Active Member
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[China]
Address: room 403，building 6,dongsan road,dongying city
Contact name:rectina
Dongying Safe Petroleum Technology Co,.Ltd |
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Product Description
HJ/HJT Series Tricone Bit Diameter from 7 7/8-17 1/2 inch,IADC Code
from 437 to 547
Cutting Structure
Enhancing the wear-resistance of cutting tooth by welding new type
of wear resistant material on the tooth surface of steel tooth bit.
Reinforcing the comprehensive mechanical properties of cutting
tooth by using high quality tungsten carbide inserts of new formula
and new techniques of insert bit.
Bearing Structure
High precision journal bearing with two thrust faces. Ball locked
cone. Hardfaced head bearing surface. Cone bearing inlaid with
friction reducing alloy and then silver-plated. Abrasion resistance
and seizure resistance of the bearing are improved, and suitable
for high rotary speed.
Seal and Lubrication
The advanced metal seal package is composed by two metal seals and
two elastic rubber energiners. The energizer and back-up ring will
support the pushing force to make the two metal faces tightly
contact. In the drilling, the metal seals are relevant moving, and
the energizers are static. This will increase the bearing seal
reliability and durability. The compensation system and the high
quality bit grease can limit pressure differential, and greatly
increase the lubricating reliability.
Product Predominance
It is applicable for downhole motor and high speed rotary
applicatio
Product Details
Production picture
