Sweep efficiency for hole cleaning

Systems, computer readable medium, program code, and methods are provided for monitoring micro-electro-mechanical ("MEM") devices removed from a wellbore by a fluid flow stream. The system can include a first MEM reader and a second MEM reader. The first MEM reader can be positionable near...

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Bibliographische Detailangaben
Hauptverfasser:	Rowe Mathew Dennis, Graves Walter Varney Andrew, Galliano Clinton Cheramie
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	Systems, computer readable medium, program code, and methods are provided for monitoring micro-electro-mechanical ("MEM") devices removed from a wellbore by a fluid flow stream. The system can include a first MEM reader and a second MEM reader. The first MEM reader can be positionable near the fluid flow stream for detecting MEM devices entering the wellbore in a fluid flow stream. The second MEM reader can be positionable near the fluid flow stream for detecting MEM devices exiting the wellbore in the fluid flow stream. The second MEM reader can detect MEM devices exiting the wellbore in a subsequent fluid flow stream. The system can further include a computing device for determining an amount and types of MEM devices remaining in the wellbore from the first fluid flow stream and an amount and types of MEM devices removed from the well-bore by the subsequent fluid flow stream.