SUNMAKER provides a variety of workover solutions, services covering conventional operations, wellbore management, fenestration, casing repair and other services.

I. Complex well fishing

Integrated fishing service：Well-established integrated fishing service provide series of compound techniques of high controllability, low safety risk and high efficiency, via optimization and reassemble of wash-over, washing, cutting and fishing tools and strings.

High efficiency jarring service：Target on different well conditions and equipment, provide high efficiency jarring service which is safer, more effective and excellent quality via multiple plans for jarring and jam-releasing.

Unconventional debris fishing service：For ESP fault falling, power cable, cable shield and other small pieces falling, series of special tools have been adopted, and milling and fishing conducted all together. Thus unconventional debris fishing service could be achieved in a very short time.

II. Case exit service

By using one trip casing exit assembly, retrievable hydraulic setting whip-stock, COSL provides effective and excellent quality service with a smooth sidetrack window.

III. Casing sidetrack drilling horizontal well technology

By utilizing old well and horizontal well sidetracking, the remaining oil can be fully exploited. The per-well production and oil recover ratio can be greatly increased. Well drilling expenses can be greatly saved.

IV. Casing Comprehensive Treatment

SUNMAKER has a complete casing damage control technology system, a series of casing repair services mainly of expanding sleeve repair, explosive shaping, passage drilling, casing reinforcement, casing drawing as well as replacement and sidetracking can be realized, and the casing condition detecting series service mainly of engineering well logging is also provided.