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Workover rig A5-40M Агрегат для ремонта скважин А5-40М

Unit A5-40M1 is designed for trip operations in the repair of wells that are not equipped with derricks, for the work on laying pipes and rods on pathways, for bailing works to clean the sand bailer plugs for the excitation of wells by swabbing with wound onto the block of  winch drum bailing rope diameter 13, 5 mm. 

The unit is self-propelled production machine, mounted on truck chassis URAL-4320-1916-40I,  all terrain vehicle, and consists of a one-drum winch and A-shaped tower with a mono block and tackle system.

   Unit, at the request of the consumer, can be equipped with mechanisms for screwing and unscrewing of tubing and aspiration rods. Control of  mechanisms in the production of trip operations is made from a special booth, which has independent heating. 

   Control of the tower into working position - with manual remote control board, connected to a common electrical system of a unit with 20m cable. Tower of a unit is equipped with audible and visual alarms, as well as the limiter hook block, which provides safety at trip operations. 

   For night work of the well head on the unit provided lighting system of the workplace, foster pathways, crown block, the path of the hook block, drawworks and site around the unit. 

   To ensure the sustainability of the unit in the production of trip operation at full capacity, it is equipped with a device for fixing without anchor derricks.

SPECIFICATIONS:

Advantages:

Experiment operation has identified the following advantages of unit A5-40M compared from the previous units:

- simplified transmission drive winch;

- improved reliability (reliability, durability, maintainability, and keeping) of the unit because of using wear parts in transmission of winch;

- noise characteristics in the cabin of the unit and the wellhead below the current regulations;

- use of electropneumatic transmission for the control of  gearbox with  information on a display control unit allows the engineer to monitor and ensure trouble-free operation of the unit;

- a wide range of regulation speed and torque moment at the trip operation, tubing string, pumping rods, and electrical centrifugal pump. Minimal speed of hook block lifting is reduced to 0.13 m / sec (instead of 0.22 m / sec), maximum speed increased to 1.89 m / sec (instead of 1.76 m / sec);

- control of all four legs (outriggers), an independent and provides a safe and quick installation of the unit in a horizontal position;

-in hydraulic system instead of two has one axial-piston pump that provides installation, disassembling of the unit and assembly work staff with a hydraulic pipe wrench type Oil Country, HKT (hydraulic key template) and CTS (complete transformer substation);

- increased economy of the unit by increasing the efficiency of transmission line, reduced consumption of lubricants;

- installed alarm digital inclinometer;

- distinctive feature of the unit is rotated mono mast, allows to run well after the end of repair, which eliminates the time spent on additional non-derivative works on dismantling, assembling device in the absence of supply failure of abyssal pump;

- expends the working area of the operators, employed trip operations.