User contributions for Ajhil

19 May 2021

• 08:3608:36, 19 May 2021 diff hist −893 OR/21/006 Manual picking →Manual log interpretation of facies packages that define formational units
• 08:3608:36, 19 May 2021 diff hist +893 OR/21/006 Manual picking →Manual log interpretation of facies packages that define formational units
• 08:3108:31, 19 May 2021 diff hist +1,375 OR/21/006 Manual picking →Manual log interpretation of facies units
• 08:2308:23, 19 May 2021 diff hist −1 OR/21/006 Manual picking →Manual log interpretation of facies units
• 08:2208:22, 19 May 2021 diff hist −13 OR/19/043 Methodology No edit summary current
• 08:2008:20, 19 May 2021 diff hist +809 OR/21/006 Manual picking No edit summary
• 08:1408:14, 19 May 2021 diff hist +191 OR/21/006 Introduction No edit summary
• 08:1208:12, 19 May 2021 diff hist +212 OR/21/006 Introduction No edit summary
• 08:0808:08, 19 May 2021 diff hist +1 OR/21/006 Manual picking →Optimal geophysical log combinations
• 08:0708:07, 19 May 2021 diff hist −4 OR/19/049 Sedimentary log and initial stratigraphical interpretation No edit summary current
• 08:0508:05, 19 May 2021 diff hist +178 OR/21/006 Manual picking No edit summary
• 08:0208:02, 19 May 2021 diff hist +1,022 OR/21/006 Manual picking No edit summary

18 May 2021

• 09:5609:56, 18 May 2021 diff hist +4,781 N OR/21/006 Conclusions Created page with "__NOTOC__ {{OR/21/006}} The aim of this report has been to evaluate a range of practical and accessible methods to derive lithology (or lithofacies) information from geophysic..." current
• 09:5509:55, 18 May 2021 diff hist +7,921 N OR/21/006 Facies classification using supervised machine learning Created page with "__NOTOC__ {{OR/21/006}} 6.1 BACKGROUND Machine learning is essentially a set of data-analysis methods that includes classification, clustering, and regression. Machine learnin..." current
• 09:5409:54, 18 May 2021 diff hist +4,526 N OR/21/006 Unsupervised cluster analysis Created page with "__NOTOC__ {{OR/21/006}} 5.1 BACKGROUND Clustering (or cluster analysis) is a technique that finds groups of similar objects that are more related to each other than to object..." current
• 09:5109:51, 18 May 2021 diff hist +4,723 N OR/21/006 Mineral composition analysis by linear inversion of log data Created page with "__NOTOC__ {{OR/21/006}} 4.1 BACKGROUND The volumetric determination of mineral composition from petrophysical logs has a long history originating in efforts to estimate relia..." current
• 09:4709:47, 18 May 2021 diff hist −351 OR/21/006 Lithology determination using log cut-off values No edit summary
• 09:4409:44, 18 May 2021 diff hist 0 OR/21/006 Lithology determination using log cut-off values No edit summary
• 09:4309:43, 18 May 2021 diff hist +351 OR/21/006 Lithology determination using log cut-off values No edit summary
• 09:4209:42, 18 May 2021 diff hist −392 OR/21/006 Lithology determination using log cut-off values No edit summary
• 09:4109:41, 18 May 2021 diff hist +392 OR/21/006 Lithology determination using log cut-off values No edit summary
• 09:3909:39, 18 May 2021 diff hist −17 OR/21/006 Lithology determination using log cut-off values No edit summary
• 09:3809:38, 18 May 2021 diff hist +348 N Template:Bibliography Created page with "{|class="wikitable" style="width:700px" style="background:#f0f8ff; font-size:110%" |Farr, G, Graham, J, and Stratford, C. 2014. Survey, characterisation and condition asses..." current
• 09:3709:37, 18 May 2021 diff hist +17 OR/21/006 Lithology determination using log cut-off values No edit summary
• 09:2609:26, 18 May 2021 diff hist +4 Template:OR/21/006 No edit summary current
• 09:2509:25, 18 May 2021 diff hist +32 Template:OR/21/006 No edit summary
• 09:2409:24, 18 May 2021 diff hist −4 Template:OR/21/006 No edit summary
• 09:2409:24, 18 May 2021 diff hist −14 Template:OR/21/006 No edit summary
• 09:2309:23, 18 May 2021 diff hist +335 N Template:OR/21/006 Created page with "{|class="wikitable" style="width:700px" style="background:#f0f8ff; font-size:110%" |Andrew J Newell, Mark A Woods, Romaine L Graham, and Vyron Christodoulou. 2021. Derivat..."
• 09:1809:18, 18 May 2021 diff hist +18,746 N OR/21/006 Lithology determination using log cut-off values Created page with "__NOTOC__ {{OR/21/006}} 3.1 INTRODUCTION The geophysical log response of different rock types generally occurs within a defined range of values that (partly) reflects the bul..."
• 09:1409:14, 18 May 2021 diff hist −108 OR/21/006 Manual picking No edit summary
• 09:1109:11, 18 May 2021 diff hist 0 OR/21/006 Manual picking →MANUAL CLASSIFICATION OF LITHOFACIES EXAMPLE: THE CHALK GROUP
• 09:1009:10, 18 May 2021 diff hist 0 OR/21/006 Manual picking →BASIC PRINCIPAL AND RATIONALE
• 09:0809:08, 18 May 2021 diff hist +26,457 N OR/21/006 Manual picking Created page with "__NOTOC__ {{OR/21/006}} ==BASIC PRINCIPAL AND RATIONALE== The manual approach to lithofacies classification of geophysical logs is a digitising process. This is generally (an..."
• 09:0109:01, 18 May 2021 diff hist 0 OR/21/006 Introduction →The problem of deriving lithofacies from geophysical log data
• 09:0109:01, 18 May 2021 diff hist 0 OR/21/006 Introduction →The problem of deriving lithofacies from geophysical log data
• 08:5708:57, 18 May 2021 diff hist +3,105 N File:OR21006 fig1.pdf No edit summary current
• 08:5608:56, 18 May 2021 diff hist +1 OR/21/006 Introduction →The problem of deriving lithofacies from geophysical log data
• 08:5108:51, 18 May 2021 diff hist +77 OR/21/006 Introduction No edit summary
• 08:4808:48, 18 May 2021 diff hist −4 OR/21/006 Introduction No edit summary
• 08:4508:45, 18 May 2021 diff hist +1 OR/21/006 Introduction No edit summary
• 08:4408:44, 18 May 2021 diff hist +5,016 N OR/21/006 Introduction Created page with "__NOTOC__ {{OR/21/006}} 1.1 THE IMPORTANCE OF GEOPHYSICAL LOGS Geophysical logs are continuous recordings of a physical parameter along a borehole. Many different types of pa..."
• 08:3408:34, 18 May 2021 diff hist +3,105 N File:OR21006 FrontCover.pdf No edit summary current
• 08:3008:30, 18 May 2021 diff hist +3,140 N File:OR21006 Front Cover.pdf OR_21_006 Front Cover current
• 07:5907:59, 18 May 2021 diff hist +166 N Category:OR/21/006 Derivation of lithofacies from geophysical logs: a review of methods from manual picking to machine learning Created page with "__NOTOC__ {{OR/21/006}} frameless|150px|link=http://nora.nerc.ac.uk/id/eprint/519559/1/OR21006.pdf 06" current

12 May 2021

• 09:4409:44, 12 May 2021 diff hist +34 Category:BGS Open Reports No edit summary

22 May 2020

• 12:2012:20, 22 May 2020 diff hist +2 OR/19/064 About the GeoClimate datasets →Background current
• 12:1912:19, 22 May 2020 diff hist −1 OR/19/064 About the GeoClimate datasets →Background
• 12:1812:18, 22 May 2020 diff hist +56 OR/19/064 About the GeoClimate datasets →Background
• 12:1512:15, 22 May 2020 diff hist 0 OR/19/064 About the GeoClimate datasets →GeoClimate premium