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TW30 Workover Rig

DescriptionTW30 Workover Rig

The TW30 TA-A3 workover rig is a self-propelled rig intended for oil or gas well workovers and recompletions.

Technical details:


Maximum load at hoisting hook 30 tf;

Length of operated pipes: 9 ÷ 11 m;

Clear mast height: 17.4m;

Diameter of hoisting cable: 22 mm;

Diameter of bailing cable: 14mm;

Number of crane ropes: 6;

Speed gears of the drawworks 4+1R;

Recommended working depths for:

Recompletions with3 ½” (q=23.06 kg/m) drilling pipes: 1,200m;

Recompletions with 2 7/8” (q=15.47 kg/m) drilling pipes: 1,800m;

Well workovers with:

·         3 ½” (q=13,8 kg/m) tubing: 2,000m;

·         2 7/8” (q=9,58 kg/m) tubing: 3,000m.

Maximum accepted wind speed:

·         with load on hook 70 km/h;

·         without load on hook 120 km/h.

Mast can be tilted by means of an hydraulic cylinder;

Anchorage: 2 resistence anchors connected to the chassis;

Overall dimensions during rig transportation:

- length 16,290 mm;

- width 2,500 mm;

- height 3,940 mm;

Working environmental temperature: -29˚C … +40˚C.


1. Vehicle type: TATRA 815-280 R21-28 270-6x6.2/451;

2. Motor type: T3C-928-80 EURO III;

- power/turns 270 kW (367 CP)/1,800 rot/min;

3. Hydrodynamic transmission

- model: Allison CLT 754;

- hydrodynamic  transmission with TC 496 incorporated hydrodynamic torque converter;

-pneumatic gear switch;

-speed gears: 4 +1R;

  • Depending on the rig fit-out, it can perform the following operations:

- run in and pull out of hole tubing string

- drilling of cement or sand plugs;

- works designed to start well production;

- bailing and swabbing operations;

- other well operations at depths specific to hook loads up to 30 tf.

  • Equipment available at SIRCOSS and its location according to areas of operation
Location SIRCOSSUnits
Medias Services Unit7
Mures Services Unit6
Ploiesti Services Unit2
  • Number of operated wells
Number of Wells689095106104978484
TW30 Workover Rig