Workover Rig

Overview

The workover rig is designed and manufactured in accordance with standards such as API Spec Q1, 4F, 7K, 8C and RP500 etc.

The workover rig mainly consists the following equipments: power system, transmission system, lifting system, rotating system, control system, mast and drilling floor (substructure), auxiliary equipment, etc.

The power system is mainly composed of the following: chassis, engine, transmission, etc. The transmission system is mainly composed of the following: transmission gearbox, transmission shaft, chain, etc. The lifting system is mainly composed of the following: drilling drawworks, wire rope, crown block, hook block, etc. The lifting system is mainly composed of the following: swivel, rotary table, etc.

Features

* The power system, transmission system, control system, traveling system, and diesel engine, gearbox, drawworks, mast and hydraulic winch are all mounted on the main carrier, which saves space and makes it fast to move the rig.

* Caterpillar engine and Allison hydraulic transmission. The Allison hydraulic transmission gearbox driven by one or two Caterpillar diesel engines provides reliable transmission and has longer service life.

* It can not only be used for workover service, but also for drilling service.

* Double-drum drawworks. The main brake of the drawworks is band type or hydraulic disc type. The auxiliary brake is pneumatic water-cooled disc type or hydromatic type.

* The mast, which is front-open and two-section type telescoping structure, can be erected or lowered and telescoped hydraulically.

Technical Specifications

The product models of the workover rig are as the follows: XJ250, XJ350, XJ450, XJ550, XJ650, XJ750, etc.

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