Hejianshi Tengda Petroleum Supplies Co.,Ltd
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Price: | 600.0~8000.0 RMB |
Payment Terms: | T/T |
Place of Origin: | Hebei, China (Mainland) |
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type | IADC Code | Applicable formation | Main characteristics of the bit | Recommended parameters | |
Cutting structure | Normal WOB KN/mm(bit dia.) | Rotary Speed(rpm) | |||
TGJ115 | 115 | Very soft with low compressive strength and high drillability,such as soft shale,clay and salt bed,etc. | Hardfaced gage and all tooth surfaces. | 0.20~0.70 | 350~80 |
TGJ135 | 135 | Soft to medium soft or soft with harder stringers,such as hard gypsolyte,soft limestone and sandstone,etc. | Hardfaced gage and all tooth surfaces. | 0.20~0.70 | 350~80 |