Casing Window Sidetracking Technology

The company possesses proven technology for casing window sidetracking, which includes casing window opening technology, sidetracked well trajectory design and control technology, sidetracked well trajectory measurement technology, sidetracked well completion design technology, sidetracked well liner cementing and completion technology, and small-diameter borehole liner cementing technology.

Drilling crew HL-9 in Colombia has completed the milling of window casing and sidetracking operations for 4 wells and good economic benefits have been achieved. Well VIGIA 2ST, which was completed on April 4th, 2013, is producing crude oil at daily outputs up to 2300 bbls. Moreover, drilling crews HL-2 and HL-19 in Nigeria have completed four workover sidetracked wells for SPDC.