oil drill rock bit from China manufacturer - Hejianshi Tengda Petroleum Supplies Co.,Ltd

Price:	500.0~8000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Model No.: TFAT127

Production Capacity: 500pieces per month

Delivery Date: 7 days after deposit

Style: Others

oil drilling rock bit: buttion drill bit

size: 3-3/4''-26''

Means of Transport: Ocean,Land,Air

Packing: in wooden box or iron box

Type: Others

Brand Name: tengda

insert rock bit: rock bit

export market: global

1.Homework diameter size:12-1/4inch
2.Connection thread size:4-1/2
3.Cutting teeth specifications:1613
4.Certification:API

type	IADC Code	Applicable formation	Main characteristics of the bit	Recommended parameters
type	IADC Code	Applicable formation	Cutting structure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm)
TFAT127	127	Very soft with low compressive strength and high drillability,such as shale,clay,sanstone and conglomerate,etc.	Hardfaced gage and all tooth surfaces,the gage fitted with compacts for enhanced gage protection,and arow of trimmers is added between gage row and heel row.	0.45-1.05	220-80
TFA437	437	Very soft with low compressive strength and high drillability,such as shale,clay,sanstone and conglomerate,etc.	Large dia offset crested soop compacts in inner row,wedge compacts in outer row.	0.45-1.00	180-60
TFA447G	447	Soft with low compressive strength and high drillability,such as shale,clay,sandstone,soft limeston,salt bed and gypsolyte,etc.	Conical compacts in inner row,wedge compacts in outer row.	0.45-1.05	180-60
TFA517G	517	Soft with low compressive srngth and high drillability,such as shale,clay,sandstone and soft limestoe,etc,.	Large dia offset crested scoop compacts in inner row,wedge compacts in outer row.	0.50-1.05	180-60
TFA537G	537	Medium soft with low compreesive srength and harder abrasive stringers,such as hard shale,hard gypsolyte,soft limestone,sandstone,and dolomite,etc.	Offset crested scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangement.	0.50-1.07	180-60
TFAT617G	617	Medium hard with compressive srength and thick & hard stringers ,such as hard shale,limestone,and dolomite,etc.	Large radius scoop compacts in inner row,wedge compacts in outer row,inequable spaced compacts arragement, and a row of trimmers is added between gage row and heel row.	0.50-1.15	180-40
TFAT637G	637	Medium hard with high compressive srength and high abrasiveness,such as limestone, dolomite,sandstone and chert,etc.	Large radius scoop compacts in inner row,wedge compacts in outer row, and a row of trimmers is added between gage row and heel row.	0.70-1.20	180-40
TFAT737G	737	Haigh abrasive formations such as limestone,dolomite,chert and hard sandstone,etc	Large radius scoop compacts in inner row,wedge compacts in outer row,inequable spaced compacts arragement, and a row of trimmers is added between gage row and heel row.	0.70-1.30	180-40