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- W2015338051 abstract "This paper was prepared for the California Regional Meeting of the Society of Petroleum Engineers of AIME, to be held in Santa Barbara, Calif., Nov. 17–18, 1966. Permission to copy is restricted to an abstract of not more than 300 words. Illustrations may not be copied. The abstract should contain conspicuous acknowledgment of where and by whom the paper is presented. Publication elsewhere after publication in the JOURNAL OF PETROLEUM TECHNOLOGY or the SOCIETY OF PETROLEUM ENGINEERS JOURNAL is usually granted upon requested to the Editor of the appropriate journal, provided agreement to give proper credit is made. Discussion of this paper is invited. Three copies of any discussion should be sent to the Society of Petroleum Engineers Office. Such discussions may be presented at the above meeting and, with the paper, may be considered for publication in one of the two SPE magazines. Abstract Machine computation from well bore measurements can provide more data for analysis than is practical inn many cases, from manual computation. Machine computation minimizes arithmetic time for the individual studying well logs. His time is freed for analyzing the computed data, and he can usually command more data to use in his evaluation. The result is a more comprehensive well evaluation than is normally obtained. Machine computation lend itself to high density information evaluation and precision calculations While this is not a normal requirement of routine well logs, there are applications for this capability. In most areas in the State of California, the Engineer, Geologist, or Log Analyst is faced with the problem on each well of evaluating hundreds of feet of sand. From the standpoint of time alone, this makes a detailed evaluation very difficult and at times impractical. This paper discusses applications of machine computation to process well log measurements and tabulate the resulting data. On standard open hole suite of fresh mud logs emphasis is placed on several values of porosity determined independently and in combination from measured values of formation acoustic travel time and bulk density. Water saturation evaluation is approached from computed formation resistivity factor ratios (F ratios) and apparent formation water resistivities (R .) or water saturations (S ,.). Examples of the application of this program are presented. A second important application of machine computation is the analysis of Neutron Lifetime Logs. The connate waters encountered in California are relatively fresh (30,000 ppm NaCl) with formation porosities from 20–30%. In using this log in California or any other area of difficult interpretation, machine computation greatly reduces the analyst's work and improves his evaluation. A third area of application discussed is high-precision wireline measurements." @default.
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- W2015338051 date "1966-11-17" @default.
- W2015338051 modified "2023-09-23" @default.
- W2015338051 title "Application of Machine Computation of Well Logs in California" @default.
- W2015338051 doi "https://doi.org/10.2118/1648-ms" @default.
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