Symmetry field

Name: Symmetry field
Brand: SLB

Fully integrated reservoir/multi-phase gathering system simulator

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Overview

Our fully integrated reservoir/multi-phase gathering system simulator enables you to quickly optimize your total field, no matter what the size.

Symmetry Field Workspace models large and small gas properties. The simulation of complex pipeline systems (with or without liquids), vertical/horizontal wells, 3D reservoirs, and simple tanks are all possible in one stand-alone model. Additional capabilities include flow splitting, line looping, parallel/series compression, multiple delivery points, and injection/withdrawal scenarios. The drag-and-drop pipeline design feature and on-screen UTM coordinate system enable the user to build surface network systems quickly and accurately.

A fast and efficient simulator

Symmetry Field Workspace accurately predicts results from infill drilling (including back-out of existing production), compressor modifications, and debottlenecking. Symmetry Field Workspace also assists with reserves determination, competitive drainage situations, and becomes a fit-for-purpose database of information for a gas property.

More than 20 years of successful usage

Symmetry Field Workspace has been used to model the low permeability fields of NE British Columbia/NW Alberta, and the shallow gas fields of SE Alberta/SW Saskatchewan. It is also widely used for evaluating and optimizing new and existing gas storage projects. Symmetry Field Workspace has been utilized on coal bed methane and shale gas type properties.

Applications

Shallow gas

VMGField has been widely used to model the SE Alberta and SW Saskatchewan shallow gas fields
Milk River, Medicine Hat, and Second White Specks formations
Gridded reservoir models with vertical communication
Vertical wells with multi-zone completions
Commingled production
Up to 8,000 wells in one model
Complex gathering systems operating at very low suction pressures

Tight gas

VMGField has been used to model the low permeability gas fields in NE British Columbia and NW Alberta
Gridded reservoir models
Multi-lateral horizontal wells
Pad drilling
Type curve matching
Complex gathering systems
Multiphase wellbore and pipeline

Shale gas

VMGField has been used to model shale gas fields in NE British Columbia
Very low permeability reservoir with multi-stage fractures
Gridded reservoir models
Vertical / horizontal wells
Pad drilling
Type curve matching
Multiphase wellbore and pipeline
Drill-to-fill

Coal bed methane

VMGField has been used to model coal bed methane
Gridded reservoir model linked with Gcomp multiphase simulator
Gas-water and dual porosity reservoir system
Langmuir isotherm tables
Relative permeability curves
Multi-lateral wells
Multiphase wellbore and pipeline

Gas storage modeling

Widely used for evaluating new projects and optimizing existing major projects in Western Canada
Injection and withdrawal scenarios
Gas marketing tool for day to day storage commitments

Benefits

User friendly graphical interface

Large interactive network system display
Create as-built network systems
Point and click/drag and drop network system creation
On screen well and network system component additions
Time saving input features
Time stepping (input and output)
Wizard tool to guide user through reservoir and network model design phase
Pipeline color coding
UTM coordinate system

Easily modify changes to an exploitation plan

Add and connect infill wells
Re-direct and loop pipelines
Insert/modify compression
Calculate pipeline lengths on the screen
Automatically calculate inflow coefficients

Easily develop a gridded reservoir system

Reservoir properties defined with spreadsheet arrays
Cut, paste, and scale properties
View well locations and transmissibility restrictions on spreadsheet arrays

Results Analysis

Easy to objectively quantify the benefits of changes to the exploitation plan such as infill drilling, addition of compression (field or plant) and de-bottlenecking of the gathering system
Compare results (graphically or tabular) on a well, group, and segment basis (i.e. pipe, compressor)
View results directly on the network system display at any point in time
Export performance data in Excel compatible format for further analysis and post processing (i.e. economic analysis)
Export reservoir results such as grid block pressure and gas-in-place for further analysis and post processing to third party software including Petrel E&P software platform

Features

Simulator

Quickly build fully integrated gridded 3D reservoir, complex gathering system, and facility models in one package
Predict nodal pressures, temperatures, fluid compositions and water born species concentrations in the network
User-friendly input/output interface
Computationally incredibly efficient—built for large fields with high well counts

Reservoir model

Dry gas (pseudo pressure formulation)
Gridded or tank reservoirs (1D, 2D, or 3D)
Fully-defined reservoir properties
Multi-layer/multi-zone
Multiple completions
Dual-porosity capability
Links to multi-phase simulator GCOMP for modeling of gas-water, coal bed methane, retrograde gas condensate, and oil reservoirs.

Wellbore model

Multiphase flow
Comminged, turbulent inflow
Fully-defined configurations
Vertical/horizontal wells
Gas lift

Gathering system model

Multiphase, multi-component pipeline flow
Multiple delivery points Compression (parallel and booster configurations)
Chokes, valves, regulators, separators, line heaters, in-line separators with products remaining in network
Corrosion based pipeline risk of failure assessment
Energy balance for flowing temperature calculation
Hydrate calculation

Training