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Hejian Hengji Bit Manufacture Co., Ltd.

TCI Cone Bit, Cone Bit, Oil Drilling Bit manufacturer / supplier in China, offering 12 1/4 IADC617 Hard Rock Roller Chisel Jet Bit, TCI Oilfield Bits, Tricone Carbide Teeth Bits, Tricone Bit 12 and so on.

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Supplier Homepage Product Drill Bit 12 1/4 IADC617 Hard Rock Roller Chisel Jet Bit

12 1/4 IADC617 Hard Rock Roller Chisel Jet Bit

FOB Price: US $680 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $680/ Piece
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Production Capacity: 500
Transport Package: Wooden Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: IADC CODE
  • Usage: Well Drilling
  • Model Number: Steel Tooth Bit, TCI Bit
  • Suitable Formation: Soft, Medium Soft, Hard, Medium Hard, Very Hard
  • Trademark: HJ
  • Origin: China
  • Material: Alloy Steel, Tungsten Carbide
  • Certification: ISO
  • Bearing Type: Sealed Bearing and Non-Sealed Bearing
  • Color: Blue or Red
  • Specification: according requirement
  • HS Code: 8207191
Product Description
12 1/4  IADC617 Hard Rock Roller chisel  jet bit

Product Parameter

Bit Size

12 1/4"(311.2MM)

IADC Code

617

Connection

6 5/8"API REG

Nozzle Qty

3NZ

Make up Torque(KN.m)

38~43.4

Operating Parameter

Rotary Speed(rpm)

90~50

Weight on Bit(KN)

0.45~1.1

Max.WOB(KN)

120

Flow Rate(lps)

28~70

Features and Applications

Features

1.The durability of premium tungsten carbide inserts are improved with new formulas and new techniques for insert bit;
2.Sliding bearing forms, palm-axis surfacing tooth carbide layer, inner cone hole silver; 
3.Bearing O-ring wear-resistant, high-temperature high in saturated nitrile rubber; 
4.Adopt limit the pressure and prevent drilling fluid into the lubrication system-wide rubber reservoir bag; 
5.Use of high strength and high toughness carbide teeth.

Applications

Medium hard with high compressive strength and thick&hard stringers,such as hard shale,limeston

Price Condition: FOB any China port
Packaging: Standard export packing
Delivery lead time: One week
Minimum order: 1 piece
Supply ability: Any size is available.
IADCWOB
(KN/mm)
RPM
(r/min)
Applicable Formations
114/116/1170.3~0.75180~60Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc.
124/126/1270.3~0.85180~60Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.
134/135/136/137 0.3~0.95150~60Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.
214/215/216/2170.35~0.95150~60Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.
227  0.35~0.95150~50Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.
 
IADCWOB
(KN/mm)
RPM
(r/min)
Applicable Formations
417/437/
 447/415/435
0.35~0.9150~70Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc.
517/527/5150.35~1.0140~60Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.
537/547/535 0.45~1.0120~50Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc.
617/6150.45~1.190~50Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc
637/635  0.5~1.280~40Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc.
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.

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