钻探工程2025，Vol.52Issue(z1)：294-299,6.DOI:10.12143/j.ztgc.2025.S1.046
贵州永温大坪矿区小直径螺杆钻探轨迹纠斜应用
Application of trajectory correction technology in small-diameter screw drilling at Yongwen Daping Mining Area,Guizhou
摘要
Abstract
This study systematically investigated the application of deviation correction technologies to address borehole trajectory deviations encountered during drilling operations in the Yongwen Dapeng phosphate mining area.By optimizing the wellbore trajectory control plan and implementing a phased dynamic regulation strategy("first reducing inclination,then stabilizing azimuth"e.g.),combined with a Ø73 mm bent screw drilling tool and a JTL-40GX fiber-optic gyroscopic inclinometer for directional measurement,precise coordinated control of the well deviation angle and azimuth angle was achieved.The results demonstrate that the final deviations of the SJK04,SJK05,and SJK06 boreholes were 9.79,5.91,and 11m,respectively,corresponding to 67%,36%,and 64%of the permitted design values,which meets the engineering accuracy requirements(deviation limit≤1%).Notably,directional drilling in the SJK05 borehole reduced the well deviation angle from 4.93° to 1.68°(a reduction of 65.9%)and adjusted the azimuth angle by 161°.This research provides a technical reference for trajectory control in complex stratigraphic drilling and demonstrates the engineering applicability of the phased regulation strategy.关键词
定向纠斜/钻孔轨迹控制/螺杆钻具/测斜定向仪Key words
directional correction/well trajectory control/screw drilling tool/directional survey instrument分类
天文与地球科学引用本文复制引用
赵俊杰,解钏,张恒春,施山山,李小洋,邓拓..贵州永温大坪矿区小直径螺杆钻探轨迹纠斜应用[J].钻探工程,2025,52(z1):294-299,6.基金项目
中国地质调查局地质调查项目"固体矿产高效精准勘探技术及自动化钻探装备升级与应用"(编号:DD20242850) （编号:DD20242850）
贵州省科技计划项目"贵州省复杂地形和地质条件下深部取心钻探关键装备材料研究"(编号:黔科合支撑[2025]一般065)、"贵州省岩溶地区复杂地层岩心钻探关键技术难题综合研究"(编号:黔科合支撑[2023]一般173号) （编号:黔科合支撑[2025]一般065）
