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9 5/8"(244.5mm) Hard Formations TCI Tricone Bit IADC637G
Tricone Bits - 9 5/8''
|Cone Size||9 5/8"|
|Bearing Type||Elastomer Sealed Bearing|
|Circulation Type||Mud Fluid|
|Thread Connection||6 5/8 Reg Pin|
|Application||Hard formation with high compressive
strength ,such as sandstone,hard shale,
dolomite,hard gypsum,chert, granite,etc.
1>9 5/8"(244.5mm) is a special size in well drilling, as 9 1/2"(241.3mm) and 9 7/8"(250.8mm) are regular and similar sizes. Drillers always use 9 5/8" diameter tricone drill bits to get a special diameter to install casing.
2>IADC637G tricone drill bit is suitable for drilling very hard rocks like dolomite, granite, chert, etc. The bearing is journal sealed with gauge protection at heel of cones. The feature code "G" means Enhanced TCI protection on shirttail of arms.
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