News

PDC bit selection depends on matching cutter size, shape, back rake, blade count, and hydraulic design to formation hardness and abrasivity. For soft, clay-rich formations, use large cutters with low ...

Matrix body PDC bits are made from a tungsten carbide composite, while steel body PDC bits use a steel alloy. The choice between them revolves around formation abrasiveness, repairability, and cost. F...

Selecting a downhole motor involves balancing outer diameter (OD), bend angle, and flow rate to match the wellbore geometry, steering requirements, and hydraulic power available. By using a structured...

Discover how to select the best tricone bit for granite drilling. Expert advice on TCI selection, bearing types, and maximizing ROP in hard rock formations.

Learn how to choose between Steel Tooth and TCI Tricone bits. Expert guide on formation suitability, ROP optimization, and cost-per-foot analysis by GREAT.

A tricone drill bit is one of the most widely used drilling tools in oil and gas exploration, water well construction, mining, geothermal projects, and foundation drilling. Known for its versat...

Master steel tooth tricone bit selection for drilling efficiency. Expert guide covering formation compatibility, wear analysis, and operational best practices.

Master TCI Tricone bit selection for maximum ROP and durability. Expert guide for oil, gas, and mining engineers to optimize drilling costs per foot.

Recently, the high-performance 17 1/2" PDC drill bit manufactured by Cangzhou Great Drill Bits Co. Ltd. provided powerful support to the BHZ80002 drilling team at the Yantan 1 risk exploration we...

IntroductionWhen it comes to precision machining, selecting the right reamer is crucial for achieving the perfect hole dimensions and surface finish. Whether you are a professional machinist or a DIY ...

PDC bit is the abbreviation of Polycrystalline diamond compact bit, also known as Polycrystalline diamond cutting block bit or composite chip bit.

Safety is no small matter, and prevention is key. To strengthen the fire safety awareness of all employees and temper emergency response capabilities, Cangzhou Great Drill Bits recently organized a co...

Great Group Successfully Completes Massive Order for 3,000 Tricone Drill Bits Ever since the mobilization meeting on December 9, 2025, which launched the "Two-Month Delivery of 3,000 Tricone Dril...

On the morning of February 4th, four representatives from Great Group—Vice General Managers Shen Zhiqiang, Li Chunyan, Zhang Wei, and Technical Engineer Yuan Wentao—attended the Hejian Municipal Wor...

IntroductionThe tricone drill bit remains one of the most widely used drilling tools in oil & gas, water well, mining, and geothermal applications. Its versatility, adaptability to different forma...