摘要
水陆过渡带地表环境复杂,表层松散而岩性多变。表层结构调查工作中,常规的井中微测井和小折射都很难达到理想的解释精度。在尼日利亚某工区的施工作业中,采用地面激发、井中接收的微测井方式,利用排列移动观测法来加密对地层的观测密度。在提高作业效率的同时又提高了低降速带的解释精度,从而建立准确的表层结构模型,为静校正提供可靠的数据。
In water - land transition zone, the surface environment is complex, and the surface layer is loose and various lithologic characters. In the surface structure survey, the conventional up - hole micro - logging and refraction can not achieve the desired interpretation accuracy. In the conduction operation of certain Nigeria area, the micro - logging which includes shooting on surface and receiving in hole was utilized. The method of spread shifting observation was used to increase the observation density of formation, and improve the operation efficiency and the interpretation accuracy of low ve- locity zone. The surface structure model was established to provide reliable data for the static correction.
出处
《复杂油气藏》
2013年第1期27-29,共3页
Complex Hydrocarbon Reservoirs
关键词
水陆过渡带
微测井
排列移动
地层识别
water - land transitional zone
micro - logging
spread shift
formation identification
