The largest U.S. shale producers have not been tempted to drill aggressively by $90 oil, and they will not be tempted by $150 or even $200 oil to change their conservative production growth plans, executives at the biggest public shale firms said this week. The U.S. shale patch has been vowing capital discipline over the past two years, but the recent rally in oil prices--which are now 20 percent higher than they were on January 1, 2022--has started to pose questions for the market whether or when that discipline will break. Some...