Naturally fractured sites and seismic attributes

What is it about?

Well completion process is a fundamental stage in a study of well since allows transforming a drilled well into a producing well. An efficient well completion design can make the difference between high and low production. In an unconventional well of high angle in an oil field in México, an intelligent completion was designed to have that ability to remotely activate and modify the functioning of the area completed through flow control, as well as monitor the response and performance of each zone in real-time. Conventional well completion design often ignores the occurrence of natural fractures, necessary to create a connection for a major production and permit stimulate areas into reservoirs but also can cause a perforation fluid loss. One of the earliest and most effective ways to predict the presence of them is the use of discontinuity seismic attributes post-stack able to estimate areas with a higher density of natural fractures. This study highlighted the importance of information obtained from the seismic analysis in areas where data is scarce, providing greater certainty to the drilling and design team.

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Photo by Zbynek Burival on Unsplash

Photo by Zbynek Burival on Unsplash

Why is it important?

Unconventional wells (high angle and horizontal) become more complex in their execution due to the increase of torques and trawls, for this reason, is need the use of smart technology in order to guarantees the drilling fluid control, minimize the water production, and increases the reservoir productivity, the reason why it becomes extremely important the knowledge of areas with greater natural fractures density that seismic offers. This study highlights the importance of the information obtained from the seismic analysis in areas where there is scarce information, providing greater certainty to the drilling and design team.

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