The group of non-conextual elements that are part of one well completion. The kind of completion. The date when the completion is first operational. The date when the completion is no longer operational. The date when the completion was finished. The recording of a status associated with the completion. The ratio of flow rate to pressure drop. Used for oil wells, PI is the barrels of oil produced per day per psi decline in bottomhole flowing pressure. The term that accounts for additional pressure drops in the immediate vicinity of a well in well performance calculations, such as transient pressure test analysis. Positive skin effects indicate damaged conditions. Negative skin effects indicate stimulated conditions. A pointer to to the completion string utilized by this well completion. A pointer to a wellbore open hole interval that is part of the well completion. A pointer to a wellbore perforation interval that is part of the well completion.