Renqiu Sandstone

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    EXPERIMENTAL AND THEORETICAL STUDY ON FREEZE

     · The freezing and thawing cycles tests were conducted on red sandstone and shale. In this paper freezingthawing damage propagation processes are analyzed and two deterioration modes scaling mode for red sandstone and fracturing mode for shale are suggested.

    Natural fractures at depth in the Lower Cretaceous Kuqa

    For tight sandstone reservoirs (matrix permeability less than 10 −3 μm 2 Dutton et al. Reference Dutton Clift Hamilton Hamlin Hentz Howard Akhter and Laubach 1993 p. 221) accurate characterization and prediction of fractures could be used to optimize well drilling and completion (Almansour et al. Reference Almansour

    WP6 35 200109 JKSHCWGeology

     · for the Renqiu field alone. At this preliminary stage of study estimating the storage capacity in aquifers is still uncertain Based on different hypotheses a conservative range of values of 370750Mt in the Tertiary sandstone was proposed. All relevant data were inputted to a Geographic Information System (GIS) and

    EXPERIMENTAL AND THEORETICAL STUDY ON FREEZE

     · The freezing and thawing cycles tests were conducted on red sandstone and shale. In this paper freezingthawing damage propagation processes are analyzed and two deterioration modes scaling mode for red sandstone and fracturing mode for shale are suggested.

    Natural fractures at depth in the Lower Cretaceous Kuqa

    2. Geological setting. The Kuqa Depression in the Tarim Basin is adjacent to the Tianshan Mountains (Fig. 1) and is characterized by numerous thrust faults and faultrelated anticlines with approximately west–east trends (Fig. 2).The thrust activity is related to the India–Asia plate collision during the Cenozoic (Guo et al. Reference Guo Shi Lu QB Dai Liu and Li 1992 pp. 1–8 Lu

    World OilUpstream News Technology Exploration

    World Oil provides news oil prices data statistics shale reports and upstream industry trends relating to the exploration drilling completion and production of oil and gas both onshore and

    UNITED STATES DEPARTMENT OF THE INTERIOR

     · UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Geology and Hydrocarbon Resources of Onshore Basins in Eastern China by Gregory Ulmishek

    EXPERIMENTAL AND THEORETICAL STUDY ON FREEZE

     · Man Huang Bin Tang Jiang Renqiu Guan and Huajun Wang 2020 Advances in Civil Engineering Vol. 2020 Damage evolution model of sandstone under coupled chemical solution and freezethaw process

    Types of Oil and Gas Reservoirsoilfieldteam

     · Reservoirs can be divided into massive stratified fault block and lenticular reservoirs in accordance with the geometry. 1. Massive reservoir. The reservoir has a large effective thickness (more than 10 m). The oil reservoir may have a gas cap and bottom water

     ·  characteristics of tight sandstone reservoirs in sha 2 and sha 3 member of ren qiu fault zone in raoyang

    WP6 35 200109 JKSHCWGeology

     · for the Renqiu field alone. At this preliminary stage of study estimating the storage capacity in aquifers is still uncertain Based on different hypotheses a conservative range of values of 370750Mt in the Tertiary sandstone was proposed. All relevant data were inputted to a Geographic Information System (GIS) and

    The Distribution Characteristics and Favorable

    202014 · PROCEEDINGS 45rd Workshop on Geothermal Reservoir Engineering Stanford University Stanford California February 79 2020 SGP 1 The Distribution Characteristics and Favorable Exploration Zones of Karst Reservoirs in the

    Analytical modeling of mercury injection in highrank

    A sandstone reservoir with a pore diameter of >30 μm and a pore throat diameter of >10 μm is often considered to be a highquality sandstone reservoir. Compared to conventional sandstone reservoirs the pore throat diameters of tight sandstone reservoirs are 10–100 times smaller and the corresponding porosity and permeability of the rocks

     · 27 JMA JMA Reservoir Sandstone Reservoir Sandstone Good Porosity PetroleumGood Porosity PetroleumPores (blue) 1000t/d —

    Microscopic mechanism of water flooding in tight

     · Understanding the micromobility laws and driving mechanisms of waterflooding in tight reservoirs is of great significance for the rational and effective development of reservoirs. Some scholars have carried out a lot of research on the micromechanism of waterflooding in lowpermeability reservoirs. Xueling et al. (2018) 32.

    Variation characteristics of coalrock mechanical

     · Renqiu 062550 Hebei People s Republic of China 5 Engineering Technology Research Institute CNPC of sandstone increase rapidly with temperature in the range of 300–500 °C. The seismic wave velocity uniaxial compressive strength tensile strength and elastic parameters

    Optimising development and production of naturally

    The Renqiu Field produces oil from a Type 2 fractured karstic dolomite reservoir with a matrix porosity of 4 and air permeability of 1 mD. Natural energy is provided by relatively weak aquifer drive. The field began production in 1975 and reached plateau production of c. 260 000 BOPD during 1977–80 . Water injection was introduced to

    Oil Recovery Performance and CO2 Storage Potential of

     · In this study oil recovery performance and carbon dioxide (CO2) storage potential of a CO2 wateralternatinggas (CO2WAG) injection after continuous CO2 injection process for multilayer formation were experimentally determined under immiscible and miscible conditions. First a slimtube apparatus was used to measure the minimum miscibility pressure (MMP) of a CO2–crude oil system

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    Yu SONG Peking University Beijing PKU Environmental

    Yu Song. Using the observational data of dust concentrations and meteorological parameters from 2011 to 2015 the effects of soil moisture and air humidity on dust emission were studied at long