Tigerrig 60yr manufacture experience API ZJ70LDB drilling rig-Zhonghang(avic) Machinery Manufacturing Group Co., Ltd

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Tigerrig 60yr manufacture experience API ZJ70LDB drilling rig

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Features
Specification

Tigerrig 60yr manufacture experience API ZJ70LDB drilling rig

Major features

1.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.

2.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.

3.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.

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

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Specifications

Model		ZJ30LDB	ZJ40LDB	ZJ50LDB		ZJ70LDB
Nominal depth (ft)	114mm(4 1/2 in.) DP	1600～3000 (5250～9850)	2500～4000 (8200 13200)	3500～5000 (11500～16400)		4500～700 14800～230 0)
	127mm (5 in.) DP	1500～2500 (4920～8200)	2000～3200 (6600 10500)	2800～4500 (9200～14800)		4000～600 13100～197 0)
Max load of drilling string KN (kips)		17 0(382)	2250〔496〕	3150〔695〕		4500〔1012〕
Max line number strung		5×6	5×6	6×7		6×7
Dia. of drilling line mm (in)		29(1 1/8)	32 (1 1/4)	35 (1 3/8)		38 (1 1/2)
Dia. of traveling sheave mm (in)		1005(40)	112 (44)	1270 (50)		1524 (60)
Center pipe dia. of swivel mm (in)		75 (3)	75 (3)	75 (3)		75 (3)
Rated input power of DW kW(hp)		550(750)	735 (1000)	1100 (1500)		1470 (2000)
Shifting number of DW		4 forward	4 forward	4 forward		4 forward
Type of main brake		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
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)
Shifting number of DW		2 Stepless change	2 Stepless change	2 Stepless change		2 Stepless change
Shifting number of RT		73 (1000)	956 (1300)	956 (1300)	1180 (1600)	1180 (1600)
Power per MP kW (hp)		1	2	2		2,3
Number of MP		81 (1100)	810(1100)	810(1100)		1000（1369）
Number of MP		2	3	3		3
Mas effective height m (ft)		4 (134)	43 (142)	45 (147 )		45 (147 )
Drill floor height m (ft)		5(16.4),6(19.7), 7.5(25)	5(16.4),6(19.7), 7.5(25)	7.5(25),9(30), 10.5 (35)		7 5(25),9(30), 0.5 (35)
Drill floor clearance (ft)		3.76(12.4),4.76 (15.6),6.26(20.5)	3.76(1 .4),4.76 (15.6),6.26(20.5)	6.12(20),7.62 (25),9.12 (30)		6.12(20),7.62 (25),9.12 (30)