Why Choose Rubberatkins Testers & Mandrels?

Precision Engineered

Manufactured to exact tolerances to ensure accurate fitment, reliable sealing performance, and repeatable testing results.

Built for Harsh Environments

Designed for high-pressure, high-temperature (HPHT) applications and challenging drilling, completion, stimulation, and production environments.

Enhanced Operational Reliability

Engineered to maintain sealing integrity, provide dependable pressure isolation, and support long-term tool performance.

Custom Engineering Capability

Available as standard products or fully bespoke solutions tailored to specific tool geometries, operating conditions, and project requirements.

Complete System Compatibility

Designed to integrate with Rubberatkins cups, packer elements, sealing systems, and downhole tools.


Product Range

F-Cup Testers

Reliable Downhole Pressure Testing and Well Integrity Verification

Rubberatkins F-Cup Testers are engineered to provide dependable sealing performance during pressure testing, well completion, and intervention operations. Designed to create effective pressure barriers within tubing and casing, these testers help operators verify well integrity while maintaining sealing performance under challenging downhole conditions.

Key Features

  • Reliable pressure isolation
  • Precision-engineered sealing lips
  • High abrasion resistance
  • Excellent flexibility for dynamic sealing
  • HPHT capability
  • Long operational service life
  • Custom-engineered designs available

Applications

  • Well integrity testing
  • Pressure verification
  • Completion operations
  • Well intervention
  • Pressure control systems
  • Downhole testing tools

Thread Testers

Accurate Connection Verification and Pressure Testing

Thread Testers from Rubberatkins are designed to verify the integrity of API and premium threaded connections during manufacture, inspection, maintenance, and refurbishment activities. Engineered for reliable sealing under high-pressure conditions, they help prevent connection failures before deployment.

Key Features

  • Pressure-tight sealing performance
  • Repeatable testing accuracy
  • Wear and abrasion resistance
  • Compatible with multiple thread profiles
  • Suitable for workshop and field use
  • Custom configurations available

Applications

  • Connection integrity testing
  • API thread verification
  • Premium thread testing
  • Quality control programmes
  • Inspection and refurbishment projects
  • Manufacturing validation

Cup Mandrels

High-Performance Cup Support Systems

Rubberatkins Cup Mandrels provide a secure mounting platform for packer cups, swab cups, and sealing elements used throughout completion, intervention, testing, and production applications. Manufactured from high-strength materials, they deliver exceptional durability, load-bearing capability, and dimensional accuracy.

Key Features

  • Precision-machined construction
  • Secure cup retention design
  • High-strength structural performance
  • Available in multiple material grades
  • Internal bypass options available
  • Threaded, pinned or customer-specific connections
  • Suitable for single and multi-cup configurations

Benefits

  • Improved sealing performance
  • Increased tool reliability
  • Simplified installation
  • Long service life
  • Reduced maintenance requirements

Frac Mandrels

Engineered for Hydraulic Fracturing Operations

Frac Mandrels provide the structural foundation for frac cups, frac elements, and hydraulic fracturing sealing systems. Designed to withstand extreme mechanical loads and high differential pressures, they ensure reliable tool deployment and sealing performance during stimulation operations.

Key Features

  • High-strength design
  • Superior structural integrity
  • Optimised seal support
  • Enhanced durability
  • Pressure-rated configurations
  • Custom tool compatibility

Applications

  • Hydraulic fracturing
  • Well stimulation
  • Completion equipment
  • Pressure isolation systems
  • Multi-stage frac tools
  • Production enhancement operations

Technical Capabilities

Rubberatkins Testers and Mandrels are engineered to support:

  • High-pressure testing operations
  • HPHT applications
  • Well completion tools
  • Hydraulic fracturing systems
  • Pressure control equipment
  • Production optimisation tools
  • Intervention equipment
  • Custom downhole assemblies

Available with:

  • Carbon steel and alloy steel designs
  • Custom thread configurations
  • Internal bypass functionality
  • Surface and downhole deployment options
  • Single, dual, and multi-cup arrangements

Bespoke Engineering Solutions

Every application presents unique operational challenges. Rubberatkins works closely with operators, service companies, and OEMs to develop customised mandrels and testing solutions tailored to specific pressure ratings, geometries, tool interfaces, material requirements, and operating conditions. From concept development and prototyping through to full-scale production, our engineering specialists provide complete design and manufacturing support.


Related Products

Complete your sealing and testing package with other Rubberatkins solutions:

  • High Pressure Cups
  • Frac Cups
  • CRT Cups
  • Swab Cups
  • Hercules Elements
  • Frac Elements
  • Settable Cups
  • Chevron Seal Stacks
  • O-Rings
  • T-Seals
  • Bonded Seals
  • Custom Sealing Solutions

The Rubberatkins Advantage

Rubberatkins combines advanced elastomer technology, precision machining, in-house engineering expertise, and decades of oilfield experience to deliver products that improve equipment reliability, maximise operational efficiency, and enhance well integrity. Whether you require a standard tester, a custom mandrel, or a fully integrated sealing system, our team can develop a solution engineered for your application.


Contact Rubberatkins

Need support selecting the right tester or mandrel for your operation?

Speak with our technical specialists today.

Engineered to Perform. Built to Last.