aparelho para uso em furo de poço, e método de controlar atuação de uma ferramenta em uma coluna de ferramenta lançada em um furo de poço

aparelho para uso em furo de poço, e método de controlar atuação de uma ferramenta em uma coluna de ferramenta lançada em um furo de poço

An apparatus for use in a wellbore includes a tool string and a plurality of sensors, which include at least a first sensor to detect pressure signals in an inner conduit of the tool string and at least a second sensor to detect pressure signals in an annulus outside the tool string. A controller ac...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Lang Zhan, David Merlau, Jim B. Benton, Dhandayuthapani Kannan
Format: Patent
Sprache:por
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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Beschreibung
Zusammenfassung:An apparatus for use in a wellbore includes a tool string and a plurality of sensors, which include at least a first sensor to detect pressure signals in an inner conduit of the tool string and at least a second sensor to detect pressure signals in an annulus outside the tool string. A controller actuates a tool in the tool string in response to a logical combination of outputs from the sensors, where the outputs of the sensors are responsive to the respective pressure signals.