Practical interpretation of pressure tests of hydraulically fractured vertical wells with finite-conductivity in naturally fractured oil and gas formations

Author:

Jongkittinarukorn Kittiphong,Escobar Freddy HumbertoORCID,Ramirez Diana Manuela,Suescún-Díaz Daniel

Abstract

AbstractThis paper presents a well test interpretation methodology using characteristic points and lines found on the pressure and pressure derivative versus time log–log plot for the characterization of a finite-conductivity fractured vertical hydrocarbon well in a double-porosity (heterogeneous) formation considering a new and practical analytical Laplacian model which require less computational time and have more accuracy than semi-analytical models. Some existing equations are found to work well for the new model, and new expressions are developed. The accuracy of the developed equations is successfully tested with synthetical examples.

Publisher

Springer Science and Business Media LLC

Subject

General Energy,Geotechnical Engineering and Engineering Geology

Reference18 articles.

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3. Cinco-Ley H, Samaniego F, Dominguez N (1976) Transient pressure behavior for a well with a finity-conductivity vertical fracture. In: Paper SPE 6014 presented at the SPE-AIME 51st annual fall technical conference and exhibition, held in New Orleans, LA, October 3–6.

4. Engler T, Tiab D (1996) Analysis of pressure and pressure derivative without type curve matching, 4 Naturally fractured reservoirs. J Petrol Sci Eng 15:127–138

5. Escobar FH (2015) Recent advances in practical applied well test analysis. Nova publishers New York. Published by Nova Science Publishers, Inc. † New York. 423p. Nov.

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