Sonic Logging In Deviated Wellbores In the Presence of a Drill Collar

@inproceedings{Eckhardt2010SonicLI,
  title={Sonic Logging In Deviated Wellbores In the Presence of a Drill Collar},
  author={FJ. Eckhardt and Ergun Simsek},
  year={2010}
}
Acquiring sonic logs while drilling is far more challenging than acquiring sonic logs from a wireline tool, notably because of the higher noise level in the drilling environment. The presence of a drill collar in the form of a thick steel pipe motivates a different tool design strategy. In addition, interference of drilling noise with the formation signal requires new processing and inversion algorithms for estimating the formation compressional and shear slownesses. Generally, all wireline… CONTINUE READING

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