The collapse stress and fracture strain for shale–sandstone have been computed throughout various elastic modulus and Poisson’s ratios to determine the Harmless density window. Lamellar shale oil reservoirs establish millimeter-to-centimeter-scale siltstone and mud shale complexes with lamellar structures, which might be the key progress targets right after 2030. The https://matters.town/a/g3oco3ormzdg