Perpustakaan Digital ITB

Production decline in mature oil fields poses a major challenge in meeting national energy demands. One of the most effective solutions for enhancing production in mature fields is hydraulic fracturing, which improves fluid flow by creating artificial fractures within the formation. However, given the high operational costs, it is essential to develop an optimized fracture design and strategy to ensure that hydraulic fracturing is both technically effective and economically feasible. This study aims to optimize hydraulic fracturing design for wells TM-06 and TM-14 in Field Z, Jambi Province, through appropriate selection of fracture models, geometry design, and proppant and fracturing fluid types suited to the reservoir characteristics. Candidate wells were selected based on Heterogeneity Index (HI) analysis and Estimated Ultimate Recovery (EUR) calculations using reciprocal and decline curve analysis (DCA) methods. Fracture design was conducted using the KGD model, with fracture half-length (Xf) sensitivity analysis performed using equations by Baker, Economides (2013), Montgomery (2015), and graphical approaches. The design results demonstrated a significant increase in production rates after stimulation: for TM-06, the maximum total liquid rate increased from 235.97 STB/day to 819.25 STB/day, while for TM-14, it increased from 304.38 STB/day to 1,146.68 STB/day. Hydraulic fracturing also successfully reduced skin values and improved Absolute Open Flow (AOF). From an economic perspective, Brady Sand was found to be the most cost-effective proppant option, reducing proppant costs by more than 90% compared to resin-coated sand, while maintaining optimal fracture performance. This study demonstrates that data-driven hydraulic fracturing design and optimization can significantly enhance production in mature fields and can serve as a reference for other fields with similar geological conditions