Systems and methods for automated filtering and normalization of logging data for improved drilling performance may enable smoothing and amplitude scaling of log data for meaningful comparison and analysis without scaling artefacts. The logging data may be collected from downhole sensors or may be recorded by a control system used for drilling. A computer implemented method may enable industrial scale automated filtering and normalization of logging data, including calibration to a known standard. In particular, the filtering and normalization may be used for stratigraphic analysis to correlate true vertical depth to measured depth along a wellbore.
Steering A Wellbore Using Stratigraphic Misfit Heat Maps
- Denver CO, US Stefan Maus - Boulder CO, US Kenneth Robert McCarthy - Lakewood CO, US Alexander Michael Mitkus - Denver CO, US Jin Sun - Denver CO, US
International Classification:
E21B 41/00 E21B 43/30 E21B 47/06
Abstract:
Systems and methods for using stratigraphic heat maps to steer a well being drilled. Data from one or more offset wells can be provided to a computer system and used with data from a well being drilled to generate one or more stratigraphic heat maps during the drilling of the subject well. The stratigraphic heat maps can be displayed and used to determine the location of the wellbore relative to one or more geological formations, including one or more target formations or within a target formation. Based on the use of the heat maps and the location of the wellbore relative to a target, the drill plan can be adjusted or updated and/or one or more drilling parameters or operations may be adjusted to drill the wellbore, such as to drill the wellbore to the target or to maximize the length of the wellbore within a target zone.
David Loxsom, Dee James, G Mitchell, Claire Curtin, Lori Brown, James Conte, Joanne Lemieux, Charles Campbell, Janice Gallagher, Brenda Cardente, Kathleen Currier