Petroleum geology and resources of the North Ustyurt Basin, Kazakhstan and Uzbekistan

2001 ◽  
Keyword(s):  
1985 ◽  
Vol 117 (3-4) ◽  
pp. 350-351
Author(s):  
K. Burke

1985 ◽  
Vol 67 (3-4) ◽  
pp. 335-336
Author(s):  
A.W. Bally

2000 ◽  
Vol 136 (1-2) ◽  
pp. 155-156
Author(s):  
U Schmitz

2017 ◽  
Vol 57 (2) ◽  
pp. 572
Author(s):  
Aleksandar Vujovic ◽  
Ritu Gupta ◽  
Gregory C. Smith

Portfolio analysis of several prospects, fields or assets is an important part of economic analysis routinely done by most exploration, development and production companies, often for large dollar amounts. Yet the methods used have not changed for decades, most are done in complicated and difficult to audit spreadsheets, and commonly they are not statistically robust, meaning they sometimes give incorrect results. The Curtin University Petroleum Geology Group has an active research program working with the Curtin Statistical Group to improve assessment of petroleum volumetrics, risking, scenario and portfolio analysis. This note provides a simple case study of portfolio analysis using an area in the North West Shelf in which we have quickly mapped several leads, prospects and drilled traps. They span a range of risk outcomes from undrilled to drilled, of which some were dry and some were successful to varying degrees. The results allow us to demonstrate how to calculate and aggregate the volumes and dependencies for each structure, correctly add the results using a new statistical methodology and formulate the aggregated volumetric distribution for the portfolio. This workflow can be used for any portfolio in the petroleum and other industries.


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