Dual-flushing drilling tool

• Main Authors: BAO XINYI, CHEN TAO
• Format: Patent
• Language: Chinese; English
• Published: 29.11.2022
• 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 utility model discloses a double-flushing drilling tool which comprises a shell, a central water inlet cavity is formed in the shell, and a high-pressure water inlet cavity is formed between the shell and the central water inlet cavity. The drilling tool is reasonable in structural design and convenient to use, the drilling tool can be cooled conveniently in the drilling process of the drilling tool due to the arrangement of the low-pressure flushing holes, and holes drilled by the drilling tool can be flushed conveniently due to the arrangement of the high-pressure flushing holes. 本实用新型公开了一种双重冲洗钻具，包括壳体，所述壳体内设置有中心进水腔，所述壳体与中心进水腔之间设置有高压进水腔；本实用新型结构设计合理，使用方便，低压冲洗孔的设置能够便于钻具钻进过程中对钻具进行降温，高压冲洗孔的设置能够便于对钻具钻进出的孔洞进行冲洗。