8 3/8" FA437GT , Oil Well , Drill Bit , Sealed Journal Bearing ,
TCI Tricone Bit
PRODUCT SPECIFICATIONGS
Bit Size : 8 3/8" ( 212.7 mm )
IADC : 437
SERIES : FA
Tooth type : ( TCI ) Tungsten Carbide Insert
Connection / Thread : 4 1/2" API REG PIN
Nozzle : Three jet (side) nozzles
Bit Weight : 43kgs
BIT USE GUIDE
- Select the applicable formation and parameters according to the
instructions.
- Carefully check the bits appearance and to check the bits threaded
end face,whether the serial number on the box and certificate.
- Selection of WOB and RPM should be within the limits of the
recommended parameters, higher WOB and RPM cannot be used
simultaneously.
- Bottom hole must be clean and bit must not be used for long section
reaming.
- Drilling process must operate smoothly, find that there is Bie jump
on abnormal phenomenon, should be timely analysis and take
effective measures
- The bit should be kept indoor with dry and well ventilated
conditions at 10-33℃ and kept from sunshine and rain.