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A common gamma-ray log records the total radiation and cannot distinguish between the radioactive elements, while a spectral gamma ray log (see below) can. For standard gamma-ray logs, the measured value of gamma-ray radiation is calculated from concentration of uranium in ppm, thorium in ppm, and potassium in weight percent: e.g., GR API = 8 ...
The gamma ray log is useful in holes drilled with air or with oil based muds, as these wells have no SP voltage. Even in water-based muds, the gamma ray and SP logs are often run together. They comprise a check on each other and can indicate unusual shale sections which may either not be radioactive, or may have an abnormal ionic chemistry.
The Spiller Farm Paleoindian Site, designated Site 4.13 by the Maine Archaeological Survey, is a prehistoric archaeological site in Wells, Maine.Located overlooking a stream on the Spiller Farm property on Branch Road, it is an extensive site at which a fine collection of stone artifacts has been found, dating to c. 8,000 BCE.
Gamma-ray measurement has the following applications: Well to well correlation: gamma-ray log fluctuates with changes in formation mineralogy. As such, gamma-ray logs from different wells within the same field or region can be very useful for correlation purposes, because similar formations show similar features.
The first gamma ray source to be discovered was the radioactive decay process called gamma decay. In this type of decay, an excited nucleus emits a gamma ray almost immediately upon formation. [note 1] Paul Villard, a French chemist and physicist, discovered gamma radiation in 1900, while studying radiation emitted from radium.
This map details how a developer hopes to build more than 100 new homes and about 40 new townhouses on currently wooded property behind the antiques shop at 502 Post Road in Wells, Maine.
Wells is on the southern coast of Maine, surrounded by Kennebunk to the northeast, Sanford to the northwest, North Berwick to the west, South Berwick to the southwest, and Ogunquit to the south. According to the United States Census Bureau , the town has a total area of 73.61 square miles (190.65 km 2 ), of which 57.55 square miles (149.05 km 2 ...
WELLS, Maine — A local man is facing a charge of attempted murder. Emanuel Diggs, 22, of Wells, was arrested Monday, Dec. 11, a day after the state issued a warrant for his arrest, the U.S ...