NOV leverages completion tool company acquisition to produce new line of completions technologies

National Oilwell Varco, Inc. (NOV) has leveraged the acquisition of a small completion tool company in mid-2016 that had limited scale and geographical reach but offered a high-quality sliding sleeve product line to create several new proprietary technologies added to its completion tools portfolio.

The acquisition brought a strong portfolio of intellectual property and a solid team into the NOV fold, said Clay Williams, NOV chairman, president and chief executive officer.

“Over the past year, this team organically developed several complementary products and supplemented that development with acquisitions of what we believe are best-in-class liner hanger and intelligent completion tool technologies. Today our completion tool business operates in 10 countries, has approximately 100 patents issued or pending, and we continue to expand our operations,” Williams said in a statement.

The new technologies include the Bulldog Frac annular fracturing system, which enables operators to precisely control the placement of proppant in each stage by pumping down the coiled tubing annulus through multiple open/close (MOC) sliding sleeves, providing for an unlimited number of stages and leaving no restrictions in the wellbore.

The Bulldog Frac system addresses the operational challenges of most MOC systems with a “shift up to open” design, performed with NOV’s proprietary hydraulic shifting tool, which ensures no sleeves are accidentally closed on the trip out, the company said.

The Bullmastiff fracturing system is a proprietary openhole sliding-sleeve system that incorporates sand screens to eliminate sand-production issues while maximizing production. The ball-drop frac sleeve component is the first to allow for proppant stimulation with integral sand control, segregating the stimulation port from the production port, NOV said. The Bullmastiff also incorporates NOV’s patented flex sleeve and sealing technology to allow for maximum stage-count flexibility.

Compact, large-bore Rottweiler frac plugs are the shortest on the market but still offer optimum performance during fracturing operations. They can be pumped in at high displacement rates, hold high differential pressure and are easily milled. Additionally, Rottweiler frac plugs are the only products to offer a built-in chemical tracer that provides real-time data on reservoir characteristics during frac jobs to enhance production, said NOV.

And the ReAct product family, which was acquired from Omega Completion Technology, offers remote signalling capabilities to downhole valves and sleeves. The technology can be utilized for a number of applications including programmable sleeves, which respond to a particular pressure or flow signal and require no hydraulic or umbilical lines to surface, NOV said.

The ReAct technology currently has applications for inflow control (for water shutoff or zonal isolation), liner hanger deployment, production packer setting and wellbore clean-up in preparation for flow-through sand screen completions. The company said the intervention-less solutions provide the lowest-cost intelligent completion technologies on the market.

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