http://www.akrdc.org/membership/events/special/luncheons/prareport.PDF
The following link is the study released by DNR that comes to the same conclusions:
http://www.dog.dnr.state.ak.us/oil/programs/resource_evaluation/res_eval_pub/Cook%20Inlet%20Reserves_DNR.pdf
The following link is another independent study on gas by Commonwealth North:
http://www.commonwealthnorth.org/documents_cwnorth/Energy%20for%20a%20Sustainable%20Alaska,%20the%20Railbelt%20Predicament.pdf