Leads-slanting windowing tool with integrated slip and inserted link

• Main Authors: WANG BINGYONG, TAO YUZHENG, WANG YU, LU FUJUN, SUN ZUOHAI, REN ZHIHAI, WANG BIN, CHENG JIENING, YU GUANGPENG, YU YONG, TANG YUNBO, JI KAI, SHAO BENZHUANG
• Format: Patent
• Language: English
• Published: 13.05.2015
• 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 relates to the technical field of window sidetrack drilling of oil fields, in particular to a leads-slanting windowing tool with integrated slip and inserted link. According to the leads-slanting windowing tool, a leads-slanting body is fixed on a feeding-in pipe assembly through a fixing screw; the lower end of the feeding-in pipe assembly is connected with a ball seat; a rotating tee joint is connected to the side wall of the ball seat; a side joint of the tee joint is inserted into a diverting joint and is sealed by a sealing ring II; the diverting joint is arranged on the leads-slanting body; a cover plate is connected to the leads-slanting body; the feeding-in pipe assembly is communicated with an internal flow channel of the leads-slanting body through the ball seat, the rotating tee joint and the diverting joint; the lower end of the leads-slanting body, an upper hydraulic cylinder, a lower hydraulic cylinder, a lower end joint and the inserted link are sequentially connected; the inserted link is provided with circulating holes. The leads-slanting window sidetracking tool disclosed by the utility model realizes the purpose that the position of a window can be selected at any position of a casing, breaks through the current situation that a sidetracking windowing position can be only limited at an intact position of the casing and ensures that the windowing position furthest meets the mining and well repair requirements.