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advance exploration    
相关语句
  超前勘探
    AN EFFICIENT MEANS FOR ADVANCE EXPLORATION IN DEAD ENDS-A REVIEW OF RESULTS OF RAYLEIGH WAVE PROSPECTING TEST FOR ADVANCE EXPLORATION IN UNDERGROUND COAL MINES
    独头巷道超前勘探的有效手段——瑞雷波勘探技术井下超前勘探试验结果述评
短句来源
    So far, few of means are available for efficient advance exploration in dead ends in coal mines.
    迄今,用于煤矿井下独头巷道超前勘探的有效手段寥寥无几。
短句来源
  超前勘探
    AN EFFICIENT MEANS FOR ADVANCE EXPLORATION IN DEAD ENDS-A REVIEW OF RESULTS OF RAYLEIGH WAVE PROSPECTING TEST FOR ADVANCE EXPLORATION IN UNDERGROUND COAL MINES
    独头巷道超前勘探的有效手段——瑞雷波勘探技术井下超前勘探试验结果述评
短句来源
    So far, few of means are available for efficient advance exploration in dead ends in coal mines.
    迄今,用于煤矿井下独头巷道超前勘探的有效手段寥寥无几。
短句来源
  超前勘探
    AN EFFICIENT MEANS FOR ADVANCE EXPLORATION IN DEAD ENDS-A REVIEW OF RESULTS OF RAYLEIGH WAVE PROSPECTING TEST FOR ADVANCE EXPLORATION IN UNDERGROUND COAL MINES
    独头巷道超前勘探的有效手段——瑞雷波勘探技术井下超前勘探试验结果述评
短句来源
    So far, few of means are available for efficient advance exploration in dead ends in coal mines.
    迄今,用于煤矿井下独头巷道超前勘探的有效手段寥寥无几。
短句来源
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So far, few of means are available for efficient advance exploration in dead ends in coal mines. The conventional advance drilling is time—and Laborconsuming and low efficient, and prone to cause water inrush. Rayleigh wave prospecting is a new geophysical method which uses Rayleigh waves as effective waves for seismic prospecting from zero to tens of meters. Its line length—penetration depth ratio can be as high as 1: 20, that is 1 to 2 meter line length configuration can provide a penetration depth...

So far, few of means are available for efficient advance exploration in dead ends in coal mines. The conventional advance drilling is time—and Laborconsuming and low efficient, and prone to cause water inrush. Rayleigh wave prospecting is a new geophysical method which uses Rayleigh waves as effective waves for seismic prospecting from zero to tens of meters. Its line length—penetration depth ratio can be as high as 1: 20, that is 1 to 2 meter line length configuration can provide a penetration depth of 30 to 40 meters. So, it fully meets the requirements for advance detection in dead ends. This method originally designed to surface use has been moved in underground mines, and proved successfull for detecting faults, goafs and washouts. No doubt, it is a brand—new geophysical method for advance detection in dead ends in coal mines, and will play an important role in safe excavation and coal production.

迄今,用于煤矿井下独头巷道超前勘探的有效手段寥寥无几。常规的钻探方法费工、费时、效率很低,而且有引起突水的危险。瑞雷波勘探方法是一种使用瑞雷面波作为有效波进行零到几十米范围内地震勘探的新型物探方法。它的测线基距与勘探深度的比值可以达到1∶20以上,即1~2m的测线布置,勘探深度可达30~40m以上。完全适用于独头巷道超前勘探的需要。把这样一种地面地质勘探的方法技术移植到井下,在煤巷、岩巷中进行超前探测断层、空巷、冲刷带的试验并获得成功,无疑为煤矿井下独头巷道的超前探测开创了一种全新的物探手段,必将在煤矿的安全掘进和生产方面发挥重要作用。

During the Eighth Five-Year Plan,four oilfields(Cainan,Shixi,Mabei,and Xiaoguai)and one oil pool(in the southern District No.5) were discovered in Junggar basin,exceeding the plan of oil/gas reserves increase in the Eighth Five-Year Plan.These results benefit from the implementation of stratigies in oil industry″to maintain the oil production in the east and develop oil resources in the west″and″take equal efforts in oil and gas development″,along with new theories on petroleum exploration and advanced...

During the Eighth Five-Year Plan,four oilfields(Cainan,Shixi,Mabei,and Xiaoguai)and one oil pool(in the southern District No.5) were discovered in Junggar basin,exceeding the plan of oil/gas reserves increase in the Eighth Five-Year Plan.These results benefit from the implementation of stratigies in oil industry″to maintain the oil production in the east and develop oil resources in the west″and″take equal efforts in oil and gas development″,along with new theories on petroleum exploration and advanced exploration techniques.During the Ninth Five-Year Plan,more efforts should be taken in the hinterland of the basin and attempts to new discoveries in the slope zone of northwestern basin continue.Goaling at better economic efficiency,oil and gas develop simultaneously for new discoveries in the eastern basin and eastern slope of Changji sag.Medium-to small-size basins in its periphery continue to be under survey,foredeep steep structures and deep drilling techniques should be deeply understood.These areas are expected to be new objectives of interest for exploration.Basin simulation,trap description and reservoir delineation techniques are used more and structures of reservoirs sequence improved so as to obtain a benign circulation of petroleum exploration.

“八五”期间,在准噶尔盆地先后发现了彩南、石西、玛北、小拐等4个油气田和五区南油气藏,超额完成了“八五”计划所规定的油气储量增长任务。这些成绩是由于认真贯彻了“稳定东部,发展西部”、“油气并举”的石油工业工作方针,以新的油气勘探理论为依据,以先进的油气勘探技术为手段取得的。“九五”期间盆地的油气勘探应以盆地腹部为重点,继续深化西北缘斜坡区的勘探;以经济效益为中心,油气并举,力争在准东、昌吉凹陷东斜坡有新的发现;继续探查外围中小型盆地,攻克山前陡构造和深部钻探技术,为油气勘探准备新的接替区;应用盆地模拟、圈闭描述、油藏描述等三大评阶技术,不断改善资源储量序列结构,使油气勘探步入良性循环轨道。

Fracture system plays an important role in researching petroleum geology and reservoir formation regularity.As for those areas where the exploration and research are low-level, we should widen thought trains to carry out varieties of exploration and research work with the full aids of favorable conditions in each areas.Advanced exploration technology must be fully utilized,meanwhile much attention should be also paid to surface geological survey,especially to the development significance of...

Fracture system plays an important role in researching petroleum geology and reservoir formation regularity.As for those areas where the exploration and research are low-level, we should widen thought trains to carry out varieties of exploration and research work with the full aids of favorable conditions in each areas.Advanced exploration technology must be fully utilized,meanwhile much attention should be also paid to surface geological survey,especially to the development significance of discovered surface oil seepages. Fissured oil-bearing and bitumen-bearing showings are widely distributed within Cretaceous red sandy rock strata in Yiyang Basin,Jiangxi province,and Jinqu Basin,Zhejiang province. It is shown that the distribution of these showings is under the control of regional fracture system.Surface oil seepages will be accumulated usually in the places where fracture system is accompanied with well porous and permeable sandy rock.

断裂系统在油气地质及成藏规律研究中具有重要意义。对于勘探和研究程度较低或很低的地区,应拓宽思路,充分利用各个地区的有利条件,开展多样的勘探和研究工作。在充分依靠先进勘探技术的同时,还应重视地面地质调查,尤其是重视已发现的地表油苗价值的开发。江西弋阳盆地和浙江金衢盆地白垩系红色砂质岩层内广泛分布裂缝性含油、含沥青显示说明,其分布明显受区域性断裂系统的控制。断裂系统与孔渗性相对较好的砂质岩配置,可形成地表油苗相对富集。

 
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