Downhole drilling tool

• Main Authors: WANG BINGCHU, YAO JIANXUN, JIN HONGBING, LIU LIJIANG, YIN YONGQING, WU YUNDUO, ZHANG HUICE
• Format: Patent
• Language: Chinese; English
• Published: 28.11.2023
• 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 provides a downhole drilling tool, and relates to the technical field of petroleum tools, the downhole drilling tool comprises a drilling tool body, one end of the drilling tool body is provided with a drill bit, and the drilling tool body is provided with an input port and an output port; a driving device is arranged in the drilling tool body and comprises a stator and a rotor; a first conduction channel through which drilling fluid passes is formed between the stator and the rotor; one end of the first conduction channel is communicated with the input port, and the other end of the first conduction channel is communicated with the output port; the drilling tool body is provided with a flow dividing device, and the flow dividing device is used for responding to a control signal, dividing and exporting drilling fluid input from the input port to the output port according to target flow dividing opening degree information, adjusting the flow speed of the drilling fluid in the first conduction cha