 Superior Energy Services OTCMKTS:SPNVD and Schlumberger NYSE:SLB are both oilsenergy companies, but which is the better stock? We will compare the two businesses based on the strength of their analyst recommendations, dividends, institutional ownership, earnings, profitability, risk and valuation. Profitability This table compares Superior Energy Services and Schlumbergers net margins, return on equity and return ... 