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在实验室条件下对贝雷砂岩进行射孔试验,并分别对射孔后的靶体进行酸化、压裂工艺处理,利用核磁共振和工业XCT技术分别对未射孔的靶体、射孔后的靶体、射孔后酸化的靶体、射孔后压裂的靶体进行测试。定量分析了射孔对砂岩靶体的损害及酸化、压裂对射孔损害的解除作用,并进行现场试验验证。对合理有效地规划油田采油工艺具有一定的参考价值和指导意义。 相似文献
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A novel approach of digital image processing technology is applied to improve SNR of seismic images. At first,we analyze the characters of line-like texture in seismic images, and then a preprocessing method named 2 D tracing horizon filtering is designed. After that, the technology of optical flow analysis is adopted to calculate the displacement vectors of adjacent pixels between neighboring seismic images. At last, the novel image accumulation algorithms are proposed, which are applied to greatly improve SNR and definition of seismic images. The experimental results show that SNR of seismic section images with SNR of about 20 dB and 17 dB are increased 8 dB~9 dB under keeping signal energy 67%~80% by processing section images and 3dB~4dB under keeping signalenergy 80~90% by processing horizontal slice images. Thereby, the proposed novel approaches are very helpful to the correct seismic interpretation and have very important significance for seismic exploring. 相似文献
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随着数字化进程的不断深入,开源创新作为数字经济发展中涌现出的新型创新组织模式和运行机制,受到了学术界和产业界的广泛关注.开源创新呈现全面、深度开放等新特征,是开放创新理念的新拓展.然而,与开源创新产业实践相比,学术界对开源创新概念的内涵与外延以及对其深度开放的结构与新兴经济场景下的治理模式等机制和规律探讨不足.将理论与实践结合,在辨析开源创新和开放创新概念差异的基础上,进一步对开源创新的系统结构及开放机理等进行分析.提出:开源创新具有技术兴趣驱动与商业需求牵引并存的双生态系统结构,该系统结构呈现突出的去中心化特征且依赖市场化的多层次协调治理机制.此外,开源创新以其独特的系统结构和治理机制实现了创新参与者、创新资源、创新过程、创新决策及创新成果的全球开放.开源创新理念对我国基础软件产业发展、数字基础设施建设以及增强我国产业全球竞争力、促进后发赶超等具有重要的启示意义. 相似文献