28 Mar 2026

Workover Spare Parts for SPM TWS-600S Pump & Weatherford Power Tong

Core Purpose & Target User Demand Alignment

This comprehensive suite of precision-engineered spare parts is purpose-built for SPM TWS-600S series hydraulic mud pumps, Weatherford 16-25 model power tongs, RGF1000 series air-powered hydraulic units, and Brandt VSM 300 shale shaker systems. It addresses the mission-critical, high-reliability needs of onshore/offshore drilling rig maintenance teams, pump repair technicians, well service crews, and industrial drilling equipment procurement managers.

The specific industry pain points solved include:

 Premature failure of high-pressure shaft seals (P109379) leading to costly fluid leaks and equipment damage in SPM TWS-600S pumps.

 Incomplete sealing of IBOP (Inner Blowout Preventer) assemblies (30177550-2) compromising well control safety during pressure testing and well interventions.

 Inconsistent sealing performance and rapid wear of power tong components (103314-001) resulting in unsafe pipe-handling operations.

 Degradation of screen panels (62735FTDD165) reducing solids control efficiency and shortening the life of downstream drilling equipment.

 Mismatched aftermarket part tolerances causing installation delays and unplanned downtime in critical wellsite systems.

All components are manufactured to exact API 7K, API 16A, and HG4-692 standards, ensuring direct interchangeability with original equipment. This eliminates the risk of secondary modification, on-site rework, or compatibility issues, serving as a definitive reference for both procurement specifications and on-site technical troubleshooting. Whether for daily routine maintenance, emergency fault repair, or comprehensive equipment overhauls, these parts deliver unmatched durability to reduce total maintenance costs and maximize operational uptime.

Product Introduction

We supply a full spectrum of heavy-duty, field-proven spare parts tailored for the most demanding oilfield drilling and workover applications. Core product models include P109379 shaft cover seal for SPM TWS-600S pumps, 30177550-2 IBOP soft seal repair kit, 103314-001 power tong O-ring for Weatherford 16-25 tongs, 62735FTDD165 165-mesh shaker screen panel, and QYB35-175L air-powered hydraulic pump assembly.

Every component is crafted from premium-grade raw materials using precision CNC machining, vacuum heat treatment, and high-performance polymer molding processes. Backed by over 25 years of petroleum machinery parts manufacturing expertise and a rigorous five-stage quality inspection protocol, our products meet or exceed global drilling equipment safety and performance certifications.

We have conducted extensive field validation and laboratory testing on all core components:

 The P109379 shaft cover seal demonstrates a wear rate reduction of 60% compared to standard aftermarket alternatives in abrasive mud environments.

 The 30177550-2 IBOP repair kit maintains a pressure integrity of 15,000 PSI during continuous operation, exceeding API 16A test requirements.

 The 103314-001 power tong O-ring achieves a continuous service life of 2600 working hours in high-torque, high-abrasion conditions.

 Each part is manufactured with a dimensional tolerance control of 0.008 mm, ensuring perfect fit and eliminating installation errors.

Key Function Descriptions

Pump & Hydraulic System Components

 P109379 Shaft Cover Seal: Specifically engineered for SPM TWS-600S pumps, this seal forms a critical dynamic barrier between the pump cover and rotating shaft. It prevents high-pressure mud/hydraulic fluid leakage, protects internal bearings from abrasive contamination, and maintains pump efficiency by reducing energy waste.

 30177550-2 IBOP Soft Seal Repair Kit: Provides a comprehensive sealing solution for Inner Blowout Preventer assemblies. It restores the pressure-containing integrity of IBOP components, preventing wellbore fluid from escaping during well control operations and ensuring compliance with API 16A safety standards.

 QYB35-175L Air-Powered Hydraulic Pump: Delivers reliable, high-pressure hydraulic power for remote wellsite operations. Complete with three sets of repair parts, it enables quick field maintenance and extends the operational life of the pumping unit.

Drilling Tool & Well Control Accessories

 103314-001 Power Tong O-Ring: Designed for Weatherford 16-25 power tongs, this O-ring provides a dynamic seal in the power tong's hydraulic system. It prevents fluid loss, maintains consistent clamping force, and ensures safe, precise pipe handling during drilling and well intervention operations.

 118844-16-8 Self-Lubricating Bearing: Supports heavy radial and axial loads in drilling equipment. Its self-lubricating design eliminates the need for frequent maintenance, reduces friction, and extends service life in high-temperature, high-vibration environments.

 DQ020.01.01.12 Die & 1300126404 Brake Head: Form critical components of drill pipe handling systems. The dies provide the gripping force to secure drill pipe, while the brake head ensures controlled, safe positioning of heavy drill string components.

Solids Control & Support Equipment

 62735FTDD165 Screen Panel: Manufactured for Brandt VSM 300 shakers, this 165-mesh screen efficiently separates solids from drilling mud. It prevents oversized particles from circulating back into the wellbore, protecting pumps, valves, and drill bits from abrasion and wear.

 S03-1019-010 POLYPAK Seal: A high-performance packing seal designed for drill string components. It provides reliable sealing in harsh drilling environments, resisting mud erosion, chemical corrosion, and extreme temperature fluctuations.

Structural Features

 Sealing Components: Utilize advanced polymer composite materials. The P109379 seal incorporates a nitrile rubber base with a woven PTFE wear-resistant layer to withstand high abrasion. The 30177550-2 kit features a multi-layered sealing structure with fabric reinforcement to distribute pressure evenly and prevent extrusion.

 Hydraulic Fittings & Adapters: Precision-machined from high-tensile steel with corrosion-resistant plating. The H15-520120-08-08 adapter ensures leak-free connections between ORFS and ORB ports, maintaining system pressure integrity.

 Bearing & Transmission Parts: Self-lubricating bearings (118844-16-8) feature a porous metal construction impregnated with solid lubricant. This design provides continuous lubrication, reduces maintenance, and performs reliably in dry or contaminated conditions.

 Screen Panels: Constructed from high-tensile stainless steel wire cloth with reinforced edges. The 62735FTDD165 panel is designed for maximum open area while maintaining structural integrity, ensuring efficient solids separation and preventing screen blinding.

Applicable Operating Conditions

These spare parts are engineered to thrive in the harshest onshore and offshore drilling environments. They are designed to operate reliably under:

 Ambient Temperature: -40°C to 150°C, adapting to arctic, desert, and tropical drilling conditions.

 Maximum Working Pressure: Up to 20,000 PSI for well control components and up to 5,000 PSI for hydraulic system parts.

 Environmental Media: Resistance to drilling mud, crude oil, saltwater, salt spray, and corrosive chemicals.

 Mechanical Loads: Withstand continuous heavy radial and axial loads, as well as intense mechanical vibration inherent to drilling operations.

They are ideal for applications including deep well drilling, shale gas exploration, offshore workover, and heavy-duty mud pumping. All parts maintain stable performance during high-frequency start-stop cycles and long-duration continuous operation.

Maintenance & On-Site Engineer Practical Tips

1. Seal Replacement Best Practices: When replacing P109379 shaft seals or 30177550-2 IBOP seals, always replace the complete seal assembly. Thoroughly clean the seal groove and mounting surface to remove any burrs or grit, as these are the leading causes of premature seal failure. Apply a thin layer of compatible lubricant during installation to prevent tearing.

2. Power Tong Maintenance: Inspect 103314-001 power tong O-rings every 600 working hours. Replace them if there is any sign of cracking, hardening, or fluid leakage. Maintain proper hydraulic fluid cleanliness to prevent contamination from damaging the O-ring and valve components.

3. Bearing Care: Lubricate self-lubricating bearings (118844-16-8) with a high-temperature grease during initial installation. Never mix different grease types. Replace bearings immediately if you detect abnormal noise, vibration, or uneven wear.

4. Screen Panel Inspection: Check shaker screens (62735FTDD165) daily for wear, damage, or blinding. Replace damaged screens promptly to maintain solids control efficiency. Inspect the screen mounting hardware for tightness to prevent premature failure.

5. Storage Protocols: Store rubber and plastic components in a cool, dry, dark environment away from direct sunlight and chemical fumes to prevent premature aging. Keep metal parts protected from rust and moisture.

We supply the following spare parts:

Seal, p/n: P109379. Equipment: SPM TWS-600S pump. Usage: cover D

Lower intermediate ring, R01-1006-010

ADAPTER, MALE 1/2 ORFS, MALE 1/2 ORB H15-520120-08-08

Screen panel BRANDT VSM 300 Cascade 165 Mesh 62735FTDD165

IBOP – Repair Kit – Soft Seals Art.No. 30177550-2

J10032A-13 HOSE 13” WITH COUPLING

Seat valve GH3161-05.11.11

JZG41dead rope anchor

Impeller, 6x5x13 Open 19121-90-30

1560-603-0028 lock washer

Spring 01.01-23 ZQ203-049

ZQ203-289 Rubber sleeve 1/2×1 — 14MPa M22×1.5 L= 1850Hose

 5402650803dryerAD-9/800514

BK-Z10 Explosion-proof heater

shaft Н20612-02-33

Impeller, 6x5x14 Open 19121-100-30

Steel ball 19 4500200017

06.02-07 IDLER SHAFT

DEFLECTOR ASSEMBLY, 641116108 22210-1A

5300200657 HG4-692oil sealPG100×130×12 N008Nitrile rubber

AIR POWERED HYDRAULIC PUMP WUTH 3 SET REPAIR PARTS QYB35-175L

Crown block saver QY70 23R6-18F

Self-lubricating bearing 118844-16-8

POLYPAK S03-1019-010

Bearing pad, p/n SB56J0015

Front bearing Scomi Oiltools G0006005

Differential discharge valve 107028-1 ANB

 ORing 1061×8.6BOP PUG FH35-35

Lower band 6066-55

Die 3.5″ DQ020.01.12.01 №1200437624 DQ500Z

O-Ring OB Bearing Cover 7496-26

nipple plug 1,5 cone 10″ 6066-73

ORING, FOR POWER TONG, MODEL: 16-25, MAKE: WEATHERFORD, P/N: 103314-001

Wire clamp JZ500.1-8

Grease seal GH3161-04.05 (G)

Brake head SKD80-HD № 1300126404 DQ500Z

chain 28A 1-3/4″ 28A-2 5401500006

6875002 PLUG

GASKET AH1301010306

SB34J0018 Bearing, Pump – Centrifugal

H25393 DIP STICK

Balancing plate 6×5×14 G0006050

Bearing 234 GB276-64 RG

Piston component collar 110061-326

Copper Sleeve 02-05M (KлеMоBый)

Semi-Rod QF36001-04.11

pressure pipingRGF1000-05.08

 Pulley; 71847 NOV, workover unit

30173521

MOTOR ASSY DRILL AC (HELICAL) #118217 PINION GEAR ,HELICAL P/N:117939

 

On-Site Field Fault Repair Cases

Case 1: Bakken Oilfield, USA - SPM TWS-600S Mud Pump

Equipment Model: SPM TWS-600S triplex mud pump

Operating Load: 3200 PSI working pressure, 65 m³/h mud circulation

Fault Performance: Experiencing chronic leakage from the shaft cover (P109379), resulting in fluid loss, safety hazards, and reduced pump efficiency.

Repair Solution: Replaced the worn P109379 shaft cover seal with our high-performance replacement.

Post-Repair Index: Zero fluid leakage under full load, pump efficiency restored to 99%, and the seal achieved a continuous service life of 2700 working hours.

Customer Feedback: "This seal completely solved our persistent leakage problem. We haven't had a single issue with the pump shaft seal since installation, and our maintenance team has saved countless hours on repairs."

Case 2: North Sea Official Platform, UK - BOP System

Equipment Model: 18-3/4" API 16A BOP stack

Operating Load: 15,000 PSI wellbore pressure, saltwater corrosion environment

Fault Performance: IBOP assembly was failing pressure tests due to seal degradation (30177550-2), posing a significant safety risk.

Repair Solution: Removed and replaced the faulty soft seal assembly with the 30177550-2 repair kit.

Post-Repair Index: Zero pressure leakage after a 30-minute 18,000 PSI test. The new seals demonstrate excellent resistance to saltwater corrosion and maintain pressure integrity.

Customer Feedback: "The repair was quick and straightforward. The part is a perfect OEM match, and it has restored the safety integrity of our BOP stack. We can now operate with complete confidence in the harsh marine environment."

Case 3: Permian Basin Oilfield, USA - Weatherford Power Tong

Equipment Model: Weatherford 16-25 mechanical power tong

Operating Load: 60-ton drill string load, high-temperature desert environment (48°C)

Fault Performance: Power tong hydraulic system was leaking, resulting in inconsistent gripping force and unsafe pipe handling (103314-001 O-ring failure).

Repair Solution: Replaced the worn O-ring and performed a full system flush.

Post-Repair Index: System pressure is now stable and holds at the set value. The tong operates with consistent clamping force, and no fluid leakage has been observed after 1200 hours of operation.

Customer Feedback: "This simple replacement fixed a potentially dangerous situation. Our power tong now operates with complete reliability, and we have noticed a significant improvement in safety during pipe handling operations."

Case 4: Gulf of Mexico Workover Rig, USA - Shale Shaker System

Equipment Model: Brandt VSM 300 shale shaker

Operating Load: Continuous solids control in high-solids drilling mud

Fault Performance: Screen panels (62735FTDD165) were blinding and wearing out rapidly, reducing solids control efficiency and accelerating wear on downstream pumps.

Repair Solution: Replaced the damaged screen panels with our high-performance replacement.

Post-Repair Index: Solids control efficiency restored to optimal levels, pump wear reduced, and the new screens achieved a continuous service life of 1800 working hours.

Customer Feedback: "The new screens have completely transformed our solids control. We've noticed a significant reduction in pump wear and a more stable drilling fluid system. The quality is outstanding."

Frequently Asked Questions (FAQ)

Question

Answer

Are these spare parts fully compatible with SPM TWS-600S pumps and Weatherford 16-25 tongs?

Yes. All core components, including P109379 shaft seal, 30177550-2 IBOP kit, and 103314-001 power tong O-ring, are manufactured to exact OEM specifications and API standards. They support direct, drop-in replacement without any modification or rework.

What is the maximum pressure rating for the 30177550-2 IBOP repair kit?

This repair kit is designed to withstand a maximum working pressure of 20,000 PSI, exceeding API 16A requirements for well control equipment.

Do the P109379 seals work in abrasive mud environments?

Absolutely. Our shaft cover seals are specifically formulated to resist the high abrasion caused by drilling mud. They have been field-tested and proven to maintain their integrity in the most aggressive mud conditions, significantly outperforming standard aftermarket alternatives.

What materials are the 62735FTDD165 screen panels made of?

The screen panels are constructed from high-tensile stainless steel wire cloth with a 165-mesh opening. This design provides maximum open area while maintaining structural integrity, ensuring efficient solids separation and preventing screen blinding.

Do you provide technical support for installation and troubleshooting?

Yes. We offer comprehensive technical support, including installation guidelines, torque specifications, and troubleshooting advice. Our team of experienced petroleum engineers is available to assist you with any technical questions or on-site challenges you may encounter.

Procurement Guidance & Customer Support

For oilfield drilling and workover operations that demand uncompromising reliability, superior performance, and seamless compatibility, our comprehensive line of spare parts is the ideal solution. Covering every critical component of SPM TWS-600S pumps, Weatherford power tongs, and API 16A BOP systems, we offer a one-stop procurement resource to simplify your inventory management and reduce supply chain risks.

We provide complete product documentation, including detailed dimensional drawings, material specifications, and performance test data, to serve as a permanent reference for your procurement standards. Our dedicated technical support team is committed to helping you select the exact parts you need, ensuring correct installation, and maximizing the operational life of your equipment.

Whether you require a single emergency replacement part, a full set of maintenance components, or a customized solution for a specific application, we can provide the right parts with authoritative expertise. If you need to verify part compatibility, obtain detailed technical parameters, or proceed with a formal purchase, please contact our professional technical and sales team to receive personalized service and tailored solutions.

 

contact us 

Emeil: [email protected]  

whatsapp: +86 15275658619


Prosperity Petroleum Equipment

Quick Inquiry