Abstract
First, the arrival time of formation wave in variable density logging is derived from acoustic data from open holes; then the energy of formation wave and case wave is determined by energy analysis method. Standardization of first and second interface in case holes is obtained from corresponding unit processing. At last, we got the cementing quality of first and second interface from the evaluation rules. Thus, the quantitative evaluation of AC-VDL logging is successfully realized.
| Original language | English |
|---|---|
| Pages (from-to) | 55-59+67 |
| Journal | Cejing Jishu/Well Logging Technology |
| Volume | 26 |
| Issue number | 1 |
| State | Published - 2002 |
Keywords
- Acoustic amplitude logging
- Cementation factor
- Cementing quality
- Quantitative evaluation energy analysis
- Variable density logging
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