A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Volume 20, Number 12. Unfinished Business. After losing the first three weeks of the 2018 Indiana outdoor open wheel calendar to the terrible trifecta of ten inches of snow, frigid temperatures, and relentless rain, one would think that the weather Gods would have given the racing fraternity a free pass for the remainder of the campaign.
Chapter 75 - Oil Exploration and Drilling EXPLORATION, DRILLING AND PRODUCTION OF OIL AND NATURAL GAS. Richard S. Kraus. General Profile. Crude oils and natural gases are mixtures of hydrocarbon molecules (organic compounds of carbon and hydrogen atoms) containing from 1 to 60 carbon atoms.
The Energy Division oversees oil and gas activities offshore Santa Barbara County and the onshore facilities that support those offshore operations and oil refineries, as well as renewable energy projects, including planning, policy development, permit processing, environmental review and risk analyses, permit enforcement and public outreach.