 WTI crude oil touched 74.99 a short time ago but sagged into settlement at 73.67, finishing about 80-cents higher on the day in a choppy session.Pioneer Natural Resources CEO Scott Sheffield was just on CNBC making the bull case for oil. He argued that the model for shale is changing, with companies focused on mitigating decline rates and preserving acreage rather than growing. Sheffield predicts shale growth will slow to about 300k bpd in the next two years. Earlier today, Sh... 