the Lower Silurian Longmaxi Formation from the Upper Yangtze Platform, south China.

Journal ArticleDOI
TL;DR: In this paper, a series of 26 samples from three boreholes (Wickensen, Harderode and Haddessen) in the Hils syncline was investigated.

Journal ArticleDOI
TL;DR: In this article, the authors introduced a lithofacies classification for shale based on rock mineral composition, and analyzed the key factors that affect shale gas content and storage of shale gas were analyzed.

Journal ArticleDOI
TL;DR: In this paper, the authors show that fine grained clastic sediments are very common in the interior deposits of ancient epicontinental seas, and they can also be traced for more than 1000 km offshore from basin margins.

Journal ArticleDOI
TL;DR: Li et al. as mentioned in this paper investigated the depositional controls on organic matter abundance in the prolific black mudstone of the Long-1 Member of the Lower Silurian Longmaxi Formation in southwestern China.

Journal ArticleDOI
TL;DR: In this article, a combination of low-pressure gas adsorption (N2 and CO2), mercury injection porosimetry (MIP) and high-pressure CH4 adaption was used to investigate the pore characteristics and methane sorption capacity of the over-mature shales, and discuss the main controlling factors for methane gas in pore spaces.

Journal ArticleDOI
TL;DR: In this paper, the authors used well logs and thermal maturity data together with widely distributed shot gather data along long-offset seismic reflection lines to estimate exhumation in the uplifted Barents Sea.

Journal ArticleDOI
TL;DR: The formation and preservation conditions of organic-rich black shale of the Upper Yangtze Basin from the Late Ordovician and Early Silurian are revealed by its geochemical characteristics in this article.

Journal ArticleDOI
TL;DR: In this article, the ΔlogR method is used for estimating petrophysical parameters from the source rock rather than an assumed linear approximation, and additional logs are used to improve TOC prediction.

Journal ArticleDOI
TL;DR: In this article, the origins of matrix and cement dolomites and other diagenetic minerals are interpreted on the basis of petrography, isotopic geochemistry (O, C and Sr), and fluid inclusion micro-thermometry.

Journal ArticleDOI
TL;DR: In this article, the authors analyzed the ranges of the fossil taxa and ages are proposed for the lithostratigraphic units of the Bauru Basin, which is a component of a retroarc foreland system developed during the early stages of the Andean evolution and was developed in the back-bulge province of this system.

Journal ArticleDOI
TL;DR: In this paper, a detailed approach for integrating data from cores, imaging and conventional well logs, and high-quality seismic datasets was described to delineate the complex paleokarst systems in the Tahe Oilfield, particularly the paleocaves in the run-off zone.

Journal ArticleDOI
Marie Picot, Laurence Droz, Tania Marsset1, Bernard Dennielou1, Martine Bez 
TL;DR: In this paper, the role of internal and external forcing of sedimentation in turbidite systems remains a subject of debate and new insights from the quantitative analysis of architectural parameters of the Congo Axial Fan are proposed.

Journal ArticleDOI
TL;DR: In this paper, a combination of petrographic, geochemical and petrophysical methods was used to understand the controls on Miocene sandstone reservoir quality to facilitate improved prediction of porosity and permeability.

Journal ArticleDOI
TL;DR: In this paper, the reservoir quality of the red-bed sandstone reservoirs in the Dongying Depression was investigated by an integrated and systematic analysis including carbonate cement petrology, mineralogy, carbon and oxygen isotope ratios and fluid inclusions.

Journal ArticleDOI
TL;DR: In this paper, the authors evaluate the contemporary stress field of the Darling Basin using a dataset from recent exploration wells and perform a geomechanical risk assessment with respect to borehole stability, fracture/fault generation and reactivation.