摘要四川盆地威远地区志留系龙马溪组页岩气压裂过程中存在压裂井套管变形和周边井受压裂
干扰产量波动的问题. 为了有效评价页岩气压裂效果, 查明压裂井套管变形 …

In the process of gas fracturing of Silurian Longmaxi formation shale in Weiyuan area,
Sichuan Basin, there are problems of casing deformation of fracturing wells and production …

摘要震源参数反演是微地震监测中的关键技术, 常规走时或逆时定位方法可以快速获取震源的
空间位置, 但是会忽略震源的时间信息. 全波形反演(FWI) 是一种有效的工具 …

水力压裂技术能够改善储层中裂缝的连通性, 实现致密储层油气增产, 利用压裂过程中产生的微
地震事件进行裂缝偏移成像有助于评价水力压裂效果. 水力压裂通常在具有黏弹性和各向异性的 …

The focal mechanisms of small-magnitude earthquakes can be challenging due to sparse
networks, limited availability of velocity models, and a lack of suitable approaches. In this …

摘要地震波波场数值模拟是深入认识复杂地下介质的重要手段. 谱元法兼顾了有限元方法的传统
优势, 并提高了数值精度和稳定性, 已成为目前地震波波场数值模拟中最常用的方法之一 …

常规的全波形反演(FWI) 计算得到的梯度往往不做优化处理, 并且每次计算模型更新量时还需要
额外的波场延拓计算来获取迭代步长, 导致收敛效率和反演精度降低. 本文将深度学习中的Adam …

Source parameters inversion is the key technology in microseismic monitoring.
Conventional methods including travel time and reverse time location can quickly obtain the …

With the continuous development of high-performance computing, seismic wavefield
numerical modeling has increasingly become an essential means to understand complex …

Hydraulic fracturing can improve the connectivity of natural fractures to improve oil and gas
production. Fractures migration imaging based on microseismic events generated during …