..., but production was shortlived. The latest discovery, downdip from the abandoned wells, has 50-ft net gas pay in the Planulina palmerae zone. A southeast offset was successful, whereas a northeast offset was on a separate fault block and dry. The East Avery Island field (B) is a fault-controlled...

...FIG. 5. —Structure contours of Avery Island field on producing BF4 sand. ...

..., but also the presence of multiple sands which yield very large per-acre-foot recovery factors for the reservoirs. For example, in the Avery Island field, Iberia Parish, the discovery well was drilled between two dry holes, and two dry holes have been drilled since the discovery and yet the reserves...

..., gypsum, magnesite, danburite, boracite, and a new borate. Inclusions of brine, gas, oil, and sand are not uncommon in the salt plugs of the Gulf Coast. Petrographic analyses of the sand inclusions from Avery Island and Jefferson Island show that they differ from known sands of the Gulf Coast. Potash...