750HP~4200HP DC drilling rig

750HP~4200HP DC drilling rigFeatures of  750HP~4200HP DC drilling rig 1.    DW, RT and mud pump realize independent DC stepless speed regulation which provide guaran

750HP~4200HP DC drilling rig

Features of  750HP~4200HP DC drilling rig

 1.    DW, RT and mud pump realize independent DC stepless speed regulation which provide guarantee for drilling technology optimization.

 

 2.    Mast, substructure and drill floor equipments can be installed at lower position, and then be lifted integrally upon DW power.

 

 3.    Auto-bit-feeding adopts all-digital auto control technique, 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 of 750HP~4200HP DC drilling rig

 


Model

ZJ30D

ZJ40D

ZJ50D

ZJ70D

ZJ90D

Nominal depth

m (ft)

114mm(4  1/2 in.) DP

16003000
(5250
9850)

25004000
(8200
13200)

35005000
(11500
16400)

45007000
(14800
23000)

60009000
(19700
30000)

127mm(5 in.) DP

15002500
(4920
8200)

20003200
(6600
10500)

28004500
(9200
14800)

40006000
(13100
19700)

50008000
(16400
26250)

Max. load of drilling string KN (kips)

1700(382)

2250496

3150695

4500992

67501752

Max. line number strung

5×6

5×6

6×7

6×7

7×8

Dia. of drilling line mm (in)

29(1   1/8)

32 (1   1/4)

35 (1   3/8)

38(1   1/2)

45 (1    3/4)

Dia. of traveling sheave mm (in)

1005(40)

1120 (44)

1270 (50)

1524(60)

1524 (60)

Center pipe dia. of swivel  mm (in)

75 (3)

75 (3)

75 (3)

75 (3)

75 (3)

Rated input power of DW kW(hp)

550(750)

735 (1000)

1100 (1500)

1470(2000)

2210(3000)

Shifting number of DW

4 Stepless change

4 Stepless change

4 Stepless change

4 Stepless change

4 Stepless change

Type of main brake

Disk/Band

Disk/Band

Disk/Band

Disk/Band

Disk/Band

Type of auxiliary brake

E.T. N Eddy/Eaton

E.T. N Eddy/Eaton

E.T. N Eddy/Eaton

E.T. N Eddy/Eaton

E.T.N Eddy/Eaton

Opening of RT mm (in)

520.7 (20 1/2)

698.5 (27 1/2)

698.5 (27  1/2)

952.5 (37  1/2)

952.5(37  1/2)

952.5(37  1/2)

Shifting number of RT

2 Stepless change

2 Stepless change

2 Stepless change

2 Stepless change

2 Stepless change

Power per MP kW (hp)

735(1000)

956(1300)

956(1300)

1180 (1600)

1640(2200)

1180(1600)

Number of MP

1

2

2

2/3

3

Mast effective height m (ft)

41(134)

43 (142)

45 (147)

45(147)

48(157)

Drill floor height m (ft)

7.5(25)

7.5(25)

10.5 (35)

10.5 (35)

12 (40)

Drill floor clearance m (ft)

6.26(20.5)

6.26(20.5)

9.12 (30)

9.12 (30)

12(39.4)



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