非洲是全球石油勘探程度较低的地区，油气风险勘探主要依靠外国公司。
Africa is a region relatively under explored, where oil and gas exploration is mainly carried out by foreign companies.
针对风险勘探所面临的问题，就我国境外风险勘探的政策体系构架问题提出了设想。
In consideration of problems that may occur, the frame of China's risk-taking exploration system in foreign countries is explained.
虽然我国经历了多年境外风险勘探的实践和探索，但是步伐缓慢，在实践中面临很多问题。
Although having experienced many years for risk reconnoitering, its step was always very slow, and facing many problems in practice.
自1993年开始进行风险勘探以来，钻探目标主要是背斜圈闭，主要油气藏类型均为背斜或断背斜型。
Since 1993, the drilling targets of this basin have been focused on anticline traps all along.
该大型岩性气藏的发现，说明川西地区浅层气仍然具有大的勘探前景，遂宁组气藏将是浅层扩展评价勘探和风险勘探的重要目标。
The Suining Formation gas pools will(serve as) the key target of extended assessment and risk exploration of the shallow gas in the study area.
一些中国投资者所收购的公司，其矿山还处在开发或勘探的较早阶段。这种收购风险更高，但也可能更加赚钱。
Some Chinese investors are buying companies with mines that are at earlier stages of development or exploration, a riskier but potentially more profitable proposition.
油气勘探经济评价包含着许多不确定性的风险因素，它们对油气勘探过程和决策至关重要。
There are many uncertain risk factors in economic evaluation of oil and gas exploration, which are of the utmost importance to the process and decision of oil and gas exploration.
风险分析是油气勘探项目投资决策的最关键部分。
The risk analysis is the most crucial element in the investment decision-making of oil-gas exploration project.
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。
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.
小井眼具有可降低钻井成本，减小勘探风险，有利于环保倍受石油界广泛重视。
The advantages of the slim hole such as reducing cost of drilling, eliminating the risk of the exploration as well as being beneficial to the environment has caught oil field's attention.
由于墨西哥湾深水作业的成本和风险都很高，所以这种成像技术决定是否继续勘探。
With the high costs and risks of deepwater operations in the Gulf of Mexico, such imaging is key to continuing its exploration.
而信息的稀少或不完善，又导致了油田勘探和开发过程的高风险。
But incomplete or sparse information contributes to high levels of risk for oil exploration and development.
部分构造破碎，勘探和开发的地质经济风险很大。
They risk much on exploration and development with structures broken in part.
济阳坳 陷白垩系沉积特征的研究程度较 低，使得这一层位的油气资源勘探存在较大风险。
There exists high risk for oil-gas resource exploration owing to the low study of sedimentary characteristics of Cretaceous in Jiyang depression.
天然气及石油矿床的勘探的背后是高昂的成本与巨大的经济风险。
The prospecting for natural gas and crude oil deposits involves extremely high costs and economic risks.
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。
But this area possesses exploration risk with lower exploration scales and complicated gas reservoirs formation mechanism.
认为向石油勘探开发上扩展风险较大，向石化下游延伸，大力发展精细化工是提高经济效益的好途径。
It concluded that there was a risk to spread petrochemical business to oil and gas exploration and only development of fine petrochemicals could actually increase economic benefits.
准确的地层压力预测不仅能规避钻探风险，还能指示油气的运移方向，为油气勘探提供依据。
Accurately predicting the pressure underground could not only decrease drilling risks, but also indicate the migration path of oil and gas.
海洋石油开发是一个高风险、高投入的行业，在勘探、开发过程中因工作液使用不当等因素引起的油田储层损害会造成巨大损失。
The offshore oil industry is built with high risks and investment intensified. Improper use of operating fluids during development stage may cause reservoir damages.
油气勘探风险评价方法包括石油地质风险和技术经济风险。
The evaluation method of risks in oil-gas exploration involves the evaluations of risks in petroleum geology and technological economy.
在油田开发与勘探中，钻井作业工序繁多，操作复杂，具有高投入、大规模、高风险的特点。
At the stage of exploration and development, the working procedures of drilling operation are various, operation is complicated, and the characters are high investment, large-scale, and high risk.
因此在滚动勘探过程里，需要进行地震、地质综合研究，进而准确地把握油气藏特点，减少开发风险，获取最大的效益。
Therefore, the method of using seismic and geology for comprehensive research is a good way to identify the feature of reservoir, reduce development risk, and get maximum benefit.
灰色关联分析方法可以在微机上定量评价勘探早期的圈闭性质，降低勘探风险，提高勘探成功率，是油气勘探构造圈闭评价方法应用技术的新突破。
The method of gray correlative analysis can assess the quality of trap, reduce the risk of exploration, and improve the success ratio of exploration. It is the new breakthrough of applicable t…
风险大是因为没人能保证在勘探时能井井见油。
The risks are great because no one can guarantee he can find oil every time he sinks a well.
同时能够降低四川及其周边地质条件复杂地区的易发生卡钻、漏失、垮塌等井下复杂情况的风险，为加快该地区勘探开发速度打下坚实的基础。
At the same time, hope this paper can provide the basis of scene actual operation for accelerating the development of natural gas in Sichuan and its surrounding areas.
同时能够降低四川及其周边地质条件复杂地区的易发生卡钻、漏失、垮塌等井下复杂情况的风险，为加快该地区勘探开发速度打下坚实的基础。
At the same time, hope this paper can provide the basis of scene actual operation for accelerating the development of natural gas in Sichuan and its surrounding areas.
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