Land AC VFD Drilling Rig ZJ90 6750DB

The ZJ90 6750DB full AC variable frequency land drilling rig is a super heavy duty ultra deep well drilling unit, developed for 7000 9000 m ultra deep on.

Product overview

The ZJ90 6750DB full AC variable frequency land drilling rig is a super heavy duty ultra deep well drilling unit, developed for 7000 9000 m ultra deep on land drilling missions. Complying strictly with API 4F, API 7K and ISO9001 specifications, this rig is oriented toward ultra deep conventional oil gas, deep tight oil and shale gas exploration. It adopts high power full AC VFD independent drive and oversized high strength derrick substructure assembly, capable of enduring long duration peak hook load under high confining pressure complex deep formations. Mainly deployed in large scale ultra deep energy blocks in desert, Gobi and high altitude cold regions, it serves as key hardware for strategic deep earth resource exploration programs.

Nominal Drilling Depth9000 m (114 mm drill pipe)
Maximum Static Hook Load6750 kN
Main Drawworks Rated Power2200 kW
Rotary Table ModelZP605

Core innovative advantages and structural features

Super power Independent AC VFD Drive Architecture

Drawworks, rotary table and main auxiliary units are driven by individual high power frequency converters. It delivers massive low speed torque, restricts drill string torsional vibration, and enhances tripping safety for ultra deep hole conditions.

Oversized High fatigue resistant Load bearing Structure

Extra large K type open front derrick and heavy box shaped substructure are validated by multi working condition finite element fatigue simulation. The whole assembly maintains high structural rigidity under frequent maximum load tripping operations, resisting plastic deformation in long cycle ultra deep well jobs.

Container compatible Modular Segmented Design

Major assemblies are split into standard container friendly modules for convenient sea land combined transportation. It shortens rig up and rig down period for cluster ultra deep well groups and lowers dependency on super large tonnage site cranes.

High security Centralized Intelligent Control System

Sealed integrated control cabin realizes real time full item drilling parameter monitoring, automatic weight on bit regulation, multi layer mechanical electrical interlock protection and full process operation log recording, effectively cutting operational risks for long shift ultra deep drilling.

Multi scenario harsh environment strengthening treatment

Core electric cabinets are reinforced with desert sand proof and high efficiency heat dissipation structure; key metal components adopt low temperature anti brittle material matching for high altitude frigid zones to support non stop year round field operation.

Technical specifications

Nominal Drilling Depth9000 m (114 mm drill pipe)
Maximum Static Hook Load6750 kN
Main Drawworks Rated Power2200 kW
Rotary Table ModelZP605
Overall Drive ModeFull AC Variable Frequency Drive
Derrick TypeSuper heavy duty K type Open front Derrick
Working Ambient Temperature-45 C ~ +55 C
Executive StandardAPI 4F, API 7K, ISO9001

Application fields

  • Ultra deep on land conventional oil gas exploration, drilling and completion engineering
  • Development of deep tight oil, deep shale gas and other unconventional hydrocarbon resources
  • Ultra deep geothermal well construction and enhanced geothermal system research projects
  • Deep underground water resource survey and heavy duty ultra deep industrial water well drilling
  • Ultra deep earth scientific drilling and strategic mineral resource core sampling operations
  • Super heavy load foundation piling for large scale national key infrastructure projects

OEM and customized solution

Extreme environment adaptation customization

Supply complete low temperature anti brittle material package, desert sand sealing & heat insulation assembly, and heavy duty salt fog anti corrosion coating for coastal high humidity salt spray sites.

International power grid compatibility

Customizable 50 Hz / 60 Hz voltage grades, GOST compliant Russian standard electric system, and full set zone classified explosion proof electric assemblies for hazardous oil gas working areas.

Top tier intelligent function expansion

Optional full automatic pipe handling system, remote cloud monitoring platform, drilling parameter intelligent optimizing module and big data driven fault early warning subsystem.

Transportation adapted structural adjustment

Optimize module outer dimensions for international container shipment and complex mountain well site space constraints.

Complete turn key project delivery

Supporting high pressure heavy duty mud pump, full solid control circulating system, project oriented special spare parts kit, customer specified painting scheme and brand logo marking service.

Contact and inquiry

Use the official contact information for model selection, specification discussion, and project inquiry.

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