| 1. | Causes for bit freezing of auger drill and its countermeasure
旋挖钻机卡钻原因及其对策 |
| 2. | Method of stuck pipe spotting freeing operation
卡钻浸泡解卡液作业方法 |
| 3. | A new tool of preventing drill pipe sticking in air - powered dth drilling
气动潜孔锤钻进中的新型防卡钻具 |
| 4. | Differential pressure sticking of tool
压差卡钻 |
| 5. | The automatic anti - jamming control in rock - drilling process for down - the - hole drill
潜孔钻机凿岩过程自动防卡钻控制 |
| 6. | Petroleum and natural gas industries - downhole equipment - packers and bridge plugs
石油和天然气工业.下孔设备.装填器和沙桥卡钻 |
| 7. | Causes for abnormal jamming of drill tools of simba 261 dth drill and control measures
261型潜孔钻机非正常卡钻的原因及其控制方法 |
| 8. | Stuck - pipe factor
卡钻因子 |
| 9. | Abstract : several sticking accidents happen in the course of drilling horizontal wells in tahe oilfield
文摘:塔河油田水平井钻井过程中，曾多次发生卡钻事故。 |
| 10. | Clogged or cave - in of the hole , can lead to a stuck drill . it is best therefore , to cleans the hole regular intervals , by carrying out air - blowing with the rock drill
因为堵块和空穴都可能导致卡钻，因此应定期采用冲击器强吹，定期清洗孔底。 |
