Hardware & Tools
Description
Product Application
It is suitable for downhole motor and high speed applications.
Recommended Drilling Parameters
IADC WOB(kN/mm)(bit dia) RPM(r/min) Applicable Formations
437 447 0.35--0.9 240--70 Very soft with low compressive strength and high drillability,such as shale,clav,chalk,mudstone,gypsum,sandstone,soft limestone
517 527 0.35--1.0 220--60 Soft with of low compressive and high drillability,such as
mudstone .gypsum,salt ,soft shale ,soft limestone.etc.
537 547 0.45--1.0 220--50 soft 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.
617 627 0.45--1.1 200--50 Medium hard with high compressive strength such as limestone hard shale ,sandstone and dolomite,etc.
637 0.5--1.1 180--40 Hard 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.
Crystal
Web:http://www.bjleeding.com/
tel: 86-01057290815
mobilephone: 86-13269002360
skype: bjleeding02
QQ: 973987086
Email:leedingj@163.com
leedinglj@gmail.com
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Beijing Leeding Importing and Exporting Trading Co., Ltd
Drilling bits, Tricone bits, PDC bits, drill for oil, about oil drilling, oil well drill
Address: Room 0221, building 11, No.1 yard, Wu li qiao second street, Chaoyang District, Beijing, China ,
Beijing, Beijing
China, 100024
Tel: 861057290815
Fax:
