Subsurface integration has always been a hot topic for the EP companies. Today, more than ever, there is a strong push to tackle the subsurface challenges in an integrated fashion. Unfortunately, the misconception of collocating subsurface people in the same corridor as the one and only requirement to achieve subsurface integration is well alive. Subsurface […]
The question itself strikes deep uncertainty into the hearts of geologists, geophysicists, reservoir modellers and many other subsurface experts. As a geophysicist, how could I quantify the accuracy of the position and geometry of my meticulously picked horizons and faults? I would cook something up, based on wavelengths, detectability limits, velocity model issues, Fresnel zones, […]
Geomodelling has been in service for decades in the industry. The technical and business mission has evolved remarkably in different ages. Past: Age of Geostatistics (approx. 1970s-1990s) representing technology: Kriging, Co-kriging, SIS, SGS We are in the post classic-geostatistics age but when it was invented, Geostatistics is motivated by demands such as: (1) data conditioning: […]
It takes ONLY 3 mins to read this article. Uncertainty is an uncomfortable position. But certainty is an absurd one – Voltaire. This is what every reservoir engineer knows: In a closed-loop reservoir management system, continuous updating of reservoir model is required when new data (e.g. 4D seismic, production data, pressure measurements) become available, without returning […]
Before I get down to the meat of the post, I’d like to say that THE TIME HAS CHANGED for conventional oil producers. Yes, you read it right. With the rise of the unconventional oil, we’ve witnessed a structural change of the industry’s focus. The competition has never been fiercer between conventional and unconventional. The […]
To begin with, I think you agree with me: Thanks to the progress in computing performance and commercial geomodelling software, building a reservoir model are not terribly difficult. But to build the ‘right’ model with adequate level of complexity that can satisfactorily support the business decision is often not straightforward, at a particular stage of […]