by John Northcott | Feb 1, 2021 | Blog
The negative mental picture. Did you hear the one about the remote geosteerer working in their Tigger pajamas, chain eating Cheetos and swigging Dr. Pepper from a 2-liter bottle while steering your well? Yeah, we heard it too. The image was delivered as a sales pitch...
by Shalina Warrior | Nov 2, 2020 | Blog
CAUTION: TVD’s in horizontal wells could mislead you Don’t rely too much on those TVD values toward the toe of your lateral. All the sources of wellbore positional uncertainty can add up to significant cumulative TVD error. This post is about one of them- perhaps...
by John Northcott | Aug 10, 2020 | Blog
Type log thicker than the interval you are steering through? Type logs (TL’s) are our models, right? What do we do when the TL model doesn’t reflect the apparent thicknesses in our real-time interpretations? We usually start by dialing in dip solutions well above...
by Shalina Warrior | Sep 19, 2019 | Blog
Try this: ask your drilling engineer and/or manager to run 30’ surveys in the next well. What kind of response will you get? Laughter? Eye rolls? Flat out “No”? 90’ survey data is industry-standard beyond the end of the curve (EOC). But what is lost between the survey...
by Shalina Warrior | Jul 31, 2019 | Blog
A must-read for any geosteering geologist, geo-steering engineer and anyone involved or interested in horizontal wells and horizontal drilling! Hopefully, you laughed out loud reading the 6 Stages of Geosteering (Un)Certainty and are well versed on importance of...
by Raymond Woodward | Jul 18, 2019 | Blog
This is the introduction to a blog series on “Positional Uncertainty” – not accurately knowing the position of your well path. What follows here is well studied and very well documented, but not so often discussed and sadly unknown among most geosteering...