The oil and gas sector is a complex system with lots of moving parts.  So when drilling projections for 2013 anticipate a slowdown, different industries within the sector could move in opposite directions. In this video, Motley Fool contributor Tyler Crowe breaks down which industries will continue to do well and which ones will get hurt.  Investors will want to keep an eye on equipment and services companies, because this could affect them the most. One company in this space that has a lot at stake is Heckmann (NYSE:NES). Will the slowdown across the U.S. take the company's fortunes with it? 

Fool Contributor Tyler Crowe has no position in any stocks mentioned. You can follow him on under TMFDirtyBird, Google +, or Twitter @TylerCroweFool.

Joel South owns shares of Schlumberger and Halliburton Company. The Motley Fool recommends Halliburton Company. The Motley Fool owns shares of Devon Energy, Halliburton Company, and Heckmann and has the following options: Long Jan 2014 $4 Calls on Heckmann and Short Jan 2014 $3 Puts on Heckmann. 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.