Equinor ASA
Formation testing
Last updated:
Abstract:
Formation testing which may involve circulating mud in a pipe string from a mud pit through a port in the pipe string to a downhole diverter sub, wherein the pipe string is suspended in a wellbore extending into a subterranean formation, operating a downhole pump to pump formation fluid from the formation, wherein the formation fluid comprises gas, and mixing the pumped formation fluid with circulated mud such that a proportion of the pumped formation gas in the circulated mud is maintained below a threshold value.
Status:
Grant
Type:
Utility
Filling date:
5 Oct 2018
Issue date:
14 Jul 2020