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Onshore Advances

Onshore drillers pull all available cost levers to economize wells

Precision Rig 580, drilling in the Niobrara Chalk, is a 1,500-hp rig with a maximum drilling depth of 20,010 ft.

Even at the end of 2015, there had been some small hope that there would be a slight recovery in oil prices by mid-2016, lifting onshore drilling activities somewhat higher later in the year. However, when oil prices sank below $30/bbl in January, such optimism faded. Instead, the fall further motivated cost-reduction efforts across the industry. Operators were pressured to continue cutting back on their rig count and to seek additional ways to enhance efficiency throughout the well construction process. Drilling contractors appear to be ridding themselves of older rigs and directing resources toward maintaining their newer, high-spec assets.

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BP, Oman extend license to develop second phase of Khazzan tight gas field

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BP and Oman Oil signed a heads of agreement with the Government of the Sultanate of Oman committing to amend the Oman Block 61 exploration and production sharing agreement (EPSA), extending the license area of the block and enabling a further development of the major Khazzan tight gas field. BP is the operator of Block 61 with a 60% interest and Oman Oil holds the other 40%.

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New model can help identify leading indicators for system failures

Dr Prasanna Tamilselvan, Senior Reliability Engineer at Bureau Veritas, speaks at the 2015 SPE Annual Technical Conference and Exhibition in Houston on 29 September. By following a methodology that includes data collection which analyzes past behaviors of a system, Dr Tamilselvan believes systems can avoid future failures.

The emerging field of prognostics and health management has been utilized to predict, and thereby prevent, failures in a number of industries, including aerospace and defense. “In oil and gas, we haven’t used prognostics and health management to predict the failures and to schedule the operation and maintenance activities based on failure predictions,” Dr Prasanna Tamilselvan, Senior Reliability Engineer at Bureau Veritas, said.

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