东方物探攻克超深气藏治水难题
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摘要:从东方物探公司获悉,东方物探研究院塔里木物探研究院以技术创新为核心抓手,构建起完整的气藏治水技术体系,实现了从“模糊成像”到“高清呈现”的跨越,为该区域天然气稳产上产及老区提质增效提供了有力的技术支撑。

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中国石油网消息:4月28日,记者从东方物探公司获悉,东方物探研究院塔里木物探研究院以技术创新为核心抓手,构建起完整的气藏治水技术体系,实现了从“模糊成像”到“高清呈现”的跨越,为该区域天然气稳产上产及老区提质增效提供了有力的技术支撑。

China Oil News: On April 28th, a reporter from Dongfang Geophysical Company learned that the Tarim Geophysical Research Institute of Dongfang Geophysical Research Institute, with technological innovation as the core driving force, has established a complete water control technology system for gas reservoirs, achieving a leap from "vague imaging" to "high-definition presentation", providing strong technical support for the stable and increased production of natural gas in this area and the improvement and efficiency enhancement of old oilfields.


这套气藏治水技术体系构建起环环相扣的气藏“治水矩阵”。在精细速度建模方面,科研团队创新高精度数字地质露头约束技术,以库车山前克深气田为试点,将野外实测的岩层岩性、厚度数据与地震资料深度融合,修正传统建模偏差,绘制出精准的地下岩层三维导航图,将储层边界识别误差缩小至5米内,精准锁定气藏分布范围。

This water control technology system for gas reservoirs has established a closely interlinked "water control matrix" for gas reservoirs. In terms of precise velocity modeling, the research team innovated high-precision digital geological outcrop constraint technology. Taking the Keshen gas field in the Kuqa foreland as a pilot project, they deeply integrated the field-measured data of rock layers and their thickness with seismic data to correct the deviations of traditional modeling, and drew a precise three-dimensional underground rock layer navigation map. This reduced the error in identifying the reservoir boundaries to within 5 meters, accurately determining the distribution range of the gas reservoirs.


针对盐下高陡构造成像模糊的难题,科研团队研发出盐下高陡逆掩叠置复杂构造波动方程成像技术,优化地震波传播路径计算,让深埋千米的复杂构造清晰呈现出来。

To address the problem of blurred imaging of high-angle steep structures beneath salt layers, the research team developed a complex structure wave equation imaging technology for high-angle steep reverse-slip superimposed structures beneath salt layers. They optimized the calculation of seismic wave propagation paths, enabling the clear visualization of the complex structures buried deep at a depth of several thousand meters.


在水体预测与水侵通道识别上,科研团队构建水体空间赋存结构地震预测技术,通过分析地震波振幅、频率响应特征,将储层预测识别精度提升至10米级;研发的水侵优势通道构型描述技术,可以明确通道宽度、延伸方向及渗透强度,为封堵施工提供了精准的数据支撑。

In terms of water body prediction and identification of water invasion channels, the research team has developed a seismic prediction technology for the spatial distribution structure of water bodies. By analyzing the amplitude and frequency response characteristics of seismic waves, the accuracy of reservoir prediction and identification has been improved to the level of 10 meters. The developed technology for describing the configuration of water invasion dominant channels can clearly determine the width, extension direction and permeability intensity of the channels, providing precise data support for sealing construction.


库车山前是塔里木油田天然气增储上产的核心主战场。随着气藏开发向纵深推进,传统地震资料处理解释技术已难以满足精准治水、稳气生产的需求。

The Kuchun area is the core main battlefield for increasing gas reserves and enhancing production in the Tarim Oilfield. As the development of gas reservoirs progresses deeper, traditional seismic data processing and interpretation techniques have become unable to meet the requirements for precise water control and stable gas production.


为破解这一困境,塔里木物探研究院组建18人的科研团队,锚定克拉2、克深、迪那等核心气田,启动控水稳气专项攻坚行动,确立“治水先看清、看清靠精描”的核心思路。

To solve this problem, the Tarim Geophysical Research Institute formed a 18-person research team, focusing on core gas fields such as Kalar 2, Keshen, and Dingna. They launched a special campaign to control water and stabilize gas, and established the core concept of "understanding the situation first, and then accurately mapping to see clearly".


科研团队依托处理解释、物探地质、甲乙方一体化三大协同优势,历经上百个日夜潜心攻关,落地多项具体技术创新成果。

The research team leveraged the three synergistic advantages of data processing and interpretation, geophysical exploration and geology, as well as the integration of both parties, and worked tirelessly for hundreds of days to achieve a number of specific technological innovation results.


这些技术创新,填补了山前大型气藏治水开发地震精细描述的空白,目前已通过多级技术交流平台推广。形成的气藏治水防水解决方案,成为塔里木盆地其他区块可复制、可推广的技术样本。

These technological innovations have filled the gap in the detailed description of water control and development of large gas reservoirs in the mountainous areas, and have been promoted through multiple levels of technical exchange platforms. The formed solutions for water control and waterproofing in gas reservoirs have become technical samples that can be replicated and promoted in other blocks of the Tarim Basin.


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