Results 21 to 30 of about 13,447 (99)
Progress and prospect of CNOOC's oil and gas well drilling and completion technologies
Natural Gas Industry B, 2022 Offshore oil and gas production has become an important growth pole to ensure national energy security. However, China's offshore oil and gas production is lack of key core technologies and weak in tool and equipment foundation and can hardly support the
Zhong Li +3 more
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Natural Gas Industry B, 2019 The application effect of the foam deliquification technology in horizontal wells is poor because the foaming agent fails to reach the target location.
Tong Liu +6 more
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Integrity tests of cement sheath for shale gas wells under strong alternating thermal loads
Natural Gas Industry B, 2020 During large-scale hydraulic fracturing in shale gas horizontal wells, a cement sheath easily loses its integrity due to the fluctuation and continuous change of wellbore temperature and pressure and the cyclic loading and unloading, which will threaten ...
Yuanhua Lin +5 more
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Technology in Cancer Research and Treatment, 2020 Background: MicroRNAs (miRNAs) have been demonstrated to play critical roles in tumorigenesis of non-small cell lung cancer (NSCLC), and circulating miRNAs are a valuable source of biomarkers for the clinical management of NSCLC.
Lei Chen, Yunxia Li, Jing Lu
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Natural Gas Industry B, 2019 Natural gas resources production in Russia is profitable, both economically and in terms of the energy produced. In 2017, the Gazprom Return on Energy Investment (further- EROI) for the production, transportation, and processing was 79:1 that is a high ...
Steblyanskaya Alina +4 more
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New progress in wastewater treatment technology for standard-reaching discharge in sour gas fields
Natural Gas Industry B, 2018 Gas field water is generally characterized by complex contaminant components and high salinity. Its proper treatment has always been the great concern in the field of environmental protection of oil & gas fields.
Jie Yang, Qigui Xiang
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Mitochondrial miR-762 regulates apoptosis and myocardial infarction by impairing ND2
Cell Death and Disease, 2019 Mitochondrial dysfunction plays a major role in the pathogenesis of cardiovascular diseases. MicroRNAs (miRNAs) are small RNAs that act as negative regulators of gene expression, but how miRNAs affect mitochondrial function in the heart is unclear. Using
K. Yan +11 more
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Natural Gas Industry B, 2015 The rocks of the Zhenzhuchong Member of the Ziliujing Formation, Jiulongshan–Jiange area in the Sichuan Basin, were analyzed by petrography, XRD, and SEM techniques to investigate their diagenetic history and properties, such as authigenic mineral types,
Mingcai Hou +4 more
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RNA Biology, 2019 Dysfunctions of epithelial–mesenchymal transition (EMT)-regulated cell migration and invasion have been involved in the pathogenesis of pre-eclampsia (PE). However, the role of circRNAs in EMT of PE has not been widely investigated.
Xue-Yan Shen +6 more
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Natural Gas Industry B, 2019 The gas reservoir of Upper Triassic Xujiahe Fm in the Sichuan Basin is characterized by “accumulation in the early stage, entrapment in the middle stage and activation in the late stage”.
Shu Liu +6 more
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