| Title |
Description |
| Context |
Over optimism and inadequate consideration of the possible subsurface scenarios results in poor quantification of the subsurface uncertainty leading to a narrow and inaccurate range of in place and recoverable volumes. This skews Shell’s value analysis, resulting in poor decision quality and ultimately loss of value. |
| Activity |
Describe the range of geological subsurface scenarios with appropriately wide input ranges such that volume estimates include a realistic low side technical assessment. Include relevant analogue and benchmark data. Describe the prospect / lead subsurface risks (chance factors) appropriately and dispassionately to remove optimism / recency bias. Describe the Low, Mid, & High commercial volumetric cases as discrete subsurface realizations. Update ranked lead / prospect portfolio as leads are matured |
| Purpose |
To ensure multiple possible subsurface geological scenarios / realizations and their volume outcomes are considered. |
| Requirements from other Standards |
None |
| Evidence recorded in |
Integrated Sub Surface Description |
| Accountability for meeting Control Intent |
Subsurface Project Lead |
| Phase |
IDENTIFY |
