Lj Tci Bits

Our offered range of LJ TCI Bits is available with following specifications :-

It is suitable for downhole motor and high speed applications.
Recommended Drilling Parameters
IADCWOB(kN/mm)(bit dia)RPM(r/min)Applicable Formations
437 447 0.35--0.9240--70Very soft with low compressive strength and high drillability,such as shale,clav,chalk,mudstone,gypsum,sandstone,soft limestone
517 527 0.35--1.0220--60Soft with of low compressive and high drillability,such as
mudstone .gypsum,salt ,soft shale ,soft limestone.etc.
537 547 0.45--1.0220--50soft to medium with low compressive strength ,such as
medium soft shale,medium soft limestone,medium soft
sandstone and medium formation with harder and
abrasiver interbeds .etc.
617 6270.45--1.1200--50Medium hard with high compressive strength such as limestone hard shale ,sandstone and dolomite,etc.
6370.5--1.1180--40Hard fomation with high compressive strength ,such as
limestone,dolomite,sandstone,hard gypsum,and marble
.etc.
Note:The upper limits of WOB and RPM in above table should not be used simultancously.