动力旋转定方位射孔工艺技术

On Dynamic Rotary Oriented Perforation Technology

介绍了动力旋转定方位射孔技术的系统原理、结构、安全辅助设计和旋转角度的计算方法。动力旋转定方位射孔技术将动力旋转仪器与定向射孔器结合在一起完成定方位射孔施工作业。作业中不需要用陀螺仪测量井眼或射孔器的方位,它通过电缆输送的方式,在地面控制动力旋转仪将定向射孔器旋转到射孔方位上进行射孔。该工艺定方位准确,容易操作,一次下井即可完成旋转定方位和射孔作业。该技术满足了油田快速产能建设形势下对定方位射孔工艺的需求,尤其对水平井多簇定向射孔具有借鉴意义。

Introduced are the principle, structure, security-aided design and rotation angle computing method of the dynamic rotary oriented perforation technology, which does oriented perforation by combination of dynamic rotary instrument with oriented perforator. In the process of perforation, borehole or perforator azimuth measurements by gyroscope are not necessary. This technology rotates the oriented perforator to the perforation direction through cable transmission system by controlling the dynamic rotary oriented perforation technology has many rotary instrument on the ground. The dynamic advantages such as accurate orientation, easy to operate, complete rotary orientation and successful perforation operation in one trip. Practical application shows that this technology can meet the rapid oilfield orientation perforating technology demand, especially it has important reference for horizontal well multi-cluster directional perforation.