Method of planning and/or performing an offshore well operation

Method of planning and/or performing an offshore well operation

Discloses a method for predicting the effect of heave on offshore well operations performed from a floating offshore structure comprising providing heave motion data 30 for said structure to a processing module 12, running a well operation simulation model 20 on said processing module using heave mo...

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Hauptverfasser: Dmitri Gorski, Ole Morten Aamo, Martin Kvernland, Sigbjorn Sangesland
Format: Patent
Sprache:eng
Schlagworte:
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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creator Dmitri Gorski
Ole Morten Aamo
Martin Kvernland
Sigbjorn Sangesland
description Discloses a method for predicting the effect of heave on offshore well operations performed from a floating offshore structure comprising providing heave motion data 30 for said structure to a processing module 12, running a well operation simulation model 20 on said processing module using heave motion data, calculating a wellbore pressure 24 using said model and comparing 26 said pressure to a pressure margin for the well to determine a risk associated with the operation. The calculated wellbore pressure may be compared with at least one pressure margin for the subsea well to determine a risk associated with the well operation. Updated or real-time wave or weather data may be used to calculate the effects of heave motion on wellbore pressure.
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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
title Method of planning and/or performing an offshore well operation
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