Hawaii-based Firm Scaling Up Nanotech for Oil, Gas Apps
Nanotech surface treatment could boost pipeline flow assurance, says exec.
A "smart coating" initially developed to help U.S. Navy ships ply through water more efficiently could help pipeline operators transport more crude oil without using costlier larger-diameter pipe or adding horsepower to pumps, according to the head of a Hawaii-based science, engineering and technology firm.
"The use of nanomaterials opens up a whole new dimension," said Patrick Sullivan, founder and CEO of Oceanit. The company's "Anhydra" coating technology manipulates the properties of a surface at the nanoscale –1,000 times smaller than a human hair, he noted.
"If you can control surfaces at that scale, you can create structures with specific performances that would otherwise be impossible," continued Sullivan. "Being able to control something on that scale and then scaling it out creates tremendous efficiencies."
In the case of its original application as an antifouling coating to reduce drag on the hulls of naval vessels, Anhydra enables ships to go faster without expending extra energy for propulsion, Sullivan said. The coating helps surfaces to behave differently and actually extends the service life of the material to which it is applied, he explained.
Applications in Oil, Gas
Oceanit is researching and developing new formulations of Anhydra for the military as well as the aerospace, healthcare and oil and gas industries. In the latter case, the company sees considerable potential for the technology to enhance and protect metallic surfaces exposed to a wide range of temperatures and pressures both offshore and onshore. One potential application is an internal pipeline coating that repels crude oil – and the water and other constituents in it – in order to improve flow and prevent corrosion, Sullivan said. The technology's "ice-phobic" properties could also prevent methane hydrates from accumulating in subsea pipelines, he added.
"In the oil and gas industry it's a huge thing because if you can reduce the drag in a pipeline, that means for the same pump you get more distance or you can move material with the same amount of energy."
Aside from easing product movement inside pipelines, Oceanit's nanotech coating could also protect the exterior surfaces of pipelines, offshore platforms and myriad other oil and gas infrastructure from corrosion, added Sullivan. Coatings could be designed to repair scratches and abrasions, protect a metallic surface from the elements and preempt the onset of corrosion, he explained.
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