Investigations of CO2 storage capacity and flow behavior in shale formation

Jia, Bao; Chen, Zeliang; Chen, Xian

doi:10.1016/j.petrol.2021.109659

Cited by 56 publications

(28 citation statements)

References 31 publications

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“…The hydrocarbon (HC) potential of the Arctic zone of the Russian Federation (AZRF) is considered as a strategic reserve for the reproduction of the mineral resource base of oil and gas in the long term. A detailed geological study and the industrial development of the Arctic regions, especially the water areas, are associated with a number of problems related to natural and climatic features, the complex geological structure of deposits, technological features, and the imperfection of the regulatory framework-the current unfavorable economic situation in the global and domestic markets for fuel and energy resources [5].…”

Section: The Economic Significance Of the Resource Development Of The Hydrocarbon Potential Of The Arctic Zone Of The Russian Federationmentioning

confidence: 99%

“…The raw hydrocarbon potential of the Arctic Seas of Russia is represented today by 19 deposits, most of which are located within the lips and bays of the Kara Sea; some are shelf extensions of onshore objects [5,6], and a smaller one is in the Pechora Sea on the continuation of the TPP. The volume of proven oil reserves is relatively small at 454 million tons, while the volume of projected oil resources is estimated at 12.8 billion tons, of which only 5% is concentrated in currently licensed areas.…”

Section: The Economic Significance Of the Resource Development Of The Hydrocarbon Potential Of The Arctic Zone Of The Russian Federationmentioning

confidence: 99%

“…In the sedimentary cover within the studied area, the Cambrian Lower-Middle Ordovician terrigenous, Middle Ordovician-Lower Devonian terrigenous-carbonate, Middle Devonian-Frasnian terrigenous, Domanik-Tournaisian carbonate, Upper Visean-Lower Permian carbonate, and the Upper Permian and Triassic terrigenous sediments that promise oil and gas complexes are distinguished from the bottom to the top [5,39].…”

Section: Promising Oil and Gas Complexes And Oil And Gas Generating Strata Of The Lower Paleozoic Part Of The Sectionmentioning

confidence: 99%

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Arctic Shelf Oil and Gas Prospects from Lower-Middle Paleozoic Sediments of the Timan–Pechora Oil and Gas Province Based on the Results of a Regional Study

2021

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The Timan–Pechora oil and gas province (TPP), despite the good geological and geophysical knowledge of its central and southern regions, remains poorly studied in the extreme northwestern part within the north of the Izhma–Pechora depression and the Malozemelsk–Kolguev monocline, and in the extreme northeast within the Predpaikhoisky depression. Assessing the oil and gas potential of the Lower Paleozoic part of the section is urgently required in the northwestern part of the TPP, the productivity of which has been proven at the border and in the more eastern regions of the province (Pechora–Kolva, Khoreyverskaya, Varandei–Adzva regions), that have been evaluated ambiguously. A comprehensive interpretation of the seismic exploration of regional works was carried out, with the wells significantly clarifying the structural basis and the boundaries of the distribution of the main seismic facies’ complexes. The capabilities of potentially oil- and gas-producing strata in the Silurian–Lower Devonian were studied. An analysis of migration routes in transit strata used for basin modeling in order to reconstruct the conditions of oil and gas formation that are common in the land and water areas of the Arctic zone of the TPP was carried out. Modeling allowed us to reach an understanding of the formation of large zones with possible accumulations of hydrocarbons, including the time at which the formation occurred and under what conditions, to establish space–time links with possible centers of generation to identify migration directions and, based on a comparison with periods of intensive generation of hydrocarbons both directly located within the work area and beyond (noting the possible migration), to identify zones of the paleoaccumulation of hydrocarbons. The body of existing literature on the subject made it possible to outline promising oil and gas accumulation zones, with the allocation of target objects for further exploration in the Lower Paleozoic part of the section.

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Section: The Economic Significance Of the Resource Development Of The Hydrocarbon Potential Of The Arctic Zone Of The Russian Federationmentioning

confidence: 99%

Section: The Economic Significance Of the Resource Development Of The Hydrocarbon Potential Of The Arctic Zone Of The Russian Federationmentioning

confidence: 99%

Section: Promising Oil and Gas Complexes And Oil And Gas Generating Strata Of The Lower Paleozoic Part Of The Sectionmentioning

confidence: 99%

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Arctic Shelf Oil and Gas Prospects from Lower-Middle Paleozoic Sediments of the Timan–Pechora Oil and Gas Province Based on the Results of a Regional Study

2021

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“…In truth, the investigation of accumulated damage is not restricted to rocks [25]. The nature of the accumulated damage is that it alters the microstructural parameters of rocks, such as porosity, pore size, and pore distribution, causing changes in the physical properties of the rocks, which strongly affect their mechanical characteristics [26][27][28]. Therefore, the concern regarding accumulated stress damage caused by deep mining engineering requires immediate attention.…”

Section: Introductionmentioning

confidence: 99%

Effects of Accumulated Damage on the Dynamic Properties of Coal Measures Sandstone

Sha

et al. 2022

Minerals

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The coupling effect of accumulated damage and impact load substantially affects the integrity of the surrounding rock structure in deep coal mining engineering, which has inhibited safe and effective coal mining. Therefore, dynamic compression tests were performed on coal measures sandstone specimens with accumulated damage using the SHPB device. The effects of a high strain rate and accumulated damage on the sandstone’s mechanical behavior and damage evolution were investigated. The results reveal that accumulated damage has a considerable impact on specimen stress–strain curves and lowers dynamic compressive strength and deformation modulus substantially. The sandstone failure mode looks to be shear failure from a macroscopic perspective, while it appears to be intergranular fracture between the mineral particles from a microscopic perspective. The macroscopic and microscopic failure mechanisms of the sandstone specimens likewise conformed to the energy absorption law. The accumulated damage factor and the accumulated damage correction coefficient were presented in order to construct a statistical damage constitutive model of rocks based on the Weibull distribution. This model provides a decent description of the effects of accumulated damage and the strain rate on sandstone’s mechanical behavior, with parameters that are all of evident physical significance.

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“…As one of the largest deposited unconventional shales around the world, oil shale drew much attention either from the government or the industry in the past several decades [1][2][3][4]. How to excavate vast deposited oil shale effectively and cost-effectively is believed to be the huge challenge for most countries [5].…”

Section: Introductionmentioning

confidence: 99%

Compressive Behavior of Oil Shale with Calcareous Concretion: Parametric Study

et al. 2021

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The non-uniformly distributed calcareous concretion among the oil shale in the Junggar basin of China has led to the difficulty in achieving the slope stability. This paper presents the numerical simulation of the behavior of oil shale with calcareous concretion via the Particle Flow Code (PFC2D) program based on the trial experimental test results. The critical parameters investigated in this research covered the size, distribution, strength, and number of the calcareous concretion. The following conclusions can be drawn based on the discussions and analysis: (1) the hard concretion always results in the high compressive strength of the specimen compared with that without concretion; (2) when the radius of the concretion size raised from 2.5 mm to 20 mm, the peak strength of tested specimens is approximately 50 MPa, whereas, the specimen with large concretion is much more ductile under compression; (3) the compressive behavior of tested specimens is similar even when the position of the concretion is variable; and (4) different from the specimens with only one concretion, these specimens contained two concretions featured with the double “X” failure mode. Meanwhile, the peak strength of the specimens with two hard concretions is about 2.5 times that of its counterparts with two soft concretions. The numerical simulation results are meaningful in guiding the design and analysis of the oil shale slope with the concretion.

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Investigations of CO2 storage capacity and flow behavior in shale formation

Cited by 56 publications

References 31 publications

Arctic Shelf Oil and Gas Prospects from Lower-Middle Paleozoic Sediments of the Timan–Pechora Oil and Gas Province Based on the Results of a Regional Study

Arctic Shelf Oil and Gas Prospects from Lower-Middle Paleozoic Sediments of the Timan–Pechora Oil and Gas Province Based on the Results of a Regional Study

Effects of Accumulated Damage on the Dynamic Properties of Coal Measures Sandstone

Compressive Behavior of Oil Shale with Calcareous Concretion: Parametric Study

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