What is top driveTop drive, The main advantages of top drive,The development history of top drive and Components of top drive
NOV Varco 11SATop drive parts listItem of RequisitionShort TextManufacturer Part No.QuantityRequestedUnit ofMeasure1Putty: Insulating15193+301EA2Washer: Lock123905025EA3Seal Kit: Repair Pack, Accumulator876051EA4Label: Installation, Link1214831EA5Block: Mounting, Rubber1222482EA6Bearing: Retainer, 0
NOV Varco 4S Top drive parts listpos.PNitem185678Leveling Cylinder Seal Kit for TDS-4S Top Actuator21000149Repair kit for manual regulator350004100-3Set of black linings for 350 t links shank diameter 3 1/2″450004100-2White lining kit for 500 t links shank diameter 4 1/2″550004100-1Set of green lini
NOV Swivel LB-300 parts listSr. No.DescriptionPart No.Qty.1Oil Seal Ring-Lower | Swivel LB-3006506-0019-0012Oil Seal Ring-Upper | Swivel LB-3006506-0018-0013Rubber Bumper | Swivel LB-3006597-0140-0014Sleeve | Swivel LB-3006507-0013-0015Spacer Ring-Oil Seal | Swivel LB-3006506-0019-0016Gasket | Swive
NOV Floor equipment parts listEquipmentModelItemDescriptionPower SlipsPS-2150008-20-C8DSCREW, CAP-HEX HD DRILLEDPower SlipsPS-2150808-N-CWASHER, FLATPower SlipsPS-2194520-1CNPRESSURE RELIEF VALVE CARTRIDGECrown Block05094D065CSHEAVE, 50″ DIA. X 10″ SHAFT X 1 3/8″ W.L., API 8CCrown Block05171D275A60″
NOV Driller’s Console Parts ListItemsDescriptionPart Nbr1ISOLATOR-DC INPUT, FIELD CONFIGURABLE ( G408-0001)0000-6992-152BARRIER IS SWITCH ISOLATOR PROXMITY SWITCH AND ENCODER CHECK18620724-0013BARRIER SINGLE CHANNEL 4/20M TRANSMITTER POWER0000-9645-824METER-WEIGHT 12″4-20MA 34TONS metric version of