... Abstract This study presents an approach to optimize the design of hydraulic fracture treatments in the low permeability area of the Lower Miocene sandstone reservoir in the Cuu Long Basin of Southern Vietnam. Six major design variables were influenced by the fracture length, which enhanced...

... Abstract The Xekaman 3 hydropower plant is located on the territory of Lao PDR and has a 6008m long headrace tunnel, a 1110m long penstock a, 520m gross head and installed capacity 250 MW. The headrace tunnel and the penstock area consist of sandstone, siltstone and microdiorite. The penstock...

... to go through the small hill at altitude of about 120m above sea level. Bedrock is a sedimentary rock (alternation of sandstone and conglomerate). Authors have detected incorrect at geotechnical investigation report and in situ analysis of intact rock. In situ intact rock have 2 fault system with grade...

... on the fracture toughness. Therefore, in this paper, three testing methods, chevron bend (CB) test, semi-circular bend (SCB) test and straight notched disk bending (SNDB) test, were performed using Kimachi sandstone in order to evaluate the mode I fracture toughness. The CB specimen is cylindrical shape with a V...

... the world largest man made rock caverns, the Gjøvik hall in Norway. hydraulic fracturing high-speed photograph dynamic fracture energy crack speed Reservoir Characterization growth toughness marble specimen Upstream Oil & Gas Loading Rate sandstone toughness crack initiation toughness...