Geomechanics and Geoenergy Journal

Geomechanics and Geoenergy Journal

Estimation of Drill Penetration Rate Based on Multiple Linear and Non-linear Regression in the Gurpi Formation in One of the Fields in Southwestern Iran

Document Type : Original Article

Author
Mining Engineering - Petroleum Geomechanics, Faculty of Mining, Petroleum and Geophysics Engineering, Shahrood University of Technology
Abstract
The Rate of Penetration (ROP) is one of the key parameters in drilling operations that can significantly affect drilling costs and time. Extensive studies have been conducted on the parameters influencing the rate of penetration. Many of these physical and mechanical rock parameters have been studied in laboratory or field settings. However, a comprehensive method that includes all factors affecting the rate of penetration for evaluating drilling capability and rock penetration has yet to be presented. This paper investigates the possibility of estimating the rate of penetration in the Gurpi formation located in one of the fields in southwest Iran using drilling, geomechanical, and geological parameters. By utilizing drilling, petrophysical, and geological data from six wells in the Gurpi formation, an effort was made to establish a relationship with the rate of penetration. Based on the petrophysical data and the results of rock mechanics tests on core samples, a geomechanical model was developed for the aforementioned wells. After determining the geomechanical parameters, data preprocessing was performed, and a database was created. Following the elimination of outlier data, multiple linear and Non-linear regression analysis was conducted on the dataset. Finally, an equation based on the available parameters was derived for the Gurpi formation, and its validity was evaluated by comparing the actual rate of penetration in one of the wells, resulting in favorable outcomes.
Keywords

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