Better automatic interpretation of cement evaluation logs through feature engineering

EM Viggen, L Løvstakken, SE Måsøy, IA Merciu - SPE Journal, 2021 - onepetro.org
We investigate systems to automatically interpret cement evaluation logs using supervised
machine learning (ML). Such systems can provide instant rough interpretations that may …

Pyintegrity: An Open-Source Toolbox for Processing Ultrasonic Pulse-Echo Well Integrity Log Data

EM Viggen, A Diez, TF Johansen - SPE Norway Subsurface …, 2024 - onepetro.org
Many companies offer similarly designed wireline tools using ultrasonic pulse-echo
measurements to evaluate barrier integrity in cased-hole wells. While these tools provide …

Acoustic wave propagation in oil wells: A comparison between semi-analytical and finite element modeling approaches

LPB de Souza, JAS Hidalgo, T de Magalhães Correia… - Wave Motion, 2024 - Elsevier
Acoustic logging is one of the most used techniques for inspecting the integrity of oil wells.
Traditional acoustic techniques have some limitations to analyze the condition of the cement …

Machine learning framework to generate synthetic cement evaluation logs for wellbore integrity analysis

L Santos, A Dahi Taleghani - ARMA US Rock Mechanics …, 2021 - onepetro.org
Proper zonal isolation is key to ensure optimum injection and production and it is highly
dependent on the cement bond to the casing and the formation. Yet, in most wells, cement …

[PDF][PDF] From 3D to 1D: Effective numerical modelling of pulse-echo measurements in pipes

A Diez, TF Johansen, EM Viggen - 46th Scandinavian Symposium …, 2023 - researchgate.net
In the oil and gas industry, pulse echo measurements have for decades been used in cased
holes to estimate the properties of the materials on the outside of the pipe. To investigate the …

[PDF][PDF] Modelo Numérico Semi-Analítico para a Propagação de Ondas Acústicas Guiadas em Tubulares Excêntricos com Aplicações na Perfilagem de Poços de …

LPB de Souza - 2024 - maxwell.vrac.puc-rio.br
Kubrusly, Alan Conci. Modelo Numérico Semi-Analítico para a Propagação de Ondas
Acústicas Guiadas em Tubulares Excêntricos com Aplicações na Perfilagem de Poços de …

[PDF][PDF] Automated Drill Plan Using Reinforcement Machine Learning

G Ofosu-Budu - 2023 - uis.brage.unit.no
Well planning is considered to be one of the most demanding aspect of drilling. Well
planning is carried out to formulate a program for drilling a well in the safest and most cost …

Machine learning-based evaluation of eccentricity and acoustic impedance in oil well using VDL data

MG de Castro Ribeiro, GRB Ferreira… - Geoenergy Science and …, 2023 - Elsevier
Logging procedure and interpretation are complicated mainly because of the large amount
of different data inherited. One way to facilitate the problem is to use fewer tools but keep the …

[PDF][PDF] Enhanced analysis of ultrasonic impedance logs: Improved imaging and fluid channel detection

SA Hoff - 2020 - ntnuopen.ntnu.no
Målet med denne oppgaven er å detektere vertikale trekk i sementen rundt foringsrøret i olje-
og gassbrønner ved å bruke mønstergjenkjenningsteknikker basert på maskinlæring på …

Análise estatística em dados de perfilagem como suporte à avaliação da integridade do revestimento de poços de petróleo

APA Ferro - 2021 - repositorio.ufal.br
RESUMO O revestimento de poços de petróleo consiste em uma estrutura tubular em aço
de alta resistência que desempenha funções diversas, seja no decorrer da fase construtiva …