آنالیز اقتصادی و ریسک | GeoX 2023.1

نوشته شده توسط Super User. ارسال در مهندسی نفت و مخزن

GeoX is an integrated collection of assessment tools that support and promote high quality exploration decisions. It focuses the critical integrative, judgment-intensive, exploration decisions that rely on the assessment of resources, risks, and full cycle economic value. It provides a complete framework for consistent, best practice evaluation of exploration opportunities.

 

 

GeoX license packaging reflects the key customer workflow domains. The GeoX workbench has 5 main assessment tools:

1.Prospect Assessment module: A powerful tool for exploration analysis that supports accurate and rapid risk and resource evaluation. It includes functionality for modelling risk and resources in Segment, Prospect, and modelling Scenarios. It handles both Conventional and Unconventional Resources assessments, has a powerful Trial Browsing for verification, x-plotting, and sorting trials. Advanced Risking and Dependency functionalities enable handling risk and volume dependencies, leak connections, and stacked reservoirs sharing a common fluid system. Bayesian risk modification enable integration of DHI & CSEM data. Petrel Play and Prospect Assessment (PPA) or alternatively the ArcGIS Add-in enable map based Unconventional Resource and Conventional Prospect assessments. Built in Excel reporting and Custom view enable reporting and links to external databases.

2.Play Assessment module: A tool for quantitative Yet-To-Find play assessment of both hypothetical and speculative play resources. It includes the ArcGIS Add-in supporting a map based play assessment workflow.

3.Value Assessment module: Supports rapid early analysis of potential pre-tax and after-tax economic returns (NPV, IRR, EMV) from an exploration project. It includes tools for FullCycle economic assessment of prospects and clusters of opportunities, Scenario analysis, assessment of the exploration Portfolio and the Resource management and reporting (Resource Tracker).

4.ResourceTracker module (also included in the Value assessment module): Helps you track and manage the company resource (reserve) inventory. The project-based booking of end-of-period resource balances is 100% compliant with the Petroleum Resource Management System (PRMS) framework (Society of Petroleum Engineers / American Association of Petroleum Geologists / World Petroleum Council).

5.Discovery Package: Includes all the 4 modules above.

GeoX has a relational database that supports industry-standard database systems such as Oracle or SQL Server. You can use the database to store, access, and link analyses organized in a basin-play-segment framework. The database supports integrative application of the family of tools. The database also facilitates sharing and exchanging data within teams, other applications, and other systems.

Analyses are the primary work unit. There is a different type of analysis for each GeoX tool, and tools are launched based on the type of analysis that is accessed in the GeoX database. You can view, edit, and estimate analyses in a notebook-format interface with a uniform and consistent syntax across all GeoX tools.

You can maintain multiple analyses of an exploration target, so you can consider systematically alternative hypotheses and scenarios.

Analyses are Test, Working version, Approved, or Historical, where both the Approved and Historical analyses are read-only from the database, so you can maintain a systematic record of how ideas, data, and understanding evolve through the exploration lifecycle. Working version status enables you to mark and separate an active analysis from the other Test version.

All GeoX tools share a common notebook format with the same set of functions for accessing, editing, calculating, storing, printing, and exchanging analyses. Once you master the mechanics of using one of the tools, you are also well positioned to do the other tools in the workbench.

A segment is the basic assessment building block in GeoX. It is the smallest definable assessment unit. Examples of segments include individual reservoir units, zones, and fault compartments. A segment must be within a single play or sub-play.

A play is a family of postulated potential accumulations, mapped potential accumulations, assessed potential accumulations, and discoveries that have the same geological controls on gross reservoir, hydrocarbon source, and top seal. The play (part-play) is the basic assessment unit (BAU) in play assessment in GeoX.

A prospect is a collection of segments. It can, for example, be a series of stacked reservoirs, or a group of fault compartments, or combinations of reservoir units and fault blocks. A prospect can span multiple plays, as it can contain segments that are located in different plays.

 

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