American Borate Company The Billie Mine utilized long-hole stoping with backfilling to extract borate. This mining method resulted in the creation of tall, narrow pillars which were critical to the stability of the mine. AAI was involved in the development of the mine plan and identification of the optimum pillar width. Pillar widths were selected [...]
Mine Reclamation
Engineering Support for Start-up of Large Underground Coal Operation—Trinidad, Colorado Starting in 2009 and continuing into 2011, Agapito Associates, Inc. has provided most of the mining engineering services required to bring this large underground, multi-seam coal mining operation into production. At full production, the New Elk Coal Company mining complex is scheduled to produce over [...]
ExxonMobil—Upstream Research Company Since 2007, AAI has mobilized drilling equipment to the Upstream Research Company’s (URC) Colony Mine ten times for a variety of tasks. Core drilling underground has been done with AW, BW44, BQ, HQ3, and 6-inch-thin kerf coring tools. Core drilling from the surface has been done with HQ3 and HX coring tools. [...]
Longwall Optimization In 1997, AAI conducted three studies for West Ridge prior to mine development. The first study addressed longwall panel orientation based on local fracture mapping, conducted by AAI, and a review of local and regional geologic data. The second report dealt with preliminary gateroad design and pillar sizing. The third report described mine [...]
