Results 31 to 40 of about 432,547 (311)
Geofluids, 2021 Conventional heavy oil has abundant reserves and low recovery efficiency in offshore oilfields. Autogenous heat technology uses 2-3 kinds of inorganic salt solution to produce inert gas and release a lot of heat under the action of a catalyst.
Yanping Sun +6 more
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International Journal of Coal Science & Technology, 2021 The rock uniaxial compressive strength (UCS) is the basic parameter for support designs in underground engineering. In particular, the rock UCS should be obtained rapidly for underground engineering with complex geological conditions, such as soft rock ...
Hong-ke Gao +5 more
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Dynamiques environnementales, 2015 In the epic search for a Northwest Passage, the narratives of explorers often described the Arctic landscape as picturesque or sublime, depending on the place, the circumstances, and the seasons. Ships that carried those intrepid explorers through this new world had ominous names such as the Terror and Erebus, that dark place between Earth and Hell. As
openaire +2 more sources
Energies, 2023 The exploration and development of new hydrocarbon deposits face increasing challenges, primarily driven by the shift away from hydrocarbons towards renewable energy sources like shallow geothermal deposits, wind farms, and photovoltaics.
Przemyslaw Toczek +3 more
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Organic-rich shale in Lianggaoshan Formation: study on macroscopic and microscopic mechanical properties and mechanism of influencing factors [PDF]
Oil ShaleThis study investigates the mechanical properties of organic-rich shale from the Lianggaoshan Formation using uniaxial and triaxial tests, nanoindentation, and atomic force microscopy. Key parameters such as elastic modulus and hardness are analyzed with
Yangbing Li +7 more
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An experimental study on the CO2/sand dry-frac process
Natural Gas Industry B, 2014 The CO2/sand dry-frac process is a waterless fracturing technology in which CO2 instead of water is used as fracturing fluid. The application of the technology abroad (in the USA and Canada) shows that it works well in stimulating low-pressure, low ...
Song Zhenyun +8 more
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Zuanjingye yu wanjingyeThe exploration and development of deep coalbed methane have opened up a new field of developing resources in new formations in the Ordos Basin, ensuring the steady growth of the oil and gas equivalent of the Changqing oilfield.
Mingming ZHU +6 more
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Molecules, 2021 Ultrafast laser drilling has been proven to effectively reduce the heat-affected zone (HAZ) of carbon fiber-reinforced polymer (CFRP) composites. However, previous research mainly focused on the effects of picosecond laser parameters on CFRP drilling ...
Hao Jiang +3 more
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Magnetic Interference Correction Method for Dynamic Measurement of Steering Head and Its Application
Shiyou jixieDuring the operation of the rotary steering system， the magnetic interference faced by the steering head when performing dynamic measurement tasks mainly comes from two aspects： one is the magnetic influence of the internal current fluctuation of the M30
Zhu Jinsong +6 more
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Development and Application of Drilling Shock Absorption and Stabilization Tool
Shiyou jixieDuring drilling in medium to deep strata， the complexity and poor drillability of these formations may lead to buckling and jumping of drilling tool， resonance fatigue of drill string， and low drilling efficiency.
Guan Yanlei +6 more
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