Mining activities mainly deal with the excavation of raw material from earth’s crust. The sources of particulate matter (PM) emission in opencast coal mines include blasting and drilling operations, coal handling plant operation, loading and transport of overburden and coal by shovel-dumper combination, crushing, conveying and handling of overburden by draglines, and vehicular emission from unp...

Reservoir simulations are used to forecast the long-term gas production from hydrate reservoirs. In present work, we explore different well placements and configurations analyze strategy for an oceanic, unconfined, class-2, reservoir using in-house three-dimensional finite volume simulator. past, depressurization in unconfined class-2 reservoirs, isolation of aquifer zone by placement is sugges...

Studi geomekanika memiliki peran yang vital di industri Petroleum, terutama untuk perencanaan kegiatan pemboran dan hydraulic fracturing; dalam hal ini adalah overburden stress (tegasan vertikal) mengontrol inisiasi saat perekahan hidrolik dilakukan, tegasan minimum horizontal serta maximum dapat menentukan arah patahan dimulai kemana tersebut merambat. tugas akhir bertujuan melakukan evaluasi ...

Overburden strata fracture evolution is critical to dynamic disaster prevention and gas-relief drainage, so it important accurately determine the relationships with mining disturbance. In this paper, experiments numerical simulation were adopted jointly characterize time-varying area of overlying strata. The experimental results showed that roof gradually broke collapsed coal mining, which indi...