BIT-RUN NOMINAL SEAT PROTECTOR AND METHOD OF OPERATING SAME

BIT-RUN NOMINAL SEAT PROTECTOR AND METHOD OF OPERATING SAME

A drilling system employs a set of bushings 30, 32, 34 that protect seats 14, 20, 24 used for casing hangers. The system includes one or more seat protectors 30, 32, 34 that attach to a running tool 52. The running tool 52 is lowered down the wellbore with the seat protectors 30, 32, 34 attached and...

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Bibliographische Detailangaben
Hauptverfasser: MINASSIAN, MARC, FORD, DAVID L, EPPINGHAUS, GUILHERME
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A drilling system employs a set of bushings 30, 32, 34 that protect seats 14, 20, 24 used for casing hangers. The system includes one or more seat protectors 30, 32, 34 that attach to a running tool 52. The running tool 52 is lowered down the wellbore with the seat protectors 30, 32, 34 attached and deposits a bushing at each surface to be protected. The running tool 52 may retrieve the bushings 30, 32, 34 as the running tool 52 is withdrawn from the wellbore. [Figure.4]