Sentence examples for decline rates from inspiring English sources

According to one senior Shell official in March this year, crude oil production decline rates are "as high as 15 to 20 per cent".

Investment needs, the report explained, are "far more sensitive to changes in decline rates than to the rate of growth of oil demand".

He explained to me that the agency's new projections were based on a major study it had undertaken into decline rates in the world's 800 largest oilfields.

"The very high decline rates of shale gas wells require continuous inputs of capital - estimated at $42 billion per year to drill more than 7,000 wells - in order to maintain production.

The same month, the head of Nigeria's petroleum resources department called for more investment in exploration to offset rapid decline rates: "Oil reserves are dropping, our output is dropping too..

Part of the problem, the report found, was that decline rates at existing fields were accelerating, meaning that more oil needs to be found and produced to keep global production from falling.

He may well be wrong about Saudi decline rates, but he is surely right in saying that: "With more transparency, any analyst can decide whether we have plenty of oil left or if we've already peaked.

Gas-industry whistleblower Art Berman describes how the shale gas gold-rush of recent years, now extending into shale oil, may well be a giant ponzi scheme: decline rates in wells are unexpectedly fast, meaning more and more have to be drilled at ever more expense, meaning ever more money has to be borrowed against cash flows from production that fall ever further behind.

We never said that we will have hundreds of years of oil... but what we have said is that this year, compared with past years, we have seen that the decline rates are significantly higher than what we have seen before.

The toxic combination of rising production costs, the rapid decline rates of the wells, diminishing prospects for drilling new wells, and a drilling program so out of control that it caused a glut and destroyed profitability, have finally taken their toll".

Her report shows that shale oil and gas reserves have been: "... overestimated by a minimum of 100% and by as much as 400-500% by operators according to actual well production data filed in various states... Shale oil wells are following the same steep decline rates and poor recovery efficiency observed in shale gas wells".