- 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 |