Cement bond logs - PetroWiki
2015年6月25日 · Acoustic logs do not measure cement quality directly, rather, this value is inferred from the degree of acoustic coupling of the cement to the casing and to the formation. …
Cement Bond Log Guide For Cementing Evaluation
2021年4月18日 · A cement bond log (CBL) measures the amplitude or attenuation of waves propagating axially along with a casing. The attenuation of the wave depends upon the …
Reasons for Bond Log • Bond logs are run to determine: – Cement to casing relationship – Cement to formation relationship – Evaluate cement conditions: • Channeling • Compromised …
cement bond logs FEBRUARY FACT SHEET 2017 Cement bond log tools (CBLs) have evolved over the years as technology and telecommunications have advanced. From the 1950s basic …
Cement Bond Log and Variable Density Results
2016年7月24日 · Using a cement bond log, a variable density log, and ultrasonic tools provides an indispensable (but different) set of evaluative data. The objective of cement bond logs like …
CEMENT BOND LOG INTERPRETATION - Bridge7
The Cement Bond Log (CBL) gives a continous measurement of the amplitude of sound pulses from a transmitter to receiver. This amplitude is maximum in unsupported pipe and minimum in …
A Practical Approach to the Interpretation of Cement Bond Logs …
The primary purpose for using cement bond logs in the oil industry is to determine the presence or absence of cement over certain depth intervals, and whether cement is bonded to the pipe, the …
Cement bond logging tools - SLB
Industry-standard sonic cement bond logging tools measure cement-to-casing and cement-to-formation bonds, displayed on a cement bond log (CBL).
cement bond log | Energy Glossary
cement bond log. 1. n. [Drilling] A representation of the integrity of the cement job, especially whether the cement is adhering solidly to the outside of the casing. The log is typically …
Cement Bond Logging; A Generational Review of Technologies & Log …
2023年10月2日 · Advancement in cement evaluation technologies, over the last 70 years, and our increased understanding of downhole conditions makes the case of an all-encompassing, …
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