2000•Drilling & Production TechnologyRequires access

Status quo and development of workover rigs in Sichuan Oilfield

Yang Jian

Abstract

Workover equipment has regular and non-regular equipment.Regular workover equipments are divided into workover rig and tractor hoist.Non-regular workover equipments are coiled workover rig,snubbing unit and all kinds of matching tools.Regular workover equipment is adopted in well workover in Sichuan.The paper analyses functions and characteristics of all kinds of workover rig,proposes out existing problems during well workover.Finally,improvement and development have been presented about workover rig in Sichuan Oilfield.

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Key concepts: Workover, Engineering, Petroleum engineering, Marine engineering