If you are looking at dividend-paying oil stocks today, there are three interesting ways to play the sector.Oil and natural gas are highly volatile commodities. That's probably the first lesson that investors in energy stocks learn from owning shares in companies like Chevron (CVX 1.94%) and Devon Energy (DVN 0.69%). Even more-stable industry participants, like Enterprise Products Partners (EPD 1.38%), can see their value shift around because of investor sentiment.But there's a reason to consider all three ...