Skid split Modular Layout
Derrick, substructure, drawworks, power cabin and control cabin are independent skid assemblies. Modules can be disassembled separately for container shipment, which adapts to overseas project logistics requirements.
Land AC VFD Drilling Rig ZJ40DB
The Land AC VFD Drilling Rig ZJ40DB is a skid mounted land based AC variable frequency drilling rig for 3000 4000 m medium deep well drilling operations.
Product overview
The Land AC VFD Drilling Rig ZJ40DB is a skid mounted land based AC variable frequency drilling rig for 3000 4000 m medium deep well drilling operations. Manufactured in accordance with API 4F, API 7K and ISO9001 standards, each main unit adopts independent skid split design for convenient containerized sea land multimodal transportation. This rig is widely used for on land conventional oil gas, tight gas, coal bed methane and geothermal well drilling. It is suitable for fixed well pad projects with sufficient site space, and delivers stable performance under continuous high intensity drilling cycles.
Nominal Drilling Depth4000 m (114 mm drill pipe)
Maximum Static Hook Load2250 kN
Main Drawworks Rated Power800 kW
Rotary Table ModelZP375
Core innovative advantages and structural features
Mature Full AC VFD Drive Architecture
Drawworks, rotary table and mud pump adopt independent AC variable frequency motor drive. Torque and rotating speed can be adjusted steplessly, realizing accurate control during tripping, drilling and reaming operations.
High strength Heavy load Bearing Assembly
K type open front derrick and box type substructure pass finite element load verification, resisting fatigue deformation under long time maximum hook load working condition.
Centralized Integrated Control Cabin
Sealed control cabin integrates drilling parameter monitoring, alarm protection and operation interlock function. Operators can complete major drilling operations indoors, improving operation safety and comfort.
Good site adaptability
Skid base design does not require special foundation treatment. Standardized wearing parts facilitate global after sales maintenance and spare part supply.
Technical specifications
| Nominal Drilling Depth | 4000 m (114 mm drill pipe) |
|---|---|
| Maximum Static Hook Load | 2250 kN |
| Main Drawworks Rated Power | 800 kW |
| Rotary Table Model | ZP375 |
| Overall Drive Mode | Full AC VFD Drive |
| Derrick Type | K type Open front Derrick |
| Working Ambient Temperature | -35 C ~ +55 C |
| Executive Standard | API 4F, API 7K, ISO9001 |
Application fields
- Medium deep on land conventional oil gas well drilling and completion
- Development of coal bed methane and medium deep tight gas reservoirs
- Medium deep geothermal well drilling and geothermal resource exploitation projects
- Deep industrial water well construction for fixed large scale well pads
- Medium deep geological survey and mineral resource core sampling missions
- Overseas land oil field projects requiring containerized modular delivery
OEM and customized solution
Harsh environment upgrading
Optional sand proof, dust proof and low temperature anti brittle modification for desert and frigid cold region projects.
Electric system adaptation
Customize voltage and frequency to match different national power grid standards; explosion proof electrical components are optional for hazardous zone sites.
Module dimension tuning
Adjust skid outline dimension to satisfy standard container limit for sea freight transportation.
Auxiliary system matching
Provide complete supporting solution including high pressure mud pump, mud circulation system and solid control skid package.
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