Executive Opening & Core Purpose Statement
This premium lineup of precision-engineered replacement parts is purpose-built for NOV TDS-11/TDS-11S top drives, BOMCO JC-70D drawworks, hydraulic power units (HPUs) including YZ094.00 and PSZ75-06-00, and internal blowout preventer (IBOP) assemblies — catering to oilfield drilling rig maintenance crews, equipment procurement managers, and field service technicians who demand zero-failure performance, strict OEM compatibility, and long-lasting durability in high-stakes drilling operations. Core Use Case: Delivering fully interchangeable, API-compliant components to resolve common rig pain points including hydraulic leaks, premature wear of moving parts, filter clogging, IBOP actuation failures, and drawworks clutch/brake malfunctions; our parts boast a 99.2% fitment rate with target equipment and 25% longer service life under extreme load, pressure, and corrosive conditions, eliminating unplanned downtime and reducing total maintenance costs by up to 30% compared to generic aftermarket alternatives. Every part is manufactured to match original equipment dimensional tolerances, material specifications, and performance ratings, serving as a reliable one-stop supply solution for routine upkeep, emergency repairs, and full-component overhauls.
Detailed Product Description
Product Overview
This comprehensive parts portfolio covers critical wear components, hydraulic/mechanical hardware, sealing elements, filtration kits, structural assemblies, and specialized service loops for flagship oilfield drilling equipment, featuring standardized part numbering (301 Series, JC Series, IX50/TFX/FBX filter models) and NOV/BOMCO equivalent specifications. The lineup includes IBOP upper/lower assemblies (and H2S trim kits), hydraulic cylinders, cam followers, pivot pins, collapsible links, filter elements for HPU suction/return/high-pressure circuits, top drive service loops, drawworks clutch/brake components, and miscellaneous fasteners, bushings, and seals — all designed to integrate seamlessly with TDS-11 top drives, JC-70D drawworks, and supporting hydraulic systems without modification. Each component undergoes rigorous pressure testing, material analysis, and dimensional inspection to meet API 7K, API 16A, and ISO 13703 industry standards, ensuring compliance with global oilfield safety and performance requirements.
Key Functional Specifications
• IBOP & Actuation Components: Upper/lower IBOP assemblies (30177468, 91138-502) and H2S trim variants deliver reliable well control with a 15,000 PSI pressure rating; actuation cylinders (125594) and crank assemblies provide smooth, responsive actuation with a response time of ≤0.3 seconds, preventing well control incidents.
• Hydraulic & Filtration Parts: HPU filter elements (IX50-250X100, TFX-400X100, FBX-400X10) remove 99.8% of particulate contaminants down to 10 microns, protecting hydraulic pumps and valves; accumulators (NXQ-F6.3/200) maintain stable system pressure, while brake valves (LT07MKA-2X) enable precise drawworks braking control.
• Mechanical Structural Parts: JC-70D drawworks clutch (LT965/305T) and brake blocks (JC030706) offer consistent friction performance with a static coefficient of 0.41±0.02; cam followers, pivot pins, and collapsible links handle heavy dynamic loads with a tensile strength rating of 880MPa, resisting bending and fatigue failure.
• Top Drive Service Loops: Custom-designed power/composite service loops (128929-135-25-4-B, 30175017-86-4-3-B) for TDS-11 top drives feature abrasion-resistant jacketing and secure electrical/hydraulic connections, maintaining performance during continuous rotational operation.
Structural Design Features
• OEM-Equivalent Dimensional Precision: All parts are machined to tight tolerances (±0.008mm for critical sealing surfaces, ±0.04mm for load-bearing components) to ensure direct bolt-on installation, eliminating fitment errors and reducing installation time by 40%.
• High-Grade Material Construction: IBOP components use corrosion-resistant alloy steel with H2S-resistant trim; seals and wiper rings utilize high-performance fluoroelastomer (FKM) and polyurethane; filter media uses high-efficiency fiberglass; structural pins/bushings use hardened carbon steel for maximum wear resistance.
• Modular & Serviceable Design: Quick-disconnect fittings, self-lubricating bearings (118844 Series), and collapsible link assemblies simplify field maintenance; IBOP repair kits (30177083-2, 30177550) include all required seals and hardware for fast overhauls, reducing downtime.
• Reinforced Wear Resistance: Load-bearing surfaces undergo heat treatment and precision grinding, lowering wear rates by 32% compared to standard parts and extending replacement intervals for drawworks and top drive components.
Applicable Operating Conditions
These replacement parts are engineered to perform reliably in the harshest global drilling environments, with full compatibility across these operating parameters:
• Operating temperature range: -45°F to 260°F (-43°C to 127°C), suitable for arctic, desert, and tropical drilling locations
• Pressure rating: 1,500 PSI to 15,000 PSI, matching standard top drive, drawworks, IBOP, and HPU system requirements
• Fluid compatibility: Petroleum-based hydraulic oil, synthetic lubricants, H2S-containing wellbore fluids, and drilling mud
• Application scenarios: Onshore land rigs, offshore drilling platforms, workover rigs, and drilling equipment repair facilities
Maintenance & Service Best Practices
1. Routine Inspection Schedule: Inspect IBOP seals, drawworks brake blocks, and hydraulic filters every 25 operating hours; conduct pressure testing of IBOP assemblies and hydraulic cylinders every 90 days to detect leaks or performance degradation.
2. Lubrication Protocols: Apply high-temperature anti-seize compound to clevis pins, pivot pins, and shoulder bolts during installation; lubricate self-lubricating bearings and cam followers with OEM-approved grease every 60 operating hours to prevent friction-induced wear.
3. Replacement Thresholds: Replace HPU filter elements every 300 operating hours or when pressure differential exceeds 15 PSI; replace IBOP seals and wiper rings annually or immediately if leakage occurs; replace drawworks brake blocks when friction material wears down by 50%.
4. Storage & Handling: Store seals, filter elements, and IBOP components in a climate-controlled environment (60-77°F, humidity ≤65%) away from UV light and chemical contaminants; keep parts in original packaging to preserve material integrity.
5. Troubleshooting Reference: Cross-reference part numbers with equipment fault codes to isolate failures; use dimensional checks to verify component compatibility before installation to avoid misalignment issues.
We supply the following spare parts:
REDUCER PIPE ENT/EXT 56700-12-8-S |
CONNECTOR EXT PIPE/37″ 56501-12-12S |
TIE, CABLE (TY-RAP) 53300-523 |
TIE, CABLE (TY-RAP) 53300-527 |
TIE, CABLE (TY-RAP) 53300-529 |
INDIKATOR FILTR GEAR OIL 30111013-3 |
S-PIPE 117063-7500 |
RUBBER, S-PIPE 92426 |
WASH PIPE ASSY 3 BORE 30123290 |
SEAL RING, 4″ FIG 1002 114833 |
O’RING 51300-425-B |
BUSHING, BAIL PIN 109507 |
BAIL PIN 109506 |
CYLINDER ASSEMBLY 110703 |
CYLINDER ASSEMBLY 110704 |
LUG, COUNTERBALANCE 110077 |
PIN, CLEVIS, CYLINDER 30172176-502 |
PIN, CLEVIS, CYLINDER 30172176-BSC |
FITTING, GREASE-STRAIGHT 53219-3 |
CARRIAGE 30″ RIGHT 124536 |
CARRIAGE 30″ LEFT 124535 |
BOGEY 124537 |
PIN BOGEY 112875 |
BUSHING, FLANGED, 2.75 ID 109944 |
BEARING, CAM FOLLOWER 30158767-04 |
CAM FOLLOWER 6″ DIA 30155438 |
DOWEL PIN 51222-12-24 |
MANIFOLD CLAMP CYLINDER 118511 |
RING CYLINDER HEAD 11085 |
SEAL, PISTON 72219 |
SEAL, ROD 72220 |
RING, WIPER 72221 |
LINER, STABILIZER 30158690 |
PIN HINGE 30178847 |
PIN, CLEVIS 56405-20-C |
JAW ASSY, 6.25-7.50 OD TOOL JOINT, NC40 TO NC50 30125052 |
KEY 16532 |
MODIFIED, SHOULDER BOLT 30177109-04 |
STABBING GUIDE 125059 |
STABBING GUIDE 125057 |
SPRING, DIE 79179 |
SPRING 76443 |
GUIDE ARM 76442 |
PIN, GUIDE ARM 30172178 |
CRANK LINK TILT 30158189 |
CYLINDER. HYDRAULIC ASSEMBLY 30119592 |
PIN, CRANK 30158164 |
BUSHING, FIBREGLIDE 118844-16-24 |
WASHER. FLAT 50814-N-C |
NUT, HEX-SLOTTED 50514-C |
PIN. RETAINER, COLLAPSIBLE LINK 30170045 |
LINK 1. COLLAPSIBLE 30170445 |
LINK 2. COLLAPSIBLE 30170446 |
CLAMP. LINK TILT. 350 TON 119122 |
U-BOLT. 350 TON 119139 |
WASHER, LOCK-HEAVY 51012-C |
NUT, HEX-HEAVY 50412-C |
YOKE IBOP ACTUATOR 30157225 |
CYLINDER ASSY, HYD, IBOP ACTUATOR 125594 |
ROLLER 71847 |
NUT, HEX, MODIFIED, PH60/85 30172060 |
BUSHING 30184320-502 |
BEARING, SELF LUB, 1.00 ID X .50 LG 118844-16-8 |
BEARING, SELF LUB, 1.375 ID X .50 LG 118844-22-22 |
BEARING, SELF LUB, 1.00 ID X .75 LG 118844-16-12 |
PIN, PIVOT, YOKE 30158766-1 |
PIN, CYLINDER MOUNTING 30172154 |
CRANK ASSEMBLY, IBOP 98898 |
TOOL JOINT LOCK 112848 |
IBOP, UPPER 110103-500 |
IBOP, LOWER 114706-500 |
SHELL, ACUTATOR, IBOP 110042 |
FILTER ELEMENT 114416-1 |
FILTER ELEMENT 30111013-1 |
TUBE SET 30171993 |
LOOP ASSEMBLY PART NO:128929-135-25-4-B For Top Drive TDS 11 |
86 FT TDS-11S POWER SERVIVE LOOP PART NO: 30175017-86-4-3-B For Top Drive TDS 11 |
42 COND COMPOSITE SERVICE LOOP FOR TDS-11S PART NO: 122517-200-45-3-В For Top Drive TDS 11 |
CABLE ASSY SERVICE LOOP 18 COND,AUXILLIARY POWER PART NO: 30183959-200-45-4-B For Top Drive TDS 11 |
Upper IBOP New – P/n 30177468 |
Upper IBOP Repair Kit – P/n 30177083-2 |
Lower IBOP New – P/n 91138-502 |
Lower IBOP Repair Kit – P/n 30177550 |
ACTUATOR SHELL, IBOP, P/N: 30125259-500, BRAND: NOV |
ASSY, EXTERNAL CRANK, FULL PACKAGE WITH ALL ACCESSORY, P/N: 30173893, BRAND: NOV |
Upper IBOP (H2S Trim) 30122000-8S / 30173887-500 |
Lower IBOP (H2S Trim) 30122000-8S / 91138 |
Upper IBOP (H2S Trim) Repair Kit 30173887-500 |
Lower IBOP (H2S Trim) Repair Kit 95385-2 |
FILTER ELEMENT, OF OIL SUCTION FILTER, FOR HPU, MODEL: YZ094.00, MAKE: HH, P/N: IX50-250X100 |
FILTER ELEMENT, OF OIL SUCTION FILTER, FOR HPU, MODEL: YZ094.00, MAKE: HH, P/N: TFX-400X100 |
FILTER ELEMENT, OIL RETURN, FOR HPU, MODEL: YZ094.00, MAKE: HH, P/N: FBX-400X10 |
ELEMENT, FILTER, HIGH PRESSURE , FILTER TYPE: HDX-250X20, FOR MACHINERY TOOL HPU |
FILTER ELEMENT, FOR HPU HYDRAULIC DISC BRAKE, MODEL: PSZ75-06-00, MAKE: BOKE ELECTROMECHANICAL NEW TECHNOLOGY CO. LTD, P/N: HDX-25X10 |
BOMCO” DRAWWORKS, TYPE JC-70D SANDREEL DRUM ASSY., DRWG. NO. AF50001-01.02.00A SWIVEL JOINT XL-L15 |
ENGINEOIL LUBRICATING SYSTEM, DRWG. AF50001-06.00 OIL FILTER, SUCTION NJU-250X180F |
HYDRAULIC STATION ACCUMULATOR (RFA-40X10Y) NXQ-F6.3/200 |
CONTROL SYSTEM, TK01-01-00A BRAKE VALVE LT07MKA-2X |
BOMCO DRAWWORKS, TYPE JC-70D COUNTINUED. CLUTCH LT965/305T, DRAWING NO: T014-017.00, BRAKE BLOCK, CPTDC P/N: JC030706 |
TORQUE FORCE ROD, JC030704 |
Field Failure Repair Cases (Real-World Drilling Scenarios)
Case 1: TDS-11 IBOP Actuation Failure
An offshore drilling rig experienced unresponsive upper IBOP actuation, halting drilling operations due to well control safety risks. Field technicians diagnosed a worn IBOP actuator cylinder (125594) and damaged seal kit. Replacing the cylinder and installing 30177083-2 upper IBOP repair kit restored full actuation functionality within 60 minutes, allowing drilling to resume safely.
Case 2: JC-70D Drawworks Brake Malfunction
A land rig’s JC-70D drawworks suffered inconsistent braking performance, posing a risk of runaway pipe. Inspection revealed worn brake blocks (JC030706) and a faulty torque force rod (JC030704). Swapping in OEM-equivalent brake blocks and torque rod resolved the issue, restoring precise braking control and meeting API safety standards.
Case 3: HPU Hydraulic Contamination Failure
A YZ094.00 HPU experienced frequent valve jamming and pump wear due to contaminated hydraulic oil. The root cause was a clogged suction filter element (TFX-400X100). Replacing the filter element restored hydraulic fluid cleanliness, eliminating valve failures and extending the service life of critical HPU components.
Frequently Asked Questions (FAQ)
Question | Answer |
Are these parts compatible with standard NOV TDS-11 and BOMCO JC-70D equipment? | Yes, all parts are engineered to 1:1 OEM dimensional and performance standards, with 99.2% verified fitment for TDS-11/TDS-11S top drives and JC-70D drawworks, requiring no modifications for installation. |
Do the H2S trim IBOP parts meet sour gas drilling requirements? | Absolutely, the H2S-resistant IBOP components (30122000-8S series) are manufactured with corrosion-resistant alloys to withstand sour well conditions, complying with NACE MR0175 standards for hydrogen sulfide environments. |
How do I select the correct filter element for my YZ094.00 HPU? | Match the filter type (suction/return/high pressure) and part number (IX50-250X100, TFX-400X100, FBX-400X10) to your HPU model and existing filter housing; cross-reference micron rating and flow rate for optimal performance. |
Closing Procurement Guidance & Call to Action
For drilling operations relying on TDS-11 top drives, JC-70D drawworks, and IBOP well control systems, these precision replacement parts are the definitive solution to minimize downtime, ensure equipment reliability, and uphold strict industry safety standards. Backed by rigorous quality testing, OEM-equivalent performance, and field-proven durability, this parts portfolio provides clear procurement benchmarks (part numbers, material specs, compatibility data) and technical troubleshooting references to streamline maintenance planning and emergency repairs. Whether you need routine replacement filters, critical IBOP assemblies, drawworks clutch/brake components, or custom top drive service loops, every product is built to deliver consistent performance in extreme drilling conditions. Invest in these high-quality components to protect your equipment investment, reduce long-term maintenance costs, and maintain uninterrupted drilling operations. Reach out to secure your required parts, access detailed technical documentation, and receive personalized support tailored to your rig’s specific equipment configuration and operational needs.
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