ASTM D6167
Standard Guide for Conducting Borehole Geophysical Logging: Mechanical Caliper
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- Language: English
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About This Item
ASTM D6167 is the ASTM standard guide for conducting borehole geophysical logging with a mechanical caliper. It provides a technical framework for measuring borehole diameter and related hole conditions during logging operations, helping users obtain more consistent data from subsurface investigations. As a focused guide, it supports better interpretation of borehole conditions and more reliable logging results for geotechnical, environmental, and related field applications.
Purpose of ASTM D6167
The purpose of ASTM D6167 is to guide the use of mechanical caliper logging in boreholes so that measurements are gathered in a consistent and technically sound manner. The standard title indicates an emphasis on borehole geophysical logging, with the mechanical caliper as the specific tool or method. This makes the document useful for establishing common practices around measuring borehole size, identifying irregularities, and supporting dependable field records that can be compared across projects or investigations.
Common use cases of ASTM D6167
This guide is commonly used during borehole logging programs where accurate diameter measurements are needed to document borehole conditions. It may be applied in geotechnical site characterization, environmental subsurface work, or other projects that rely on borehole geophysical data. ASTM D6167 is especially relevant when a mechanical caliper is used as part of a logging workflow to check for changes in borehole geometry, support data interpretation, or confirm conditions before additional testing, sampling, or installation work.
Why ASTM D6167 matters
ASTM D6167 matters because borehole size and shape can affect logging quality, data interpretation, and follow-on field decisions. A clear guide helps improve consistency between operators, reduce uncertainty in measurements, and support more defensible project records. For procurement, quality control, and compliance-focused workflows, the standard offers a common reference for evaluating whether borehole caliper logging has been performed in a recognized and repeatable way. That can help reduce risk when project decisions depend on accurate subsurface information.
- Mechanical caliper borehole logging
- Borehole diameter measurement
- Geophysical logging consistency
- Field data interpretation support
- Subsurface investigation quality control
- Publication Date: 2019-05-31
- Publisher: ASTM
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