9-6-1: DEFINITIONS:
The following terms used in this chapter are hereby defined to have the meanings set out below:
CIRCULATING MUD PITS: The working pit from which drilling muds are continuously recirculated during the drilling process into and from the drilling hole for the purpose of flushing from the drill bit, cuttings, and as a lubricant to reduce torque, drag, heat, friction and differential sticking during the drilling process.
DISPOSAL WELL: Any well drilled or actually used for injection of saltwater or other substances into the earth at a point other or different than the point of extraction or production thereof from the earth.
MUD: The drilling fluid used and recirculated through the drilling hole as a lubricant to reduce torque, drag, heat, friction and differential sticking and to flush drill bit cuttings from the hole during the drilling process.
MUD PROGRAM: The planned usage of drilling fluid lubricants, specifying with particularity the type, name and physical and chemical composition and characteristics of all ingredients thereof, together with such laboratory and other technical data as may be necessary or required by the building inspector to evaluate the same as pollutive, deleterious or otherwise.
OIL OR GAS WELL: Any well drilled, operated or maintained for the production of oil, gas, casinghead gas or any of them or their byproducts or derivatives.
RESERVE PIT: Any excavation, pit or receptacle designed or actually used to receive, store or hold rocks, drill bit cuttings, shale, sand, freshwater or drilling mud which contains no saltwater, oil, oil derivatives, caustics, acids or other deleterious substances harmful to soil, vegetation or injurious to animal or human life.
SLUSH PIT: Any excavation, pit or receptacle designed or actually used to receive, store or hold waste oil, oil derivatives, sand, saltwater or other waste products or deleterious substances produced or used in the drilling, swabbing, cleaning or reworking of any oil, gas or disposal well. (1991 Code § 14-1)