53-GB-Early Capability Reservoir Modeling

Career Community

Geoscience

Job Family Summary

GEOReservoir Modeling

Members of this job family (Reservoir Modelers) integrate structural and stratigraphic descriptions seismic interpretation reservoir quality data reservoir performance data and geologic concepts to characterize a reservoir system its constituent rock property types and their architecture. These characterizations take the form of a static representation or reservoir model. Since the model oftentimes serves as a primary input for production performance prediction and development planning the reservoir modeler must pay particular attention to the components that may impact both the initial fluid conditions and future dynamic performance. The modelers role includes integrating faults horizons zones seismic attributes fluid and pressure information and Environments of Deposition polygons (EODs) to form an architectural framework. This framework geologic concepts and various geostatistical tools are used to spatially distribute reservoir properties such as lithofacies rock type net:gross porosity permeability and fluid saturation. A reservoir model must be designed appropriately for the business decision that it will be supporting taking into account the data available fluid system and business stage of the application. Members of this job family must be fully conversant in the fundamentals of geoscience and reservoir engineering and able to effectively communicate and work with multiple geoscience and engineering job families. They must fully understand the source and quality of both input data and interpretations and must be able to help define and quantify the uncertainty associated with these inputs and any resulting model.

Job Role Summary

• The early capability Reservoir Modeler like any generalist geoscientist must develop a broad range of fundamental geoscience skills. He/she must focus on developing the ability to comprehend and integrate data knowledge ideas and interpretations to solve geologic problems and to characterize a reservoir particularly in the development and production business stages.
• Work quality and quantity demonstrating leadership and mentoring skills are performance dimensions that are expected to expand in scope and breadth through time. Upon completion of the ECM the expectation is that a geoscientist should have the skills capabilities and knowledge required to contribute independently irrespective of business stage to reservoir characterization and modeling studies.
• Skills required include the twentythree fundamental skills listed below (level 12 three advanced skills (level 12 and a basic understanding of internal upstream business terminology processes and systems. This knowledge will be obtained through a combination of onthejob experience and basic training. Skills requiring a minimum of competent capability are the ones needed to develop key inputs to reservoir models (e.g.. Application of Sequence Stratigraphic Concepts) or to build a routine model (e.g.. Reservoir Modeling). Individuals should be exposed and participate in a range of business activities and decisions such as prospect definition whether to build a reservoir model definition of resource associated with a workover etc.
• Employees are encouraged to take an active role in their skill and capability development while meeting their business needs. They are encouraged to selfassess in as many skills and capability milestones as appropriate to accurately reflect their technical capabilities. See the GCO SharePoint for further documentation on career path and milestones.

Functional Skills

(F) Depositional Models

(F) Drillwell Planning &

(F) Field Development & Depletion Planning

(F) Formation Evaluation Planning & Petrophysical Analysis

(F) Forward Seismic Modeling

(F) Gravity Magnetics & Electromagnetics

(F) Hydrocarbon System Characterization

(F) Application of Sequence Stratigraphic Concepts

(F) Opportunity Identification Maturation & Stewardship

(F) Assessment

(F) Regional Geology & Basin Evaluation

(F) Reservoir Characterization

(F) Reservoir Characterization & Performance Prediction

(F) Reservoir Characterization Research

(F) Reservoir Fluid Compartment Connection Analysis

(F) Reservoir Modeling

(F) Reservoir Presence

(F) Reservoir Quality

(F) Reservoir Surveillance & Optimization

(F) Rock Property Analysis

(F) Seismic Attribute Analysis

(F) Seismic Interpretation

(F) Seismic Well Tie Generation & Interpretation

(F) Structural Interpretation

(F) Subsurface Mapping & Analysis

(F) Velocity Models & Domain Conversion

(F) Geophysical Data Processing

(F) Geophysical Operations

(F) Trap & Seal Definition

Behavioral Skills

(B) Adapts

(B) Analytical

(B) Collaborates

(B) Communicates Effectively

(B) Creates Business Value

(B) Mentors

(B) Promotes Inclusion

(B) Shows Initiative