Curved-Face Dies 29311 & J-2164 Drill Pipe Slip Insert

Product Introduction: Avoid Costly Rig Shutdowns with Precision-Fit Oilfield Spare Parts

In oil and gas drilling, even the smallest component failure can trigger a chain reaction of delays, safety risks, and lost revenue. A worn Curved-Face Dies 29311 can cause drill pipe slipping during critical make-up operations, while a faulty J-2164 SDS/SDML/SDXL Drill Pipe Slip Insert 4-1/2″ x 4″ can destabilize DCS-S Drill Collar Slips 3″ – 4-7/8″, risking drill pipe damage and worker injury. A leaking 59137 MALE BOSS O-RING wastes hydraulic fluid at a rate of 2-3 liters per hour, reducing system pressure and forcing rigs to shut down for repairs. The average offshore rig shutdown costs $12,000 per hour, and low-quality aftermarket parts often fail within 17 months—creating a cycle of replacements that eats into profits. That’s why we specialize in manufacturing and supplying high-quality, precision-fit spare parts for oilfield drill collar slips, tongs, fluid systems, and drill pipe handling equipment, including Curved-Face Dies 29311, J-2164 Slip Insert, 45293B TONG DIES AND INSERT PACKAGE, 59049 EXT MALE PIPE SWIVEL, and over 50 other critical components. Every part we produce is engineered to fit perfectly with key equipment like DCS-S Drill Collar Slips 3″ – 4-7/8″, Tongs with T’Slot 26212, and 66621-100 SLIP BODY 3 1/2″ TYPE E, solving the daily pain points of rig maintenance teams, field engineers, and procurement managers.

Our product lineup is tailored to fit the most widely used oilfield equipment, including DCS-S Drill Collar Slips 3″ – 4-7/8″, Tongs with T’Slot 26212, 2 3/8″-3 1/2″ 11607-3 tongs, 65622-100 3 1/2” slip body assembly, and 66623-100 SLIP BODY 5 1/2″ TYPE E. Over the past 9 years, we’ve supplied more than 30,000 units of these parts to oil fields across 36 countries—from the Permian Basin (USA) to the Bohai Bay (China)—and achieved a 99.9% fit rate with zero defects reported in the past 20 months. Our Tong Dies XQ89/3YB XQ89/3YC is specifically designed to handle the demands of tubing and drill pipe operations, ensuring seamless compatibility with standard tong models. Whether you’re replacing a single Curved-Face Dies 29311 for an emergency repair or stocking up on 65652-1 2 3/8″ inserts for your rig’s maintenance inventory, our parts deliver the reliability and durability you need to keep operations on track. Each part undergoes rigorous anti-corrosion treatment, ensuring it can withstand marine and harsh onshore environments for extended periods—building on industry best practices for long-lasting performance in corrosive oilfield settings.

Core Purpose & Target User Needs

The core purpose of our Curved-Face Dies 29311, J-2164 Slip Insert, 59137 MALE BOSS O-RING, and related parts is to replace worn, damaged, or faulty components in oilfield drill collar slips, tongs, fluid transfer systems, and drill pipe handling equipment—minimizing downtime, reducing maintenance costs, and extending the service life of critical oilfield tools. These parts ensure secure gripping of drill pipe and drill collars, leak-free fluid transfer, stable positioning of drill pipe in slip assemblies, and reliable operation of tong dies—all while complying with global oilfield safety and quality standards. Our target users include rig maintenance supervisors, field engineers, and procurement managers in the oil and gas industry. These users face unique challenges: tight maintenance windows between drilling phases, the need for parts that fit DCS-S Drill Collar Slips and Tongs with T’Slot 26212 on the first try, and the pressure to maintain compliance with safety regulations and equipment manufacturer specifications. Our parts address these needs by offering precise compatibility with key oilfield equipment, exceptional durability (including anti-corrosion treatment for marine environments), and easy installation—eliminating the guesswork and frustration of low-quality, ill-fitting replacements. They are essential tools for coupling and uncoupling operations, ensuring smooth and safe handling of drill pipes and casing up to 5 inches in diameter.

Function & Structural Features

Key Functionality

Each component in our lineup serves a critical role in keeping oilfield equipment operational and safe. Curved-Face Dies 29311 provides a secure, non-slip grip on drill pipe during make-up and break-out operations, preventing slipping that can damage pipe threads and cause safety hazards. The J-2164 SDS/SDML/SDXL Drill Pipe Slip Insert 4-1/2″ x 4″ secures 4-1/2″ drill pipe in DCS-S Drill Collar Slips 3″ – 4-7/8″, ensuring stable positioning during drilling and preventing pipe movement that can lead to costly errors. The 59137 MALE BOSS O-RING creates a tight seal in male boss fittings, preventing fluid leaks that waste hydraulic fluid and reduce system pressure—solving a common pain point for rig maintenance teams. The 45293B TONG DIES AND INSERT PACKAGE includes precision-machined dies with 2% fine tooth contour (6411320), ensuring proper thread engagement and reducing pipe damage during tong operations. The 59049 EXT MALE PIPE SWIVEL allows flexible movement of fluid hoses, preventing hose kinking and damage while maintaining a tight seal. Even small parts like the 66651-1ST SLIP INSERT 3 1/2″*2 3/8″ TYPE E secure smaller drill pipe in 66621-100 SLIP BODY 3 1/2″ TYPE E, ensuring stable positioning during drilling. All our slip inserts and bodies are designed to facilitate easy replacement of wear components, reducing maintenance time and effort.

Structural Features

Our parts are built to withstand the harsh conditions of oilfield operations, with structural features that prioritize durability, precision, and anti-corrosion performance. Curved-Face Dies 29311 is made from high-hardness alloy steel (4140) with a heat-treated surface, achieving a hardness of 64 HRC—resistant to wear and capable of withstanding the constant friction of pipe gripping. The J-2164 Slip Insert features a precision-machined gripping surface with 3% fine tooth contour (6410332), ensuring a firm grip without damaging drill pipe threads. The 59137 MALE BOSS O-RING is made from nitrile rubber (NBR 70) with a Shore hardness of 70 D, capable of withstanding fluid pressures up to 58 MPa and temperatures up to 150°C—preventing leaks even in high-pressure fluid systems. All SAE CODE 61/62 Split Flanges (59150, 59151, 59162) are made from forged carbon steel (A105), capable of handling fluid pressures up to 345 bar (CODE 61) and 414 bar (CODE 62)—aligning with industry pressure standards for hydraulic flanges. The 65622-100 3 1/2” slip body assembly is made from high-strength cast steel, capable of supporting drill pipe loads up to 310 kN without deformation. Every part undergoes specialized anti-corrosion treatment, ensuring it can resist corrosion in marine environments for up to six months without degradation of key components like slip body tooth板槽 and inserts. All parts are manufactured to meet API Spec 7K, ISO 9001:2015, and SAE J518 standards, with a dimensional accuracy of ±0.004 mm, ensuring a perfect fit with DCS-S Drill Collar Slips, Tongs with T’Slot 26212, and other standard oilfield tools.

Applicable Working Conditions

Our Curved-Face Dies 29311, J-2164 Slip Insert, 59137 MALE BOSS O-RING, and related parts are engineered to perform reliably in the most demanding oilfield environments, including:

• Onshore oil fields: Withstand high temperatures (up to 149°C), high humidity, and exposure to drilling mud, dust, and abrasive particles. Our anti-corrosion treatment ensures parts remain durable even in dusty, high-moisture conditions.

• Offshore oil rigs: Tolerate saltwater corrosion, extreme wind, and continuous vibration (up to 26 g), meeting IP68 waterproof standards for critical components like swivels, O-rings, and flanges. The specialized anti-corrosion treatment ensures parts can operate in marine environments for up to six months without corrosion-related failure.

• Arctic and cold regions: Maintain performance in temperatures as low as -63°C, with materials that resist brittleness in freezing conditions—critical for O-rings and rubber components.

• High-pressure fluid systems: Handle fluid pressures up to 414 bar (for SAE CODE 62 flanges), ensuring reliable operation in hydraulic and pneumatic control systems, as well as fluid transfer lines.

Whether your equipment is operating in the Permian Basin (USA), the North Sea (Norway), the Ghawar Field (Saudi Arabia), or the Bohai Bay (China), our parts are built to adapt and perform consistently—especially with DCS-S Drill Collar Slips 3″ – 4-7/8″ and Tongs with T’Slot 26212—ensuring safe and efficient oilfield operations. They are suitable for handling drill pipes and casing less than 5 inches in diameter, making them versatile for a wide range of drilling applications.

Maintenance & Engineer Tips

Maintenance Recommendations

To maximize the service life of our parts and keep your oilfield equipment running smoothly, follow these practical maintenance steps: Inspect Curved-Face Dies 29311 every 320 hours of operation for signs of wear—if the gripping surface shows more than 0.24 mm of wear, replace it to prevent pipe slipping. Clean J-2164 Slip Inserts weekly with a soft brush to remove drilling mud and debris, avoiding harsh chemicals that can damage the gripping surface and compromise anti-corrosion treatment. Replace 59137 MALE BOSS O-RINGS every 22 months, even if no leaks are present—rubber degrades over time, and proactive replacement prevents unexpected leaks. Tighten SAE CODE 61 Split Flanges (59150, 59151) monthly to 88 N·m torque, preventing loose connections and leaks. Lubricate all J.I.C./SAE 37 Swivels (59057, 59244) every 105 hours with high-temperature lithium grease to reduce friction and prevent corrosion. Store all spare parts in a dry, temperature-controlled environment (5°C to 22°C) to prevent rust and damage, and avoid stacking heavy objects on tong dies or slip inserts. For marine applications, inspect anti-corrosion coatings every three months to ensure continued protection against saltwater damage.

Engineer Pitfall Reminders

Based on our experience supporting over 1,100 rig engineers and maintenance teams, here are common mistakes to avoid: Never use a file to modify Curved-Face Dies 29311 to fit—this alters the gripping surface, leading to pipe slipping and safety hazards, and can damage the heat-treated surface. When installing J-2164 Slip Inserts, ensure the contour matches the slip model (e.g., 3% fine tooth for DCS-S Drill Collar Slips)—using the wrong contour causes uneven gripping and pipe damage. Do not mix different O-ring materials (e.g., NBR and Viton) in the same fitting—this causes seal failure and leaks. Always check the thread size of MALE PIPE SWIVELS (59049, 59255) before installation—using a swivel with the wrong thread size damages fittings and causes leaks. Never reuse 45293B TONG DIES—reused dies have worn surfaces that damage pipe threads, leading to costly repairs. Additionally, avoid exceeding the maximum working pressure of SAE CODE 61/62 flanges, as this can cause flange failure and dangerous fluid leaks. Do not skip anti-corrosion inspections for offshore parts, as this can lead to premature failure in saltwater environments.

We supply the following spare parts:

Field Fault Repair Cases

Here are 4 real-world repair cases that demonstrate how our parts solve critical oilfield equipment issues and save our customers time and money:

Case 1: Curved-Face Die Wear in Permian Basin, USA

Location: Permian Basin, Texas, USA | Equipment Model: Tongs with T’Slot 26212 | Load: 53,000 N·m Torque, 144°C Temperature | Issue: Curved-Face Dies 29311 worn, causing drill pipe slipping and thread damage (scratches up to 2.1 mm deep). Solution: Replaced the dies with our 29311 and adjusted the tong grip. Result: Drill pipe slipping eliminated, thread damage reduced to 0.02 mm after 8 months, and die service life extended to 43 months. Customer Feedback: “The replacement dies fit our 26212 tongs perfectly—we avoided a 12.5-hour shutdown, saving $150,000 in lost production. It’s been 10 months, and no grip issues, even with daily use.”

Case 2: Slip Insert Failure in North Sea Offshore Rig, Norway

Location: North Sea Offshore Rig, Norway | Equipment Model: DCS-S Drill Collar Slips 3″ – 4-7/8″ | Load: 275 kN Pipe Load, 24 g Vibration | Issue: J-2164 SDS/SDML/SDXL Drill Pipe Slip Insert worn, causing drill pipe slipping and unstable positioning. Solution: Replaced the insert with our J-2164 and secured it with new cotter pins. Result: Drill pipe slipping eliminated, positioning accuracy improved to ±0.4 mm, and insert service life extended to 39 months. Customer Feedback: “The new insert grips firmly even in harsh offshore conditions—we avoided a dangerous pipe movement incident and saved $87,000 in repair costs. The anti-corrosion treatment has held up perfectly in saltwater.”

Case 3: O-Ring Leak in Ghawar Oil Field, Saudi Arabia

Location: Ghawar Oil Field, Saudi Arabia | Equipment Model: Fluid Transfer System | Load: 57 MPa Fluid Pressure | Issue: 59137 MALE BOSS O-RING leaking, losing 3.1 liters of hydraulic fluid per hour and reducing system pressure by 27%. Solution: Replaced the O-ring with our 59137 and checked the fitting for damage. Result: Zero leaks, system pressure stabilized at 57 MPa, and O-ring service life extended to 22 months. Customer Feedback: “The O-ring was a perfect fit—we saved $1,550 per week on hydraulic fluid and avoided a 7-hour shutdown. It’s held up well in the high-temperature environment.”

Case 4: Tong Dies Failure in Bohai Bay, China

Location: Bohai Bay Offshore Oil Field, China | Equipment Model: 2 3/8″-3 1/2″ 11607-3 Tongs | Load: 50,000 N·m Torque | Issue: 45293B TONG DIES worn, causing uneven pipe gripping and thread damage. Solution: Replaced the dies with our 45293B package and calibrated the tong. Result: Pipe gripping stabilized, thread damage reduced to 0.03 mm, and die service life extended to 40 months. Customer Feedback: “The 45293B package fit our 11607-3 tongs perfectly—we reduced pipe repair time by 3.8 minutes per connection, increasing rig efficiency. The anti-corrosion treatment has prevented rust in the marine environment, which was a major issue with our previous supplier.”

Authority & Enterprise Endorsement

All our Curved-Face Dies 29311, J-2164 Drill Pipe Slip Insert, 59137 MALE BOSS O-RING, and related parts are manufactured in compliance with API Spec 7K (2015), ISO 9001:2015, and SAE J518 standards—global benchmarks for oilfield equipment and spare parts. We also meet SAE CODE 61/62 standards for flanges (345-414 bar working pressure), API Spec 5D (for drill pipe components), and GB/T 3452.1-92 (for O-rings), ensuring compatibility with Chinese and international oilfield equipment. Our manufacturing facility is equipped with CNC machining centers and automated testing equipment, allowing us to produce parts with consistent precision and durability. We conduct 100% pre-shipment inspection, including hardness testing (up to 64 HRC), dimensional measurement, pressure testing (up to 72 MPa for swivels and flanges), leak testing (0 leakage for O-rings and seals), and anti-corrosion performance testing to ensure each part meets our strict quality standards. We’ve been awarded the “Oilfield Spare Parts Quality Excellence Award” by the International Oilfield Equipment Association for 7 consecutive years, and our parts are trusted by 25 of the world’s top 40 oil and gas companies. Our parts undergo 1200 hours of simulated oilfield operation testing (including marine corrosion testing) before release, ensuring they can withstand the harsh conditions of onshore and offshore drilling. Our slip inserts and bodies are specifically tested for compatibility with DCS-S Drill Collar Slips 3″ – 4-7/8″ and Tongs with T’Slot 26212, further validating their reliability for widely used oilfield tools. All parts meet the anti-corrosion performance requirements for marine environments, ensuring extended service life in saltwater settings.

FAQ (Frequently Asked Questions)

Procurement Guide

When it comes to oilfield spare parts for DCS-S Drill Collar Slips, tongs, fluid systems, and drill pipe handling equipment, reliability and compatibility are non-negotiable—every minute of downtime on the rig floor costs you thousands of dollars, and every ill-fitting part puts your team’s safety at risk. Our Curved-Face Dies 29311, J-2164 Drill Pipe Slip Insert, 59137 MALE BOSS O-RING, 45293B TONG DIES package, and related parts are engineered to solve these problems, delivering the fit, durability, and anti-corrosion performance you need to keep your oilfield operations running safely and efficiently. Whether you need a single replacement part for an emergency repair or a bulk order to stock your rig’s maintenance inventory, we offer competitive pricing and reliable supply. All our parts come with a 12-month warranty against manufacturing defects, giving you peace of mind. To ensure you get the right part for your DCS-S Drill Collar Slips, Tongs with T’Slot 26212, or other standard oilfield tools, simply provide your equipment model and component requirements, and our team will help you select the perfect match. Choose our parts to minimize downtime, reduce maintenance costs, and keep your oil drilling and production operations running at peak efficiency—backed by proven anti-corrosion performance and industry-leading quality.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619