共查询到20条相似文献，搜索用时 640 毫秒
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石油物探近30年来均以地震为主,随着科技的发展,单一依靠机械震动的波动场来搞石油物探已暴露出成本高、信息单一的严重缺陷,因此,在应用新一代测量仪器、充分发挥电子计算机作用和综合多种信息的“非地震物化探”技术系列应运而生,并获得了高速度的发展.所谓非地震物化探,实际上就是指应用地质体的重力场、电磁场、化学场等多种物化信息来做石油物探的前期准备和地震勘探的补充.尽管她还处在发展的初级阶段,但已有突破并展示了较好的前景. 相似文献
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LiangShengzheng 《应用地球物理》2003,6(1):70-77
The petroleum geophysical and geological comprehensive interpretation with whole-information of gravitational, magnetic, electrical and seismic methods has played an important role in the exploration and development of the buried-hill oil and gas pools in the Jizhong area, including the oil pools in the weathering surface of the buried-hill with “oil generated in the Cenozoic and accumulated in thePaleozoic”, and the gas pools in the buried-hill with “oil generated in both the Cenozoic and the Paleozoic, accumulated in the Paleozoic and sealed by the Mesozoic”. In recent years,high-precision gravitational and magnetic surveying and continuous electromagnetic profile (CEMP) prospecting were carried out on the Yangcun Slope that had been preliminarily recognized as a monocline in the Paleozoic structural-stratigraphy. After the geophysical and geological comprehensive interpretation with whole-information of gravitational,magnetic, electric and seismic data, the gas-bearing buriedhill zone of Matou-Huanghuadian was discovered. 相似文献
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HeZhanxiang LiuYunxiang HeYi LiuZebing YangLunkai 《应用地球物理》2003,6(1):17-21
Mashan is a typical area, complex on the surface,steep of the formations and complicated with the structures. It is very difficult to carry out seismic surveying. The preliminary result of the seismic prospecting indicated that only monoclines exist in the area. Drilling discovered Hetianhe gas field. After integrating non-seismic (gravity, magnetic and electromagnetic) prospecting, it was revealed that there exist two rows of structural highs, which were proved by the later seismic surveying. The paper analyzed all the data in the area and recognized that the integrated prospecting to be carried out in a complicated area is effective and necessary. 相似文献
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深海油气地震勘探进展和展望 总被引：7，自引：1，他引：7
20世纪90年代后期以来，随着深海技术的进步，寻找新型大油气田的成功率明显上升，深海勘探进入一个新的纪元。本文较为详尽的综述了近几年国外在深海石油地震勘探中的关键技术和新发现，主要包括：（1）似地震反射面勘探技术探测天然气水合物；（2）混合地震反演技术；（3）区域多次二维叠前深度偏移技术，（4）地震和地质力学方法，（5）近偏移距离压制多次波，在将来的10年，海底检波器随地形排列等方面将成为新的深海油气勘探发展趋势。 相似文献
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日本兵库县南部地区１９９５年的可控震源地震勘探计划为了弄清１９９５年１月１７日兵库县南部地震震源区的详细地壳构造和该地震断层附近的微细构造与物理性质，日本东京大学地震研究所计划利用可控震源进行地震勘探。这次勘探将与地震预报计划（“地下深部构造的综合调... 相似文献
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非洲和加拿大的绿岩带的三维几何形状受到重力、大地电流和地震反射资辩的相当好的约束.对比世界各地的绿岩,显示出它们的总体几何特征处处相似.它们具有典型的厚度约5km,并且有比较平坦的基底.可能由于构造史中的局部差异,使它们与周围花岗岩的接触的倾斜幅度和方向都不相同.绿岩中有时有席状花岗岩体侵入.较厚的花岗岩侵入体形成的岩基已经可以辨认出来.澳大利亚西部绿岩带的少数地球物理研究成果是可以利用的.尽管如此,由于重力数据显示出在某些情况下花岗岩-绿岩的接触带以平缓的角度向远离绿岩带倾斜(逆倾),也有证据表明有些花岗岩是岩席.根据这些观测结果推断,矿化的绿岩可能存在于花岗岩露头区下方.非洲南部的默奇森(Marchison)绿岩和东部金矿区的证据表明,矿化带和隐伏花岗岩岩体之间存在空间相关性.因为最新的花岗岩是由于重力“低”而发现的,所以在绿岩带内区域重力测量可能是一等有用的勘探工具. 相似文献
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地球物理勘探技术的进展 总被引：3，自引：2，他引：3
近年来，地球物理技术发展非常快，其重点可从下列几个方面进行综述：１）电子和计算机技术的迅猛发展是推动物探技术发展的源泉。２）地震装备和采集技术的时展是基于三维和高分辨率勘探的需求。３）地震资料处理从传统批处理向勘探、开发交互处理方向演变。４）面临当今信息爆炸的情况下，地震解释将综合更多的信息以降低石油勘探开发的风险。５）开采地球物理和地震反演近年来有长足的进展。６）其他学科的一些新理论和新算法已在 相似文献
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Zhao Genmo 《中国地震研究》2004,18(1):27-35
The depth of upper fault point is the key data for ascertaining the active age of a buried fault on a plain. The difference of depth obtained from same fault may be dozens to several hundred meters when using different geophysical methods. It can result in the absolutely opposite conclusions when judging fault activity. Because of a lack of an artificial earthquake source with wide band and high central-frequency, many kinds of methods have to be used together. The higher the frequency of the artificial earthquake wave, electromagnetic wave and sonic wave, the higher the resolution. However the attenuation is also very fast and the exploration depth is very shallow. The reverse is also true. The frequency of artificial seismic waves is in the tens of Hz. Its exploration depth is big and the resolution is poor. The frequency of radar electromagnetic waves is about a million Hz, indicating that the resolving power is better, but the exploration depth is very shallow. However, the acoustic frequency is thousands of Hz, its resolving power is better than that of the artificial earthquake method and the exploration depth is larger than that of the radar method. So it is suitable for extra-shallow exploration in the thick deposit strata of the Quaternary. The preliminary results detected using the high frequency acoustic method in extra-shallow layers indicates that previous inferences about some fault activity in the eastern part of the North China plain may need to be greatly corrected. 相似文献
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Geology and Exploration of Oil and Gas in the Ordos Basin 总被引：2，自引：0，他引：2
YangHua FuSuotang WeiXinshan 《应用地球物理》2004,1(2):103-109
The Ordos basin is rich in oil and gas resources. The structures in the basin are generally rather gentle. Most of the oil and gas pools already found are belong to the types of lithologic, lithostratigraphic and paleo-geomorphic with thin reservoirs. The geology of oil and gas and the generation and distribution of oil and gas resources in the Ordos basin is analyzed in detail in the paper. It is also pointed out in the paper that what direction should be taken in oil and gas exploration in the basin, and that the important role of the seismic prospecting technologies in the discovery of large oil and gas fields in the basin could not be replaced. 相似文献
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影响面波勘探精度的因素探讨 总被引：4，自引：0，他引：4
分析了影响面波勘探精度的主要因素,针对计算面波相速度的精度问题,讨论了常用测量台间以相速度方法的优缺点及其适用范围,并提出通过测量台间格林函数进行相位校正,以得到两台之间的精解相位。以合成的高频理论地震图作为记录信号,并在理论地震图上叠加了２０％的随机噪声,利用这些方法分析理论信号,数字实验表明：在相干频率范围内,格林函数方法能够精确测量台间相速度,而互相关法和窄带通滤波互相关法所得结果较为离散。 相似文献
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在中央燃料工業部石油管理總局迅速發展的石油勘探隊伍中,地球物理勘探隊已成為一支相当大的力量。解放初期,只有極少 數的重力勘探隊,現在勘探工作中已大量採用了地震、重力、磁力、電法等地球物理勘探方法。在我國石油資源豐富的西北、西南各 相似文献
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JiLiansheng KongFanshu SunJianchen 《应用地球物理》2003,6(1):12-16
The Yanqi basin is small and located at the northeastern corner of the Tarim basin. Before April 1993, the Yanqi basin was only surveyed with surface geology and seldom known among the explorers. After that, the gravitational, magnetic and MT prospecting were carried out and found some interesting local structures, which might be oil-and-gas-bearing. A few seismic lines were utilized to confirm them. An exploratory well was drilled in the summer of 1994 and discovered oil flow with industrial value in Oct., the same year. The petroleum exploration obtained breakthrough in the Yanqi basin in only 18 months. 相似文献