Active Member
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[China]
Address: Cangzhou, Hebei ,China
Contact name:Anna
Hejian Chuanda Drill Bit Co.,LTD |
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API Standard Customer Approved Carbon fast steel drill bit Manufacturer
Size | 4 5/8inch steel tooth triconebit |
IADC | 127 |
Bearing Type | elastomer sealed bearing |
Thread Connection | 2 7/8 API reg pin |
WOB(KN/mm) | 0.3~0.85 |
RPM(r/min) | 180~60 |
Applications | soft formations with low compressive strength and high drill ability,such as mudstone,gypsum,salt,soft limestone,etc. |
Circulation system | Mud / water |
IADC | WOB (KN/mm) | RPM (r/min) | Applicable Formations |
114/116/117 | 0.3~0.75 | 180~60 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
124/126/127 | 0.3~0.85 | 180~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
134/135/136/137 | 0.3~0.95 | 150~60 | Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
214/215/216/217 | 0.35~0.95 | 150~60 | Medium formations with high compress strength, such as medium soft shale , hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
227 | 0.35~0.95 | 150~50 | Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. | |||
Company profile
Hejian Chuanda company was founded three decades, and always adhere to market-oriented, innovation as a starting point, to provide customers with a more comprehensive product for the drilling industry to reduce costs. Our staff put first-class management, first-class quality, excellent service as our eternal pursuit. The main products are drilling scraper, drill collars, fittings, assembly reamer.
Since founding the company, always adhere to market-oriented, innovation as a starting point, to provide customers with better and more comprehensive product; reduce costs for the drilling industry. I am honest and trustworthy company Yinuoqianjin principles, domestic and foreign customers alike. Our growth and success, dance countersunk head with your love and support staff of our company will first-class management, first-class quality, excellent service as our eternal pursuit.
Features
1.Force balanced,resist impact to the blade during high-speed drilling,to make bit work stable.
2.The cutter is high performance to increase the ability of anti-impact and anti-abrasive.
3.Optimal hydraulic desigh,easy to move out the drill cuttings and cooling.
4.Equipped with back reaming teeth.
Pictures show
