Getty Images The Permian Basin is a production marvel.Energy investors continue to be more skittish than a cat on the loose at the Westminster Dog Show. Permian Basin energy companies reported reasonably good results in early August — not surprising since this oil patch stretching through West Texas and New Mexico is one of the best places in the world to produce crude. But there were negatives as well, like some well delays, reports of higher costs, and a rising percentage of less-profitable natural gas in the production mix, from Pioneer Natural Resources PXD, +0.30% and Parsley Energy PE, +0.08% among others.via