ADNOC Cable Hose Chokers Solution for Hydraulic Hose Connections

Overview
ADNOC, one of the leading oil and gas operators in the Middle East, faced the challenge of ensuring the safety and reliability of high-pressure hydraulic hose connections between their Koomey units (or accumulator units) and the BOP (Blowout Preventer) control system. These hydraulic hoses are critical for the operation of the BOP system, which is essential for well control in both normal and emergency situations. ADNOC turned to RAAH Group for a customized Cable Hose Choker solution to meet their specific safety and performance requirements in harsh offshore environments.
Step 1: Initial Inquiry and Requirements Gathering
The ADNOC engineering team initially reached out to RAAH Group to inquire about a solution to secure the 1” hydraulic hose connections used in their Koomey units and BOP control systems. The hoses transmit pressurized hydraulic fluid, enabling the opening and closing of the BOPs—an integral part of well control during drilling and operational procedures.
Key Information Shared by ADNOC:
- Hose Specification: 1″ ID x 25′, 5000 PSI
- Hydraulic Fluid Application: Hydraulic Oil
- Operational Environment: Exposure to mud and other corrosive elements at the BOP area
- Application Context: Connecting hydraulic hoses between Koomey units and BOP control systems.
The system plays a critical role in safely and effectively controlling the BOP stack, enabling well control operations during emergencies by providing hydraulic power to close the BOPs. As such, ADNOC required hose restraint solutions that could withstand high pressure and environmental conditions while ensuring safety and durability.
Step 2: Customized Solution and Material Selection
RAAH Group’s team of experts worked closely with ADNOC’s technical team to design customized Cable Hose Chokers that would meet the demanding specifications of high-pressure hydraulic systems. The chokers were designed to secure hoses between the Koomey units (or accumulator units) and the BOP control system, ensuring safe operation during both routine and emergency conditions.
Customization Included:
- Material: Stainless Steel for enhanced corrosion resistance and long-lasting durability in offshore environments.
- Pressure Rating: Chokers tailored to withstand ADNOC’s operational pressure rating of 5000 PSI.
- Hose Diameter: Customized to fit the 1” hydraulic hoses used between Koomey units and BOP control systems.
- Safety Features: Strong static load capacities (up to 22,000 lbs) to ensure the integrity of the hydraulic connections.
Step 3: Sample Submission and Testing
To ensure the customized Cable Hose Chokers would perform as expected, RAAH Group sent samples for ADNOC’s testing. The samples were designed to match the exact hose sizes and pressure requirements, and the ADNOC team tested them on their equipment to assess performance.
Samples Provided:
- Part Nos. RGHSCC1/8” x .5” SS
- Part Nos. RGHSCC3/16” x 1” SS
- Part Nos. RGHSCC7/16” x 2.8” D SS
- Part Nos. RGHSCC ½” x 5” D SS
ADNOC conducted tests on the hydraulic hose connections, verifying the chokers’ effectiveness in securing hoses under pressure and ensuring their compatibility with the Koomey unit and BOP control system.

RAAH Safety Solutions provides critical safety equipment that enhances the safety, durability, and performance of hydraulic systems in offshore drilling environments.
Step 4: Feedback, Refinement, and Final Delivery
After completing the testing phase, ADNOC’s team provided feedback, confirming that the Cable Hose Chokers met their operational needs. RAAH Group promptly refined the products as required and initiated the production process. The final products, complete with certificates of conformity and test reports, were delivered to ADNOC for installation.
Final Specifications:
- Hose I.D. (Inside Diameter): 1″ to 5”
- Maximum PSI: 7500 max up to 20000 PSI
- Static Load Capacity: 22,000 lbs
- Material: Stainless Steel
- Certificates Provided: COO, COC, and Test Certificates
The chokers were designed for ease of installation and reliable performance, ensuring the safety of hydraulic hose connections in critical well control operations.
Step 5: Ongoing Support and Future Collaboration
With the successful installation of the customized Cable Hose Chokers, ADNOC’s team was able to replace the existing hose restraint system with a more durable and safer solution. The new chokers were fully operational and ensured that hydraulic connections between the Koomey units and BOP control systems would remain secure under high-pressure conditions.
RAAH Group continues to offer technical support, ensuring the reliability and safety of the system, and remains ready for future collaboration on any additional requirements or modifications.
Conclusion: RAAH Safety Solutions in Action
This collaboration between ADNOC and RAAH Group highlights the importance of tailored safety solutions in high-pressure environments. Through customized Cable Hose Chokers, RAAH Group was able to provide ADNOC with a solution that not only met the specific technical and operational requirements but also improved the safety of critical hydraulic hose connections.
The application of these Cable Hose Chokers in the hydraulic systems of Koomey units and BOP control systems exemplifies RAAH Group’s ability to deliver high-performance, customized safety solutions for the oil and gas sector, helping ADNOC enhance operational safety and reliability in offshore drilling operations.
Applications:
- Koomey Unit / Accumulator Unit: These units are designed to provide hydraulic power to operate BOPs, ensuring safety during normal and emergency operations. The Cable Hose Chokers ensure secure hose connections between the Koomey unit and the BOP control system, which is vital for closing and opening BOPs during well control operations.
- BOP Control System: The BOP system relies on hydraulic pressure to function, and the Cable Hose Chokers prevent any hose disconnections or failures, ensuring effective well control and minimizing the risk of accidents or blowouts.
Photo Provided by ADNOC: (Note: Insert the photo shared by ADNOC here, illustrating the hydraulic hoses and the connection points from the Koomey unit to the BOP control system.)


This case study is an example of how RAAH Safety Solutions provides critical safety equipment that enhances the safety, durability, and performance of hydraulic systems in offshore drilling environments.