T50 Workover Rig

TW50/2 CA-A4 is a self-propelled workover rig, nominal hook load 50tf, installed on a ROMAN 48365 VFAE autochassis, driven by a CAT C10 power group, 365 CP/2,100 rpm, Allison CLBT 755 DB transmission system with incorporated TC 496 converter. As opposed to TW50 rig, the T50 is mounted on semitrailer.

Technical details:

- maximum load at hoisting hook (with chassis anchors) 50 tf;

- mast checkout static load (with chassis anchors) 65 tf;

- lenth of operated pipes: 18m;

- diameter of hoisting cable: 25mm;

- number of crane ropes: 6;

- speed gears of drawworks: 5+1R;

- number of drums on drawworks: 2;

- control panel for drawworks;

- pneumatic drawworks control;

- band breaking system, manually or pneumatically activated;

Maximum working depths for workover operations:

- 2 7/8 inch tubing (12.93 kg/m): 4,500 m;

- 3 1/2 inch tubing (17.27 kg/m): 3,300 m;

- free mast height from the ground: 30.2 m;

Monkey board from the ground:

- level I 18.1 m;

- level II 19.6 m;

- level III 21.1 m;

Maximum accepted wind speed for rig operation:

- with maximum load on hook, stands on derrick, no safety anchors: 70km/h;

- no hook load, stands on derrick, with safety anchors to the ground: 110km/h;

- no hook load, no stands on derrick: 160 km/h;

Chassis type: AB 48365 VFAE

- Caterpillar C10 engine;

- power/turns 365 CP/ 2100 rpm;

- run in and pull out of hole tubing string - drilling of cement or sand plugs;

- side-tracking, well deepening;

- works designed to start well production;

- bailing and swabbing operations;

- other well operations at depths specific to hook loads up to 50 tf.