High-sand-carrying rotary jet fracturing tool capable of automatically aligning to shot hole

• Main Authors: CHANG XIN, WAN YANGHUI, WANG XINGYI, FAN JINYANG, GUO YINTONG, YAN LIANGZHU
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2024
• 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 discloses a high-sand-carrying rotary jet fracturing tool capable of automatically aligning to a shot hole, which comprises a height adjusting mechanism, an angle adjusting mechanism, an identification mechanism and a control mechanism, and is characterized in that the height adjusting mechanism comprises a first sleeve, a second sleeve and a first telescopic driving part; the angle adjusting mechanism comprises a rotating joint and a second telescopic driving piece; the identification mechanism comprises a third sleeve and a plurality of identification probes; and the control mechanism is used for detecting the position of the shot hole according to the identification probe, adjusting the direction of the ejection hole through the angle adjusting mechanism and adjusting the height of the ejection hole through the height adjusting mechanism according to the position of the shot hole, so that the ejection hole is aligned with the shot hole. The recognition probe is installed on the outer side wal