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Service rigs, otherwise known as workover rigs, have changed dramatically over the past few years. Previously known as “guyed rigs”, traditional service rigs would feature load transmitting cables that went from the top of a derrick to the ground in order to stabilize a rig.
However, service rigs have been abandoned and redesigned to meet the requirements of the latest version of the API 4F 4th Edition code, which governs mast and derrick design.
The new style of service rig is now known as a free stand service rig, and it uses outriggers or load beams for support instead of the previously used cables.
How does a free stand service rig work?
The traditional service rigs used cables going from the top of the derrick to the ground to help stabilize the rig. These load lines were anchored so that the rig would be capable of handling a substantial load, even in serious weather conditions.
The code shifted away from this equipment as there were safety concerns around the action of drilling an anchor into the ground, which the cables (or guyes) attached too. This means free stand service rigs no longer use attached cables for support.
Since the change, there have been safety concerns with free stand rigs due to the tall, slender derrick of the free stand. Without the previous use of cables, this derrick is self-supported and required to support substantial loads in heavy winds.
Here at Sparta Engineering, we have managed to solve those safety concerns with our free stand rig design. Our free stand safety rig is the right choice to keep your workers safe and improve the efficiency of your business.
The free stand service rig designed by Sparta Engineering has eight main components:
- Levelling jacks
- Center Load beam
- Load beam wings
- Engineered Tow Lug
A superior product
The Sparta Free Stand Service Rig has moved away from aluminum, which is very susceptible to cracking and fatigue issues, and now uses QT-100 steel for increase weight lifts and a much longer lifespan for the product.
This material means our Free Stand Service Rig is not only lighter, but twice the strength of typical mast designs.
This higher-strength material, also known as high-tensile steel, is used in many of Sparta Engineering’s designs and it has proven to create a far more superior product to other materials. Your company will be able to save money on new equipment, carry heavier loads and provide greater safety to employees.
Another exclusive aspect of our free stand rig is our unique arch design, which transmits stress to the ground in a highly efficient manner while spanning difficult terrain. This means our free stand service rig is far more forgiving on uneven ground as well as when planking beneath the beam.
Looking for improved efficiency?
We are confident in saying the Sparta Free Stand Service Rig has one of the quickest deployment times in the industry. The design features a hydraulically driven folding beam that retracts and folds up for transport for optimum efficiency.
Our Sparta Free Stand Service Rig is custom-designed for your manufacturing operations, meaning your company is able to save time and materials on each project with equipment that’s built specifically for your needs.
Contact us today to learn more about how our Sparta Free Stand Service Rig is changing the industry.