RETRIEVABLE PRE-MILLED WINDOW WITH DEFLECTOR

• Main Authors: GLASER, MARK C, RYAN, MARK, DELGADO, STEVE R, DURST, DOUG, JOHNSON, MIKE, RODGERS, KEN DALE
• Format: Patent
• Language: English; French
• Published: 02.07.2004
• Edition: 7
• Subjects: 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

The present invention generally relates to an apparatus for drilling one or more holes at an angle to a wellbore. In one embodiment, the apparatus includes a tubular housing defining one or more openings. Each opening is configured to provide an exit through which a drilling assembly drills to form...