APPARATUS FOR DRILLING A WELLBORE USING CASING

Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the mot...

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Bibliographische Detailangaben
Hauptverfasser:	BEASLEY, William, M, GALLOWAY, Gregory, G, SWARR, James, C, LIRETTE, Brent, J, GIROUX, Richard L, LE, Tuong Thanh, NAZZAL, Gregory, R, TERRY, Jim, MCKAY, David, JACKSON, Raymond, H, BRUNNERT, David, J, ALKHATIB, Samir, ODELL, Albert, C, WARDLEY, Mike
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.