The South Pars gas field is the largest natural gas field in the world and holds estimated reserves of 16 trillion cubic meters of recoverable gas.

南帕尔斯气田是世界最大的天然气田，并拥有16万亿立方米，可采天然气储量估计。

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At the end of 2009 the United States had estimated reserves of 283.9 trillion cubic feet (8 trillion cubic metres) of natural gas, up 11% from the year before.

2009年末，美国估计其天然气储量为283.9万亿立方英尺(合8万亿立方米)，比上一年增长了11%。

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The estimated reserves of various ocean energy sources in our country, such as tide, wave, current, tidal current, ocean thermal energy and salinity gradient energy are given in this paper.

本文给出了我国各类海洋能资源（潮汐、波浪、潮流、温差、盐差和海流能）蕴藏量粗略的估算结果。

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He said the cost of reconstructing Iraq is estimated at $600-billion, and Iraq has massive oil reserves.

VOA: standard.2009.11.16

The company didn't give the estimated reserves or the potential output from the new discoveries.

WSJ: ONGC Makes New Discoveries in India

The oil firm has estimated reserves of at least 10-12 million barrels of oil in the lease area.

BBC: Dana Petroleum Egypt joint venture approved

Recent programs to assess reserves in limited areas using updated methods indicate that only a small fraction of previously estimated reserves are actually minable reserves.

FORBES: U.S. Crowned King of Coal, Some Disagree