Section 010. Definitions

In addition to the definitions found in Section 47-310, Idaho Code, the following apply: (7-1-25) 01. Act. The Idaho Oil and Gas Conservation Act, Title 47, Chapter 3, Idaho Code. (3-18-22) 02. Active Well. A permitted well used for production, disposal, or injection that is not idled for mor e than twenty-four (24) continuous months. (3-18-22) 03. Barrel. Forty-two (42) U. S. gallons at sixty (60) Degrees F at atmospheric pressure. (3-18-22) 04. Blowout. An unplanned sudden or violent escape of fluids from a well. (3-18-22) 05. Blowout Preventer. A casinghead control equipped with special gates or rams that can be close d and sealed around the drill pipe, or that otherwise completely closes the top of the casing. (3-18-22) 06. Casinghead. A metal flange attached to the top of the conductor pipe that is the primary interfac e for the diverter system during drilling out for surface casing. (3-18-22) 07. Common Source of Supply. The geographical area or horizon definitely separated from any othe r such area or horizon, and contains, or from competent evidence appears to contain, a common accumulation of oil o r gas or both. Any oil or gas field or part thereof which comprises and includes any area which is underlaid, or whic h from geological or other scientific data or experiments or from drilling operations or other evidence appears to b e underlaid by a common pool or accumulation of oil or gas or both oil and gas. (7-1-25) 08. Completion. An oil well is considered completed when the first new oil is produced throug h wellhead equipment into lease tanks from the ultimate producing interval after the production casing has been run. A gas well is considered completed when the well is capable of producing gas through wellhead equipment from th e ultimate producing zone after the production casing has been run. (3-18-22) 09. Conductor Pipe. The first and largest diameter string of casing to be installed in a well

h wellhead equipment into lease tanks from the ultimate producing interval after the production casing has been run. A gas well is considered completed when the well is capable of producing gas through wellhead equipment from th e ultimate producing zone after the production casing has been run. (3-18-22) 09. Conductor Pipe. The first and largest diameter string of casing to be installed in a well. Thi s casing extends from land surface to a depth great enough to keep surface waters from entering and loose earth fro m falling in the hole and to provide anchorage for the diverter system prior to setting surface casing. (3-18-22) 10. Cubic Foot of Gas. The volume of gas contained in one (1) cubic foot of space at a standard pressure base and a standard temperature base. The standard pressure base shall be fourteen and seventy-thre e hundredths (14.73) pounds per square inch absolute and the standard temperature base shall be sixty (60) Degrees F. (3-18-22) 11. Development. Any work that actively promotes bringing in production. (3-18-22) 12. Drilling Logs. The recorded description of the lithologic sequence encountered in drilling a well , and any electric, gamma ray, geophysical, or other logging done in the hole. (3-18-22) 13. Fresh Water, Fresh-water, or Freshwater. All surface waters and those ground waters that ar e used, or may be used in the future, for drinking water, agriculture, aquaculture, or industrial purposes other than oi l and gas development. The possibility of future use is based on hydrogeologic conditions, water quality, future lan d use activities, and social/economic considerations. (7-1-25) 14. Gas-Oil Ratio. The volume of gas produced in standard cubic feet to each barrel of oil o r condensate produced concurrently during any stated period. (3-18-22) 15. Gas Well. (3-18-22) a. A well that produces primarily natural gas; (3-18-22) b

possibility of future use is based on hydrogeologic conditions, water quality, future lan d use activities, and social/economic considerations. (7-1-25) 14. Gas-Oil Ratio. The volume of gas produced in standard cubic feet to each barrel of oil o r condensate produced concurrently during any stated period. (3-18-22) 15. Gas Well. (3-18-22) a. A well that produces primarily natural gas; (3-18-22) b. Any well capable of producing gas in commercial quantities and also producing oil from the sam e common source of supply but not in commercial quantities; or (3-18-22) c. Any well classed as a gas well by the Commission for any reason. (3-18-22) 16. Geophysical or Seismic Operations. Any geophysical method performed on the surface of th e land utilizing certain instruments operating under the laws of physics respecting vibration or sound to determine conditions below the surface of the earth that may contain oil or gas and is inclusive of, but not limited to, th e preliminary line survey, the acquisition of necessary permits, the selection and marking of shot-hole locations , necessary clearing of vegetation, shot-hole drilling, implantation of charge, placement of geophones, detonation an d backfill of shotholes, and vibroseis. (7-1-25) 17. Hydraulic Fracturing, Frac’ing, or Fracking. A method of stimulating or increasing th e recovery of hydrocarbons by perforating the production casing and injecting fluids or gels into the potential targe t reservoir at pressures greater than the existing fracture gradient in the target reservoir. (7-1-25) 18. Inactive Well. An unplugged well that has no reported production, disposal, injection, or othe r permitted activity for a period of greater than twenty-four (24) continuous months, and for which no extension ha s been granted. (3-18-22) 19. Intermediate Casing. The casing installed within the well to seal intermediate zones above th e anticipated bottom hole depth. The casing is generally set in place after the surface casing and before the productio n casing. (3-18-22) 20

njection, or othe r permitted activity for a period of greater than twenty-four (24) continuous months, and for which no extension ha s been granted. (3-18-22) 19. Intermediate Casing. The casing installed within the well to seal intermediate zones above th e anticipated bottom hole depth. The casing is generally set in place after the surface casing and before the productio n casing. (3-18-22) 20. Junk. Debris in a hole that impedes drilling or completion. (3-18-22) 21. Lease. A tract(s) of land that by virtue of an oil and gas lease, fee or mineral ownership, a drilling , pooling or other agreement, a rule, regulation or order of a governmental authority, or otherwise constitutes a singl e tract or leasehold estate for the purpose of the development or operation thereof for oil or gas or both. (3-18-22) 22. Mechanical Integrity Test (MIT). A test designed to determine if there is a significant leak in th e casing, tubing, or packer of a well. (7-1-25) 23. Oil Well. Any well capable of primarily producing oil in paying quantities, but not a gas well. (3-18-22) 24. Pit. Any excavated or constructed depression or reservoir used to contain reserve, drilling, wel l treatment, produced water, or other fluids at the drill site. This does not include enclosed, mobile, or portable tank s used to contain fluids. (3-18-22) 25. Pollution. Constituents of oil, gas, salt water, or other materials used in oil and gas extraction , occurring in fresh water supplies at levels that exceed the standards in IDAPA 58.01.02, “Water Quality Standards, ” and IDAPA 58.01.11, “Ground Water Quality Rules,” as the result of the drilling, casing, treating, operation or plugging of wells. (3-18-22) 26. Produced Water. Water that is produced along with oil or gas. (3-18-22) 27. Production Casing. The casing set across the reservoir interval and within which the primar y completion components are installed. (3-18-22) 28. Proppant. Sand or other materials used in hydraulic fracturing to prop open fractures. (3-18-22) 29. Release

lling, casing, treating, operation or plugging of wells. (3-18-22) 26. Produced Water. Water that is produced along with oil or gas. (3-18-22) 27. Production Casing. The casing set across the reservoir interval and within which the primar y completion components are installed. (3-18-22) 28. Proppant. Sand or other materials used in hydraulic fracturing to prop open fractures. (3-18-22) 29. Release. Any unauthorized spilling, leaking, emitting, discharging, escaping, leaching, o r disposing into soil, ground water, or surface water. (3-18-22) 30. Spud. To start the drilling process by removing rock, dirt, and other sedimentary material with th e drill bit by the drilling rig that is capable of drilling the well to the permitted total depth. (7-1-25) 31. Surface Casing. The first casing that is run and cemented in place after the conductor pipe t o anchor blow out prevention equipment and seal out freshwater zones. (7-1-25) 32. Surface Water. Rivers, streams, lakes, and springs when flowing in their natural channels. (3-18-22) 33. Systems Approach. The disclosure of chemical information by Chemical Abstracts Service (CAS ) name only, without disclosing component percentages or chemical relationships. (7-1-25) 34. Tank. A concrete, metal, or plastic stationary vessel used to contain fluids. (3-18-22) 35. Tank Battery. One (1) or more tanks that are connected to receive crude oil, condensate, o r produced waters from a well(s) and that serves as the point of collection and disbursement of oil or gas from a well(s). (3-18-22) 36. Tank Dike. An impermeable man-made structure constructed around a tank to contain leakag e from the tank. (3-18-22) 37. Tubing. Pipe used inside the production casing to convey oil or gas from the producing interval t o the surface. (3-18-22) 38. Volatile Organic Compound (VOC)

rs from a well(s) and that serves as the point of collection and disbursement of oil or gas from a well(s). (3-18-22) 36. Tank Dike. An impermeable man-made structure constructed around a tank to contain leakag e from the tank. (3-18-22) 37. Tubing. Pipe used inside the production casing to convey oil or gas from the producing interval t o the surface. (3-18-22) 38. Volatile Organic Compound (VOC). Organic chemical compounds whose composition makes i t possible for them to evaporate under normal indoor atmospheric conditions of sixty-eight (68) degrees F and a n absolute pressure of fourteen point seven (14.7) pounds per square inch (psi) atmospheric. (7-1-25) 39. Well Report. The written record progressively describing the strata, water, oil, or gas encountere d in drilling a well with such additional information as to give volumes, pressures, rate of fill-up, water depths, cavin g strata, casing record, etc., as is usually recorded in normal procedure of drilling; also, it includes electrica l radioactivity, or other similar logs run, lithologic description of all cores, and all drillstem tests, including depth- tested, cushion-used, time tool open, flowing and shut-in pressures and recoveries. (7-1-25) 40. Well Site. The areas that are directly disturbed during the drilling and subsequent operation of, o r affected by production facilities directly associated with, any oil well, gas well, or injection well, and its associated well pad. (3-18-22) 41. Well Treatment. Actions performed on a well to acidize, fracture, or stimulate the target reservoir. (3-18-22) 42. Wildcat Well. An exploratory well drilled in an area of unknown subsurface conditions. (3-18-22) 011. -- 029. (RESERVED)