The petroleum industry must predict pore-pressure profiles accurately, often walking a fine line between pore pressure and fracture gradient as it drills and completes oil and gas wells. The industry ...

As operators plunge into deeper formations - many below 30,000 ft - ensuring hole size at total depth (TD) can be challenging. In the Gulf of Mexico, salt and sub-salt zones, pore pressure/frac ...

MILWAUKEE -- Probably, at some point in your life, you've seen a weather map similar to the picture below. It has red Ls and blue Hs all over the place, representing low and high pressure. Looking ...

Texaco Inc. is drilling what it says is the first dual-gradient well using a subsea-mudlift drilling system developed by a joint industry project led by Conoco Inc. The Shasta field No. 8 is in 910 ft ...