| Customized: | Customized |
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| Standard: | API |
| Material: | Tungsten Carbide |
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| YINHAI-YHA SERISES RUBBER JOURNAL SEALED BEARING TRICONE BITS RECOMMENED PARAMETERS AND APPLICABLE FORMATION |
| NO. | IADC | recommend parameters |
formation | |
| WOB KN/mm |
RPM r/min |
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| 1 | 116,117 | 0.35~0.8 | 150~80 | ,,, Extremly soft formation with low compressive strength and high drillability,such clay,mudstone,cretaceous |
| 2 | 126,127 | 0.35~0.9 | 150~70 | ,,,,, Soft formation with low compressive strength and high drillability,such as mudstone,gypsum,salinastone,soft shale,soft limestone |
| 3 | 136,137 | 0.35~1.0 | 120~60 | ,,,, Soft to mid-soft formation with low compressive strength and high drillability,such mid-soft shale,anhydrite,mid-soft limestone,mid-soft sandstone and soft formation with hard interbeds |
| 4 | 216,217 | 0.4~1.0 | 100~60 | ,,, Soft to medium formation with low compressive strength,such as mid-soft shale,mid -soft limestone,mid-soft sandstone and soft formation with hard interbeds |
| 5 | 246,247 | 0.4~1.0 | 80~50 | ,,,, Mid-hard formation with high compressive strength,such as hard shale,limestone,sandstone and dolomite |
| 6 | 417,437,447 | 0.35~0.9 | 150~70 | ,,,,,,, Extremely soft formation with low compressive strength and high drillability,such as clay,mudstone,cretaceous,gypsum,salinastone,soft shale and soft limestone |
| 7 | 517,527 | 0.35~1.0 | 140~60 | ,,,,, soft formation with low compressive strength ,such as mudstone,gypsum,salinastone,soft shale and soft limestone |
| 8 | 537,547 | 0.45~1.0 | 120~50 | ,,, Soft to medium formation with low compressive strength,such as mid-soft shale,mid -soft limestone,mid-soft sandstone and medium formation with harder abrasiveness interbeds |
| 9 | 617,627 | 0.45~1.1 | 90~50 | ,,,, Mid-hard formation with high compressive strength,such as hard shale,limestone,sandstone,and dolomite |
| 10 | 637 | 0.5~1.2 | 80~40 | ,,,, Hard formation with high compressive strength,such as sandstone,limestone,dolomite and anhydrite,marble |
| YINHAI CLIENT ORDERED TRICONE BITS |
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| YINHAI Location: |
| -The company is located in Junziguan Industrial District, Hejian city, Hebei province,where there is the main source of rock bits manufacturing and distribution of China and is only 200km from Beijing Capital International Airport. |
| YINHAI Business/Market: |
| -We are a 100% factory(manufacturer) of tricone bits (both Steel Milled Tooth and Tungsten Carbide Inserts Bit) from 3" to 20" and PDC drill bits from 3 1/2 to 17 1/2 inch,with 12 years' experience. -We have passed factory audit by SGS. All of drill bits are strictly according to API standard. -We are competent to design and produce the drilling tools like single roller cutters(cones),hole openers and other customized bits depending on the utility demand. -YINHAI bits have been being sold well and running stably in many areas, such as: the United States, Canada, Chile, Poland,France, Saudi Arabia, Egypt , Singapore and Russia and so on. -We adhere to the principle of " Win the customer by attractive quality and price" and "Create value for customers by professional technology and experienced service". |
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| YINHAI PRODUCTION PROCESS --- ROCK BITS |
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| YINHAI BITS --- FORGIEN EXHIBITION SHOW |
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