Horizontal well fracturing mode of "increasing net pressure, promoting network fracture and keeping conductivity" for the stimulation of deep shale gas reservoirs: A case study of the Dingshan area in SE Sichuan Basin
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DOI: 10.1016/j.ngib.2019.02.005
Abstract: Abstract The deep shale gas reservoirs of Upper Ordovician Wufeng–Lower Silurian Longmaxi Formation in the Dingshan area of the southeastern Sichuan Basin have a great burial depth and complicated geologic features, so the fracturing technologies… read more here.
Keywords: gas reservoirs; gas; deep shale; dingshan area ... See more keywords
Poroelastoplastic Modeling of Complex Hydraulic-Fracture Development in Deep Shale Formations
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DOI: 10.2118/205357-pa
Abstract: In this paper, we propose a hydromechanical model to simulate hydraulic fracture propagation in deep shale formations. The Drucker-Prager plasticity theory, Darcy’s law, Reynolds lubrication theory, and Kirchoff’s laws are adopted to describe the plastic… read more here.
Keywords: deep shale; shale formations; fracture development; complex hydraulic ... See more keywords
Optimization of High Temperature-Resistant Modified Starch Polyamine Anti-Collapse Water-Based Drilling Fluid System for Deep Shale Reservoir
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DOI: 10.3390/molecules27248936
Abstract: During drilling in deep shale gas reservoirs, drilling fluid losses, hole wall collapses, and additional problems occur frequently due to the development of natural fractures in the shale formation, resulting in a high number of… read more here.
Keywords: drilling fluid; water; drilling; deep shale ... See more keywords