This work can help for better understanding of its potential in improve the interpretation efficiency and reduce the non-uniqueness. Finally, the methodology is applied in Changqing oilfield cases, which illustrate its applicability. The third is also a constant-slope straight line at late time and we think it is no use for well test inversion. The transition appears the later under the larger S. Well E-M02Pa - deconvolved derivative resulted from deconvolution of all flow periods in one sweep in Saphir.
KAPPA SAPHIR DECONVOLUTION SOFTWARE
(Determination of initial reservoir pressure using Kappa engineering software Saphir). The second is a transition between two straight-line regimes which reflects the S. Deconvolution of Well Test Data from the E-M Gas Condensate Field (South Africa) By. Under the larger C D, the duration of straight line lasts longer and the position is lower on the log-log plot. The first regime is a straight line with zero-slope at early time which is dominated by C D. We mainly divided the type curve into three typical regimes. The type curve can aid the conventional interpretation to obtain more reliable C D and S, thus reducing the non-uniqueness.
KAPPA SAPHIR DECONVOLUTION SKIN
Then, the wellbore storage ( C D) and skin ( S) are extracted by the short-time asymptotic solution of proposed analytical solution to construct a novel type curve. Results indicate that the analytical solution is valid when F cD>1. We verify its accuracy by the semi-analytical model proposed by Cinco-Ley et al. To solve the problems above, we first introduce an analytical solution with simple form, fast calculation speed, and accurate results for finite-conductivity vertical fracture model on the basis of our previous work, which is further used to shorten the inversion time and obtain short-time asymptotic solution in the real space. On the other hand, much test data locates at the early-time regimes, so incomplete flow regimes pose serious non-uniqueness. On the one hand, the increasing well number puts higher requirements on the reduction of interpretation time. This wiki is a community knowledge base for ImageJ and friends. The increasing development activities for low-permeability even ultra-low permeability reservoirs worldwide present many challenges to well test interpretation. ImageJ is open source software for processing and analyzing scientific images.
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