AI/machine learning

Well-Placement Optimization Workflow Blends Gradient-Free Algorithm, Physics‑Informed AI

This paper describes an auto-adaptive workflow that leverages a complex interplay between machine learning, physics of fluid flow, and a gradient-free algorithm to enhance the solution of well-placement problems.

Fig. 1—Schematic of the interaction between the surrogate model, the optimizer, and the simulator.
Fig. 1—Schematic of the interaction between the surrogate model, the optimizer, and the simulator.
Source: SPE 223867.

Accurate well placement plays an essential role in increasing field recovery and storage while reducing operational costs. This task is complex, requiring robust solutions that can handle optimization problems efficiently. Despite numerous existing solutions, a need remains for a fast, highly accurate, computer-aided optimization tool. In this paper, an auto-adaptive workflow is described that leverages a complex interplay between machine learning (ML), physics of fluid flow, and a gradient-free algorithm to enhance solving well-placement problems.

Introduction

The study’s main objective is to develop a novel surrogate-based hybrid intelligent system to handle real well-placement problems in realistic field conditions while overcoming the drawbacks of conventional approaches.

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