Table 8. Offshore Exploration Drilling Expenditure Index Comparing 



Gulf of Mexico (Moderate Climate, 650-Foot Depth) to Other Areas. 



1.0 Equals $2.7 Million Per Well in 1974 Dollars (Source: Reference 15) 



Drilling Expenditure Index 



Climatic Conditioi 

 Feet (Meters) Mild Moderate^ Severe^ 75%3 i 



Water Depth Climatic Conditions Ice Laden 



A. Exploratory Drilling 



B. Development and Production 



2.8 Unknown but 

 estimated to 



6.2 be substantially 

 greater than 



— "Severe" case. 



10.2 



'Moderate Climate - Gulf of Mexico, South 

 Atlantic, and California 



^Severe Climate - North Atlantic and Gulf 

 of Alaska 



^75% Ice Laden - Bristol Bay 



^100% Ice Laden - Chukchi Sea and Beaufort Sea 



^Climatic conditions include earthquakes. 



55 



