Relief well requirements can vary from country to country based on local regulations, environmental conditions, and specific characteristics of oil and gas operations in that region. Various industry organizations and regulatory bodies provide standards and recommended practices for relief well planning and execution. This Report recommends considerations for relief well planning and available resources specifically for subsea application. The Report is intended to be used by operators and service companies. The following relief well topics are within scope: • planning • approaching • locating • following • intercepting • killing operations • plug and abandonment The topics below are outside the scope of this Report: • routine well construction techniques • specific country regulations • recommendations to relief well planning and execution