BIT CONNECTOR

The drilling assembly includes an eccentric adjustable diameter blade stabilizer (30), having a housing (43) with a fixed stabilizer blade (32) an d a pair of adjustable stabilizer blades (34, 36), and a bi-center bit (20), having an eccentric reamer section (24) and a pilot bit (22), mounted on the...

Full description

Saved in:
Bibliographic Details
Main Authors RIOS-ALEMAN, DAVID E, ODELL, ALBERT C., II, EPPINK, JAY M
Format Patent
LanguageEnglish
French
Published 22.02.2001
Edition7
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
Online AccessGet full text

Cover

More Information
Summary:The drilling assembly includes an eccentric adjustable diameter blade stabilizer (30), having a housing (43) with a fixed stabilizer blade (32) an d a pair of adjustable stabilizer blades (34, 36), and a bi-center bit (20), having an eccentric reamer section (24) and a pilot bit (22), mounted on the eccentric stabilizer (30). The stabilizer (30) and bit (20) have an alignmen t mechanism (40) for aligning the fixed blade (32) with the reamer section (24 ). The alignment mechanism (40) includes an aperture (44) on the bit (20) which is aligned with an aperture (42) on the stabilizer (30) as the stabilizer (3 0) is made up on the bit (20). An alignment member (48) is received by the aligned apertures (42, 44) for maintaining the alignment.
Bibliography:Application Number: CA20002381528