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Title: Declining well yields related to depth in fractured rocks - Use of an exponential equation

Abstract

In southwestern Nevada County, where most wells are drilled into granitic or metamorphic rocks, well yields were found to decrease with increasing well depth. Data from that report indicated that declining well yields in the area probably could be approximated by an exponential equation. The purpose of this report is to demonstrate that an exponential equation can be used to approximate declining well yields related to depth in hard-rock areas of granitic and metamorphic rocks in the western foothills of the Sierra Nevada. The scope includes applying this equation to data from southwestern Nevada County, California.

Authors:
 [1]
  1. California State Water Resources Control Board, Sacramento (United States)
Publication Date:
OSTI Identifier:
6520090
Resource Type:
Journal Article
Journal Name:
Bulletin of the Association of Engineering Geologists; (United States)
Additional Journal Information:
Journal Volume: 30:1; Journal ID: ISSN 0004-5691
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; 54 ENVIRONMENTAL SCIENCES; GROUND WATER; FLOW MODELS; WATER WELLS; PRODUCTION; WATER INFLUX; CALIFORNIA; CRETACEOUS PERIOD; EQUATIONS; GEOLOGIC FRACTURES; GRANITES; JURASSIC PERIOD; METAMORPHIC ROCKS; DEVELOPED COUNTRIES; GEOLOGIC AGES; GEOLOGIC STRUCTURES; HYDROGEN COMPOUNDS; IGNEOUS ROCKS; MATHEMATICAL MODELS; MESOZOIC ERA; NORTH AMERICA; OXYGEN COMPOUNDS; PLUTONIC ROCKS; ROCKS; USA; WATER; WELLS; 580000* - Geosciences; 540250 - Environment, Terrestrial- Site Resource & Use Studies- (1990-)

Citation Formats

Page, R W. Declining well yields related to depth in fractured rocks - Use of an exponential equation. United States: N. p., 1993. Web.
Page, R W. Declining well yields related to depth in fractured rocks - Use of an exponential equation. United States.
Page, R W. 1993. "Declining well yields related to depth in fractured rocks - Use of an exponential equation". United States.
@article{osti_6520090,
title = {Declining well yields related to depth in fractured rocks - Use of an exponential equation},
author = {Page, R W},
abstractNote = {In southwestern Nevada County, where most wells are drilled into granitic or metamorphic rocks, well yields were found to decrease with increasing well depth. Data from that report indicated that declining well yields in the area probably could be approximated by an exponential equation. The purpose of this report is to demonstrate that an exponential equation can be used to approximate declining well yields related to depth in hard-rock areas of granitic and metamorphic rocks in the western foothills of the Sierra Nevada. The scope includes applying this equation to data from southwestern Nevada County, California.},
doi = {},
url = {https://www.osti.gov/biblio/6520090}, journal = {Bulletin of the Association of Engineering Geologists; (United States)},
issn = {0004-5691},
number = ,
volume = 30:1,
place = {United States},
year = {Mon Mar 01 00:00:00 EST 1993},
month = {Mon Mar 01 00:00:00 EST 1993}
}