Well placement optimisation using a productivity potential area map Online publication date: Mon, 10-May-2021
by Jihun Jung; Dongkwon Han; Sunil Kwon
International Journal of Oil, Gas and Coal Technology (IJOGCT), Vol. 27, No. 1, 2021
Abstract: This paper presents a method for placing wells during the development of oil and gas fields, and during production. A well placement model developed using an optimisation algorithm that automatically searches for the best well locations can help increase efficiency, provide objective decision making, and reduce risk. A productivity potential map (PPM) derives well locations from static reservoir properties and can describe the properties of a heterogeneous reservoir. However, it can only determine values at individual locations and cannot consider the interference of pressure drops at well production site. Thus, we have defined a new concept called the productivity potential area map, which uses the sum total of all PPM values influenced by each well, and a radius of investigation equation, to select well locations in a reservoir. Using this concept, we demonstrate that it is possible to quickly determine well locations with good productivity and identify the most promising areas. [Received: July 30, 2018; Accepted: February 6, 2020]
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