5 7 8 inch hybrid roller cone drill bit

Brand Name:ROSCHEN

Model Number:1 2 1/4

Place of Origin:CHINA

...Hybrid Drill Bits 12 1/4 Inch Tricone Roller Bit for Oil and Gas Drilling 12 1/2" Hybrid PDC And Rolling Cone Bits This is a kind of combined with the advantages of rock bit and PDC bit drilling bit.New products, new technology, wide range of bit, made in China high cost performance. Description Description of PDC bit and roller cone bit PDC hybrid bit is a kind of combined with the advantages of rock bit and PDC bit drilling bit...

Brand Name:ENG

Model Number:9500

Place of Origin:China

Downhole Drilling Tools 9inch PDC and roller Hybride drill bit of Diamond Drilling Bit 1 . Descriptions: According to the International Association of Drilling Contractors (IADC), the Fixed-cutter bit classification composed of four characters that ...