ZJ20DBS,2000meters drilling rig,650HP drilling rig

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ZJ20DBS,2000meters drilling rig,650HP drilling rig

Main Features

 

It adopts integrated design of mechanical, electrical, hydraulic, pneumatic and digital control, utilizes fully the advantages of advanced digital control AC VF electric transmission, and simplifies its mechanical structure.

 As adopting of slingshot type substructure, drill floor equipments and driller cabin etc realize low-position installation and integer lifting.

Electric transmission adopts vector VF drive system to realize all digital operation and control, and also processes elementary functions of automation, intelligence and information to realize collection (signal), display, restoration, printing, remote monitoring and management of control and drilling parameters.

By the use of VF technology, DW realizes max torque output when its speed is zero to ensure the suspension function of rig lifting system, which change traditional driller operation mode completely.

This rig is equipped with an integral driller's cabin, in which a driller can finish major operations.

specification:

                                                   

Rig Model

ZJ20DBS

Nominal drilling depth, 127mm(5)DP, m

2000

Max. hook load,  kN(t)

1350(135)

Drill line number

8

Dia. of wireline, mm

29

Max. pull of fastline, kN

200

Drawworks

Model

JC-20DB

Rated power, kW(hP)

400(500)

Gears

one gear, stepless speed regulating

Brake

hydraulic disk brake + dynamic brake

EATON brake + dynamic brake

Crown block

TC135

Traveling block

YG135

OD of sheaves of hoisting system, mm


Hook

YG135

Swivel

Model

SL-135

Dia. of stem bore

75

Rotary table

Opening dia.  mm(in)

444.5(17 1/2)

Gears

one gear, stepless speed regulating

Drive mode

independent motor drive

Derrick (mast)

Type

K or telescoping

Height, m

31 or 39

Max. load, kN(lbs)

900

Substructure

Type

box on box, or telescoping

Drillfloor height

3.8 or 4.5

Clearance height under rotary beam, m

2.6 or 3.3

Mud pump

Model×number

F800×1

Drive mode

electric drive

Electric control mode

AC-DC-ACone to one


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