But this area possesses exploration risk with lower exploration scales and complicated gas reservoirs formation mechanism.

但同时又是一个勘探程度低，成藏机制较为复杂，并且具有一定勘探风险的地区。

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High risks exist in the mining industry. The mining risk befell on the proprietor is, in fact, a continuation and succession of the owner's geologic exploration risk.

矿业项目具有高度的风险性，业主独自承担的采矿风险实际上是矿主勘查风险的延续和继承。

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Most heavy oil and oil sands are formed by biodegradation. Accurate prediction on the degree of biodegradation can reduce the exploration risk and optimize the production.

绝大部分重油和油砂都是由生物降解作用所形成，准确预测生物降解作用程度，能大大降低勘探风险并优化石油开发。

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Officials, including Mr Gabrielli, argue that since drilling in the pre-salt is now almost certain to yield oil, the rewards for investors in new blocks should reflect this lower exploration risk.

ECONOMIST: Brazil

In a high-risk move, Plains Exploration (PXP) is levering up big time in order to acquire wells in the Gulf of Mexico from the BP and Royal Dutch Shell.

FORBES: Plains Levers Up To Buy BP Gulf Assets: Borrows More Than Its Market Capitalization

Exxon in recent years has become increasingly risk averse in its wildcat exploration after a series of costly dry holes.

FORBES: Exxon's Declining Output A Sign Of The Times