Mid-Con Energy Partners, a owner, operator, and developer of oil and natural gas properties in the central United States, filed on Friday with the SEC to raise up to $140 million in an initial public offering. The Tulsa, OK-based company, which was founded in 2011 and booked $25 million in sales for the 12 months ended June 30, 2011, plans to list on the NASDAQ stock market under the symbol MCEP. RBC Capital Markets is the lead underwriters on the deal. No pricing terms were disclosed.