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Medium Formation TCI Tricone Bit / Jetted Bit With Extra Gauge Protection

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FLRT Bit

Medium Formation TCI Tricone Bit / Jetted Bit With Extra Gauge Protection

Country/Region	china
City & Province	beijing beijing

Product Details

13 1/2" FSA437G , TCI Bit , TRC Bit , Jetted Bit , Hard Facing on Shirtail , Extra Gauge Protection

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

Types & IADC Code		117	127	437 447	517 527	537 547	617 627	637
WOB	KN/mm(Bit Dia.)	0.35~0.8	0.35~0.9	0.35~0.9	0.35~1.0	0.45~0.95	0.45~1.1	0.5~1.1
WOB	Lb/in. (Bit Dia.)	2000~4271	2000~5142	2000~5142	2000~5714	2571~5714	2571~6285	2857~6285
Rotation Speed (Rpm)		240~80	240~70	240~70	220~60	220~50	200~50	180~40

Medium formation TCI tricone bits:

The medium formation TCI tricone bits features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard for mations. The HSN rubber O-ring provides adequate sealing for bearing durability.

TCI (TUNGSTEN CARBIDE INSERT) BITS

IADC 4 SERIES DRILL BITS 4XX
These bits are used to drill low compressive strength, very soft formations. The bits maximize the use of both conical and chisel inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit balling in sticky formations.

IADC 5 SERIES DRILL BITS 5XX
These bits are used to drill low compressive strength, soft to medium soft formations. Drill bit design features are used to enhance bit penetration rates. Some reduction in cone offset and insert projection is used to improve cutter durability. Insert numbers and pitch is controlled to prevent tracking.

IADC 6 SERIES DRILL BITS 6XX
These bits are used to drill high-compressive strength, medium hard formations. A small amount of cone offset and low insert projection is used to prevent cutting structure damage when hard streaks are encountered. Increased numbers of blunter, smaller diameter inserts are used to increase life in harder, more abrasive formations.