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RT INDEPENDENTLY DRIVEN (LDB) RIG SERIES
RT INDEPENDENTLY DRIVEN (LDB) RIG SERIES

RT INDEPENDENTLY DRIVEN (LDB) RIG SERIES

Member Details

Sichuan Honghua Petroleum Equipment Co., Ltd

Sichuan,China

Trading Company,Manufacturer,Scientific Researcher,Engineering Contracting Company,Others

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  • Company Profile

The LDB mech-electrical compound driven rig, RT of which is driven independently by AC motor while the drawworks and mud pump are driven by diesel engine through chain or cardan shaft. By adopting RT driven independently by AC motor, it has solved the problem that the RT speed and mud pump stroke can not be adjusted separately for the mechanical rig. The diesel engine power the drilling rig through compound gear box through universal shafts. The drawworks of LDB rig has four forward and two reverse shift, and own hydraulic disc brake as the main brake and eddy-current brake as the auxiliary brake, and can equip with auxiliary driven system which can be used for auto bit feeding and emergency operation. Auto bit feeding adopt digital control to provide smooth trip in and better well hole and increase the mechanical bit feeding, decrease the down hole accident. Equipped with driller's cabin, the drilling parameters can be displayed on the touch screen. Equipped with instrumentation system to achieve display, storage and print of real time drilling parameters. It is optional that the compound gear box can be used to drive energy-saving generator.

Technical Parameters:

Model 

Nom. Depth

Drawworks Power

Max. Static Hook Load

Pump Power 

Power Equipped 

ZJ30LDB

3,000m/9,840ft

600KW/800HP

180mt/396,832lbs

2×597KW

2×800HP

2×810KW

2×1,080HP

ZJ40LDB

4,000m/13,000ft

745KW/1000HP

225mt/500,000lbs

2×969KW

2×1,300HP

3×810KW

3×1,080HP

ZJ50LDB

5,000m/16,400ft

1,100KW/1500HP

315mt/700,000lbs


2×1,193KW

2×1,600HP

3×810KW

3×1,080HP

ZJ70LDB

7,000m/23,000ft

1,490KW/2000HP

450mt/1,000,000lbs

3×1,193KW

3×1,600HP

4×810KW

4×1,080HP


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