Halliburton Launches Electrohydraulic Subsea Safety System For Deepwater Well Testing

HOUSTON, Tex. -- Halliburton has announced the release of the Dash 3 inch Subsea Safety System, a complete solution for electrohydraulic control of Halliburton’s subsea safety tree. Previously, control was provided through direct hydraulic pressure from the surface. This latest edition to the Dash series employs the speed of electrohydraulic actuation where it matters most—core safety functions—while still providing full direct hydraulic redundant control of all functions. This helps to increase reliability and provide more cost-efficient operation and maintenance.

Linking with downhole and surface read-out control systems, the Dash system enables analysis to help drive optimal performance and avoid non-productive time during deepwater dynamic testing.

“The system delivers industry leading response speed to critical well isolation, pressure containment and emergency disconnect functions,” said Abdalla Awara, vice-president of Halliburton’s Testing and Subsea business line. “It also offers a simplistic design that is easy to operate.”

Recently, the Dash Subsea Safety System was deployed on a deepwater well in Latin America from a vessel in 7,506 feet of water with over 400 hours of in-hole operational time. During this deepwater well test, Dash demonstrated a six second downhole safety shut-in followed by an eight second surface shut-in and disconnect. This result provides operators with increased confidence that the well can be isolated and unlatched in the shortest amount of time.

Dash fully integrates with Halliburton’s RezConnect Well Testing System. These technologies enable immediate and accurate decision making during well testing operations, helping operators more efficiently achieve their intended well test objectives while minimizing risk and reducing rig time.

Founded in 1919, Halliburton is one of the world's largest providers of products and services to the energy industry. With approximately 65,000 employees, representing 140 nationalities in over 80 countries, the company serves the upstream oil and gas industry throughout the lifecycle of the reservoir – from locating hydrocarbons and managing geological data, to drilling and formation evaluation, well construction and completion, and optimizing production through the life of the field. Visit the company's website at www.halliburton.com.


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