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Halliburton expands Dash system capabilities

By  OE Staff Tuesday, 07 February 2017 18:46

Halliburton (HAL) released the Dash Large Bore Subsea Safety System, which provides full electrohydraulic control of well safety and intervention functions. The fully customizable system brings new benefits to deepwater operators for completion and intervention work that improve critical well control of the subsea safety system, tubing hanger and deepwater subsea field developments.

HAL designed the system to isolate the lower landing string in six seconds or less, disconnect from the lower landing string in ten seconds or less and provide downhole data for greater confidence in decision-making.

The two larger bore sizes, 6.375in and 7.375in, in addition to the existing Dash 3in system, broadens the use of HAL electrohydraulic subsea safety systems. Operators will now have the ability to deploy this technology across the full breath of their ultra-deepwater offshore operations to help minimize operational risk.

"The Dash large bore system adds to our capabilities by providing a technology that we believe is more effective and efficient," said Grant Roscoe, vice president of testing and subsea, HAL. 

Noble Energy used the Dash large bore system during recent plug and abandonment operations in the Gulf of Mexico. Dash served as the primary well control barrier and blowout preventer. According to HAL, this dual functionality eliminated the need for alternative measures during the operation, which reduced rig time by several days.

Image: Dash Large Bore Subsea Safety System/Halliburton

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2018-09-26 11:30:35am