gas buildup analysis
DESCRIPTION
Gas Buildup Analysis. - PowerPoint PPT PresentationTRANSCRIPT
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Gas BuildupAnalysis for Windows
Gas BuildupAnalysis for Windows
SiriusPetroleum Software
SiriusPetroleum Software
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Gas Buildup Analysis
GasBU uses standard buildup tests from individual wells and performs a buildup analysis using various methods. The program allows for easy determination of Reservoir Permeability, and Skin Effect using graphical and numerical
analysis. Results are summarised by well, group, pool, lease and company.
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GasBU, Sirius Petroleum Software 3
GasBUAgenda
• Well data
• Pool data
• Lease data
• Gas analysis data
• Special Features, System Options, Methods and Correlations
• Output Reports and Graphs
• Demo
• Questions
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Well Data
• Wells are defined with a pool, group and a lease.• Basic Data: Well name, UWI, group and lease.• Reservoir Data: Netpay, porosity, water
saturation, drainage radius, wellbore radius, equivalent production time and extended gas flow rate..
• Test Data: Shut-in Pressure and shut-in time..
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GasBU, Sirius Petroleum Software 5
Well Data
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Build up Parameters
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Build up Data
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Build up Point
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Analysis Options
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Analysis Results
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Analysis Results
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Analysis Results
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GasBU, Sirius Petroleum Software 13
Pool Data
• Basic Data: Pool name, Field name, and gas analysis name.
• Reservoir Data: Current pressure, formation temperature, and abandonment pressure, rock and water compressibility.
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GasBU, Sirius Petroleum Software 14
Pool Data
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Lease Data
• Basic Data: Lease name or number, number of wells in lease, working interest for each company.
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Lease Data
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Gas Analysis Data
• Full Gas Analysis: 12 Component gas analysis including N2, CO2 and H2S, C7
+ properties (Molecular Weight, Specific Gravity)
• Simple Gas Analysis: 3 non-HC including N2, CO2, and H2S, and a total gas specific gravity.
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Gas Analysis
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GasBUSpecial Features
• Data Selection
– Data selection: all points,or all selected points.
• Analysis Methods
– Horner – Pressure Squared method
– Horner – Pseudo pressure method
– MDH – Pressure Squared method
– MDH – Pseudo pressure method
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System Options
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Correlations
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Output, Reports and Graphs
• Table of results
• Diagram of results
• Numerous reports– well, pool, group, lease, company, etc.
• Numerous graphs– well, pool, group, lease, company, etc.
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Output Results
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Output Results
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Output Results
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Output Results
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Diagram
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Reports
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Graphs