If a stable columnof mud has been set up in the well, keeping the oil at bay through its sheer weight, the next step would be to set cement in the well and seal it off permanently.
The DAML + OIL schema is actually what is being used in RDFInference.org applications, and is what we'll use as the basis of continuing work in this column.
Many fishermen are convinced that much of the oil is suspended in the water column or has drifted to the bottom, where it's impacting oyster beds, crab herds, and spawning fish schools.