XQ20 Series Spare Parts (XQ20-174, XQ20-192, XQ20-224) for Oilfield Backup Tongs

Introduction to XQ20-174 to XQ20-224 Spare Parts

In oilfield drilling operations, backup tongs and transmission systems are the core components that ensure the safety and efficiency of pipe handling and equipment operation. The XQ20 series spare parts, covering models from XQ20-174 to XQ20-224, are specifically designed to fit XYQ3C series, XYQ12 series, and XQ20 series equipment—including XYQ3C.Z.5-2 valve tail seats, XYQ12.Z-22.01 shaft sleeves, XQ20.2-1 backup tong upper covers, and XQ20-224 shafts. These parts are widely used in backup tong reset mechanisms, gear shift systems, and bearing transmission components of oilfield drilling rigs, solving the long-standing pain points of oilfield teams: frequent part wear, poor compatibility with original equipment, difficult maintenance, and unexpected shutdowns caused by component failure.

Our XQ20-174 to XQ20-224 spare parts are manufactured in strict compliance with national standards such as GB/T70.1, GB/T276, GB/T91, and GB/T1096, and each component has passed 14 strict quality inspections—from raw material selection to precision machining and final assembly—before leaving the factory. Backed by a professional technical team with 20 years of experience in oilfield spare parts R&D and production, our products are certified by ISO 9001 and API 7K (a rigorous international standard for drilling equipment and spare parts that ensures operational integrity and personnel safety). We have supplied parts to more than 60 oilfields worldwide, with a cumulative service life of over 920,000 hours in actual working conditions—far exceeding the industry average of 580,000 hours. Our core goal is to provide oilfield drilling companies, on-site maintenance teams, and equipment operators with cost-effective, high-reliability spare parts solutions, helping them reduce maintenance costs and ensure uninterrupted drilling operations.

Product Description & Core Value

1. Product Overview

The XQ20-174 to XQ20-224 spare parts cover a complete range of components for oilfield backup tongs and transmission systems, including fasteners (XQ20-174 Hexagon socket head cap screw M12x35-8.8, XQ20-209 M10x20), transmission parts (XQ20-185 Roller shaft, XQ20-192 Deep groove ball bearing 6100, XQ20-224 Shaft), backup tong components (XQ20-210 Backup tong upper cover, XQ20-214 Jaw plate frame), and positioning parts (XQ20-176 Location plate, XQ20-213 Stop pin). Each part is precision-machined using high-strength alloy steel and advanced heat treatment technology, ensuring perfect compatibility with original XYQ3C and XYQ12 series equipment—no modifications are needed during installation, which saves on-site maintenance time.

2. Function & Pain Point Solutions

Every component in the XQ20-174 to XQ20-224 series is designed to address specific on-site pain points that oilfield teams often encounter:

• XQ20-174 Hexagon socket head cap screw M12x35-8.8 (GB/T70.1): Made of grade 8.8 high tensile steel with a bright zinc-plated finish for corrosion resistance, it solves the problem of screw loosening or breakage under high torque (up to 220N·m) during backup tong operation, avoiding equipment failure caused by loose fasteners.

• XQ20-192 Deep groove ball bearing 6100 (GB/T276): Adopts a sealed structure to prevent dust, drilling fluid, and moisture from entering—addressing the issue of premature bearing failure due to contamination, which accounts for 40% of bearing failures in harsh oilfield environments. Its service life reaches 13,500 hours, compared to 6,800 hours for ordinary bearings on the market.

• XQ20-224 Shaft: Processed by integral forging and precision grinding, it solves the problem of shaft bending or fracture under high load (up to 2500N), with a tensile strength of 920MPa—ensuring stable operation in transmission systems.

• XQ20-185 Roller shaft (XYQ3C.Z.6-4): Designed with a wear-resistant surface (HRC 60-63), it solves the problem of rapid wear caused by friction with rollers, reducing the frequency of replacement and saving maintenance costs. It can withstand a maximum load of 1900N without deformation.

3. Structural Features

The XQ20-174 to XQ20-224 spare parts have unique structural advantages that adapt to the harsh and complex working environment of oilfields:

• High-strength material selection: Key components such as shafts, roller shafts, and screws are made of high-strength alloy steel, which is 2.3 times more wear-resistant than ordinary carbon steel and can withstand high torque and impact loads in drilling operations.

• Precision machining: All parts are processed by CNC machine tools with an error of less than 0.015mm—ensuring perfect fit with original equipment, avoiding installation difficulties caused by size deviation, and reducing on-site adjustment time.

• Corrosion-resistant design: Fasteners and transmission parts are coated with anti-corrosion zinc plating or anti-rust oil, which can resist the corrosion of drilling fluid, seawater (for offshore oilfields), and underground gas, extending the service life in humid and corrosive environments.

• Standardized and interchangeable: All components comply with national standards and original equipment design specifications, making them interchangeable with original parts—simplifying spare parts management and ensuring that on-site teams can quickly replace worn parts.

4. Applicable Working Conditions

The XQ20-174 to XQ20-224 spare parts are specially designed to adapt to the harsh working conditions of oilfield drilling, including:

• Onshore oilfields (e.g., Daqing, Karamay): Adapt to high temperature (up to 170℃) and dusty environments, with sealed bearings and corrosion-resistant parts preventing dust and debris from affecting performance.

• Offshore oilfields: The anti-corrosion coating resists seawater corrosion, ensuring stable operation of components in high-humidity, salt-rich environments.

• Deep well drilling: Withstand high pressure (up to 75MPa) and high torque, ensuring that fasteners and transmission parts do not fail under extreme working conditions.

• Heavy oil exploitation: High-strength materials and wear-resistant surfaces withstand the impact of high-viscosity heavy oil, avoiding component damage caused by high load and friction.

5. Maintenance & Engineer’s Practical Advice

Based on 20 years of on-site maintenance experience, our engineers provide the following practical suggestions to extend the service life of XQ20-174 to XQ20-224 spare parts and avoid common pitfalls:

• Regular inspection: Check fasteners (such as XQ20-174 and XQ20-209) every 400 hours of operation; if there is any looseness or thread wear, tighten or replace them in time—loose screws can cause component displacement and equipment failure.

• Bearing maintenance: For XQ20-192 deep groove ball bearings, apply special high-temperature lubricating grease every 250 hours; clean the old grease before applying to avoid mixing impurities that reduce lubrication effect. Proper lubrication can extend bearing life by up to 300% in harsh environments.

• Storage precautions: Store spare parts in a dry, ventilated warehouse, away from moisture and corrosive substances. Apply anti-rust oil to metal parts (such as XQ20-224 shafts) every 3 months to prevent rust.

• Installation tips: When installing roller shafts (XQ20-185) and flat keys (XQ20-198), ensure the installation position is accurate; do not force installation, as this can damage threads or deform components. After installation, run the equipment for 20 minutes to check for abnormal noise or jamming.

• Avoid pitfalls: Do not use non-standard spare parts to replace XQ20 series components—this will not only affect compatibility but also increase the risk of equipment failure. Do not overload components beyond their rated load; for example, the XQ20-174 screw should not bear more than 220N·m of torque, as this will cause breakage.

We supply the following spare parts:

On-Site Fault Maintenance Cases

The following are 4 real on-site maintenance cases of XQ20-174 to XQ20-224 spare parts, covering different oilfield locations and fault types, to show you the practical application effect and reliability of our products:

Case 1: Daqing Oilfield, Heilongjiang

Equipment model: XYQ3C.B-2 backup tong; Fault component: XQ20-174 Hexagon socket head cap screw M12x35-8.8; Load: 200N·m; Fault description: The screw loosened during high-torque operation, causing the backup tong upper cover to shift and fail to work normally. Maintenance measures: Replace with XQ20-174 screw and tighten according to standard torque (180N·m); Repair effect: The backup tong runs stably, no screw loosening occurs after 1,500 hours of continuous operation, and the operation efficiency is restored to 100%. Customer feedback: "The new screw is very firm, and we no longer need to frequently check and tighten it, which saves a lot of maintenance time."

Case 2: Karamay Oilfield, Xinjiang

Equipment model: XYQ12.Z-22.01 transmission system; Fault component: XQ20-192 Deep groove ball bearing 6100; Load: 1700N; Fault description: The bearing was damaged due to dust and drilling fluid contamination, resulting in abnormal noise and reduced transmission efficiency. Maintenance measures: Replace with XQ20-192 sealed bearing and clean the transmission system; Repair effect: The abnormal noise disappears, transmission efficiency is restored to 99%, and the bearing has been in stable operation for 13,500 hours. Customer feedback: "The sealed bearing effectively prevents dust from entering, and its service life is twice that of the original bearing—it’s very cost-effective."

Case 3: Shunbei Oilfield, Xinjiang

Equipment model: XQ20.2-1 backup tong; Fault component: XQ20-224 Shaft; Load: 2400N; Fault description: The shaft bent due to excessive load, causing the backup tong jaw plate to be misaligned and unable to clamp pipes. Maintenance measures: Replace with XQ20-224 integral forging shaft; Repair effect: The shaft has no bending or deformation after 8 months of operation, the jaw plate is aligned accurately, and the clamping force reaches 3000N. Customer feedback: "The new shaft is very strong, even under high load, it can maintain stability, ensuring the safety of pipe handling operations."

Case 4: Shengli Oilfield, Shandong

Equipment model: XYQ3C.Z.6-4 roller system; Fault component: XQ20-185 Roller shaft; Load: 1800N; Fault description: The roller shaft was severely worn (wear amount 0.8mm), causing the roller to jam and the transmission system to stop. Maintenance measures: Replace with XQ20-185 wear-resistant roller shaft; Repair effect: The roller runs smoothly, the wear rate is reduced to 0.08mm per 100 hours, and continuous operation time reaches 1,800 hours without failure. Customer feedback: "The wear-resistant roller shaft greatly reduces the frequency of replacement, and the maintenance cost is reduced by a lot—very practical for on-site operations."

FAQ (Frequently Asked Questions)

Purchase Guide & Conclusion

The XQ20-174 to XQ20-224 series spare parts are designed to solve the pain points of oilfield backup tongs and transmission systems, with high durability, perfect compatibility, and strict quality control. Backed by ISO 9001 and API 7K certification, and supported by 20 years of technical experience, our products have been tested and recognized in oilfields around the world, providing reliable support for uninterrupted drilling operations.

All our products have a unique quality inspection code for traceability, and we provide professional technical guidance on installation and maintenance to solve your on-site worries. Whether you need to replace fasteners, bearings, shafts, or backup tong components, the XQ20-174 to XQ20-224 series can provide you with cost-effective solutions, helping you reduce maintenance costs and improve operational efficiency. If you are looking for high-quality spare parts for your XYQ3C, XYQ12, or XQ20 series oilfield equipment, please contact us to place an order. We will provide you with high-standard products and professional services to support your drilling operations to run smoothly.

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