DTH Rock Drill Bit/ Hole Opener Water Well Drilling/ Oil Hole Opener

• Customized: Customized
• Standard: API
• Length: Taper-length
• Type: Core Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Model NO.: 537
• Condition: New
• IADC: 537
• Size: 26inch
• Color: Blue
• Transport Package: Wooden Box
• Specification: 0.2
• Trademark: HJ
• Origin: Cangzhou
• HS Code: 82071990
• Production Capacity: 50000

Product Description

1 Specifications:
 

Size17 1/2"

IADC517

Bearing TypeElastomer sealed journal bearing

Thread Connection7 5 /8" reg pin

WOB(KN/mm)0.45~1.0

RPM(r/min)120~50

Applicable Formations medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc

Circulation systemMud pump

2.Deatail:
 
Available sizes:

60mm,65mm,76mm,93mm,95mm,98mm(3 7/8"),101.6mm,114mm,118mm,120mm,127mm(5")
130.1mm(5 1/8"),133.3mm(5 1/4"),139.7mm(5 1/2"),142.8mm(5 5/8"),149.2mm(5 7/8")
152.4mm(6"),155.5mm(6 1/8"),158.7mm(6 1/4"),161.9mm(6 3/8"),165.1mm(6 1/2")
190.5mm(7 1/2"),193.6mm(7 5/8"),200.0mm(7 7/8")
212.7mm(8 3/8"),215.9mm(8 1/2"),222.2mm8 3/4")                                                                                                         
241.3(9 1/2"),244.4(9 5/8"),250.8(9 7/8")
269.8(10 5/8"),295.3(11 5/8")
311.1(12 1/4"),346.0 (13 5/8"),349.2(13 3/4")
374.6(14 3/4")
381(15"),393.7(15 1/2"),406.4(16")
444.5(17 1/2"),508(20"),558(22"),609.6(24")
660.4(26")

Available models:
 

Steel tooth
(IADC)111, 121,131
117,124,126,127,136,137                                                                                                                                 
211,311
216,217, 227

TCI
(IADC)415,435, 417,437
515,525,535,545, 517,527,537,547
615,625,635,,617,627,637,737
512,522,532,612,622,632,732

 



 

IADC	WOB (KN/mm)	RPM (r/min)	Applicable Formations
517/537	0.4~1.0	120~60	Soft formations with low compressive strength and high drillability,such as mudstone,gypsum,salt,soft limestone,etc.
617	0.45~1.1	90~50	Medium hard formation with high compress strength,suchas hard  shale,limestone,sandstone,dolomite, etc
637	0.5~1.2	80~40	Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum, marble,etc
117/127	0.35~0.9	150~70	Soft to medium formations with low compressive strengh,such as medium soft shale,hard gypsum,medium soft limestone, medium soft sandstone,soft formation with harder  interbed, etc