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Roschen Global
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12 1/4inch 7B
ROSCHEN
ROS-PDC-12 1/4 7B
Product Description
12 1/4inch PDC bit 7blades
Products Speification | |
Number of Blades | 7 |
Primary Cutter Size | 16mm |
Nozzle Qty. | 9NZ |
Gauge Length | 3 Inch |
Operating Parameters | |
RPM (r/min) | 80~250 |
WOB(KN) | 30~140 |
Flow Rate (lps) | 28~70 |
Features
The 12 1/4inch 7blades is a matrix body PDC bit.
Optimized Hydraulic design and enhanced clearing and cooling effects of the bits to prevent bit from balling.
Application
Medium-hard to hard formations with low compressive strength, such as claystone, marl, lignite, sandstone, anhydrite, tuff, etc.
Application Industry
Oil/Gas Well Drilling . Water Well Drilling .HDD(Trenchless) .Foundation Piling
PDC DRILL BITS - STANDARD CONNECTION SIZES
ROSCHEN make some of the most nimble and compact PDC drill bits in the industry. In addition to our complement of surface and drill-out bits, we manufacture and supply the most preferred curve, build and lateral PDC drill bits of experienced directional drillers across the continent.
| BIT SIZE(INCH) | API REGULAR PIN(INCH) | RECOMMENDED MAKE UP TORQUE(KN.M) |
| 4 1/2 to 4 3/4 | 2 7/8 API | 6.0~7.5 |
| 5 1/8 to 7 3/8 | 3 1/8 API | 9.5~12 |
| 7 1/2 to 9 3/8 | 4 1/2 API | 16.0~22 |
| 9 1/2 to 14 1/2 | 6 5/8 API | 38~43 |
| 14 5/8 to 17 1/2 | 7 5/8 API | 46~54 |
Steel Body PDC Bit | |
1. PDC Steel Body Bit | |
Type and Features | PDC bit can be customized for oil well,water well, mining, explorer well drilling. |
Suitable Formation | Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. |
Main Type | Bit Diameters: 5 7/8",6",6 1/2",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4", etc. |
Body Type: Matrix or Steel | |
Cutter Sizes:5/16"(8mm),1/2"(13mm),5/8"(16mm),3/4"(19mm),etc. | |
Blades:2~9 Wings. | |
2. PDC Steel Body Core Bit | |
Type and Features | PDC core bit can be customized for oil well, water well, mining, explorer well drilling. |
Suitable Formation | Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. |
Main Type | 75/54mm,94/74mm,113/89mm,113/109mm,153/129mm,215/105mm,etc. |
