25 Mar 2026

ZJ Series Rig & FZ35-35/70 BOP Spare Parts (SNC70-30 & F-1600 Mud Pump)

Equipment Compatibility, Target User Needs & Core Purpose

Precision Equipment Fitment & Target User Segmentation

This heavy-duty oilfield spare parts and drilling fluid additive portfolio is engineered for direct OEM drop-in replacement and performance matching, fully compatible with ZJ-30/ZJ40/ZJ45/ZJ50/ZJ70 series drilling rigs, FZ35-35/FZ35-70 BOP assemblies, SNC70-30 OFM600S power ends, F-1000/F-1300/F-1600 mud pumps, NK400E/GT350E engines, VOLVO FM12 trucks, and CUMMINS/190 series diesel power systems. It caters to a highly targeted user group: oilfield drilling maintenance technicians, BOP service specialists, mud pump hydraulic engineers, drilling fluid formulation experts, rig asset reliability managers, and oilfield procurement professionals focused on minimizing unplanned downtime and optimizing drilling fluid performance. These users face urgent, costly pain points: rig drive shaft failures halting hoisting operations, BOP seal degradation causing pressure leaks, mud pump power end component wear reducing pumping efficiency, drilling fluid instability compromising wellbore stability, and engine/vehicle part malfunctions triggering unexpected shutdowns — all of which create safety hazards and expensive drilling delays on the rig floor.

Core Purpose Statement

Every component and additive in this lineup is designed to resolve mission-critical drilling rig, well control, mud pump, and drilling fluid system failures, ensuring safe, compliant, and continuous oilfield operation. Mechanical parts deliver reliable power transmission, leak-proof high-pressure sealing, and stable mud pump operation; drilling fluid additives enhance fluid hydrophobicity, reduce water loss, and improve wellbore stability. Backed by 100% dimensional verification, API industrial standard certification, and pressure testing up to 31.5MPa, these parts boast a 99.9% perfect OEM fit rate and 45% longer service life in high-vibration, high-pressure, oil-contaminated oilfield environments; the hydrophobic polymer coating agent delivers a 32% improvement in drilling fluid shear stability compared to conventional additives. Our core goal is to supply rugged, quick-install, fully compliant spare parts and high-performance additives that reduce maintenance downtime, lower long-term replacement costs, and uphold the safety and efficiency of critical oilfield drilling and well control equipment.

Structured Product Description

Product Introduction

This comprehensive portfolio includes mechanical spare parts and drilling fluid additives, featuring flagship models and part numbers: ZJ series drive shafts/bevel gears, FZ35-35/FZ35-70 BOP cylinder heads/seal rings, SNC70-30 OFM600S crosshead pins, F-1600 mud pump hydraulic tank accessories, Beam Hydrophobic Association Polymer HMP drilling fluid coating agent, and FKQ6407 remote console pneumatic components. Mechanical parts are fabricated from premium hardened alloy steel, oil-resistant rubber, and precision-machined metal; the HMP polymer coating agent is a high-purity hydrophobic association polymer formulated for oilfield drilling fluid systems. All items pass strict performance testing, wear testing, and compliance checks to ensure seamless integration with OEM equipment.

Function Description

 Drilling Rig Components: ZJ series drive shafts, bevel gears, and sprockets enable stable power transmission for winches and turntables; tension springs and clutch discs ensure responsive braking and speed control for rig operations.

 BOP Assemblies: FZ35-35/FZ35-70 cylinder heads, seal rings, and connecting bolts provide high-pressure well control sealing, preventing fluid blowouts; dust rings and gaskets protect internal components from contamination.

 Mud Pump & Hydraulic Parts: SNC70-30 power end crosshead pins and nuts maintain stable pump operation; F-series mud pump cylinder liners, connectors, and safety valves regulate hydraulic pressure and eliminate fluid leaks.

 Engine & Vehicle Parts: CUMMINS/VOLVO engine relays, starter components, and chassis fasteners ensure reliable power delivery and vehicle stability; turbochargers and superchargers boost engine performance for heavy-duty operations.

 Drilling Fluid Additives: Beam HMP hydrophobic association polymer enhances drilling fluid water lock resistance and shear stability; KC-1A cement loss reduction agent optimizes cementing performance for oil wells.

Structure Characteristics

 Heavy-Duty Mechanical Durability: Rig drive shafts and BOP fasteners use hardened alloy steel, withstanding extreme torque and vibration without bending, cracking, or premature wear; precision machining ensures ±0.004mm dimensional accuracy for perfect OEM fit.

 High-Pressure Sealing Integrity: BOP O-rings and dust seals feature molded rubber construction, maintaining leak-tight performance under 31.5MPa hydraulic pressure and resisting degradation from drilling fluid and oil.

 Polymer Additive Stability: HMP hydrophobic polymer has a unique molecular association structure, delivering long-lasting fluid performance without separation or degradation in high-temperature drilling environments.

 Corrosion & Vibration Resistance: Metal components feature anti-rust coatings; hydraulic hoses and rubber parts withstand extreme temperatures and rig vibration for extended service life.

Applicable Operating Conditions

These parts and additives are engineered to perform reliably in extreme oilfield drilling and well control environments, including:

 Onshore/offshore drilling rigs (ZJ series winch, drive, and brake systems)

 FZ35-35/FZ35-70 BOP well control and pressure containment systems

 SNC70-30 power ends and F-1000/F-1300/F-1600 mud pump hydraulic systems

 VOLVO/CUMMINS/NK series diesel engines and heavy-duty chassis

 Water-based and oil-based drilling fluid systems, oil well cementing operations

 Operating temperature range: -35℃ to 145℃, pressure rating up to 31.5MPa, suitable for high-vibration, heavy-load oilfield operations

Maintenance & Care Recommendations

 Rig Drive & Brake Care: Inspect drive shafts, gears, and clutch discs every 250 operating hours; lubricate sprockets and bearings to reduce friction; replace worn springs and fasteners promptly.

 BOP Maintenance: Check seal rings and dust seats quarterly; replace worn seals during routine BOP pressure testing; torque connecting bolts to OEM specifications to preserve pressure integrity.

 Mud Pump Upkeep: Inspect crosshead pins and cylinder liners monthly; replace worn nuts and gaskets; clean hydraulic tank connectors to prevent clogging and leaks.

 Additive Application: Dose HMP polymer coating agent per fluid volume requirements; store additives in a cool, dry area; test drilling fluid stability regularly to maintain performance.

We supply the following spare parts:

coating agent for drilling fluidBeam Hydrophobic Association Polymer HMP

Power end accessories SNC70-30 OFM600S crosshead pin 3101008166

Hydraulic tank accessories F-1600 Liner thread ring

Winch intermediate shaft accessories ZJ45 Tension spring 012.05.09

NK400E engine*Crankshaft thrust clearance pad

Remote Console Accessory FKQ 6407 Pneumatic pump O-ring φ28*3.55

VOLVOFM12 Fuel* Accelerator pedal assembly 420 horsepower 21915481

Square welded steel pipe 30*3mm Q235B

Casing power tong accessories TQ35-13 3/8″ jaw plate assembly 7″ 56.620.00

Winch intermediate shaft accessories ZJ32L6 drive shaft AF60001-02.04.01

Touring block hook accessories YG-170 outer spring

ND1250M306N BottomDisc*drive shaft bolt

Electric control box FKDQ640-7 Tracheal bundle assembly 6PK.03-00

Integrated hydraulic controlsAccessories trachea cable FKQ6407 23 cores

Winch drive shaft accessories ZJ-70 Main drive shaft assembly 105.59.32.00

Supercharger * TurbochargerDevice assembly SJ170 G12V190PZL-3

GT350E Chassis* Front Steelplate third piece

ND1250 Chassis* Rear Viewmirror

35×35 BOP AccessoriesFZ35-35 left cylinder head JK00309-2L

35×35 BOP AccessoriesFZ35-35 nozzle flange JK00309-53

Drill pipe power tong accessories ZQ203-100 Oil return hose M42*2*10000 05-02M

Power end accessories SNC70-30 OFM600S cylindrical pin B070004683

Cylinder liner piston accessories F-1000 Piston nut

Hydraulic tank accessories F-1300 Air bag upper cover bolts M39*M39*3*130

Roller shaft accessories ZJ40Main Drum Poppet 1-1D-2-FX

CUMMINS diesel engineAccessories electrical instrument system *starter relay 3050692

Transmission No. 1 TransmissionShaft accessories ZJ32L6 steel pipe assembly BA70012-02.33.00

Rod crane accessories ZQ203-100 Connection sleeve 010810-03M

35×35 BOP AccessoriesFZ35-35 Dust ring seat F751.14.18

Drill pipe clamp accessories ZQ203-125 Jaw Plate Assembly 4-1/2″ 19.100-14-00

Roller shaft accessories ZJ-40L5 drums

Electric control box FKQ6406Relief valve Y40-20

Drilling fluid solid control tank accessoriesFlange 2″

Drill pipe clamp accessories ZQ203-125 Sliding sleeve 19.600-03

Drill pipe clamp accessories ZQ203-125 Brake adjustment barrel assembly

Winch drive shaft accessories ZJ-40 Lower angle gearbox output shaft

Winch drive shaft accessories ZJ50D28 Connector M62*3G-R 1 1/2″

Drilling rig top drive accessoriesDQ70Ⅲ-A baffle φ47 1.11.11.091

35×70 BOP accessoriesFZ35-70 thrust bushing SFZ1310-21

NK400E chassis * wheelTire screw and cap rear left

Liquid lubricant YDRH vegetable oil

35×35 BOP AccessoriesFZ35*35RS support ring FZ897.1.15

Power selection box accessories SNC35-16 large pump input shaft

ND1250 Chassis Super Shock AbsorptionAfter the device

35×35 BOP AccessoriesFZ35-35 adjusting gasket 2FZ3535.11-06

Crawler Dozer PartsPD320Y-1 supercharger assembly PD3018068

Screw compressor accessoriesLS-12 secondary oil and gas separation core 02250100-756

Liquid end accessories SEV5320TGJ TPH400 V-ring backing 4-1/2″

DQ40/50/70 DQ40/50/70 adjustment plate for top drive device of drilling rig 1.11.08.01

190 series diesel engineAir distribution mechanism and intake and exhaust system * Bellows sub-component Z12VB.09.30

Cylinder liner piston accessories F-1300 Stud bolt M39*270

Gearbox accessories ZJ-40LT bevel gear AF50010220104

Turntable drive shaft accessories ZJ-40 Cat head drive shaft clutch disc φ600*250

Camera Nikon D5300

Ordinary nozzle JZS 5-23mm

NK400E chassis safety steelPlate center screw and cap front

Drilling rig top drive accessoriesDQ50/DQ70 balance cylinder DQ-LHTY L125*185

Magnetic calibration of other logging toolsPotential logging tool CAL-Y-SH Schlumberger

Hydraulic tank accessories F-1600 Mud pump safety valve connector AH0000060101

Electric control box FKQ6406Accumulator NXQA-40/31.5-L

Overshot overturned overshot DKLT φ51~114

35×35 2FZ35-35OType sealing ring φ95*3.1 JK00309-12

Air Control Driller’s Console FKQ12808 repair kit

High Energy Mixer Accessories SNC40/17 lower ash valve encoder X04.01.059

35×35 BOP AccessoriesFZ35-35 hydraulic cylinder connecting bolt 2FZ3535-06

35×35 BOP AccessoriesFZ35-35 hinge seat 2FZ3535.11-05

Coring tool accessories Chuan 7-4 Inner cylinder chuck

Screw compressor accessoriesLS12-50HH intake valve repair kit 250031-438

Mercedes-Benz 2530 Brake*Handbrake valve

Power selection box accessories 40-17 Versailles assembly

35×35 BOP AccessoriesFZ35*35SK pressure ring DFZ5414-24

Plugging agent 801 while drilling

Turntable cat head shaft accessories ZJ-45 cat head shaft dead sprocket Z=47

ND1250M306N BottomDisc*Cab Lifter Hydraulic Lines

Pneumatic winch and accessories XJFH/35 handle return spring

Scraper accessories ATYYDGNGBQ O-ring Kit 7″ AT-07

Elevator accessories CDZ livePage axis 102*18°/2250

Winch drive shaft accessories ZJ-30 bevel gear Z=32 M16

GT350E Cooling Appliance*starter relay

Turntable input shaft accessories ZJ32L6 Flat key AF60001-02.03.03

VOLVOFM12 startEngine*intercooler intake pipe

GT550E Universal* Luffingcylinder hose

FZ35*35RS topSealant core FZ897.21.01.01

Coring tool accessories Chuan 7-4 bearings

VOLVOFM12 ElectricEquipment Maximum Bulb 24V-2438

Drilling rig top drive accessoriesDQ70Ⅲ-A Clamp lower plate 5″ 1.14.17.021

1491, 310/S29/6×4 Cooling electric appliance*starter assembly

Drill pipe hanger accessories ZQ-100 transfer cylinder piston rod

lifting hydraulic deviceAccessories ZJ-20 telescopic cylinder

Brake device accessories ZJ-30L brake cylinder assembly

Power end accessories SNC70-30 OFM600S Hexagon slotted nut 3101008164

35*35 BOP accessoriesFZ35*35RS support sealing sleeve FZ897.1.14

Drill pipe clamp accessories ZQ203-125 Locating pin 19.100-23

ZJ30 Combination Car No. ⅡDrive shaft sprocket 4Z=47 BC050.03.05 P=38.1

Winch intermediate shaft accessories ZJ32L6 Sprocket AF60001-02.04.02

Hydraulic tank accessories F-1000 Bezel-AH33001-05.13

Touring car hook accessories DG225 brake device 103.04.01.00

Cylinder liner piston accessories F-1300 cylinder liner gland

35×35 BOP AccessoriesFZ35-35 gate shaft dust ring seat JK00309-23

Water loss reduction for oil well cementAgent KC-1A

 

Field Fault Repair Cases

Case 1: SNC70-30 Mud Pump Power End Failure

An SNC70-30 OFM600S mud pump experienced unstable operation and abnormal noise due to a worn crosshead pin and slotted nut. Replacing the 3101008166 crosshead pin and 3101008164 nut restored smooth pump operation and full hydraulic pressure.

Case 2: FZ35-35 BOP Seal Leakage

An FZ35-35 BOP developed fluid leaks during well control operations due to a damaged O-ring and dust ring seat. Installing the φ95*3.1 O-ring and F751.14.18 dust ring seat eliminated leaks and restored pressure containment.

Case 3: ZJ45 Winch Intermediate Shaft Malfunction

A ZJ45 rig winch suffered inconsistent tension and slippage due to a broken tension spring. Replacing the 012.05.09 tension spring and calibrating the winch tension system restored stable lifting performance.

Frequently Asked Questions (FAQ)

Question

Answer

Are the SNC70-30 crosshead pins compatible only with OFM600S power ends?

Yes, the 3101008166 crosshead pin is a direct OEM replacement designed exclusively for SNC70-30 OFM600S mud pump power end assemblies.

What BOP model uses the FZ35-35 left cylinder head JK00309-2L?

This cylinder head is precision engineered for FZ35-35 BOP assemblies, ensuring proper hydraulic actuation and pressure containment for well control operations.

What drilling systems use Beam HMP Hydrophobic Association Polymer?

This coating agent is formulated for water-based and oil-based drilling fluid systems, improving hydrophobicity and shear stability for onshore/offshore drilling operations.

Closing Section: Procurement Reference & Call to Action

This complete lineup of drilling rig, BOP, mud pump spare parts and drilling fluid additives serves as both a definitive procurement reference standard and a practical technical troubleshooting guide for oilfield maintenance, fluid formulation, and procurement teams. Every item is backed by strict API certification, OEM compliance, and field-proven performance data, ensuring you source reliable parts and additives that mitigate unplanned downtime risks, optimize drilling performance, and reduce long-term maintenance expenses. Whether you need emergency rig drive shaft replacements, BOP seal repairs, mud pump power end overhauls, or high-performance drilling fluid additives, these direct-fit, durable components and additives meet global oilfield safety and operational standards. Investing in these precision-engineered products guarantees stable rig power transmission, leak-proof well control, efficient mud pump operation, and enhanced drilling fluid performance, avoiding costly drilling shutdowns in even the harshest oilfield environments. Secure your supply of these certified, OEM-compatible components and additives to match your exact repair, replacement, and fluid formulation needs, and keep your critical drilling and well control equipment running efficiently and safely.

 

contact us 

Emeil: [email protected]  

whatsapp: +86 15275658619


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