Today, Fool.com editors Joel South and Taylor Muckerman discuss Core Labs' big drop on Tuesday. The company slashed third-quarter expectations, citing Baker Hughes' rig count data, which is pointing to fewer land rigs in North America and therefore a reason to expect lower demand. 

Taylor suggests looking at some offshore companies, such as Halliburton and Schlumberger, as an alternative to some of the stresses Core Labs may be facing.

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Joel South owns shares of Schlumberger and Halliburton. Taylor Muckerman has no positions in the stocks mentioned above. The Motley Fool owns shares of Halliburton. Motley Fool newsletter services recommend Halliburton. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.