Breakthrough in Hydraulic Fracture &amp; Proppant Mapping: Achieving Increased Precision with Lower Cost

Dawson, Matthew; Kampfer, G.

doi:10.15530/urtec-2016-2432330

Cited by 24 publications

(1 citation statement)

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“…The ability to assess the vertical evolution of fractureinduced stresses and quantify fracture height is an advantage of downhole tiltmeters [88][89][90][91][92]. The tilt gradient displacement is orthogonal to the direction of displacement and can be used to identify how the rock formation is distorting [93].…”

Section: Downhole Tiltmetersmentioning

confidence: 99%

Advancement of Hydraulic Fracture Diagnostics in Unconventional Formations

et al. 2021

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Multistage hydraulic fracturing is a technique to extract hydrocarbon from tight and unconventional reservoirs. Although big advancements occurred in this field, understanding of the created fractures location, size, complexity, and proppant distribution is in its infancy. This study provides the recent advances in the methods and techniques used to diagnose hydraulic fractures in unconventional formations. These techniques include tracer flowback analysis, fiber optics such as distributed temperature sensing (DTS) and distributed acoustic sensing (DAS), tiltmeters, microseismic monitoring, and diagnostic fracture injection tests (DFIT). These techniques are used to estimate the fracture length, height, width, complexity, azimuth, cluster efficiency, fracture spacing between laterals, and proppant distribution. Each technique has its advantages and limitations, while integrating more than one technique in fracture diagnostics might result in synergies, leading to a more informative fracture description. DFIT analysis is critical and subjected to the interpreter’s understanding of the process and the formation properties. Hence, the applications of machine learning in fracture diagnostics and DFIT analysis were discussed. The current study presents an extensive review and comparison between different multistage fracture diagnostic methods, and their applicability is provided. The advantages and the limitations of each technique were highlighted, and the possible areas of future research were suggested.

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