Goodeng International GD5000-LS


1.      Power source: Main power is from 2sets of Chongqing Cummins with each power 368kw/1800rpm. It does not affect continuous running to start single engine according to working condition. If both engines are started the max. torque, max rotation speed, Max. push&pull force and max. push&pull speed can be realized. Rotation and push&pull speed can be feely adjusted by varying the capacity of oil pump and motor. It must be avoided that highest pressure and max. capacity are both running simultaneously, while the two should be reverse proportion.  When single engine is running , torsion and rotary speed can be changed by adjusting oil pump or motor capacity. Motor capacity reduced , rotation speeds up and torsion comes down; Oil pump capacity reduced, torsion remains unchanged, rotation speeds up. By shutting off some of the motors or reducing motor capacity push&pull speed could be maintained and push&pull force reduced. Two engines can work alternatively. The idle engine is disengaged by clutch, which not only retrenches fuel, but also extends service life.

2.      Main spindle rotation and driving head push&pull adopt close-circuit, effectively reducing oil temperature and abrasion.

3.      Coupling between push&pull motor and reducer adopts manual clutch operation. Motors and reducers can be alternatively used, thus with service life prolonged.

4.      Floating spindle is aim to unscrew pipes easily, protect thread, eliminate alternating stress and avoide leakage.

5.   Floating girder is easy to loading, unloading and transportation, convenient for adjusting entry angle.

6.   Unilateral twin cylinder clamp, detachable front and back clamp, clamp being floating in all process.

7.   Wire-controlled direction. Wire operation station at back of driving head is roomy and convenient for operation.

8.   Driving head rotation and push&pull are proportional linear stepless speed regulation. Working pressure can implement stepless remote pressure control in a range of settings. Torsion and push&pull force can be adjusted any time in operation cab to prevent drill rod from rupture.

9.   Configured with slurry pressure discharging device. Display system for mud pressure transmission is safe and reliable which is domestic unique design.

10.  Respectively arranged hydraulic oil heating and cooling systems.

11.  Remote pressure regulation actualizes proportional variation of push&pull, torque and speed.

12.  Independent operation cab with multiple seat, roomy and comfortable, wide view range, warm/cool air condition.

13.  Equipped with anti-slip aisle and guardrail at one side and end of girder.

14.  Intelligent controlling system, full liquid display , automatic detection, automatic record, automatic analysis, automatic alarming.

15.  Drill pipe centralizer in the middle can control speed. The supporting rod height can be adjusted respectively。

16.  The host track is detachable to reduce the shipping weight. The wheeled host power station iswalkable and partition, which can independently support host rig walking, placement and support.



Configuration


 Engine  Commins
 Push & Pull motor  German Rexroth/  Italy Sam
 Mud Pump  Lanzhou Shengda/Other
 Push & Pull motor  German Rexroth/  Italy Sam
 Hydraulic Motor  German Rexroth
 Walking Motor  Korea Desung / Miaoyifu / Other

1.Main theoretical parameter

 No.  Item Theoretical parameter   Remark
 1.  Driving head max. theoretical torsion N·m  150,000 Differential pressure is 35Mpa,work efficiency not considered.
2.  Driving head max. theoretical push&pull force (KN)  5,100  Differential pressure is 35Mpa,work efficiency not considered.
 3.  Max. working pressure set in system (MPa) 36 Allow temperary max. working pressure 45Mpa
 4.  Drill pipe diameter(inch) From 5-1/2 to 6-5/8  Petroleum standard drill pipe
 5.  Max. length of drill pipe(m)  9.6  
 6.  Driving head max. rotation speed(rpm)  85  
 7.  Driving head max. push&pull speed(m/min)  0-35  
 8.  Main spindle floating distance(mm)  100  
 9.  Mud pump channel diameter(inch)  4  
 10.  Max. mud flowing volume(L/min)  3,000  
 11.  Max. mud pressure (MPa)  15  
 12.  Entry angle(°)  8-16  
 13.  Max. clamping force of pipe jaw (KN)  1,400  
 14.  Max. unscrewing force of pipe jaw(N·m)  200,000  
 15.  Rig weight(T)  About 46  
 16.  Size(Length×Width×Height (mm)  17,500×3,100×3,400  
 17.  Power station  About 20T  
 18.  Size of crawler-typepower station(mm)  7,500×2,400×3,200  
 19.  Size of operation room (mm)  6,000×2,200×2,500  
 20.  Permitted working Temperature ℃  -20~45  
 21.  Permitted environment humidity %  >90  
 22.  Permitted working altitude(m)  Altitude 0–2,000  
 23.  Referential back-reaming aperture (mm)  φ2,000  Soil depended
 24.  Referential drilling distance (m)  3,000  Soil depended
 25.  Main pump delivery capacity(ml)  1,040  
 26.  Main motor delivery capacity(push & pull /rotation)(ml)  1,300ml/640ml  

2. Working pressure , theoretical push&pull force , theoretical torque ,rotation speed corresponding table

 Working condition  Two engine work ,and main
pump delivery capacity is
260-520ml/rMain motor 
delivery capacity :
160×4=640ml/r
Two engine work ,and main
pump delivery capacity is
260-520ml/rMain motor
Delivery capacity
100×4=400ml/r 
 One engine work ,and main
pump delivery capacity is
260ml/rMain motor
delivery capacity
100×4=400ml/r
 Working pressure
(MPa)
 Max.theoretical torque
(N·m)
 Max. theoretical torque
(N·m)
 Max. theoretical torque
(N·m)
 10  42,741  26,713  26,713
 15  64,112  40,070  40,070
 20  85,482  53,426  53,426
 25  106,853  66,783  66,783
 30  128,224  80,140  80,140
 35  149,594  93,496  93,496
 40  17,096  106,852  106,852


3.Working pressure ,theoretical push&pull force ,push & pull speed corresponding table

Working condition  Two engine work ,
and main pump 
delivery capacity
is 260-520ml/r
Main motor delivery
capacity107.5×12
=1290ml/r 
 Two engine work ,
and main pump 
delivery capacity
is 260-520ml/r
Main motor delivery
capacity 52.5×8
=420ml/r
 Two engine work ,
and main pump 
delivery capacity
is 260-520ml/r
Main motor delivery
capacity45×8
=360ml/r
 One engine work ,
and main pump 
delivery capacity 
is 260ml/r-520 ml/r
Main motor delivery
capacity107.5×12
=1290ml/r
 Working pressure
(MPa)
 Max. theoretical
push & pull force
(KN)
 Max. theoretical 
push & pull force
(KN)
 Max. theoretical
push & pull force
(KN)
 Max. theoretical 
push & pull force
(KN)
 10  1,396  454  389  1,396
 15  2,094  681  584  2,094
 20  2,792  909  779  2,792
 25  3,490  1,136  974  3,490
 30  4,189  1,363  1,169  4,189
 35  5,026  1,636  1,402  5,026
 40  5,584  1,817  1,557  5,584