Drilling rig for oil well
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Features of drilling rig for oil well
1. Adopts integrated design of mechanical, electrical, hydraulic, pneumatic and digital control, utilizes fully the advantages of advanced digital control AC VF electric transmission, and simplifies its mechanical structure.
2. Slingshot type substructure, drill floor equipments and driller cabin etc realize low-position installation and integer lifting.
3. Electric transmission adopts vector VF drive system to realize all digital operation and control, and also processes elementary functions of automation, intelligence and information to realize collection (signal), display, restoration, printing, remote monitoring and management of control and drilling parameters.
4. By the use of VF technology, DW realizes max torque output when its speed is zero to ensure the suspension function of rig lifting system, which change traditional driller operation mode completely.
5. Equipped with an integral driller's cabin.
Specifications of drilling rig for oil well
Model ZJ30DBS ZJ40DBS ZJ50DBS ZJ70DBS ZJ90DBS Nominal depth 114mm(4 1/2 in.) DP 1600~3000 2500~4000 3500~5000 4500~7000 6000~9000 127mm (5 in.) DP 1500~2500 2000~3200 2800~4500 4000~6000 5000~8000 Max. load of drilling string 1700 (382) 2250 (496) 3150 (695) 4500 (992) 6750(1518) Max. line number strung 5×6 5×6 6×7 6×7 7×8 Dia. of drilling line mm (in) 29 (1 1/8) 32 (1 1/4) 35 (1 3/8) 38 (1 1/2) 42 (1 3/4) Dia of traveling sheave mm (in) 1005 (40) 1120 (44) 1270 (50) 1524 (60) 1524 (60) Center pipe dia. of swivel mm (in) 75 (3) 75 (3) 75 (3) 75 (3) 75 (3) Rated input power of DW kW (hp) 550 (750) 735(1000) 1000(1340) 1470 (2000) 2210(3000) Shifting number of DW Stepless change Stepless change Stepless change Stepless change Stepless change Type of main brake Disk/Band Disk/Band Disk/Band Disk/Band Disk/Band Type of auxiliary brake E.T. N ddy/Eaton E.T. N dy/Eaton E.T. N Eddy/Eaton E.T. N Eddy/Eaton E.T. N Eddy/Eaton Opening of RT mm (in) 520.7 (20 1/2) 698.5 (27 1/2) 698.5 (27 1/2) 952.5 (371/2) 952.5 (37 1/2) 1257.3 (49 1/2) Shifting number of RT 2 Step less change 2 Step less change 2 Step less change 2 Step less change 2 Step less change 2 Step less change Power per MP kW (hp) 735 (1000) 956 (1300) 956 (1300) 1180 (1600) 1180 (1600) 1640 (2200) Number of MP 1 2 2 2, 3 3 Mast effective height m (ft) 41 (134) 43 (142) 45 (147) 45 (147) 46 (152) Drill floor height m (ft) 6 (19.7), 7.5 (25) 9 (30), 10.5 (35) 9 (30), 10.5 (35) 12 (40) Drill floor clearance m (ft) 4.7 (15.6), 6.26 (20.5) 7.62 (25), 9.12 (30) 7.62 (25), 9.12 (30) 10(33.33)
m (ft)
(5250~9850)
(8200~13200)
(11500~16400)
(14800~23000)
(19700~30000)
(4920~8200)
(6600~10500)
(9200~14800)
(13100~19700)
(16400~26250)
KN (kips)
