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Borehole geophysical logging for water-resources investigations in Pennsylvania

Fact Sheet 218-95

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Abstract

Borehole geophysical logging is a procedure to collect and transmit specific information about the geologic formations penetrated by a well by raising and lowering a set of probes or sondes that contain water-tight instruments in the well. The data collected can be used to determine general formation geology, fracture distribution, vertical borehole flow, and water-yielding capabilities.

Suggested Citation

Conger, R.W., 1996, Borehole geophysical logging for water-resources investigations in Pennsylvania:U.S. Geological Survey Fact Sheet 1995–0218, 4 p., https://pubs.er.usgs.gov/publication/fs21895.

ISSN: 2327-6932 (online)

Study Area

Table of Contents

  • What is Borehole Geophysical Logging?
  • Why Log A Well?
  • How Do Well Logs Provide Useful Information?
  • What Types of Geophysical Logs Are Collected by the U.S. Geological Survey
    in Pennsylvania?
  • How Are Well-Log Data Stored?
  • Summary
  • Refrences Cited

Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Borehole geophysical logging for water-resources investigations in Pennsylvania
Series title:
Fact Sheet
Series number:
218-95
Year Published:
1996
Language:
English
Publisher:
U.S. Geological Survey
Publisher location:
Reston, VA
Contributing office(s):
Pennsylvania Water Science Center
Description:
4 p.
Country:
United States
State:
Pennsylvania