scholarly journals Electro-permanent magnetic weight release mechanism for buoyancy control of an autonomous well-logging tool

AIP Advances ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 025117
Author(s):  
Huseyin R. Seren ◽  
Erjola Buzi ◽  
Max Deffenbaugh
Keyword(s):  
Well Logging ◽  
Release Mechanism ◽  
Logging Tool ◽  
Buoyancy Control

Analysis of Nuclear Well-Logging Tool Response Sensitivities Using Monte Carlo Modeling

2015 ◽  
Author(s):  
B. Banzarov ◽  
N. Velker ◽  
A. Vinokurov ◽  
N. Simonov
Keyword(s):  
Monte Carlo ◽  
Well Logging ◽  
Monte Carlo Modeling ◽  
Logging Tool

Sandia develops high-temperature well-logging tool

Eos ◽  
1978 ◽  
Vol 59 (6) ◽  
pp. 530
Author(s):  
Anonymous
Keyword(s):  
High Temperature ◽  
Well Logging ◽  
Logging Tool

scholarly journals Impact of the ENDF/B-VIII.0 library on modeling nuclear tools for oil exploration

2020 ◽  
Vol 239 ◽  
pp. 20007
Author(s):  
Marie-Laure Mauborgne ◽  
R.J. Radtke ◽  
Christian Stoller ◽  
Fabien Haranger
Keyword(s):  
Cross Sections ◽  
Natural Radioactivity ◽  
Gamma Ray ◽  
Mineralogical Composition ◽  
Well Logging ◽  
Oil Field ◽  
Tool Development ◽  
Fundamental Part ◽  
Rock Formations ◽  
Logging Tool

In the oil field, exploration of the subsurface through well logging provides measurements of the characteristics of rock formations and fluids to help identify and evaluate potential reservoirs. Downhole nuclear measurements focus on formation properties such as natural radioactivity, formation density, and hydrogen content, as well as the identification of the elemental and mineralogical composition of the rock through spectroscopy. Accurate nuclear modeling is a fundamental part of nuclear well logging tool development, from concept through design to response characterization. Underlying the accuracy of nuclear modeling is a good knowledge of nuclear cross sections of the elements in the tool, borehole, and subsurface formations. The recent focus on replacing tools based on radio-isotopic sources with those based on D-T neutron generators opens many opportunities for new measurements but highlights the deficiencies of current cross sections. For example, in neutron-induced inelastic and capture gamma ray spectroscopy, major obstacles come from a lack of or inaccuracies in the cross sections of essential materials.

scholarly journals Effect of modeling porous media on the response of gamma-gamma well-logging tool

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Fatemeh S. Rasouli ◽  
S. Farhad Masoudi
Keyword(s):  
Porous Media ◽  
Well Logging ◽  
Logging Tool

Study of a novel density well-logging tool using A position-sensitive detector

2019 ◽  
Vol 154 ◽  
pp. 108844
Author(s):  
Fafu Niu ◽  
Zhiyi Liu ◽  
Dugan O'Neil ◽  
Shahin Dashtgard ◽  
Juntao Liu
Keyword(s):  
Well Logging ◽  
Position Sensitive Detector ◽  
Sensitive Detector ◽  
Position Sensitive ◽  
Logging Tool
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