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Keywords: detector
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Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0103
... ABSTRACT The pulsed neutron logging technique has been widely used to monitor the oil and gas saturation in oilfield development, and pulsed neutron-neutron (PNN) logging as one of pulsed neutron logging methods, uses He-3 detectors to detect the thermal neutron counts decay with time downhole...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0082
... by the Society of Petrophysicists and Well Log Analysts (SPWLA) and the submitting authors. This paper was prepared for presentation at the SPWLA 65th Annual Logging Symposium held in Rio de Janeiro, Brazil, May 18-22, 2024. detectors installed on the density tool. This creates a unique challenge for accurate...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0114
... by recording the gamma flux distributions at different energies returned to the different detectors and extracting the total number of gamma counts for each detector within the different ABSTRACT energy windows to derive the recorded values for that condition. The near and middle probes have a shallow Deep...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0109
... identification and adjustment. In addition, applications indicated that the The principle of this method is to take the gamma-ray flux received by the detector in inclined or horizontal wells as a 1D equivalent integral problem under vertical well conditions. There are three key points. 1) First, take the total...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0108
... allows us to gain a better understanding. The traditional nuclear density measurement relies on gamma ray transport from the source to the detectors. The neutron-gamma density, in addition to the gamma ray transport, relies on the neutron transport and the attenuation for the determination...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0119
... geology porosity geologist rock type neutron porosity annual logging symposium carbonate rock well logging neutron spwla 65 th annual logging symposium neutron generator salinity detector evaluation sedimentary rock mineral log analysis thermal neutron sensitivity china...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0121
...SPWLA 65th Annual Logging Symposium, May 18-22, 2024 DOI: 10.30632/SPWLA-2024-0121 A NEW METHOD OF POROSITY DETERMINATION BY D-T NEUTRON GENERATOR AND DUAL CLYC DETECTOR Junting Fana, Feng Zhanga, Qixuan Lianga, Yuyu Wub a. School of Geosciences, China University Of Petroleum (East China) , b...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0120
... passive mode with the generator off. Processing software has been developed concurrently that incorporates the traditional parameters with several additional parameters such as cement density. The new multi-detector pulsed neutron tool can be conveyed in a wide range of borehole sizes, completion...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0117
... of a matrix detector, an imaging aperture and an X-ray source. Irrational structural parameters and fluid corrections affect the X-ray flux distribution response to water layer thickness, leading to inverse imaging failures, with single Compton scattering contributing more than 90%. Therefore, it is essential...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0078
... on the structure of the detection system, Monte Carlo simulation method is used to model the D-T source instrument for gamma detection and the chemical source instrument for thermal neutron detection. The gamma energy and time spectrum information from multiple gamma detectors are recorded. The two auxiliary...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0004
... government north america government reservoir characterization co 2 geologist geology sigma mineral detector badruzzaman application aquifer hydrogen information california europe government sustainable development th annual logging symposium spwla 64 neutron generator SPWLA 64th...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0124
... measurements while rotating, sliding, and static. The tool is equipped with two gamma ray scintillation detectors spaced 180° apart, positioned close to the directional sensors. A thin sleeve protects the gamma ray detectors while positioning them as close to the formation as possible to improve measurement...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0008
... using different degassing and gas analysis techniques, including direct mass spectrometry while drilling and laboratory gas chromatography-thermal conductivity detector analysis. Additional proposed developments concerning dedicated natural H 2 logging analyzers are described, e.g., cavity-enhanced...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0078
... Abstract In our previous research which has published in 62th SPWLA symposium, a numerical simulation method was proposed which about the double particle detector CLYC (Cs 2 LiYCl 6 :CE) to get the response of thermal neutron and gamma ray. It is feasible to use CLYC detector in pulsed neutron...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0060
... installation and operations detector identification spwla 63 compton ratio horizontal drain acquisition asphaltene deposition perforation rd annual logging symposium interpretation spwla-2022-0060 SPWLA 63rd Annual Logging Symposium, June 10-15, 2022 DOI: 10.30632/SPWLA-2022-0060 EXPLORING...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0087
... spacing detector was generally used to improve detection sensitivity for quantitatively evaluating gas saturation. However, there are complex formation minerals and pore fluid composition in tight sandstone and carbonate reservoirs, and then it will obviously affect gas saturation evaluation...

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