This segment is from Tuesday's edition of "Digging for Value", in which sector analysts Joel South and Taylor Muckerman discuss energy & materials news with host Alison Southwick. The twice-weekly show can be viewed on Tuesdays & Thursdays. It can also be found on Twitter, along with our extended coverage of the energy & materials sectors @TMFEnergy .

With third quarter earnings season now underway, investors should be excited to see if Core Laboratories (NYSE:CLB) can continue its impressive run of record quarters. Normalized EPS is expected to be $1.34 but the real number to focus on is free cash flow. Core Laboratories is the clear leader in the oil and gas services business when it comes to margins and generating cash for shareholders. 

Joel South has no position in any stocks mentioned. Taylor Muckerman has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.