oil drilling rock bits from China manufacturer - Hejianshi Tengda Petroleum Supplies Co.,Ltd

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


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Product Detail

Model No.: THJT137

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

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

Bit type	IADC Code	Applicable formation	Main characteristics of the bit	Recommended parameters
Bit type	IADC Code	Applicable formation	Cutting structure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm)
THJT117	117	Very soft with low compressive strength and high drillability, such as soft shale,clay,salt bed etc.	Hardfaced gage and all tooth surfaces,and the gage fitted with compacts for enhanced gage protection. And a row of trimmers is added between gage row and heel row.	0.30-0.90	300-80
THJT127	127	Soft with low compressive strength and high drillability.such as shale.clay salt bed and soft limestone,etc.	Hardfaced gage and all tooth surfaces,and the gage fitted with compacts for enhanced gage protection. And a row of trimmers is added between gage row and heel row.	0.50-1.05	300-80
THJT137	137	Soft to medium soft with low compressive strength or soft with harder stringers such as hard shale,soft limestone and sandstone,etc. ,	Hardfaced gage and all tooth surfaces,and the gage fitted with compacts for enhanced gage protection. And a row of trimmers is added between gage row and heel row.	0.35-0.90	300-80
THJT417	417	Long section of soft with low comressive strength and high drillability,such as shale,clay,sandstone, Soft with low compressive strength ,such as shale,clay,sandstone,and conglomerate ,etc.	Large radius,offset crested scoop compacts in inner row,wedge compacts in outer row ,high compact exposure and inequable spaced compacts arrangement., And a row of trimmers is added between gage row and heel row.	0.35-0.90	280-70
THJT437	437	Very soft with low compressive strength and high drillability,such as shale,clay,sandstone,soft limestone,salt bed and gypsolyte, ,etc	Large radius,offset crested scoop compacts in inner row,wedge compacts in outer row ,high compact exposure and inequable spaced compacts arrangement.. And a row of trimmers is added between gage row and heel row.	0.35-0.90	280-60