Results 91 to 100 of about 64,179 (348)
Energy Science &Engineering, EarlyView.ABSTRACT The permeability of coal reservoirs is predominantly controlled by the present tectonic stress field. This study systematically integrates macro‐ and micro‐scale analytical methods to investigate the controlling mechanisms of tectonic stress on pore‐fracture characteristics and permeability in the Longtan Formation coal reservoirs.
Guoqing He +6 more
wiley +1 more source
Energy Science &Engineering, EarlyView.ABSTRACT Coal seam mining will inevitably cause damage to overlying rock structure, and then affect mine safety production, and even surface ecological environment. This study investigates two types of damaged sandstone samples, prepared through cyclic loading–unloading and uniaxial compression tests.
Zhaohan Zhang +7 more
wiley +1 more source
Comprehensive Evaluation of In‐Situ Stress Field in Ultra‐Deep Bedrock Gas Reservoirs
Energy Science &Engineering, EarlyView.Log interpretation results diagram of rock mechanical parameters for ultra‐deep bedrock in Well k1‐1. ABSTRACT Ultra‐deep bedrock gas exploration remains at a preliminary stage, where comprehensive in‐situ stress evaluation can provide crucial guidance for sweet spot prediction.
Houjiang Fan, Shuai Yin
wiley +1 more source
I.—Henry Clifton Sorby, and the Birth of Microscopical Petrology [PDF]
, 1908 John W. Judd
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Energy Science &Engineering, EarlyView.ABSTRACT Nuclear magnetic resonance (NMR), as an advanced non‐destructive and rapid measurement technology, has shown unique advantages in the evaluation of unconventional shale reservoirs. This paper systematically introduces the fundamental principles of NMR spectroscopy and relaxation theory in porous media and comprehensively analyzes the ...
Long Zhou +8 more
wiley +1 more source
Energy Science &Engineering, EarlyView.ABSTRACT It is difficult to control the mine pressure in the coal face under the close coal seam group. On the basis of the mining background of 4‐1#, 4‐2#, and 4‐3# coal seams in the I01 mining area of the Ningdong mining area, the fracture characteristics and evolution law of the overburden structure under the close coal group are studied.
Shilin Song +5 more
wiley +1 more source
Comparative Study of 2D Petrographic and 3D X-ray Tomography Investigations of Air Voids in Asphalt. [PDF]
Materials (Basel), 2023 Middendorf M +4 more
europepmc +1 more source