Power SystemThere are two main system that need high capacity power source, hoisting and circulating system. The power nedded for rig activities is up to 3000 hp and we found that enormous power from prime mover and secondary mover.Prime MoverPrime mover is a primary power which supply energy to fullfil power needed for rig activities. The prime mover in our power system use internal combustion with diesel engine.Secondary MoverSecondary mover is a power source which proveded for housing complex. The secondary mover in our rig use renewable energy such as solar cell.Solar CellThe most commonly used solar panels have efficiencies ranging from 11%-14% and produce about 10-13 watts per sq-ft. For certainly cross section we can find out the total energy that absorbed. Cross section which we use is the roof of housing with xxx sq-ft (mm ft X nn ft), so the total energy that we can get is 12 watts per sq-ft x pp sq-ft = xxxxx wats = xxxx J/s.Wave EnergyA more innovative power source for low to moderate offshore loads is renewable energy based technologies such as solar panels or small wind turbines. However solar and wind power bring their own issues such as intermittent availability. The advantages of another renewable option, power from ocean waves. When provided by a rugged, ocean-ready structure such as the PowerBuoy from Ocean Power Technologies (OPT), wave power can offer a reliable power source at lower operating costs. Due to careful marine engineering and a power conversion system design that includes energy storage capability (battery), the PowerBuoy can deliver a steady and sustainable power supply which is suited to a number of Oil and Gas applications which will be identified and detailed here There are many different technologies to capture wave power but very few of these technologies is commercial enough to be fully used. One of them is PowerBuoy, a technology which consists of a float, spar, and heave plate as shown in the figure below. The float moves up and down the spar in response to the motion of the waves. The heave plate maintains the spar in a relatively stationary position. The relative motion of the float with respect to the spar drives a mechanical system contained in the spar that converts the linear motion of the float into a rotary one. The rotary motion drives electrical generators that produce electricity for the payload or for export to nearby marine applications using a submarine electrical cable. This high performance wave energy conversion system generates power even in moderate wave environments.

The PowerBuoys power conversion and control systems provide continuous power for these applications under the most challenging marine conditions. The spar contains space for additional battery capacity if required to ensure power is provided to a given application even under extended no wave conditions.

Transmission SystemWe choose AC to DC Power System because their capabilities and advantage such as 1. AC generator are powerfull for their size, can provide energy up 3000 hp.2. AC is easier to distribute than DC.3. DC motors produce High Torque at Low RPM.4. Speed of DC motor can be controlled accuratelly.5. Prevent noise from the engine as if we use mechanical transmission system.Hoisting SystemThe main function of the hoisting system is to provide facilities in the lift, hold and put down the drillstring, casing string and other subsurface equipment from downhole to the surface of the well and vice versa. There are two types of routines that use the equipment hoisting system during drilling operations, that is1. Making Connection.2. Tripping out and tripping inTo do that the hoisting system consist several main components , are:1. Derrick and substructureThe function of the derrick is to provide vertical height space that is required to revoke the pipe from or lowered into the well. There are several types of Derrick, the type of derrick that we choose for our rig design is DUAL RAM RIG. Basically, the RAM RIG use hydraulic piston and rams to replace drawwork and drilling line. And it provides dual rig functionality at a lower total operational cost than a comparable conventional dual rig solution.The Ram Rig, hydraulics is found to have many technical advantages compared to a conventional drilling concept, such as a. Available with single, double, triple and quadruple stand rigs with capacities from 150 to 2,000 tonsb. Vertical racking capacity for 10,100 ft drilling riser in 110 ft stands and 60,000 ft drill pipe in quad standsc. NOV Dual Activity Cylinder Rig with 2 x 1,400st hoisting capacity / 2x 1.250sT Top drivesd. 12,000 ft water depth capacitye. 60,000 ft drilling depth capacityf. No drawworks, considerably increased braking capacity and minimal risk of dropping the BOP/riserg. Lower center of gravity increases variable deck load capacityh. High operational redundancyi. No power consumption when in passive compensationj. Low noise emission

The derrick size and general dimension that we use is based from API standard and the spesification is summarized in the table.

A: The Vertical Distance from the top of the base plate to the bottom of the crown block support beam. B: The Distance between heel to heel of adjacent legs. C: The Window opening measured in the clear and parallel to the center line of the derrick side from top of base plate. D: The smallest clear dimension at the top of the derrick that would restrict passage of crown block. E: The clearance between the horizontal header of the gin pole and the top of the crown support beam

DerrickSize No10Height (A)Normal BaseSquare (B)Pipe Size

Total Length,

Pipe Weight

Wing LoadArea

ftinftin(in)FtLb/ftft

108002002 7/89.20016.5264

118702002 7/89.20016.5264

129402402 7/89.20016.5264

1612202404 4.500218.5353

1813602604 10.800318.5510

18A136030058.900422.5510

19146030055.000522.5558

20147030055.000522.5558

251890376520.000622.5810

2. Top Drive3. Cyber Drilling

http://www.oceanpowertechnologies.com/powerbuoy/