VPPS Byte 16: Permeability Estimates from HPMI Capillary Pressure

By Scott Dodge (Virtual Petrophysics) and Craig Phillips (Crested Butte Petrophysical Consultants)Accurate permeability estimation from High-Pressure Mercury Injection (HPMI) core data is not only possible — it may be essential for understanding matrix properties in challenging reservoirs.This work was inspired by that of the late Dr Doug Ruth and Craig Lindsay (Ruth, D., Lindsay, C., …

Webcast – Rock Pore Typing a Tight Gas Sand Reservoir

Emerson Paradigm provided us the opportunity to present a live webcast on the 19th April 2018. This topic was first presented at the New Zealand Petroleum Conference 2018 and featured in the recent Virtual Petrophysics technical post, VPPS Byte 8. This Virtual Lecture Series webcast is now available for on demand viewing via GoToWebinar. You …

VPPS Byte 8: Rock Pore Typing a Tight Gas Sand Reservoir

In this installment of our VPPS Byte posts, is a discussion on the value of rock pore typing in a tight gas sand reservoir and the use of a rock pore type catalogue for your oil and gas reservoirs. In March 2018, Scott Dodge presented at the New Zealand Petroleum Conference a workflow developed for …

VPPS Byte 2: What is Critical Water Saturation and how it impacts NMR and Capillary Pressure mobile water

Critical Water Saturation One key petrophysical property that has been overlooked when interpreting whether mobile water is present in a reservoir is the critical water saturation (Swcr).  This saturation is an estimate of the minimum connate water saturation  (Sw) above which the relative permeability to water (Krw) allows water to flow in the reservoir. This …