Systems and Methods for Data Driven Parametric Correction of Acoustic Cement Evaluation Data

摘要

Systems, methods, and devices for evaluating proper cement installation in a well are provided. In one example, a method includes receiving acoustic cement evaluation data parameterized using a first parameterization. A subset of the acoustic cement evaluation data is compared to expected nominal values of the acoustic cement evaluation data. When the subset of the acoustic cement evaluation data does not substantially conform to the expected nominal values of the acoustic cement evaluation data, all or part of the acoustic cement evaluation data is corrected to cause the subset of the acoustic cement evaluation data to more closely match the expected nominal values of the acoustic cement evaluation data. The corrected acoustic cement evaluation data may be used to estimate a presence of solids, liquids, and/or gases behind the casing.

主权项

1. A method comprising:
receiving acoustic cement evaluation data into a data processing system, wherein the acoustic cement evaluation data has been obtained from an acoustic logging tool used in a well having a casing and wherein the acoustic cement evaluation data has been parameterized using a first parameterization; comparing a subset of the acoustic cement evaluation data to expected nominal values of the acoustic cement evaluation data; when the subset of the acoustic cement evaluation data does not substantially conform to the expected nominal values of the acoustic cement evaluation data, correcting all or part of the acoustic cement evaluation data to cause the subset of the acoustic cement evaluation data to more closely match the expected nominal values of the acoustic cement evaluation data; and using the corrected acoustic cement evaluation data to estimate a presence of solids, liquids, or gases, or any combination thereof, behind the casing.