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。
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。
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。
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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