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首页> 美国政府科技报告 >Studies of the Uniqueness of Solutions of Pressure Transient Responses and the Effects of Fracture Skin and Wellbore Storage, Fracture Geometry, and Flowback of Fracture Fluid
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Studies of the Uniqueness of Solutions of Pressure Transient Responses and the Effects of Fracture Skin and Wellbore Storage, Fracture Geometry, and Flowback of Fracture Fluid

机译：压力瞬态响应解的唯一性及断裂皮肤与井筒储存，断裂几何和裂缝流体回流的影响研究

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The purpose of this work to investigate the ability to match observed pressure transient responses with a simulation model and the certainty of whether the simulation results are unique. To perform this work, INTERCOMP's Radial Single Well Gas Model (RADGAS) was used to establish a base case on which the uniqueness studies would be performed. Once the base cases were established, attempts were made to match their pressure transient responses, using RADGAS, with reservoir models having different characteristics; i.e., different fracture lengths, reservoir permeabilities, etc. The results of the study indicate that when certain parameters are accurately known through rock analysis and pressure studies, the simulations are unique, but that when a few key parameters are unknown and must be determined by matching the simulator response to the well's pressure transient behavior, uncertainty arises as to whether the solution is indeed unique. In addition to the uniqueness study, three additional exercises were performed to study the effects of fracture skin and wellbore storage, fracture geometry, and fracture fluid remaining in and around the fracture on the pressure transient responses and production forecasts of a well. 37 figures, 2 tables. (ERA citation 08:004175)

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