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Application filed by Becfield Horizontal DrillingfiledCriticalBecfield Horizontal Drilling
Publication of MY105678ApublicationCriticalpatent/MY105678A/en
A METHOD AND APPARATUS FOR DRILLING HIGHLY DEVIATED WELLS IS DISCLOSED. A DRILLING ASSEMBLY IS ATTACHED TO A DRILL STRING. THE DRILLING ASSEMBLY INCLUDES A BENT SUB, A PONY COLLAR ATTACHED TO THE BENT SUB, A MOTOR WITH A BENT HOUSING, AND A BIT. IMPROVED SURVEY COLLARS AND BITS ARE ALSO DISCLOSED.(FIG 1A)
MYPI90000406A1989-04-201990-03-15Horizontal drilling method and apparatus.
MY105678A
(en)