Challenges in adjoint-based well location optimization when using well models

There is a general consensus that the most efficient method for large-scale well location optimization is gradient-based with gradients computed with an adjoint formulation. Handels et al. (2007) (later published in journal form as Zandvliet et al., 2008), were the first to use the adjoint method for well placement optimization for which they...

Report on Underground Solutions for Urban Problems

World wide, we see developing nations building new infrastructure as well as developed cities rehabilitating and expanding their infrastructure to meet the demands of increased population, energy efficiency, and environmental awareness of the public. Ten years ago ITA issued its special edition of the Tribune entitled “Why Go Underground,...

Steenkolenwinning in Nederland

Deze publicatie bevat een gedetailleerd historisch overzicht van de voormalige kolenmijnen die Zuid-Limburg domineerden van het begin van de 20ste eeuw tot halverwege de jaren zeventig. Het mijnbouwgebied was gelocaliseerd in het zuiden van Nederland, grenzend aan Duitsland en België.