17 1/2(444.5毫米)三牙轮钻头IADC码447

| 包装细节: | 木箱或按客户的要求。 |
|---|---|
| 交货详细信息: | 在收到付款后7天 |
17 1/2(444.5毫米)三牙轮钻头IADC码447
技术数据
1.轴承类型:橡胶密封滑动轴承
2.数量的喷嘴:3-4个
3.引脚尺寸:API 7 5 / 8REG
4.位重量净:230千克
5位毛重250千克
6.转速:150-60r /分钟
7. WOB:0.4-0.7kN /毫米
应用
位设计用于非常软地层例如粘土,页岩,白垩,石膏,岩盐,软页岩,软石灰石钻探石油和天然气井的。
特征
1.联合循环(三边喷气机和一个中央喷气机)。
2.下摆和腿进入边缘堆焊。
3.下摆保护与TCI。
4.增强牙齿堆焊。
5.插入的规准面。
6.其他计列。
| Packaging Details: | Wooden cases or as per customer's requirements. |
|---|---|
| Delivery Detail: | within 7 days after receipt of payment |
17 1/2 (444.5mm) tricone bit IADC code 447
Technical Data
1. Bearing type: Rubber sealed journal bearing
2. Quantity of nozzles: 3-4 pcs
3. Pin size: API 7 5/8REG
4. Bit weight net: 230kg
5. Bit weight gross: 250kg
6. Rotation speed: 150-60r/ min
7. WOB: 0.4-0.7kN/ mm
Application
Bit is designed for drilling of oil and gas wells in very soft formations such as clay, shale, chalk, gypsum, rock salt, soft shale, and soft limestone.
Features
1. Combined circulation (Three side jets and one central jet) .
2. Shirttail and leg entering edge hardfacing.
3. Shirttail protection with TCI.
4. Enhanced teeth hardfacing.
5. Inserts on gage surface.
6. Additional gage row.