1500HP Electrical Land Drilling Rig

Model ZJ50/3150D/DB and ZJ50/3150D/DB, 1500HP, electrical onshore drilling rig, designed to drill and complete an oil and gas well with a depth of not more than 5000m.
The rig components such as mast, substructure, traveling block, hook, swivel, rotary table, drawworks, etc, conform to API specifications and the industry standards.
The mast fabricated in a pin connection type cantilever structure, monkey board, stabbing board and other mast auxiliaries equipped the mast assembly, its dimensions suitable to install top drive unit.
The substructure can be manufactured in two-step raising and/or box-on-box substructure. And Steps, handrails, BOP handling trays and other appendixes equipment and facilities fully equipped with the substructure.
The main rig movers are diesel engine driven AC generators with enough power for operating the rig.
The power drive system available in SCR (AC-SCR-DC) or VFD (variable Frequency Drive, AC-DC-AC) system .
The drawworks electrically driven by heavy duty DC or AC motors, with working speed continuously adjustable. Disc brake introduced as the main drum brake, and an eddy current brake also equipped with the drawworks unit.
The mud pumps equipped with the rig are single action, triplex slurry pumps, electrically driven by AC or DC truck motors.
Rotary table independently driven by a drive system consisting of truck motor, chain gearbox and universal shaft, with working speed continuously adjustable.
Air system equipped with the rig, consisting of two each screw rod type air compressor, air tanks, and valves, and valves.
A fully equipped mud circulation system including mud tanks, solids control equipment, mud conditioning equipment and circulation lines completed with the rig package.
An analog and digital drilling parameter and data monitor and recording system available on the rig.
BOP and well kill/choke equipment and facilities shall be equipment with the rig package according to client’s requirement.
Water and fuel storage and transfer tanks equipped with the rig package

Product Specifications For 1500HP Electrical Land Drilling Rig

SPECIFICATION	1500HP SCR TYPE ELECTRICAL RIG	1500HP VFD TYPE LAND DRILLING RIG
Typical model	ZJ50D/3150	ZJ50DB/3150
Mast	147ft, cantilever, pin type mast
Substructure	Two-step raising substructure, or box-on-box type structure
Nominal drilling depth	4500m with 5" drill pipe; or, 5000m with 4 1/2" Drill Pipe
Max. hook load of hoist system	3150kN or 708000lbs	3150kN or 708000lbs
Floor Height	30ft	26ft
Substructure clearance	25ft	21ft
Max. input power of drawworks	1500HP	1500HP
Drive of drawworks	2 each 800Kw,0-750Vdc DC motor	1 each 1120HP AC motor, frequency variable
Shifts and speed of of drawworks	4F+4R, speed continuously adjustable	1F+1R, speed continuously adjustable
Rotary table	37 1/2"	37 1/2"
Drive of rotary table	Independently driven by one each DC motor	Driven through drawworks
Size and quantity of drill line	1 3/8", 12 lines max. RH
No. and power of mud pump	2 x1600HP	2 x1600HP
Drive of mud pump	2 each 800Kw, 0-750Vdc DC motor	1 each 1120Kw VF AC motor
Main rig generator sets	3 each CAT 3512B/SR4 Gen set, 1900KVA	3 each CAT 3512B/SR4 Gen set, 1900KVA
Assistant generator set	1 each 400Kw, 400Vac, 50Hz AC gen. set	1 each 400Kw, 400Vac, 50Hz AC gen. set
Drive system	SCR/MCC system in an air conditioned house unit	VFD/MCC system in two air conditioned house unit
High pressure mud manifold	4"OD, 5000psi, dual standpipe
Mud tanks	1700bbls
Solids control	2 x shale shaker, 1 x degasser, 1 x mud cleaner, 1 x centrifuge, polymer shear unit
Drilling instrument	Analog and digital drilling data watching and recording system
BOP system recommended	13 5/8", 10000psi, 1xbag BOP, 1x single ram BOP, 1xdouble ram BOP, 7-channel BOP close unit
Choke and kill system recommended	4 1/16", 10000psi kill/choke manifolds and lines
Capacity of water	630bbl
Capacity of fuel tank	500bbl