Land AC VFD Drilling Rig ZJ120 9000DB

The ZJ120 9000DB full AC variable frequency land drilling rig is a super large ultra deep well drilling unit, designed for 9000 12000 m extreme ultra deep terrestrial drilling assignments.

Product overview

The ZJ120 9000DB full AC variable frequency land drilling rig is a super large ultra deep well drilling unit, designed for 9000 12000 m extreme ultra deep terrestrial drilling assignments. Fully compliant with API 4F, API 7K and ISO9001 quality specifications, this flagship rig is dedicated to ultra deep conventional oil gas, deep tight oil, pre salt formation exploration and earth science scientific drilling. Equipped with ultra high power full AC VFD drive system and extra large heavy duty derrick substructure assembly, it can sustain extreme hook load and cope with high pressure, high temperature complex subsurface formations. It represents top tier land drilling hardware for strategic deep earth resource exploration in global harsh condition basins.

Nominal Drilling Depth12000 m (114 mm drill pipe)
Maximum Static Hook Load9000 kN
Main Drawworks Rated Power3000 kW
Rotary Table ModelZP705

Core innovative advantages and structural features

Ultra high power Decentralized AC VFD Drive

Drawworks, rotary table and critical auxiliary devices adopt independent high capacity frequency converters. It delivers enormous low speed torque, suppresses severe drill string vibration, and greatly improves safety during tripping operations in ultra deep high stress formations.

Extra large High fatigue resistant Load bearing Construction

Giant K type open front derrick and reinforced box type substructure undergo multi load case finite element fatigue verification. The whole structure maintains outstanding rigidity under repeated maximum hook load cycles, avoiding structural risk during long duration ultra deep well campaigns.

Large scale Modular Container oriented Split Design

Major assemblies are divided into container compatible modules for efficient sea land multimodal transport. It optimizes rig up and rig down workflow for ultra deep cluster well groups and reduces reliance on super heavy lifting equipment at remote well sites.

High grade Sealed Centralized Intelligent Control Cabin

Provides full range real time drilling parameter acquisition, closed loop automatic weight on bit control, multi layer interlock safety protection and complete operation log storage. It mitigates human error risks during extended ultra deep well shifts.

Extreme environment oriented strengthening design

Core electrical cabins feature enhanced sand proof, dust sealing and high efficiency heat dissipation for desert basins; low temperature anti brittle alloy materials are adopted for key load bearing components to adapt to frigid high altitude field conditions.

Technical specifications

Nominal Drilling Depth12000 m (114 mm drill pipe)
Maximum Static Hook Load9000 kN
Main Drawworks Rated Power3000 kW
Rotary Table ModelZP705
Overall Drive ModeFull AC Variable Frequency Drive
Derrick TypeSuper large Heavy duty K type Open front Derrick
Working Ambient Temperature-45 C ~ +55 C
Executive StandardAPI 4F, API 7K, ISO9001

How to Match the ZJ120 9000DB to Your Project

For a 9000-12000 m ultra-deep programme, the hook load is the binding constraint before any other number. The ZJ120 9000DB full AC VFD land drilling rig is rated for a 9000 kN maximum static hook load, a 12000 m nominal depth on 114 mm drill pipe, and a 3000 kW main drawworks turning through a ZP705 rotary table. A super-large K-type open-front derrick and box substructure are fatigue-verified for repeated maximum-load cycles, while the decentralized frequency-conversion drive delivers enormous low-speed torque and suppresses drill-string vibration in pre-salt overburden, tight-oil and high-pressure deep formations. Its sealed control cabin runs closed-loop weight-on-bit control with multi-layer interlock and full operation-log storage across round-the-clock shifts — the kind of instrumentation that marks this flagship package for strategic deep-earth basins rather than a redeployed mid-depth machine.

When you request a ZJ120 9000DB drilling rig quotation, include the planned total depth and casing programme, expected formation pressure and bottom-hole temperature, the climate range at the basin, and your site electrical standard at 50 Hz or 60 Hz. The -45 C to +55 C working envelope and API 4F / API 7K / ISO 9001 certification are the certified baseline; GOST-grade power systems, zone-classified explosion-proof electricals, desert sand-sealing and low-temperature anti-brittle components are added per the specific basin rather than assumed.

Because the rig splits into container-compatible modules, every ZJ120 9000DB exported from our Jingzhou plant is shipped with the multimodal transport plan and the complete customs documentation package attached. The modular split structure cuts reliance on super-heavy lifting at remote well sites, and the export paperwork keeps the sea-and-land combined move from stalling at the border.

Application fields

  • Extreme ultra deep on land oil gas exploration, drilling and completion engineering
  • Pre salt strata, deep tight oil and ultra deep unconventional hydrocarbon resource development
  • Ultra deep enhanced geothermal system construction and frontier geothermal research projects
  • Super deep underground water resource survey and heavy duty ultra deep industrial water well drilling
  • Continental scientific drilling and strategic mineral ultra deep core sampling missions
  • Super heavy load foundation works for national large scale key infrastructure projects

OEM and customized solution

Extreme environment adaptation

Complete low temperature anti brittle component package, desert heavy duty sand sealing & heat insulation assembly, high level salt fog anti corrosion coating for coastal humid offshore adjacent well sites.

Global power grid compatibility

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

High end intelligent expansion

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

Logistics oriented structural optimization

Adjust module dimension boundaries to satisfy international container transportation and narrow remote mountain well site spatial constraints.

Full scope turn key project delivery

Matching super high pressure heavy duty mud pump, complete solid control circulation system, project specific spare parts kit, customer defined painting color and brand logo marking.

Request pricing for the ZJ120 9000DB

Tell us your target depth, hook load and drive type; our engineers reply within 24 working hours.

Contact and inquiry

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

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