Tricone Drill Bits

• Certification: CE, ISO 9001:2000, ISO 9001:2008
• Power Source: Hydraulic
• Operation Pressure: Vacuum
• Applicable Medium: Mud, Water, Natural Gas, Crude Oil
• Structure: Vertical
• Material: Alloy
• Model NO.: 8 INCH
• Transport Package: Wooden Box
• Specification: 3 7/8" ~ 26"
• Trademark: ROSCHEN
• Origin: China
• HS Code: 84314320
• Production Capacity: 1000000 PCS

Product Description

Tricone Drill Bits

 

Brand Name:	ROSCHEN
Type:	Well Drilling
Material:	Tungsten Carbide
Use:	Masonry Drilling
Diameter:	3 7/8"~26"
HS Code:	82071990
Model Number:	IADC 114-735
Machine Type:	Drilling Tool
Connect thread:	API 2 3/8", 2 7/8", 3 1/2", 4 1/2", 6 5/8"
Certification:	API
Sealing:	Open, Rubber sealing, or Metel sealing
Processing Type:	Forging
Application:	Oilfield, Gas, Water Well, Mining, Quarrying

Main product

(1) IADC code: 116 117 126 127 136 137 216 217 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347 417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526  537 547 516 536  535

(2) Sizes:  From 2 7/8 to 26"larger sizes for hole opener bit ,reamer bit

(3) Bearing type: sealed bearing and non-sealed bearing; HJ(metal sealed journal bearing); HA (rubber sealed journal bearing; air cooled bearing type

(4) Formation or layer: soft, medium soft, hard, medium hard, very hard formation

 

IADC CODE SELECTION
IADC	WOB	RPM	Application
	(KN/mm)	(r/min)
111/114/115	0.3-0.75	200-80	very soft formations with low compressive strength and high drill ability, like clay,  mudstone, chalk
116/117	0.35-0.8	150-80	very soft formations with low compressive strength and high drill ability, like clay,  mudstone, chalk
121	0.3-0.85	200-80	soft formations with low compressive strength and high drill ability,  like mudstone, gypsum, salt, soft limestone
124/125		180-60
131	0.3-0.95	180-80	soft to medium formations with low compressive strength,  like medium, soft shake, medium soft limestone, medium soft sandstone,  medium formation with harder and abrasive interbeds
136/137	0.35-1.0	120-60
211/241	0.3-0.95	180-80	medium formations with high compressive strength, like medium,  soft shake, hard gypsum, medium soft limestone, medium soft sandstone,  soft formation with harder interbeds.
216/217	0.4-1.0	100-60
246/247	0.4-1.0	80-50	medium hard formation with high compressive strength, like hard shale,  limestone, sandstone, dolomite
321	0.4-1.0	150-70	medium abrasive formations, like abrasive shale, limestone, sandstone,  dolomite, hard gypsum, marble
324	0.4-1.0	120-50
437/447/435	0.35-0.9	240-70	very soft formations with low compressive strength and high drill ability,  like clay, mudstone, chalk, gypsum, salt, soft limestone
517/527/515	0.35-1.0	220-60	soft formations with low compressive strength and high drill ability,  like mudstone, gypsum, salt, soft limestone
537/547/535	0.45-1.0	220-50	soft to medium formations with low compressive strength, like medium,  soft shake, medium soft limestone, medium soft sandstone,  medium formation with harder and abrasive interbeds
617/615	0.45-1.1	200-50	medium hard formation with high compressive strength, like hard shale,  limestone, sandstone, dolomite
637/635	0.5-1.1	180-40	hard formation with high compressive strength, like limestone, sandstone,  dolomite, hard gypsum, marble
Note: Above limitts of WOB and RRPM should not be used simultaneously

 

PIN SIZE
Bit Diameter		API PIN
(inch)	(mm)
3 7/8''~5 1/4''	98~134	2 3/8''. 2 7/8''
5 5/8''~6 3/4''	143~171	3 1/2''
7 1/2''~9 1/2''	190.5~241	4 1/2''
9 5/8''~13 3/4''	245~350	6 5/8''
14 5/8''~26''	371~660.4	7 5/8''

Contact us:
 

Website: http://roschen.en.made-in-china.com ; http://roschen.en.made-in-china.com
http://roschen.en.made-in-china.com ; http://roschen.en.made-in-china.com
http://roschen.en.made-in-china.com ; http://roschen.en.made-in-china.com