Graham’s World

 

Presentations & Tutorials

0. Introduction - Basic Concepts

1. Measurements - Lithology

2. Measurements - Porosity

3. Measurements - Fluid

4. Measurements - Pressure

5. Measurements - Permeability

6. Measurements - NMR

7. Conclusions

Petrophysics for Dummies

24 January 2010

Here is my Beginner’s Guide to Petrophysics.  The full movie lasts over an hour - so I’ve split it up into these chapters:

Permeability: from Cap-Curve to FLowrate

8 February 2010

Here I attempt to show how Saturation Height modelling can be used in permeability prediction and validate this with PLT spinner data:

1. Introduction - Capillary Pressure

2. Field Example

Pickett PLOT Essentials: The Graphical Archie SoLution

14 March 2010

Originally made for the PP for Dummies Seminar, here I’m trying to show the basics of resisistivy analysis & pore space behaviours:

http://www.justgiving.com/Graham-Davis
Download Page HereDOWNLOADS.html

Residual Oil:

Logging Behind The Flood Front

18 April 2010

Work I did back in 2003 to try and quantify the Residual Oil Prize for the Magnus EOR scheme when I used to work for BP:

1. Introduction - Concepts & Issues

2. Magnus Field Example

3. Follow-up DTI Reference (click here)PRESENTATIONS_files/DTI_IOR_Paper_Long_Term_Temperature_Changes_from_Injection_of_Sea_Water_2004.pdf

1. Methodology

2. Applications I

3. Applications II

FLOW-CONDITIONED

PERMEABILTY

Modelling

21 August 2010

Recent work summarising my approach to permeability modelling.  Here I attempt to show that the use of flow profiling gives additional reservoir insights and a more meaningful assessment of permeability prediction quality.  The Applications presentations show this approach used in upscaling, cut-off determination and flow-rate prediction sensitivity.

Top Tip - use the Flash Player “maximise screen” button to correctly size the presentation for your screen

IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_0_Introduction_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_0_Introduction_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_1_Lithology_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_1_Lithology_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_3_Fluid_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_3_Fluid_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_4_Pressure_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_4_Pressure_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_2_Porosity_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_2_Porosity_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_6_NMR_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_6_NMR_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_7_Conclusions_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_7_Conclusions_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_5_Permeability_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/PP_For_Dummies/PP_For_Dummies_5_Permeability_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Flow%20Conditioned%20Perm/GD_Website_Flow_Conditoned_Perm_Apps_1_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Flow%20Conditioned%20Perm/GD_Website_Flow_Conditoned_Perm_Apps_1_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Flow%20Conditioned%20Perm/GD_Website_Flow_Conditoned_Perm_Apps_2_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Flow%20Conditioned%20Perm/GD_Website_Flow_Conditoned_Perm_Apps_2_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Flow%20Conditioned%20Perm/GD_Website_Flow_Conditoned_Perm_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Flow%20Conditioned%20Perm/GD_Website_Flow_Conditoned_Perm_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Pickett_Plot_Essentials/Pickett_Plot_Essentials_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Pickett_Plot_Essentials/Pickett_Plot_Essentials_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Residual%20Oil/Residual_Oil_Logging_Behind_the_Flood_Front_Issues_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Residual%20Oil/Residual_Oil_Logging_Behind_the_Flood_Front_Issues_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Residual%20Oil/Residual_Oil_Logging_Behind_the_Flood_Front_Well_Example_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Residual%20Oil/Residual_Oil_Logging_Behind_the_Flood_Front_Well_Example_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Permeability%20-%20Cap%20Curve%20to%20Flowrate/Permeability_From_Cap_Curve_to_Flowrate_Intro_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Permeability%20-%20Cap%20Curve%20to%20Flowrate/Permeability_From_Cap_Curve_to_Flowrate_Intro_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Permeability%20-%20Cap%20Curve%20to%20Flowrate/Permeability_From_Cap_Curve_to_Flowrate_Field_Example_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Permeability%20-%20Cap%20Curve%20to%20Flowrate/Permeability_From_Cap_Curve_to_Flowrate_Field_Example_M4V.html

PETROPHYSICS:  More Important Than Ever

17 April 2011

Presentation made to MSc students - to show the value of petrophysics in mature field environments.  With less than 100 petrophysicists working in the UK....there’s potentially a lot of work out there.

IPHONEhttps://www.g-davis.com/flash/Movies/Petrophysics%20More%20Important%20Than%20Ever/Petrophysics_More_Important_than_Ever_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Petrophysics%20More%20Important%20Than%20Ever/Petrophysics_More_Important_than_Ever_M4V.html
https://www.justgiving.com/Graham-Davis

Conglomerator:  The Trouble  WITH ROCKS

3 July 2011

This presentation uses quantitative image analysis and core data to create a petrophysical simulation tool using an Excel random number generator & appropriate property distributions.

IPHONEhttps://www.g-davis.com/flash/Movies/Conglomerator/Conglomerator_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Conglomerator/Conglomerator_M4V.html

1. Introduction

2. The Spreadsheet Instructions

3. QC Examples

Saturation Height:

A Practical

Approach

15 September 2011

Presentation made to both the Aberdeen Formation Evaluation Society (AFES) and London Petrophysical Society (LPS). It’s called a “practical approach” because it describes the use of an Excel Modelling spreadsheet - contact me here if you would like a copy.  Of course, I cannot accept responsibility for any of your results, or for any problems you may encounter, with this tool.

IPHONEhttps://www.g-davis.com/flash/Movies/Saturation%20Height%20-%20A%20Practical%20Appoach/Saturation_Height_A_Practical_Approach_Spreadsheet_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Saturation%20Height%20-%20A%20Practical%20Appoach/Saturation_Height_A_Practical_Approach_Spreadsheet_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Saturation%20Height%20-%20A%20Practical%20Appoach/Saturation_Height_A_Practical_Approach_Examples_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Saturation%20Height%20-%20A%20Practical%20Appoach/Saturation_Height_A_Practical_Approach_Examples_M4V.html
IPHONEhttps://www.g-davis.com/flash/Movies/Saturation%20Height%20-%20A%20Practical%20Appoach/Saturation_Height_A_Practical_Approach_Introduction_MP4.html
IPADhttps://www.g-davis.com/flash/Movies/Saturation%20Height%20-%20A%20Practical%20Appoach/Saturation_Height_A_Practical_Approach_Introduction_M4V.html