(SOI) raised $175 million in an initial public offering (IPO) on Friday, May 12th 2017. The company issued 10,600,000 shares at $15.00-$18.00 per share. Credit Suisse and Goldman, Sachs acted as the underwriters for the IPO and Morgan Stanley, Evercore ISI, Simmons (Energy Specialists of Piper Jaffray), Tudor, Pickering, Holt, Wells Fargo Securities, Raymond James, Oppenheimer, Seaport Global Securities and Wunderlich were co-managers.