XtremeGrip liner hangers from Halliburton installed at record depths
Halliburton XtremeGrip liner hangers have been installed to a depth of 30,924 feet in the Gulf of Mexico Hess-operated Stampede deepwater development, setting a record depth for the XtremeGrip system. To facilitate the completions, Halliburton installed a total of 37 XtremeGrip expandable liner hangers across seven wells to date, with no liner-top leaks or remedial work required.
The challenge for Halliburton on the Stampede project was to isolate multiple hydrocarbon-bearing sands across the drilling and production liners with cement. The XtremeGrip system's unrestricted flow path prior to setting, and its ability to rotate while cementing, provided effective and reliable isolation without costly cement remediation.
Each Stampede well includes up to five XtremeGrip liner installations, making the consecutive liner runs a major part of the well construction process. The installations began with hanging a 13 7/8-inch drilling liner inside a 16-inch casing. The subsequent hangers support another drilling liner, followed by two production liners, through multiple reservoirs. Each well then had a production liner tied back with a scab liner for structural integrity.
"In technically challenging offshore environments, safe and flawless execution is vital to the ultimate success of the project," said Mark Dawson, vice president of Halliburton Completion Tools. "We are very pleased with the reliability of the XtremeGrip system in ultra-deep wells. Supported by Hess' highly collaborative work environment, we delivered the excellent results achieved on the Stampede wells. The overall scope of these projects cumulated in hanging over 143,000 feet of liner casing, over 27 miles, at a total buoyed weight of 9.3 million pounds. Halliburton provided these impressive results without any costly liner-top remediation for our customer."
The Stampede deepwater oil and gas development is located 115 miles south of Fourchon, La., in the Gulf of Mexico (Green Canyon Blocks 468, 511 and 512) in approximately 3,500 feet of water, with a reservoir depth of 30,000 feet. Hess safely achieved first oil in January 2018, just over three years after project sanction, and despite the technical challenges faced by working with one of the most complex reservoirs in the Gulf.