in the well-being filled with mud. we now have equalized the pressure -- the hydro static pressure of the sea water with the pressure inside the capping stack. and basically have reached a static condition in the well that allows us to have high confidence that there will be no oil leaking into the environment, and we have significantly improved our chances to finally kill the well with the reliefwells when that does occur. the discussions that are going on today between the science team down in houston and the bp engineers are regarding whether or not we should follow up the mud that has been put into the well bore with actual cement. and the discussion around that revolves around what we think the status of the drill pipe is. is it still where we thought it was? because where that drill pipe is consequential in how you will put the cement in and the success of the cement. those discussions are ongoing and we will not make a -- until we know what the drill pipe is