Session 5-1 Abraham_released
- 1. 1 Jacob Isaac K. Abraham, Reservoir Engineer Questar Pipeline Company July 13, 2016 ®
- 2. What is UG Storage Integrity Management? Storage Integrity Management Fundamentals - Storage Integrity Management Plan (SIMP) - Field Integrity Plan (Macro) - Well Integrity Plan (Micro) High Level Guidance for Operators 2 ®
- 3. The purpose of storage integrity management is to ensure the safe operation and maintenance of underground natural gas storage facilities following the governing principles found in API RP 1170 and 1171 - API Recommended Practice 1170 - API Recommended Practice 1171 3 ®
- 4. Storage Integrity Management Fundamentals - Storage Integrity Management is best conducted from an individualized risk based approach developed by the operator ▪ There is no easy one size fits all solution - Potential risks for Depleted Hydrocarbon Reservoir and Aquifer Reservoirs are identified in Section 8 of API RP 1171. 4 ®
- 5. Storage Integrity Management Plan can consist of two components: A macro Field Integrity Program and a micro Well Integrity Program Potential Elements may Include: 5 Field Integrity Plan Inventory Studies - Inventory Tests - Hysteresis Analyses Observation Wells Gas Sampling Monitor 3rd Party Wells Measurement & LAUF Well Integrity Plan Annular Pressure Monitoring Well Leak Surveys Mechanical Integrity Tests Well Workovers - Wellbore Integrity Assessments ®
- 6. The key to a robust SIMP is to leverage all available data sources to continually demonstrate functional integrity of storage assets through data integration. 6 Field Integrity Plan Inventory Verification Observation Well Monitoring Monitor 3rd Party Wells Gas Sampling Well Integrity Plan Monitor Well Performance Well Leak Surveys Mechanical Integrity Tests Strategic Integrity Logs ®
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