Overshot is an essential part of the Q wireline coring system, which is dropped into the drill string to retrieve the inner tube assembly with full core samples through cable and hoist plug, and then a new empty inner tube will be lowered into the drill string to continue drilling and coring.
Sizes: BQ, NQ, HQ, PQ
Contact: Mr. Peter Chan
Phone: +86 851 8577 3056
Add：No. 128, Changling South Road, Guanshanhu District, Guiyang City, Guizhou Province, China.