API 7 7/8" IADC517 Tricone drill Bit for water well and oil well

Price Negotiable

Price: 1852USD

MOQ: 1

Delivery Time: 7 days

Brand: Duke

Product Description

API 7 7/8" IADC517 Tricone drill Bit for water well and oil well

Product name	API 7 7/8" IADC517 Tricone drill Bit for water well and oil well
Size	7 7/8"(200mm)
type	HJ517
Bearing type	rubber sealed bearing
thread	4 1/2" API Reg pin
Gauge protection	gauge protection
WOB(KN/mm)	0.35-1.05
RPM(r/min)	120-50
Application formation	soft with low compressive strength and high drillability,such as shale,clay,sandstone and softlimestone,etc
Weight	38kg
Industrial standard	SY/T5164
MOQ	1

select tricone bit

Table of classification of formation hardness and bit selection
Roller cone bit IADC code	IADC code of diamond bit	Formation description	Rock type	Compressive strength(Mpa)	ROP(m/h)
111/124	M/S112~M/S223	Very soft:sticky soft formation with low compressive strength.	Clay Siltstone sandstone	<25	>20
116/137	M/S222~M/S323	Soft:soft formation with low compressive strength and high drillability.	Clay rock Marl Lignite sandstone	25~50	10~20
417/527	M/S323~M/S433	Medium soft:soft to medium formation with low compressive strength and steak.	Clay rock Marl Lignite Sandstone Siltstone Anhydrite Tuff	50~75	5~15
517/537	M322~M443	Medium:medium to hard formation with high compressive strength and thin abrasive streak.	Mudstone Dark rock shale	75~100	2~6
537/617	M422~M444	Medium hard:hard and dense formation with high compressive strength and medium abrasiveness.	Dark rock Hard shale Anhydrite Sandstone Dolomite	100~200	1.5~3