SEABED WELL INFLUX CONTROL SYSTEM

APPARATUSES (100,200,300) USEABLE IN AN OFFSHORE DRILLING INSTALLATION CLOSE TO THE SEABED (110) FOR CONTROLLING WELL INFLUX WITHIN A WELLBORE ARE PROVIDED. AN APPARATUS (100,200,300) INCLUDES A CENTRALIZER AND FLOW CONSTRICTOR ASSEMBLY (128,228), A SENSOR (154) AND A CONTROLLER. THE CENTRALIZER AND...

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Bibliographische Detailangaben
Hauptverfasser:	MANRUSIAK, GARY DWAYNE, JUDGE, ROBERT ARNOLD, BATZINGER, THOMAS JAMES, WOLFE, CHRISTOPHER EDWARD, GHASRIPOOR, FARSHAD
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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Zusammenfassung:	APPARATUSES (100,200,300) USEABLE IN AN OFFSHORE DRILLING INSTALLATION CLOSE TO THE SEABED (110) FOR CONTROLLING WELL INFLUX WITHIN A WELLBORE ARE PROVIDED. AN APPARATUS (100,200,300) INCLUDES A CENTRALIZER AND FLOW CONSTRICTOR ASSEMBLY (128,228), A SENSOR (154) AND A CONTROLLER. THE CENTRALIZER AND FLOW CONSTRICTOR ASSEMBLY (128,228) ARE CONFIGURED TO CENTRALIZE A DRILL STRING (112) WITHIN A DRILL RISER (106) AND REGULATE A RETURN MUD FLOW (118). THE SENSOR (154) IS LOCATED CLOSE TO THE CENTRALIZER AND FLOW CONSTRICTOR ASSEMBLY (128,228) AND CONFIGURED TO ACQUIRE VALUES OF AT LEAST ONE PARAMETER RELATED TO THE RETURN MUD FLOW (118). THE CONTROLLER IS COUPLED TO THE CENTRALIZER AND FLOW CONSTRICTOR ASSEMBLY (128,228) AND THE SENSOR (154). THE CONTROLLER IS CONFIGURED TO CONTROL THE CENTRALIZER AND FLOW CONSTRICTOR ASSEMBLY (128,228) TO ACHIEVE A VALUE OF A CONTROL PARAMETER CLOSE TO A PREDETERMINED VALUE, BASED ON THE VALUES ACQUIRED BY THE SENSOR (154).