Abstract
Abstract The bottomhole pressure measurements acquired during well tests sometimes contain oscillating components associated with tides. When present in well test data, tidal pressure oscillations may mask reservoir related transient pressure behavior. Hence, from pressure transient analysis point of view the tidal signal is a parasitic feature that has to be identified and removed from the test pressure data. At the same time, the tidal signal itself depends on formation properties. For example, amplitude of tidal oscillations depends on formation compressibility. Therefore, identification of tidal signal in downhole pressure data provides a means for monitoring the reservoir compressibility changes associated with reservoir fluid movements and long-term production. Compared to the pressure variation during a well test, the amplitude of the tidal pressure signal is normally very small. This makes it very difficult to identify the tidal signal in the test pressure data. In this paper, we present a special algorithm for identification of tidal signal in downhole test pressure data.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
