Rock debris cleaning tool and drilling tool for horizontal well

• Main Authors: LI WENXIA, ZHANG JUN, LI SHUANGGUI, YU YANG, LI SHAOAN, LI GUANGQIAO, ZHAI KEJUN, LIU BIAO, LUO FAQIANG, CHEN PEILIANG, LIU JINGTAO, LIU XIAOMIN, ZHONG WENJIAN, WANG JUHE, JIA XIAOBIN
• Format: Patent
• Language: Chinese; English
• Published: 10.05.2022
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The invention relates to a rock debris cleaning tool and a drilling tool for a horizontal well. The rock debris cleaning tool comprises a central shaft assembly, wherein the upper end and the lower end of the central shaft assembly are configured to be connecting ends used for being connected into a drilling tool; the rotating outer cylinder is arranged outside the central shaft assembly in a sleeving manner, an annular space is formed between the central shaft assembly and the rotating outer cylinder, and a flow stirring piece is constructed on the outer side wall of the rotating outer cylinder; and the rotary driving mechanism is arranged in an annular space between the rotary outer cylinder and the central shaft assembly and is connected with the rotary outer cylinder and the central shaft assembly, and the rotary driving mechanism is configured to be capable of driving the rotary outer cylinder to rotate relative to the central shaft assembly. 本发明涉及一种用于水平井的岩屑清理工具及钻具。该岩屑清理工具包括：中心轴组件，所述中心轴组件的上端和下端构造为用于连接到钻具