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AC VFD-2000 HP RIG UPTO 6100 MTS

BHEL make AC VFD 2000 HP Rigs are designed for drilling depths up to 6100 meters. These rigs are equipped latest state of art technology available in the Drilling industry. The main advantage of these rigs is improved efficiency resulting in less fuel consumption and savings in drilling costs. Also the comprehensive control system covering all necessary drilling tools make is it more user friendly. Full control of the block is achieved through AC motors and VFD drives via a single joy stick, without any need for setting the brake separately. This feature helps to improve the tripping efficiency and simplify the task performed by the driller.

The Rig package includes:

MAST AND SUB-STRUCTURE

  • Cantilever swing lift type Mast with clear height of 147 ft.
  • Base width at floor level is 35 ft.
  • Static hook load capacity is 1,000,000 lbs.
  • Wind load capacity with full pipe set back is 100 mph.

The package also includes basic accessories like Racking plat form, Crown block, Ladders, Mast raising and lowering sling lines, Pulley etc.

AC VFD 2000 HP DRAW WORK

Draw works is driven by 2 nos AC Induction motors connected through a gear box. The drum is grooved for 1 3/8 wire line. Air cooled Friction type disc brake mounted directly onto the drum shaft is used for parking and emergency purposes. Primary braking or block control is accomplished by regenerative (dynamic) braking through AC motors

TRAVELLING ASSEMBLY

Travelling Block & Hook rated for 500Ton dead load, PC 500 Swivel with 500Ton dead load rating and 367Ton API bearing rating at 100RPM forms Travelling Assembly.

VFD CONTROL HOUSE VFD

control house accommodates Generator panels for 4 nos power packs, Rectifier units, Inverter cubicles for Draw works, Mud pumps and IRD along with Control cabinet for comprehensive control of Drilling tools.

DRILLER CABIN

Air conditioned driller cabin consists ergonomically designed drillers chair, joystick and touch screen monitors from which the driller can monitor, control and operate various tools like the draw works, top drive, mud pump and IRD. Primary controls of various tools are incorporated into Joy sticks.

TOP DRIVE SYSTEM

Nov make TDS 11SA or equivalent Top drive system can be offered. Necessary retrofitting job in the Rig for installation of Top drive system shall be BHELs responsibility.

IRON ROUGH NECK

Iron rough is provided for making and breaking out tubular connection from 4-1/2" to 8-1/2" OD and handle driller pipe from 3-1/2" to 65/8".

MUD PUMPS WITH AC MOTORS

  • Two nos 1600PT/1700PT BPCL make triplex single acting pumps.
  • Maximum per pump working pressure: 5000 Psi.

RIG ELECTRICS

Apart from VFD Control house, the complete power system consisting of

  • Four nos AC-power packs consisting of 1180 HP, 1500 RPM engines and 1430 KVA, 600v, 3 Phase, 50 HZ, 0.7 PF alternators housed in a completely enclosed acoustic enclosure.
  • MCC house for all Rig accessories  1no.
  • Rig lighting system  1 set
  • Complete Power and control cabling  1 set

RIG INSTRUMENTATION

The Rig Instrumentation system is intended for real time monitoring of various critical parameters while drilling. The system includes various field sensors, necessary cabling, central server and client work stations. The system is SCADA compatible for data transfer.

ROUND BOTTOM MUD TANK SYSTEM

BHEL offers SOBM compatible Mud systems. The system consists of 6/7 no. of tanks each of 60 Cu.M capacity as mentioned below and 1 no. trip tank.

  • One shaker tank
  • One setting intermediate tank
  • One suction tank
  • Three or four reserve tanks.

Each tank is equipped with sufficient number of agitators for proper churning of Mud. Mud system also includes mud preparation system along with standard suite of solid processing equipment namely, Shale shakers, Mud cleaners, Desanders and Degassers. * Number of tanks and mud capacity can be changed to customers choice.

HIGH PRESSURE MUD PIPING

Includes set of high pressure piping b/w Mud pumps and Gooseneck along with suitable standpipe manifold.

RIG AUXILIARY SYSTEMS

The standard package includes Fuel system and Water system complete with necessary storage tanks and pumping units, Air system complete with compressors and storage vessels.

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