LG TCI BITS

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Product Application It can receive higher WOB and faster rotary speed than conventional roller bearing bits .It is suitable for high RPM applications. Recommended Drilling Parameters IADC WOB(kN/mm)(bit dia) RPM(r/min) Applicable Formations 435 445 0.35--0.95 150--60 Very soft formations with low compressive strength and high drillability,such as clay,mudstone,chalk ,etc. 515 525 0.3--0.8 200--80 Soft formations with low compressive strength and high drillability,such as mudstone,gypsum ,salt,soft shale,soft limestone,etc. 535 545 0.35--0.9 180--80 Soft to medium soft 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 interbeds,etc. 615 625 0.35--1.0 180--80 Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone, dolomite,etc 635 0.4--1.1 150--60 Hard formations with high compressive strength ,such as sandstone,limestone,dolomite,hard gypsum,marble,etc Note:The upper limits of WOB and RPM in above table should not be used simultancously. Crystal tel: 86-01057290815 mobilephone: 86-13269002360 skype: vitamin01230 QQ: 973987086

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Beijing Leeding Importing and Exporting Trading Co

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