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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 9 (1925)

Issue: 7. (October)

First Page: 1071

Last Page: 1088

Title: Calcium Chloride Waters from Certain Oil Fields in Ventura County, California

Author(s): F. S. Hudson, N. L. Taliaferro


While engaged in a detailed study of the South Mountain and Shiells' Canyon oil fields it was found that the chemical composition of the underground waters differs considerably from that of the usual California oil-field brines, in that calcium chloride, instead of sodium chloride, is the chief constituent. The fact that this difference in composition persists in the fields along the south side of Santa Clara River indicates that these underground waters had a different origin, or a somewhat different subsequent history, from the waters in other fields, both in Ventura County and other parts of the state. Although calcium chloride waters occur in other parts of the world they are far from a common type of oil-field brine, and they therefore seem to owe their origin to cer ain special conditions.

The purpose of the present paper is to give a brief account of the occurrence and character of these waters and to suggest their probable origin.

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