We conducted API 16F wear testing, comparing part performance between a LORD packer and a competitor's packer. API 16F wear testing could not be completed to the full 50,000 cycles on the competitor’s part due to premature failure. At 22,000 wear test cycles, the competitor’s packers developed a leak, requiring an increase in the actuation pressure on the competitor’s parts. By 45,000 cycles, the competitor’s packers were leaking severely enough that testing could not be completed. The “API 16F Wear Test Actuation Pressure” chart shows the LORD packer performing consistently through test completion (red line), whereas the competitor’s part failed prior to test completion (blue line).
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Telescopic Joint (Slip Joint) Packers
Drill longer, without interruption. TJ packers certified to second edition API 16F and manufactured using wear-resistant nitrile - designed to last 20x longer than standard nitrile.
Our API 16F second edition certified TJ packers are developed under strict process and quality controls to ensure that each part is manufactured consistently, with a strong bond. This attention to detail coupled with our elastomeric formulation capabilities and deep expertise in rubber-to-metal bonding, makes LORD TJ packers more reliable than the competition. With more reliable seals, you can drill longer without interruption, allowing you to drill multiple wells on just one set of TJ packers. Customers report that LORD TJ packers have demonstrated a field service life exceeding 12 months.
Features and Benefits
Features and Benefits
- Field-proven: wear-resistant nitriles outlast the standard nitriles employed in many TJ packers today
- Low actuation pressure enables operating primary packer on rig air supply
- Compatible with water: retains 90% of tensile strength in swell testing, compared to only 10-15% for polyurethanes
- Improved quality via our manufacturing techniques, process control, and rigorous quality standards
- Stable, reliable bonds, ensuring packers function properly even after an extended storage period
- Our hyperelastic FEA modeling optimizes design
- Inner and outer packers stocked for all OEM riser styles for quick turnaroun
API 16F 50K Wear Test Results
API 16F Second Edition subjects packers to extremely high friction, since the inner barrel is not lubricated during testing. Our in-house testing machine, overseen by third-party inspectors, allows us to perform the full range of API 16F testing on our wear-resistant nitrile packers. During wear testing, LORD packers lost less than 0.75% elastomer mass, compared to a pass/fail criterial of 10%. This chart shows the results of our testing against competitor packers, conducted in 2019.
*Lost ability to maintain pressure seal prior to 50K cycles.
Telescopic Joint (TJ) Packer Second Edition API 16F Certification
LORD TJ packers undergo abrasive testing to complete API 16F second edition certification.
Head-to-Head Comparison: Better Wear Resistance at Lower Operating Pressures
50,000 Cycle Complete Wear Test
Lower Operating Pressure
When testing LORD TJ packers vs. the competitor’s TJ packers, we found the LORD packer system required a much lower actuation pressure in order to seal, meaning you can operate the upper packer on rig air supply at most bore pressures. For instance, to seal a 25 psi bore pressure, LORD parts only required an applied pressure of 70 psi, whereas the competitor’s parts required 125 psi or more. In fact, we had to “shock” the competitor’s packers with a higher pressure to get them to seal initially.
Wear-Resistant Elastomer Development Background
Laboratory and field-tests have confirmed that our wear-resistant TJ packers last longer than the standard nitrile packers used in many slip joints today. In abbreviated wear testing to 6,300 of the 50,000 cycles specified in Standard API 16F, our packer had no measurable wear, whereas a standard packer lost 7% of its thickness. Field-test results demonstrated that the wear-resistant TJ packer lasted 20 times longer than a standard TJ packer. Customer feedback shows LORD TJ packers have demonstrated field service life of over 12 months. For further information, please see our OTC Technical Paper.
Elastomer Wear Comparison Chart
*The difference between the pre-test and post-test condition was not large enough to determine the change in thickness or weight.
Testimonials
Testimonials
Global rig contractor, Brazil Operations
"Since the OEM switched to LORD packers, we have had the same packers in service for over three years without replacement."
Subsea Engineer, India
"The upper slip joint packer saw 4 months service and although it was still holding, we followed our plan to replace it. Surprise, surprise – the removed packer was just like new – 98% good. This good result was what we were aiming for."
Global offshore rig contractor
"We require our rigs to only use LORD TJ packers on our Cameron telescopic joints."
Gimbal Bearings: Understand Your System to Select the Best Bearing
A look at gimbal bearing problems faced by a customer who was using a competitor’s pads—and the range of solutions provided by Parker LORD.
Predicting Fatigue Life and Monitoring Performance of Gimbal Bearings
Gimbal bearing elastomer degrades over time due to fatigue, and can exhibit indicators replacement is due long before loss of performance. These methods help ensure longer pad life.
Resources
Resources
Guidelines on when to change out your TJ packers.
Deepwater drilling contractors face extensive downtime for the replacement of elastomeric seals on floating rigs. LORD wear-resistant elastomers can improve the performance of seals, resulting in improved uptimes and reduced rig maintenance.
Product details for our TJ packers, designed to seal against the inner barrel of the slip joint.
Offshore drilling in remote location and through storms without expensive, unplanned downtime requires reliable and innovative products so you can drill longer and deeper without interruption.
Design Engineering Expertise, Strong Materials and Manufacturing Capabilities
Design Engineering Expertise, Strong Materials and Manufacturing Capabilities
Our strong foundation and technical knowledge in elastomer formulation enables us to create solutions that outperform the competition and continue to exceed customer expectations. Let us help you create a solution to solve problems encountered during offshore drilling.