If all goes as planned, this Friday U.S. Well Services (USWS), a company that specializes in fracking shale wells using gas-fired electric (as opposed to diesel) engines, will begin to trade its stock publicly. USWS has operations in the Marcellus/Utica, as well as other plays. Does the company sound familiar? Last week we told you that Pittsburgh-based driller Huntley & Huntley has contracted with USWS to frack the wells it is drilling (see Huntley & Huntley to Use Gas-Powered Electric Fracking in SWPA). Although USWS is “going public,” it’s not doing so via an IPO (initial public offering). Instead, “blank check” firm Matlin & Partners Acquisition Corp. is investing in (essentially buying out) USWS and taking it public. Top management at USWS will mostly stay in place. What’s that? What’s a “blank check” company?