GJ Series Tricone bit Supplier from China manufacturer - Hejian DeYong Drilling Accessorries Factory

Price:	200.0~2000.0 USD
Payment Terms:	T/T
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Model No.: GJ

Production Capacity: 10000/year

Delivery Date: 15days

Means of Transport: Ocean

Packing: wooden parking

Brand Name: JZ

our factory mainly produce all kinds of bits ,including tricone bit ,PDc bit steel teeth bit ,welcome to visit our factory ,make cooperations.

GJ/GJT

METAL SEALED BIT WITH ROLLER BEATING

GJ/GJT series bit adopts metal seal with roller bearing ,which can drill stably with middle to low WOB and middle to high RPM,it is the ideal choice for higher part of well section.

The size range of GJ/GJT series bit is from8 1/2 to 17 1/2 inch, and IADC varies from 115 to 545.For example:17 1/2 GJT515GC.

MAIN STRUCTURE FEATURES

1.sizes of bearing journal and rollers are made larger by arranging the rollers in recesses in cone body.

2.All rubber compensator is used which can limit pressure differential and prevent drilling fluid from entering the lubrication system and this provides the bearing system with good assurance of lubrication.

3.Shirttail and head OD are hardfaced for enhanced gage protection. Center nozzle is equipped for bits of larger sizes.

4.For GJT,a row of inserts is added between gage row and heel row to trim borehole wall and protect cone shell.