Bi-center bit for Mining Machinery and abrasive formation
Overview of Bi-center Bit
This type of bicenter bitmainly used for medium to medium-hard compressive and abrasive formation, it has medium and high-density parabolic crown and heavy cutters density for the bit has good impact resistance and anti-abrasive, high wear-resistant diamond gauge, the wholesale bi center drill bithas a longer service life.
In directional applications, bi centerbit performance usually presents performance challenges in terms of efficiency versus power availability and dynamic issues.
Cangzhou Great Drill Bits Co.,Ltd.designed the bi-center bit to enlarge the wellbore diameter, to replace under reaming, to help control rouble zones and for expandable tubular.
Bi-center Bit Design
As one of drill bit manufacturers, we designed this bi-center bits with close attention to hydraulic optimization to improve chip removal and ensure effective tool cooling. In addition to the improved hydraulic configuration, the cutting configuration was carefully studied to ensure that it is both effective and balanced - not only on conventional components but also when used in combination with a bent-case motor. This design concept of bi center bitscombined with GREAT's wide range of PDC cutters grades and geometries results in a bi-center drill with excellent drilling performance.
The Specification of Bi-center Bit
Here are the bi center drill bit sizes.
|
Reaming Size |
12 1/4" |
Nozzle Qty |
3NZ |
|
Pass Thru Size |
10 1/2" |
Gauge Lenghth |
|
|
Blade |
5 |
Connection |
6 5/8" API REG |
|
Primary Cutter Size |
16mm |
Make up Torque(kN.m) |
|
|
Rotary Speed(rpm) |
60~260 |
Weight on Bit(KN) |
30~260 |
|
180 |
Flow Rate(lps) |
35~70 |
The Advantage of Bi-center Bit
Our Bi-center bit is one piece body, you will never worry about broken.
We can adjust the bi-center diameter according to your casing diameter. Generally speaking, the bigger pilot bit has a smaller reaming size. The smaller pilot bit has a bigger reaming size.
GREAT's casing protection features cutting structure that provides a reliable way to drill, protecting both the cutting structure inside the casing and the casing itself.
During the design process, the pilot and reamer cutting structure of this PDC bit are force balanced as a single unit. This provides the bi center drill bits increased drilling efficiencies in both vertical and deviated wells.
在线联系供应商
Other supplier products
 |
Longer Working Life Hybrid Drill Bits Improve Drilling Effeciency | Overview of Hybrid Drill Bit Hybrid bitsare compounded by the PDC fixed cutting and the roller free cutting structure. The teeth on the cone cru... |
 |
Reverse circulation PDC bit for geological exploration samples | Overview RC Drill Bit RC PDC drill bit from GREAT are manufactured from AISI 4145H heat-treated steel. Reverse circulation drill bitare widely u... |
 |
The Drill Bits Series We Offer | We, Cangzhou Great Drill BitsCo. Ltd., specialized in R&D, design, production, and sales various drill bits. The drill bits size from 3" to 26"... |
 |
Longer Working Life Hybrid Drill Bits Improve Drilling Effeciency | Overview of Hybrid Drill Bit Hybrid drills bits are compounded by the PDC fixed cutting and the roller free cutting structure. The teeth on the con... |
 |
Three Blade Wings Drag Rock Drill Bit For soft formations | Overview of Drag Bit Drag bit are manufactured from forged high-quality alloy steel and hard alloy, plus state of art welding technology and multip... |
Same products
 |
BLK-ED-112 ELECTRIC DRILL | 卖方: Zhejiang Huaqi Information Technology Co., LTD | Discover the practicality of our Electric Drill, a tool that offers a range of capabilities for v... |
 |
89mm Threaded Water Well Drill Pipe | 卖方: Jinzhou City TongShun Drilling Machine Co.,Ltd | Introducing our premium 60mm Threaded Water Well Geothermal Drill Pipe, specifically designed for... |
 |
无刷2速锂钻无绳电池 20-CD10 | 卖方: 江苏努埃博联德机电有限公司 | 全系列的 16v 和 20v 无刷系统为您提供变速控制和安全制动系统，配备多功能电池，并允许大量充电循环 电池电压：20v 钻孔直径：10mm 空载转速：2000r/min 最大扭矩：6... |
 |
无刷 2 速锂冲击钻无芯电池 16-CID10 | 卖方: 江苏努埃博联德机电有限公司 | 全系列的 16v 和 20v 无刷系统为您提供变速控制和安全制动系统，配备多功能电池，并允许大量充电循环 电池电压：16v 钻孔直径：10mm 空载转速：2000r/min 冲击频率：3... |
 |
无刷2速锂钻无绳电池 16-CD10 | 卖方: 江苏努埃博联德机电有限公司 | 全系列的 16v 和 20v 无刷系统为您提供变速控制和安全制动系统，配备多功能电池，并允许大量充电循环 电池电压：16v 钻孔直径：10mm 空载转速：2000r/min 最大扭矩：5... |
