MARINE DIVERTER SYSTEM

The disclosure relates to a system and method for determining whether a kick or loss has occurred from a well in real time, wherein the well has a marine diverter having a rotating control device. The marine diverter system may measure flow rate in real time of a drilling fluid entering the wellbore...

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Bibliographic Details
Main Authors RING, Lev, HANNEGAN, Don M
Format Patent
LanguageEnglish
French
German
Published 11.08.2021
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary:The disclosure relates to a system and method for determining whether a kick or loss has occurred from a well in real time, wherein the well has a marine diverter having a rotating control device. The marine diverter system may measure flow rate in real time of a drilling fluid entering the wellbore and provide a means of measuring flow rate of the drilling fluid out of the wellbore and riser. The marine diverter system may further determine displacement and velocity of displacement of rig heave motion in real time and use the foregoing steps, given a known internal diameter of the riser and a known external diameter of a drill pipe, and employing a drilling fluid volume balance equation: Volumetric flow rate ˆ’ in ˆ’ Volumetric flow rate ˆ’ out ˆ’ Change in riser annular Volume per unit time = X , to determine whether the kick or loss has occured in real time.
Bibliography:Application Number: EP20160171810