API Factory High Quality 8-1/2 Steel Body Coring Bit PDC Coring Drill Bit Oil and Gas

• Customized: Customized
• Standard: API
• Length: Taper-length
• Model NO.: 8 1/2"
• Type: Twist Drill Bit
• Material: Solid Carbide
• Usage: Well Drilling
• Color: Customized
• Transport Package: Wooden Box
• Specification: Customized
• Trademark: Feilong
• Origin: China
• HS Code: 843143
• Production Capacity: 100000

Product Description

Recommended Drilling Parameters for Application

Bit Specification												Recommended Operation Parameters
Size	No. of blades		Size of cutters		No. of Nozzles		Gauge Length		Connection			Rotation Speed		Weight on Bit		Flow Rate
inch		pcs		mm		pcs		Inch		API (REG)	RPM		KN		L / S
6"		7		16		4-7		2-3		3 1/2	60-350		20-100		20-30
8 1/2"		7		16		5-7		2-3		4 1/2	60-350		25-120		25-38
9 1/2"		7		16		5-7		2-3		6 5/8	60-350		25-120		30-40
12 1/4"		7		16		5-7		2-4		6 5/8	60-350		30-140		40-60
16"		7		16		6-8		2-4		7 5/8	60-300		30-200		40-70
17 1/2"		7		16		7-10		2-4		7 5/8	60-300		30-200		40-70