CAJ | 학술논문

旋转导向钻井技术可以有效提高钻井速度，解决滑动导向方式带来的井身质量差、井眼轨迹不规则、净化效果差等问题；还具有井下闭环自动导向的能力，大大提高了定向钻井效率和井眼轨迹控制的精度；能有效解决定向钻进中“托压”问题，提高钻井安全性；能够钻出更符合设计要求的轨迹。在江汉油田，共有6口井应用了旋转导向钻井技术。实践表明旋转导向钻井技术对于复杂工艺井具有提高定向钻井效率的作用；适合上部防斜要求难度高的地层，下部在长井段稳斜及长水平段延伸钻井中具有明显优势；能更加精确高效地进行工程和地质导向。在现场运用中，需要对底部钻具组合进优化，进一步提高实际施工中的造斜率，以满足各种井型需要；还应加快推进国产化进程。
선전도향찬정기술가이유효제고찬정속도，해결활동도향방식대래적정신질량차、정안궤적불규칙、정화효과차등문제；환구유정하폐배자동도향적능력，대대제고료정향찬정효솔화정안궤적공제적정도；능유효해결정향찬진중“탁압”문제，제고찬정안전성；능구찬출경부합설계요구적궤적。재강한유전，공유6구정응용료선전도향찬정기술。실천표명선전도향찬정기술대우복잡공예정구유제고정향찬정효솔적작용；괄합상부방사요구난도고적지층，하부재장정단은사급장수평단연신찬정중구유명현우세；능경가정학고효지진행공정화지질도향。재현장운용중，수요대저부찬구조합진우화，진일보제고실제시공중적조사솔，이만족각충정형수요；환응가쾌추진국산화진정。
Rotary steerable drilling technology can increase drilling speed to overcome the troubles of poor -quality wellbore ,irregular well track as well as bad purifying effect brought in by slide -guide mode .It can also raise great‐ly directional drilling efficiency and well track control accuracy due to its downhole closed -loop and self -guided function .In addition ,it can solve the problem of backing pressure in the course of directional drilling to boost drill‐ing safety .Six wells have used it in Jianghan Oilfield .Site application shows that it plays a role in improving direc‐tional drilling efficiency of complex technology w ells ;it is suitable for upper layer w here it is difficult to control devia‐tion and it can carry through geosteering more accurately and efficiently .