Skid-mounted Drilling Rig
Skid-mounted Drilling Rig
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| ZJ70/4500LDB Rig |
| Author：管理中心
Source： Release date：2015-3-18 Clicks：1759 |
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ZJ70/4500LDB rig drives the compounding box via 3 diesel engines and anti-clockwise coupling engine set. Compound chain box is 6 shafts energy-save sealing structure which includes 3 engines and 2 pumps .（Ⅰ、Ⅲ and Ⅳ shafts are input shafts of engine drive）. Ⅱ and Ⅴ shafts are used to drive mud pumps, Ⅵ shaft is used to drive energy-saving Generator, and drive Drawworks by eight-row chain. Front open-face mast and Swing up substructure are raised by Drawworks. The main brake of Drawworks is hydraulic disc brake, the auxiliary brake is electromagnetic eddy current brake.
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1. Adopt swing up type of mast and substructure integral raising. Substructure, mast and all equipments are installed at low position and raise mast and substructure at one time by Drawworks powere. dismounting convenience, Having advantages of quick moving, integral movement and installation, etc.
2. Diesel engine, hydraulic coupling and transmission box form a whole transport unit, which is installed on driving base at rear floor. The whole chain box is installed directly on the substructure at rear floor.
3.Rotary table speed, torque and mud pump stroke rate can respectively adjusted according to the drilling process , provides the premise and guarantee to optimize the drilling process and automatic bit feeding
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Technical diameter
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Nominal drilling depth (114mm
DP)
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4500～7000m
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Open diameter of Rotary table
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φ952.5mm (37.5” )
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(127mmDP)
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4000～6000m
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Qty.× power of diesel
engine
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3×1060kW
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Max.hook load
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4500kN
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Shift of Drawworks
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4+2R
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Traveling system
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6×7
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Height of drilling floor
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9m
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Dia of Drill line
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φ38mm
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Mast type and height
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Ktype, 45.5m
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Qty.× power of mud pump
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2×1600hp
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Drawworks power
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1470kW（2000hp）
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Copyright:ZYT Petroleum Equipment Co., Ltd. ICP prepared by: 09040838
