In 2005 it had proven recoverable coal reserves of 171 million tons.

These reserves were the largest in the world until Venezuela announced they had increased their proven reserves to 297 Gbbl in January 2011.

Over a trillion barrels of reserves have been proven, and more are likely to be found.

Two thirds of proven reserves are in the Persian Gulf, one of the world s most volatile regions.

They are also home to many of the world s critical natural resources, possessing around 60 of proven oil reserves.

Russia is the world s largest oil and gas exporter, sitting on more than 25 of total proven gas reserves.

The six biggest Middle Eastern oil producing countries officially hold around 740 billion barrels (Gbs) of proven oil reserves.

Those four states contain half of the world s proven oil reserves and two thirds of what could potentially be exported.

Compared to the preceding year another 40.4 in crude oil reserves were proven in 2010, allowing Venezuela to surpass Saudi Arabia as the country with the largest reserves of this type.

Oil is extracted and processed by Petroleum Development Oman (PDO), with proven oil reserves holding approximately steady, although oil production has been declining.

Western officials were also swayed by concerns about the stability of supplies in the Middle East, which accounts for a large proportion of the world s proven reserves.

ONGC Mittal Energy is keen to secure blocks with proven reserves, but also is less concerned about the fine detail of the infrastructure packages than their Asian competitors.

and perseverance, proven character and proven character, hope

Indeed, the remaining carbon emissions budget until 2050, adherence to which is required to limit the global temperature increase to 2 C, is five times smaller than the carbon equivalent of proven fossil fuel reserves.

A proven approach

Proven drafting skills

(b) the estimation of mineable deposits, when such deposits have been identified, which shall include details of the grade and quantity of the proven, probable and possible (polymetallic sulphide) (cobalt crust) reserves and the anticipated mining conditions

Guilty until proven innocent?

Reserves

The country has the world's largest natural gas reserves, the 8th largest oil reserves, and the second largest coal reserves.

Western officials were also swayed by concerns about the stability of supplies in the Middle East, which accounts for a large proportion of the world s proven reserves. Some developing countries, most notably Brazil, have discovered huge potential offshore riches.

I must be proven wrong.

These hopes have proven illusory.

The Project has proven controversial.

Africa s natural gas reserves amount to about 8 of global reserves.

AIMS is now a proven model.

That case is not yet proven.

Our own history has proven that.

(l) Other reserves

(j) Operating reserves

The accused is innocent until proven guilty.

A generation later, he was proven right.

These two sites have proven very successful.

Such activities have proven to be successful.

(g) Transfers to reserves

Deregulation had proven to be a dismal failure.

Other reserves comprise the following

Second, countries with large accumulations of dollar reserves will be shifting substantial fractions of those reserves into euros.

Covering this drop in reserves more than half of gas reserves and a fifth of oil reserves have been consumed with imports implies an annual cost of more than 300 billion.

Ahmadinejad has proven resourceful in driving the diplomatic conflict.

But experience has proven that this approach leads nowhere.

The selection of indicators has proven to be challenging.

My ability to conduct comprehensive legal analysis is proven.

There are times when being proven right brings no pleasure.

France s bet on nuclear power is a more proven option.