ROCK BIT FOR OIL from China manufacturer - Hejianshi Tengda Petroleum Supplies Co.,Ltd

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


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Product Detail

Model No.: THA 137

Production Capacity: 500pieces per month

Delivery Date: 7 days after deposite

Style: Others

insert rock bit: rock bit

Means of Transport: Ocean,Land,Air,

Packing: in wooden box or iron box

Type: Others

Brand Name: tengda

drill roller bit: buttion drill bit

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

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)
THA116	116	Very soft with low compressive strength and high drillability.such as soft shale.slay and salt bed,etc.	Hardfaced looth surface and gage,high cutter exposure	0.350.90	15080
THA117	117		Hardfaced tooth surface and gage,high cutter exposure and the gage fitted with compacts	0.350.90	15080
THA126	126	Soft with low compressive strength and high drillabiliyt .such as shale,clay,salt bed and soft limestone,etc.	Hardfaced looth surface and gage,high cutter exposure	0.351.00	15070
THA127	127		Hardfaced tooth surface and gage,high cutter exposure and the gage fitted with compacts	0.351.00	15070
THA136	136	Soft to medium soft with low compressive strength or soft with harder stringers. such as hard gypsolyte.soft limestone and sandstone,etc	Hardfaced gage and all tooth surfaces	0.351.05	12060
THA137	137		Hardfaced gage and all tooth surfaces,and the gage fitted with compacts for enhanced gage protection	0.351.05	12060
THA216	216	Medium hard with relatively higher compressive strength and hard stringers,such as hard shale,sandstone and limestone,etc.	Hardfaced gage and all tooth surfaces	0.501.20	9050
THA217	217		Hardfaced gage and all tooth surfaces,and the gage fitted with compacts for enhanced gage protection	0.501.20	10050
THA417	417	Very soft with low compressive strength and high drillability.such as shale,caly,sandstone and conglomerate,etc.	Large dia,offset crested scoop compacts in inner row,wgdge compacts in outer row	0.350.90	14070
THA437	437	Very soft with low compressive strength and high drillability,suchasshale claym sandstone,soft limestone,etc.	Large dia,offset crested scoop compacts in inner row,wgdge compacts in outer row	0.350.95	14060