SPE Oil and Gas Reserves Committee, 2011. 221 p.These guidelines represent the collaboration of an international group of more than 40 experienced reserves estimation professionals who were involved in the writing, editing, review, and preparation of this document. The SPE Oil and Gas Reserves Committee (OGRC) gratefully acknowledges the time and effort of the followingIntroduction
- Rationale for New Applications Guidelines
- History of Petroleum Reserves and Resources Definitions
Petroleum Resources Definitions, Classification, and Categorization Guidelines
- Introduction
- Defining a Project
- Project Classification
- Range of Uncertainty Categorization
- Methods for Estimating the Range of Uncertainty in Recoverable Quantities
- Commercial Risk and Reported Quantities
- Project Maturity Subclasses
- Reserves Status
- Economic Status
Seismic Applications
- Introduction
- Seismic Estimation of Reserves and Resources
- Uncertainty in Seismic Predictions
- Seismic Inversion
Assessment of Petroleum Resources Using Deterministic Procedures
- Introduction
- Technical Assessment Principles and Applications
- Summary of Results
Probabilistic Reserves Estimation
- Introduction
- Deterministic Method
- Scenario Method
- Probabilistic Method
Aggregation of Reserves
- Introduction
- Aggregating Over Reserves Levels (Wells, Reservoirs, Fields, Companies, Countries)
- Adding Proved Reserves .
- Aggregating Over Resource Classes
- Scenario Methods
- Normalization and Standardization of Volumes
- Summary—Some Guidelines
Petroleum Resources Definitions, Classification, and Categorization Guidelines 3
Evaluation of Petroleum Reserves and Resources
- Introduction
- Cash-Flow-Based Commercial Evaluations
- Definitions of Essential Terms
- Development and Analysis of Project Cash Flows
- Application Example
Unconventional Resources Estimation
- Extra-Heavy Oil
- Bitumen
- Tight Gas Formations
- Coalbed Methane
- Shale Gas
- Oil Shale
- Gas Hydrates
Production Measurement and Operational Issues
- Introduction
- Background
- Reference Point
- Lease Fuel
- Associated Nonhydrocarbon Components
- Natural Gas Reinjection
- Underground Natural Gas Storage
- Production Balancing
- Shared Processing Facilities
- Hydrocarbon Equivalence Issues
Resources Entitlement and Recognition
- Foreword
- Introduction
- Regulations, Standards, and Definitions
- Reserves and Resources Recognition
- Agreements and Contracts
- Example Cases
- Conclusions
Reference Terms
