30151875-504 Shotpin Assy & VARCO TDS9S/TDS11S Top Drive Full-Spec Spare Parts

1. Core Purpose & Target User Demand Orientation

This comprehensive spare parts lineup is professionally calibrated for VARCO TDS9S and TDS11S top drive drilling systems, covering hydraulic shotpin assemblies, IBOP control components, power supply modules, remote I/O units, accumulator service kits, cooling system parts and full-range sealing hardware. It caters specifically to drilling rig maintenance technicians, offshore platform operational teams and oilfield equipment procurement specialists, addressing prevalent field pain points including hydraulic shotpin jamming, IBOP actuator pressure leakage, inverter power instability, insufficient gear oil filtration and high-temperature electrical component aging. All components conform to API 7K drilling machinery standards and IEC explosion-proof electrical criteria, with independently verified 7100-hour continuous runtime stability data, effectively eliminating unplanned downtime caused by worn or mismatched OEM replacement parts.

2. Product Introduction & Functional Description

2.1 Hydraulic & IBOP Core Assemblies

The 30151875-504 40×25 hydraulic drive shotpin assembly delivers precise mechanical locking and positioning for top drive operational mechanisms, solving inaccurate positioning and stuck faults during pipe handling cycles. Key IBOP system components include 118510 IBOP actuator assembly, 125594 PH100 hydraulic cylinder assembly and 110103-502 upper IBOP assembly with H2S corrosion certification, providing reliable wellbore pressure control during drilling and tripping operations. Supporting hydraulic accessories such as 30173216 hydraulic filter, 124576 2-inch accumulator repair kit and 87605-1 accumulator service kit maintain stable hydraulic pressure circulation and energy storage output for long-duration operations.

2.2 Electrical Control & Power System Parts

Electrical core hardware features 116199-16 PSU power supply module and 116199-22 PER3 inverter control PCB, forming the core power regulation and program control system for TDS series top drives. The 122627-46 24IN/8OUT digital remote I/O module ensures accurate signal transmission between field sensors and main control units. A full gradient fuse set including 116199-25, 116199-26 and 116199-48 provides layered circuit overload protection, while the 30157674-12-120 contactor and 935676-006 surge protector stabilize power input and suppress voltage surge damage. Matching SCR and MCC room air conditioning fan guarantees constant temperature operation for high-power electrical cabinets.

2.3 Mechanical Structural & Sealing Accessories

Mechanical supporting parts cover 30125052 NC50/FH55 jaw assembly for stable pipe clamping, 16401-2 rear pliers jaws and 118368 top drive rear righting ring to maintain structural positioning accuracy. Sealing and fastening components including 51300-425-B, 51300-348-F flush O-seals, 72219 back caliper piston oil seal and 50008-14-C5D upper IBOP crank bolt eliminate fluid leakage and structural loosening under alternating vibration. Specialized parts such as 110191-501 five-gallon reservoir bladder, 30111013-KIT gear oil filter kit and various 37-degree sealing elbows and explosion-proof connectors complete the full-system supporting configuration.

3. Structural Characteristics & Exclusive Technical Advantages

All hydraulic assemblies adopt precision honed internal structures, maintaining zero pressure drop during 30-minute static pressure holding tests and supporting 7100 hours of non-degraded continuous operation. Electrical circuit boards undergo low-temperature cryogenic treatment, retaining stable operational performance at ambient temperatures as low as -40°C. Sealing elements adopt imported fluororubber formulations with H2S corrosion resistance, adapting to harsh sulfur-containing formation working conditions. Mechanical jaw assemblies adopt integral forging technology, improving structural rigidity and resisting deformation under full rated load. Every finished component undergoes 100% factory functional testing and dimensional calibration to ensure full interchangeability with original VARCO TDS9S/TDS11S equipment.

4. Applicable Working Conditions

This spare parts suite is exclusively applicable to VARCO TDS9S and TDS11S top drive systems, adapting to offshore salt fog corrosion environments, northern low-temperature oilfield sites, desert high-temperature working areas and sulfur-containing formation drilling scenarios. It stably supports 24-hour continuous heavy-load operation and high-frequency start-stop working modes, fully meeting conventional drilling, directional well construction and well repair operational requirements.

5. Professional Maintenance & Engineer Operational Suggestions

Field engineers should inspect shotpin hydraulic flexibility and IBOP sealing performance every 500 working hours to eliminate jamming and leakage risks. Replace gear oil filter kits and hydraulic filter elements every 1000 working hours to avoid pipeline impurity blockage. Calibrate power supply module output parameters quarterly to ensure stable voltage and current supply. Check explosion-proof connectors and circuit fastening status monthly to prevent signal interruption caused by vibration loosening. Replace aging accumulator bladders and sealing rings regularly to maintain hydraulic system energy storage efficiency and pressure stability.

We supply the following spare parts:

51300-425-B VARCO Top Drive Spare Parts
Latch 17496-1
93667-M11 VARCO top drive spare
Bulb 30087708-44 24VVARCO* drive spare
30151875-504 ASSY,HYD DRIVE,SHOTPIN,40 X 25 TDS-11S
SCR and MCC Room Air Conditioning Fan F48L32A50VARCO Top Drive Spare Parts
30125052 NC50/FH55 JAW ASSY 5 inch/5 inch half clamp head assembly
Control Board 116199-16 POWER SUPPLY MODULE PSU2) TD
Wrench 141559-1
2″ Accumulator Repair Kit 124576 VARCO
30111013-KIT KIT, FILTER, GEAR-OIL (FILTER AND O-RING)
118510 ACTUATOR,ASSY,IBOP
VARCO connector CONNECTOR 56529-6-6-S
Flush O-Seal O-RING 51300-348-F VARCO Top Drive Spare Parts
110191-501 BLADDER,RESERVOIR TDS9S 5 gallon
Gasket 110016 GASKET,BLOWER,7.6X11.6
Module 122627-46 REMOTE-I/O, DIGITAL, 24IN/8OUT
50910-C WASHER, LOCK-REGULAR
125594 CYLINDER,HYD,IBOP,ACTUATOR,ASSY,PH100
Copper sleeve 109944
Top drive rear righting ring 118368
Fuse 116199-26 800V 800A
30183959-200-25-4-B CABLE ASSY SERVICE LOOP 18 COND.
Fan mounting plate 30126111-1
Top wire 93018-10 PLUG,ORIFICE,.039
Fuse 116199-48
VARCO accessory 120119-2 (MT) pulley, encoder
Fuse 116199-25
Back caliper piston oil seal 72219 VARCO top drive spare parts
72221 VARCO Top Drive Spare Parts
UPPER IBOP CRANK BOLT SCREW CAP-HEX HEAD 50008-14-C5D
Connector CONNECTOR 56556-12-6-S VARCO
110103-502 ASSY,UPPER IBOP,6 5/8X 6 5/8,PH50,H2S,C/W CERT
Cap CAP, FEM 37DEG SEAT 56544-6-S VARCO
Surge protector 935676-006
77039 VARCO Top Drive Spare Parts
30177204 BALL/SEAT-SET UPPER IBOP, EXT STOP, SM B (replaces 99500)
Bolt 30123564
Gray Circle 118375
VARCO spare part 30173216 FILTER, HYD
Plug 114729-PL-655-18 VARCO
Explosion-proof connector 110022-1R
Two-position switch 30087708-26
Explosion-proof plug 110022-1W white
51300-016-B VARCO Top Drive Spare Parts
87541-1 VARCO
Contactor 30157674-12-120/116199-92
116199-22 PCB,CONTROL,PER3,INVERTER
Top drive back pliers jaws 16401-2 VARCO
Accumulator Repair Kit 87605-1

6. On-Site Field Maintenance Cases

Case 1: Heilongjiang Cold-Region Oilfield, TDS11S Top Drive, 500-ton continuous load. Fault: Hydraulic shotpin slow response and occasional jamming. Repair: Replace 30151875-504 shotpin assembly and clean hydraulic oil circuit. Post-repair index: Shotpin action response time stabilized at 0.3s with zero jamming faults. Customer feedback: Mechanical positioning accuracy fully restored, eliminating operational pause issues.

Case 2: Bohai Offshore Platform, TDS9S Top Drive, 450-ton rated load. Fault: IBOP hydraulic cylinder pressure loss, well control safety risk. Repair: Replace 125594 IBOP hydraulic cylinder assembly and matching sealing parts. Post-repair index: System maintains constant pressure without attenuation during 30-minute static holding. Customer feedback: Wellbore pressure control performance meets API operational standards.

Case 3: Xinjiang Desert Oilfield, TDS11S Top Drive, 55°C high-temperature operation. Fault: Power module overheating leading to unstable output. Repair: Replace 116199-16 PSU module and upgrade cooling fan assembly. Post-repair index: Module operating temperature controlled within 70°C under full load. Customer feedback: Electrical system operates continuously without power fluctuation faults.

Case 4: Shandong Onshore Drilling Site, TDS9S Top Drive, long-cycle vibration load. Fault: Accumulator energy storage failure affecting hydraulic action efficiency. Repair: Overhaul with 124576 accumulator repair kit. Post-repair index: Hydraulic system response efficiency restored to factory standard level. Customer feedback: Overall top drive operational efficiency significantly improved.

7. Technical FAQ

8. Procurement Reference & Technical Value Summary

This full set of VARCO TDS9S/TDS11S top drive spare parts strictly adheres to API 7K international petroleum machinery standards and passes standardized factory performance verification, with 7100 hours of field-verified stable operation data. The product portfolio covers all core vulnerable components and daily maintenance consumables required for top drive full-cycle operation, systematically solving common field faults such as hydraulic mechanism failure, electrical signal disorder and sealing leakage. It provides standardized model selection basis for equipment procurement and professional fault diagnosis & maintenance guidelines for on-site technical teams. We support customized complete spare parts packages matched with different working conditions and equipment operation cycles, delivering reliable production and supply support for long-term stable and efficient operation of VARCO series top drive systems.