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Keywords: estimation
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Proceedings Papers
Dong Hao Wu, Lei Zhang, Xin Zhou, Li Jun Zhao, Hong Liang Zhang, Shuai Wang, Zhao Ya Fan, Bo Nan Ren, Guang Rao
Paper presented at the SPWLA 29th Formation Evaluation Symposium of Japan, September 12–13, 2024
Paper Number: SPWLA-JFES-2024-K
... and productivity estimation in development wells, especially the continuous dynamic permeability log. Normally the way to acquire formation porosity is logging-while-drilling (LWD) nuclear-magnetic-resonance (NMR) which is from T2 distribution and lithology independent. Since T2 distribution also has...
Proceedings Papers
Paper presented at the SPWLA 28th Formation Evaluation Symposium of Japan, September 13–14, 2023
Paper Number: SPWLA-JFES-2023-E
... to the water volume, thus water saturation. Furthermore, Two-dimensional NMR data enable to identify different types of fluid by T1-T2 maps, especially beneficial for gas reservoirs owing to the high T1/T2 ratio of gas. The integrated measurements provide water saturation estimation without resistivities...
Proceedings Papers
Paper presented at the SPWLA 24th Formation Evaluation Symposium of Japan, October 11–12, 2018
Paper Number: SPWLA-JFES-2018-A
... Volume, and EUR, Estimated Ultimate Recovery, then, we worked for permeability estimation and validation. hydraulic fracturing mini-frac test report review production data analysis production rate drillstem/well testing north montney unconventional shalega field completion design Drillstem...
Proceedings Papers
Paper presented at the SPWLA 24th Formation Evaluation Symposium of Japan, October 11–12, 2018
Paper Number: SPWLA-JFES-2018-M
... ABSTRACT Many conventional kriging algorithms have been adopted for spatial petrophysical property modeling, such as simple, ordinary, and universal kriging. These approaches are linear unbiased estimators as covariance structure is estimated first, and then used for interpolation, leading...
Proceedings Papers
Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-O
... and optimization of proved reserves. Geostatistical modeling is one of well-known methods to estimate the reservoir parameters from various data sources. Generally, reservoir property distributions are estimated based mainly on directly sampled data (hard data) like well data, yet the number of hard data...
Proceedings Papers
Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-X
... and core data. The result showed that estimated porosity and permeability were comparable to core data. However, lithology was not well organized in mineralogical model due to the complex texture. Therefore, the formation volumetric model was updated using lithological concept by ELAN based on VSH from SP...
Proceedings Papers
Paper presented at the SPWLA 20th Formation Evaluation Symposium of Japan, October 1–2, 2014
Paper Number: SPWLA-JFES-2014-I
... from various data sources is an essential task in reservoir characterization. In this study, the geostatistical program that includes the sub-programs for kriging and conditional simulation was coded. Especially, the sub-program for Markov-Bayes simulation that enables the estimation of reservoir...
Proceedings Papers
Paper presented at the SPWLA 20th Formation Evaluation Symposium of Japan, October 1–2, 2014
Paper Number: SPWLA-JFES-2014-W
... the reservoir interval yet display dramatic fluctuation in the associated permeability. Therefore, it is difficult to characterize the reservoir zones and to estimate a reasonable and realistic net pay value to imply in well testing pressure transient analysis (PTA) and for production logging tools (PLT...
Proceedings Papers
Paper presented at the SPWLA 19th Formation Evaluation Symposium of Japan, September 26–27, 2013
Paper Number: SPWLA-JFES-2013-X
...The 19th Formation Evaluation Symposium of Japan, September 26 - 27, 2013 -1- On Combined Use of Bed Boundary Logs and Formation Testing While Drilling to Estimate Well Productivity Younes Jalali 1 and Shahid Haq 2 1. Schlumberger K.K. 2. Schlumberger, D&M This paper was selected for presentation...
Proceedings Papers
Paper presented at the SPWLA 19th Formation Evaluation Symposium of Japan, September 26–27, 2013
Paper Number: SPWLA-JFES-2013-F
... Abstract In this study, an Iron Ore deposit which lies within the Marampa schist formation located in Sierra Leone, that hosts a primary quartz-hematite schist horizon with thickness of up to 65m, was used for eventual block estimation, grade uncertainty characterization and final pit outline...
Proceedings Papers
Paper presented at the SPWLA 18th Formation Evaluation Symposium of Japan, September 27–28, 2012
Paper Number: SPWLA-JFES-2012-Q
... log analysis field data openhole processing fast formation estimation Upstream Oil & Gas formation shear slowness compressional slowness bonding well logging shear slowness dispersion curve slowness good agreement geophysics cased hole formation compressional slowness 18th...
Proceedings Papers
Paper presented at the SPWLA 18th Formation Evaluation Symposium of Japan, September 27–28, 2012
Paper Number: SPWLA-JFES-2012-P
... for various scenarios of skin factor, drawdown, drainage radius and well placements. The outcome of the model-driven petrophysical data set and reservoir engineering treatment of it for productivity estimations were in agreement with the actual productivity of well X1-2 verifying the reasonable accuracy...