Drilling log definition

Drilling log means the recorded description of the lithologic sequence encountered while drilling a well.
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Drilling log means the written record progressively describing all strata, water, minerals, geothermal resources, pressures, rate of fill-up, fresh and salt water-bearing horizons and depths, caving strata, casing records and such other information as is usually recorded in the normal procedure of drilling. The term shall also include the downhole geophysical survey records or logs if any are made.
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Drilling log means a water or resource protection well re-
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More Definitions of Drilling log

Drilling log means a water or resource protection well report.
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Drilling log means the recorded description of the lithologic sequence encountered while drilling a well. ”Producing” describes a well that has commenced to produce a geothermal resource.
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Drilling log means the written record progressively describing all strata, water, minerals, geothermal resources, pressures, rate of fill-up, fresh and salt water-bearing horizons and depths, caving strata, casing records and such other information as is usually recorded in the normal procedure of
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Related to Drilling log

  • drilling means the act of boring a hole to reach a proposed bottom hole location through which oil or gas may be produced if encountered in paying quantities, and includes redrilling, sidetracking, deepening, or other means necessary to reach the proposed bottom hole location, testing, logging, plugging, and other operations necessary and incidental to the actual boring of the hole;

  • Deep well means a well located and constructed in such a manner that there is a continuous layer of low permeability soil or rock at least 5 feet thick located at least 25 feet below the normal ground surface and above the aquifer from which water is to be drawn.

  • Drilling operations means the drilling of an oil and gas well and the production and completion operations ensuing from the drilling which require entry upon the surface estate and which were commenced after June 30, 1979, and oil and gas geophysical and seismograph exploration activities commenced after June 30, 1983.

  • Drilling unit means the area fixed for the drilling of one well by order or rule of any state or federal body having authority. If a Drilling Unit is not fixed by any such rule or order, a Drilling Unit shall be the drilling unit as established by the pattern of drilling in the Contract Area unless fixed by express agreement of the Drilling Parties.

  • Gas well means a well producing gas or natural gas from a common source of gas supply as determined by the commission.