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松原城区三维地震技术研究与应用

Research and Application of 3D Seismic Techniques in the City

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【作者】 齐志彬姜呈馥赵飞于春海

【Author】 Qi Zhibin1, Jiang Chengfu1, Zhao Fei2, Yu Chunhai2 1. Exploration and Development Research Institute of PetroChina Jilin Oilfield Company, Songyuan City, Jilin Province 138001; 2. Exploration Department of PetroChina Jilin Oilfield Company, Songyuan City, Jilin Province 138000

【机构】 中国石油吉林油田公司勘探开发研究院中国石油吉林油田公司勘探部

【摘要】 松原城区高楼林立,松花江从城中穿过,沙丘林地农田外围环绕,扶余油田管道设施纵横其中,地表条件复杂,地震采集施工难度大;目的层浅,断裂多且复杂。在采集方面,经反复论证,采用了基于卫星照片的特变观设计炮点和检波点、可控震源与炸药联合应用、多种方法表层调查、建模等城区采集,以及小面元、逐点设计井深、高精度静校正等高精度采集两个方面主导技术,保证了目的层资料的完整性和精度。在处理方面,采用叠前去噪、高保真处理及剩余静校正等技术,提高了资料精度。在解释方面,以相模式为指导,采用井震联合标定,多体融合全三维解释方法,准确地刻画了断裂、构造与砂体。以上措施,取得了良好效果,为扶余老油田勘探开发方案调整奠定了基础,为杨大城子油层的探明和动用提供了充分依据,实现了油田下面找油田和老油田连续增产。

【Abstract】 Songyuan City has high rise towers and the Songhua River crosses the city. It is surrounded by dunes, woodland, and farmland, Fuyu oil pipelines and facilities are construed throughout the city. Seismic acquisition is difficult to be launched in the city because it has complicated surface conditions, shallow target layers, and too many complicated faults. Through repeated demonstration, two major techniques are adopted for seismic acquisition, one is launched in the city including the design of shot points and receiver points, the combination of vibroseis with explosives, the multi-way surface investigation, and modeling all based on satellite photos, the other is high-resolution acquisition of small face, point-by-point depth design, and high-resolution static correction. They ensure the integrity and accuracy of the information of target layers. The techniques of denoising before stack, high-fidelity processing and residual static correction are used for seismic processing to improve the accuracy of information. Guided by the phase mode, the techniques of well seismic calibration and full 3-D seismic interpretation are used for interpretation, describing the faults, structures, and sand bodies accurately. Good results have been obtained by using the above methods, laying solid basis for the adjustment of the programs of exploration and development in Fuyu old oilfields, providing sufficient basis to prove and use Yangdachengzi reservoir. Hence the purpose of finding oilfields below oilfields and continuous production of old oilfields is fulfilled.

  • 【文献出处】 中国石油勘探 ,China Petroleum Exploration , 编辑部邮箱 ,2009年04期
  • 【分类号】P631.4
  • 【下载频次】71
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