GEG Services – Tasks and Activities

GGE (Geology, Geophysics and Engineering) Tasks and Activities

OCRE strongly believes in the application of Best Practicing in Geological, Geophysical and Engineering studies and operational activities. The following is a list of Typical Projects, and a summary of the different Tasks and Activities involved, extracted from the OCRE Best Practice Management System (BPMS) which our World-wide experts Excellency Network applies, and which specifications are continuously being updated and enhanced following new experiences, technological developments, and applications.

Geology:

Territorial Management – Geographic Information Systems (GIS)
Drone Site Surveys (UAV; Unmanned Aerial Vehicles) – 3dmodeling
Micro seismicity studies and monitoring
Earthquake analyses and Modelling
Remote Sensing Acquisition, Elaboration and Interpretations including InSAR
Terrain Subsidence-Uplift Studies
Analyses and Modelling of Faulted and Fractured Rocks
Geological Field Work s.l.
Core Studies, Conventional and Special, Geomechanics
Seismic Interpretation, Mapping, and 3d Structure Modelling

Geophysics:

Offshore High-Resolution Geophysical site-surveys
Magnetotelluric (MT) studies
Seismic Acquisition, Planning, and (re)Processing
Well Bore Seismics
Grav-Mag Acquisition and Modelling

Portfolio Management:

HC and Mining – Prospect Generation, Risking and Ranking
Asset Evaluation, Peer Reviews, Economics, QC, Competent Person’s Reporting

Engineering:

Well Drilling, Logging, Completion and Work-over
Log interpretation, Petrophysics, and Modelling
Reservoir Modelling, Production Planning
Facilities Planning and Management
Civil Engineering Planning, Construction and Management

IT:

Data management, Library and archiving, data conversion
Cloud, Big Data, AI, ML, Coding and Development
3d Computer Modelling, 3d scanning and printing, CAD-CAM & Digital Twinst

HR:

Organisation Analyses
Job Description, Gap Analyses
Training
Incentives – Team Building
PR, Promotion, Image Building

Activities Classification for BPMS (Best Practice Management System)

Section A – Information, Data Management, Projects
- Task A.1 Information
  - Activity A.1.1 Data Management and Storage
    - Geophysical, Geological and subsurface information
    - Vintage, Industrial, and Scientific Information
    - Small Data and Big data
- Task A.2 Projects
  - Activity A2.1 Project Set-Up
    - Interpretation Systems
    - Geographic Information Systems (GIS)
    - Dynamic Simulation Systems
    - Special Tasks Systems

Section B – Geological & Geophysical and Other Technical Studies
- Task B.1 Geological Model
  - Activity B.1.1 Data Collection and Regional framework
  - Activity B.1.2 Reconstruction of the Plate Tectonic Setting
  - Activity B.1.3 Reconstruction of the Stratigraphic Framework
  - Activity B.1.4 Structural Modelling
  - Activity B.1.5 Description of the Basin Evolution
  - Activity B.1.6 Definition of the Petroleum System & Play Concepts
  - Activity B.1.7 Reconstruction of the E&P Activity and Hydrocarbon Potential
  - Activity B.1.8 Field Geological Studies
- Task B.2 Remote Sensing & Surface Studies
  - Activity B.2.1 Geological Interpretation on Satellite Photography
- Task B.3 Grav/Mag Interpretation
  - Activity B.3.1 Grav/Mag Interpretation
- Task B.4 Seismic Studies
  - Activity B.4.1 Seismic to Well Tie
  - Activity B.4.2 Seismic Interpretation
  - Activity B.4.3 Velocity Modelling
- Task B.5 Well Data Studies
  - Activity B.5.1 Vintage Wells
  - Activity B.5.2 Log Correlation
  - Activity B.5.3 Cores & Cuttings
  - Activity B.5.4 Special Core Analyses
  - Activity B.5.5 Petrophysical Studies
  - Activity B.5.6 Well Test & Fluid Analyses
  - Activity B.5.7 Subsurface Conditions
- Task B.6 Shared Earth Model (SEM)
  - Activity B.6.1 Seismic Mapping
  - Activity B.6.2 3d Modelling
- Task B.7 Post well evaluation
  - Activity B.7.1 Post Well Evaluation

Section C. Operations
- Task C.1 Grav/Mag Acquisition & Processing
  - Survey design
  - Acquisition & In Field Processing
- Task C.2 Seismic Acquisition & Processing
  - 2d & 3d Seismic Survey Design
  - Seismic Acquisition Execution Phase
  - Seismic (Re)Processing
- Task C.3 Well Drilling, Completion & Production
  - Well Planning – Well Initiation Document (WID)
  - Well Delivery
  - Execution phase (Monitoring, Steering)
- Task C.4 Field Geological Studies

Section D. Models (Leads, Prospects, Reservoirs; Volumes, Risks, Models)
- Task D.1 Prospect Generation & Evaluation
  - Activity D.1.1 Prospect Definition
  - Activity D.1.2 Prospect Volumetric Calculation
  - Activity D.1.3 Prospect Risking and Ranking
- Task D.2 Reservoir Modelling
  - Activity D.2.1 Static Modelling
  - Activity D.2.2 Dynamic Modelling
- Task D.3 Asset Evaluation – CPR
  - Activity D.3.1 Asset Description
  - Activity D.3.2 Asset Economic Evaluation

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GEG Services – Tasks and Activities

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