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Multi-Scale Pore Structure Heterogeneity in Tuff Reservoirs Investigated with Multi-Experimental Method and Fractal Dimensions in Chang 7 Formation, Southern Ordos Basin
The tight tuff reservoir is an unusual type of unconventional reservoir with strong heterogeneity. However, there is a lack of research on the...
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Investigating the Propagation of Multiple Hydraulic Fractures in Shale Oil Rocks Using Acoustic Emission
The propagation of multiple fractures plays a significant role in the effectiveness of hydraulic stimulation in shale oil reservoirs. Previous...
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Fluid Mobility Evaluation of Tight Sandstones in Chang 7 Member of Yanchang Formation, Ordos Basin
Fluid mobility has been important topic for unconventional reservoir evaluation. The tight sandstones in Chang 7 Member of the Ordos Basin has been...
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Distribution difference and significance of short-chain steranes in humic coal and coal-measure mudstone of Triassic Xujiahe formation in Sichuan Basin, SW China
In order to discover formation causes of short-chain steranes in coal-measure source rock of the research area, 62 samples of Triassic Xujiahe...
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Organic geochemical characteristics of shale in the lower sub-member of the third member of Paleogene Shahejie Formation (Es3L) in Zhanhua Sag, Bohai Bay Basin, eastern China: significance for the shale oil-bearing evaluation and sedimentary environment
Organic geochemical compositions of shale are the key parameters for evaluating the potential of lacustrine shale oil. Systematic organic geochemical...
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Influence of sedimentation and diagenesis on reservoir physical properties: a case study of the Funing Formation, Subei Basin, eastern China
The sandstone of the third member of the Funing Formation (E 1 f 3 ) in the northern slope zone of the Gaoyou Sag has the typical characteristics of high...
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Geophysical Well-Log Evaluation in the Era of Unconventional Hydrocarbon Resources: A Review on Current Status and Prospects
Geophysical well-log evaluation in the era of unconventional hydrocarbon resources (mainly tight oil and gas, shale oil and gas) is complicated and...
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Factors that controlled deposition of lacustrine, mixed siliciclastic-carbonate sediments in the upper fourth member of the Eocene Shahejie Formation in the Zhanhua Sag, East China
The Zhanhua Sag is located in the east-central Jiyang Depression, southern Bohai Bay, northeast China, and is a half-graben, lacustrine basin. Mixed...
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Environmental Impact Assessment in Hongliulin Coal Mine
Hongliulin mining area is bordered by the coal seam outcrop in the east, the **jie mine field and Liangshui**g mine field in the Yushen mining area...
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Paleoenvironment and organic matter enrichment of the Carboniferous volcanic-related source rocks in the Malang Sag, Santanghu Basin, NW China
Volcanic activity was quite frequent during the deposition of the Late Carboniferous Ha’erjiawu Formation in the Santanghu Basin. The petrology and...
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Microscopic and Fractal Characterization of Organic Matter within Lacustrine Shale Reservoirs in the First Member of Cretaceous Qingshankou Formation, Songliao Basin, Northeast China
Understanding the occurrences of different fractions of organic matter in shale reservoirs is very important for the evaluation of shale oil....
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Quantifying Microstrain of Quartz and Illite During Thermal Maturation of Organic Matter
Strain is an important mechanical parameter and mechanical response to stress perturbation in geomaterials that should be studied in detail since it...
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A Method for Estimating the Mechanical Parameters of the Laminae of Laminated Rocks Based On Uniaxial Compression and Tensile Tests
Laminated rocks, which are composed of two types of laminae (referred to as ‘strong lamina’ (SL) and ‘weak lamina’ (WL)), are prevalent in rock...
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Reservoir quality and diagenesis of the Permian Lucaogou Formation tight carbonates in Jimsar Sag, Junggar Basin, West China
The Lower Permian Lucaogou Formation in the Jimsar sag, Junggar Basin is a typical tight-oil reservoir in China. For effective exploration and...
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Logging evaluation of shale oil “sweet spot” in Da’anzhai member, Longgang area, Sichuan Basin
Shale oil has received extensive attention all over the world. The Da’anzhai member is the most potential exploration member of shale oil of the...
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Coal Seam Correlation in Terrestrial Basins by Sequence Stratigraphy and Its Implications for Paleoclimate and Paleoenvironment Evolution
Coal correlation cannot only guide coal and coalbed methane exploitation, but may also provide valuable information for the evolution of the...
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Occurrence Characteristics of Saline-Lacustrine Shale-Oil in the Qianjiang Depression, Jianghan Basin, Central China
The amount of shale oil and its characterization are key issues in the study of shale oil. At present, many scholars use a variety of methods to...
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The Influence of Bedding Planes on Tensile Fracture Propagation in Shale and Tight Sandstone
Unconventional oil and gas reservoirs are normally characterized by low porosity and low permeability and need to be hydraulically fractured to...
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Unified Classification of Oil and Gas Reservoirs in the WPS
There are a lot of correlations between conventional and unconventional oil and gas reservoirs, such as their oil and gas come from the same source...
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Fracture propagation and failure mode characteristics of lamellar lacustrine shale under true triaxial compression conditions
Shale oil in China is mainly concentrated in lacustrine shale reservoir, which has poor structural continuity, strong heterogeneity and strong...
