Method and system for detecting conditions inside a wellbore

Embodiments of methods and systems for detecting conditions inside a wellbore according to the invention are disclosed. One embodiment of the invention of the system includes a pipe (150) that is configured to rotate in a wellbore (140). A first detector (120) is located near the surface and is conf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHRISTOPHER M BILBY, WILSON CRAIG BARNETT, JEAN MICHEL BEIQUE
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	Embodiments of methods and systems for detecting conditions inside a wellbore according to the invention are disclosed. One embodiment of the invention of the system includes a pipe (150) that is configured to rotate in a wellbore (140). A first detector (120) is located near the surface and is configured to measure a first parameter that correlates to rotation of the pipe (150). A second detector (160C) is located at a first depth away from the surface and is configured to measure a second parameter that correlates to rotation of the pipe (150). A circuit (130) is coupled to the first detector (120) and the second detector (160C) and is configured to compare the first and second parameters.