Origin

China

7000m Skid-mounted Drilling Rig

Technical parameters:

 

Model:U.S Met	ZJ70/4500L	ZJ70/4500LD	ZJ70/4500DZ	ZJ70/4500DB	ZJ70/4500DBF
Nominal drilling depth: 4-1/2DP ft m 5DP ft m	14800~23000  4500~7000 13100~19700  4000~6000
Max.hook load: KIPS KN	992   4500
Max. drill pipe load: KIPS KN	485   2200				507     2300
Drawworks Max.input power: hp Kw	2000  1470			4020   3000
Drawwork shifts	4forward+2reverse	4	4/stepless	stepless
Main brake model	Disc brake /Band brake
Auxiliary brake model	Eddy current brake/E.T. N brake		Energy consumption brake/eddy current brake/E.T. N brake
Wireline diameter : in mm	1-1/2   38
Crown sheaves number and traveling sheaves number	6×7
Hoisting system stringing method	Stringing in order/crossed stringing
Traveling sheave diameter: in mm	60   1524
Open diameter of rotary table: in mm	37-1/2  952.5
Rotary table drive type	Combination drive	Detachment drive	Combination drive&Detachment drive/Combination drive /Detachment drive
Mast type	∏
Clear height derrick: ft m	152  46.5
Substructure height: ft m	20.5,29.5,34.5 7.5,9,10.5
Clear height of substructure: ft m	20,25,30  6.12,7.62,9.12		20,25,30,35 6.12,7.62,9.12,10.62
Power of single mud pump: hp KW	1600  1180
Mud pump sets	2		3
Type of driving	Integrated chain box		AC-SCR-DC	AC-DC-AC(VFD)	AC-DC-AC(VFD) /engine pump sets
Power of main diesel: hp KW	1500  1100		1630   1200
Diesel sets	3		4
Total volume of mud tank: BBL m3	2500  380