Nothing de-risks these wells. Thats why they are so good, good does not come easy or cheap. These are in a dipping & striking structure. It is remarkable that they have been able to maintain such a high success rate drilling in this area. It just shows how technical and how much experience this company has. The team has years of experience drilling for deeper zones in the past this is the main reason for there success. They drilled through these zones years ago now they are drilling in them. There web site explains there experience.