Product Introduction
The DQ series top drive is a advanced drilling propulsion system that replaces traditional rotary tables, delivering direct rotary power to drill strings for efficient, high-performance drilling. This parts catalog covers all critical wear components, electrical control modules, hydraulic accessories, and safety hardware required for routine maintenance, emergency repairs, and full overhauls of DQ top drive units. Each part is labeled with unique catalogue numbers, precise quantity requirements, and unit measurements to eliminate sourcing errors and streamline inventory management for drilling operations.
Functional Description
DQ top drive replacement parts work synergistically to power and control core drilling functions: the main shaft transmits high-torque rotary motion, the gooseneck and flushing pipe assemblies manage drilling fluid circulation, internal blowout preventers ensure well control safety, hydraulic piston pumps and solenoid valves regulate fluid power, and electrical modules (inverters, IGBTs, PLC controllers) manage automated top drive operations. These parts maintain stable power output, precise speed control, leak-free hydraulic performance, and reliable emergency shutdown capabilities essential for safe, continuous drilling.
Structural Characteristics
- High-Strength Mechanical Components: Main shafts, coupling sleeves, and brake calipers are forged from alloy steel with heat-treated hardness (HRC 50-55) to withstand extreme torque and repetitive drilling stress, preventing bending or fracture during heavy-duty operations.
- Explosion-Proof Electrical Hardware: Solenoid valves, relays, and contactors meet IECEx and ATEX explosion-proof standards, designed for volatile oilfield gas environments to prevent ignition hazards.
- Precision Electronic Control Modules: ABB/ Siemens IGBT modules, inverter boards, and PLC controllers feature industrial-grade circuitry with overcurrent/overvoltage protection, ensuring stable digital control of top drive speed and torque.
- Custom Hydraulic & Cable Assemblies: Hoses and pre-wired cables are engineered for oil resistance, high pressure tolerance (up to 350 bar), and rig-specific routing, eliminating fluid leaks and electrical connectivity issues.
Applicable Operating Conditions
These DQ top drive parts are designed to perform reliably in harsh global drilling environments, including onshore land rigs, offshore platform rigs, desert drilling sites, and arctic exploration operations. Components withstand extreme temperatures (-40°C to 85°C), high humidity, drilling mud exposure, dust, vibration, and high-voltage electrical loads. Suitable for both intermittent and continuous drilling duty cycles, with full compatibility for DQ top drive systems operating at 200kW-450kW power ratings and 1500A maximum electrical load.
Maintenance & Servicing Recommendations
- Scheduled Inspection Intervals: Inspect mechanical wear parts (main shafts, brake blocks, retaining keys) every 500 drilling hours; test electrical components (solenoid valves, relays, fuses) every 300 operating hours for signs of damage or degradation.
- Hydraulic System Care: Replace hydraulic hose assemblies and piston pumps every 2,000 drilling hours; use only API-certified hydraulic oil to prevent contamination and seal damage.
- Electrical System Maintenance: Tighten cable connections monthly, clean inverter cabinets and fans quarterly to remove dust, and replace worn fuses/contactors with identical OEM parts to avoid electrical mismatches.
- Safety Component Checks: Test internal blowout preventers and brake calipers bi-monthly to ensure proper functionality; replace worn brake blocks immediately to maintain emergency stopping power.
- Installation Protocols: Install all parts with torque-specific tightening per OEM specifications; calibrate electronic modules post-installation to ensure top drive control accuracy.
DQ Top Drive Original Parts Catalog
| Name of details (English) | Catalogue number | Meas. unit |
| Main shaft | DQ004.12.01 | pcs. |
| Gooseneck assembly | DQ004.06.00 | set |
| Flushing pipe assembly | DQ004.04.00 | pcs. |
| Strop | DH012.03 | pcs. |
| Rotator motor | 2K-305 (604-0127) | pcs. |
| Internal blowout preventer with manual control | DQ001.02.02 | pcs. |
| Internal blowout preventer with automatic control | DQ004.02.10.00 | pcs. |
| Piston pump | A10V028DR/31R-PSC12K01 | pcs. |
| Air cooling device | FL1.45/4.22 | pcs. |
| Coupling sleeve | DQ004.07.01.07BZH | pcs. |
| Retaining key body | DQ004.01.20 | pcs. |
| Locking device | DQ004.10.00 | pcs. |
| Brake caliper | SKD80 | pcs. |
| Hose assembly | 16II-660J26C1-F12C9 | pcs. |
| Hose assembly | 25 I-1800J42D1 | pcs. |
| Explosion-proof solenoid valve | DHA-0631/2/PA-M/7 24DC | pcs. |
| Explosion-proof solenoid valve | DHA-0631/2/A/PA-M/7 24DC | pcs. |
| Explosion-proof solenoid valve | DHA-0713/PA-M/7 24DC | pcs. |
| Cooling device assembly with electric motors (Left side) | YJ13.500.000L | set |
| Cooling device assembly with electric motors (Right side) | YJ13.500.000 | set |
| Inverter cabinet for electronic control unit of top drive system (TDS) | DQ 200-450 | set |
| Electronic board | ABRC-01C, ABB 64537661 | pcs. |
| Transistor module | IGBT FF300R17KE3 | pcs. |
| Inverter control board | RDCU-12C | pcs. |
| Transistor module with ABB drivers | IGBT АВВ 6MBI450U 170/AGDR-72C | pcs. |
| Transistor module transistor with ABB drivers | IGBT АВВ FS450R17KE3 / AGDR-71C | pcs. |
| Automatic contactor | LBA-25S-3EC 1000V; 2500A | pcs. |
| The ABB filter | NOCH0120-62 | pcs. |
| SIEMENS controller | SIEMENS 5TA02011CC122 | pcs. |
| Transformer | BOHAI YILI 20KVA: 600V/400V: 50Hz/60Hz | pcs. |
| ABB Brake Block | NBRA669C | pcs. |
| Braking resistor | ACS800, YTDZ13C2, 200kW | pcs. |
| Socket/plug | TD*RPES-E016-42 X0131 | pcs. |
| Socket/plug | TD*RPMP-E016-42 X0111 | pcs. |
| Socket/plug | TD*RPES-E016-19 X0130 | pcs. |
| Socket/plug | TD*RPMP-E014-19 X0110 | pcs. |
| Transformer | 160VA; 600V/100V; 50/60Hz | pcs. |
| AC Transformer | LMK2-0.66/8011, 1500/5, 0-1500A, 5A | pcs. |
| The fuse | RSG-3-690/1250-PK | pcs. |
| Fan | A9032E-22H-B21, 220VAC, 50Hz | pcs. |
| The rectifier | ZP16D25-WH220-346 | pcs. |
| The fuse | FS00C, aR, 690V/16A | pcs. |
| BUSSMANN fuse | KTK-10+CHM1DI | pcs. |
| BUSSMANN fuse | KTK-4+CHM1DI | pcs. |
| BUSSMANN fuse | KTK-2+CHM1DI | pcs. |
| BUSSMANN fuse | CHM1DI+KTK-6 | pcs. |
| Transformer | 750VA, 600VAC/690VAC/220VAC, 50/60Hz | pcs. |
| Module | S7200 6ES7231-0HC22-0XA8 | pcs. |
| Module | S7200CPU 6ES7214-2AD23-0XB8 | pcs. |
| Weidmuller Relay | DRM570730LT +RIM3; 110/230VAC | pcs. |
| Relay | DRM270024LT+SCM; 2+DRM clip M+RIM2,6/24VDC | pcs. |
| Relay | DRM570024LT+SCM; 4+DRM clip M+RIM2,6/24VDC | pcs. |
| Contactor (Switch) | MT10H1,Mic 2.0A,3P,4×0F,220VAC | pcs. |
| BOHAI Transformer | 1000VA: 600VAC/690VAC/220VAC; 50/60Hz | pcs. |
| Fan | A9032E-22H-B21, 220VAC, 50Hz | pcs. |
| BUSSMANN fuse | CHM1DI+KTK-2 | pcs. |
| The ABB fan | G2E140-PI51-09 | pcs. |
| BUSSMANN fuse | 170H3005+170M8635 630A 1000VAC | pcs. |
| BUSSMANN fuse | 170M3815+SB1-D | pcs. |
| Schneider Contactor | LC1D09M7C | pcs. |
| Schneider Contactor | LC1D12M7C | pcs. |
| Schneider Contactor | LC1D25M7C | pcs. |
| Schneider Switch | NSX80H; MA25; 3P | pcs. |
| Schneider Switch | NSX80H; MA12.5; 3P | pcs. |
| Schneider Switch | NS100L/NSX100L; TM100; 3P | pcs. |
| Schneider Switch | NS100N/NSX100F; TM32; 3P |
