Beijing Ocean Renda Petroleum Equipment Co., Ltd.
Beijing Ocean Renda Petroleum Equipment Co., Ltd.
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ZJ70/4500D , Oil Drilling Rig for oil field , Oil Drilling Equipment
Description:
DW, RT and mud pump can realize independent stepless speed regulation which provide guarantee for drilling technology optimization.
Mast, substructure and drill floor equipments can be installed at lower position, and then be lifted integrally upon DW power.
All-digital auto control auto-bit-feeding system is available, driller operates the touch screen to fulfill drilling operation through optimized drilling parameters, which will reduce labor intensity significantly and improve work efficiency. Display, restoration, regulation and control, remote management of major drilling parameters can be realized.
Specifications :
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Major features |
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1 |
Nominal drilling depth |
7000m ( 114mmDP ) |
10 |
Substructure type |
slingshot type |
Swing up type |
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2 |
Max hook load |
4500kN |
11 |
Substructure height and clear height under RT beam |
9m / 7.62m |
10.5m / 8.92m |
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3 |
Wire rope system of traveling system |
6×7 , parallel |
12 |
Mast type and effective height |
K TYPE , 45m |
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4 |
DW rated power |
1470 kW ( 2000hp ) |
13 |
Transmission mode |
AC-SCR-DC |
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5 |
DW gear |
4 forward+ 4 reverse , stepless speed regulation |
14 |
Quantity and power of main generator set |
4× 1200 kW |
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6 |
Diameter of drilling wire rope |
φ 38mm |
15 |
Quantity and power of auxiliary generator set |
1×292kW |
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7 |
RT opening diameter |
952.5mm ( 37 1/2″ ) |
16 |
Quantity and power of DC motor |
9 × 800kw |
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8 |
RT gear |
One gear stepless speed regulation |
Two gears stepless speed regulation |
17 |
HP mud manifold |
Φ 103mm ( bore diameter ) ×35MPa |
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9 |
Quantity and power of drilling pump |
3× 1600 hp pump |
18 |
Effective mud volume of solid control system |
430m3 |
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