井间层析成像质量影响因素分析  

The analysis of influence factors related to cross-well tomographic imaging quality

作　　者：陈国金 

机构地区：[1]地矿部石油物探研究所,南京210014

出　　处：《石油物探》1996年第4期18-28,共11页Geophysical Prospecting For Petroleum

摘　　要：本文利用一些典型数学模型的井间层析成像结果，较为深入地讨论了井间层析成像质量的影响因素，加射线密度、射线有限视角、初至误差（包括初至随机误差和系统误差）、速度差异和射线弯曲等。在此基础上，提出了一些克服上述影响因素的具体建议，这对于井间层析成像以及指导野外施工，都具有重要的意义。Througri thc cross-well tomographic imaging results of some typical mathematical models wego comparatively deep into influencc factors relatod to cross-well tomographic imaging quality,such as ray dcnsity, ray limited visual anglc . first arrival error (including first arrival randomcrror and first arrival systematic crror), vclocity contrast and ray winding, Practical measures areprescnted to overcome the abovc influcnce factors which are very important to cross-welltomographic imaging and to guiding field work.

关 键 词：井间层析成像 石油勘探 地震层析成像 CT 

分 类 号：P618.130.8[天文地球—矿床学] P631.443[天文地球—地质学]