... standard services are inconclusive or ambiguous and deploying wireline is not viable because of highly deviated boreholes. Neutron-induced gamma ray spectroscopy is a cornerstone for evaluating these complex reservoirs, as it provides the essential rock matrix information for an accurate petrophysical...

... 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...

... ABSTRACT A new slim multi-detector pulsed neutron wireline logging tool has been developed for open-hole or cased-hole formation evaluation saturation analysis and time-lapse monitoring. With a greater neutron source output and high-spectral resolution gamma-ray detectors, the tool can...

... ABSTRACT Based on the different processes of luminescence, new double particle nuclear detector called the potassium cryolite scintillation such as Cs 2 LiYCl 6 :Ce(CLYC), Cs 2 LiLaCl 6 :Ce(CLLC), Cs 2 LiYBr 6 :Ce(CLYB), and Cs 2 LiLaBr 6 :Ce(CLLB) is capable of collecting neutron and gamma...

... properties. Although magnesium elemental weight fraction is measured using newer generation neutron spectroscopy tools, magnesium rich clay minerals are not properly accounted for in vendor-specific oxide closure models correlating rock chemistry with rock mineral composition and in commercial petrophysical...

... ABSTRACT Pulsed neutron gamma energy spectroscopy and neutron lifetime measurement systems enable the evaluation of elemental content and the degree of saturation, and recent research has proved that the system can be used to determine neutron porosity. Algorithms introduced in the past have...

... the world, such as seismic exploration, CT and well temperature logging, etc. As an important method of gas saturation evaluation in nuclear geophysical exploration, pulsed neutron logging technology also plays an indispensable role in the evaluation of CO 2 distribution. Based on the three-detector...

... well logging annual logging symposium neutron reservoir characterization detector inelastic gamma ray fast neutron upstream oil & gas sensitivity porosity thermal neutron log analysis rit 21 pulsed neutron system field distribution cross section evaluation gas saturation...

... calculation and development plans making. Conventional logging technologies including acoustic logging and resistivity logging have played a role in gas formation identification and evaluation. Besides, inelastic and capture gamma energy spectrum or time spectrum from pulsed neutron logging tools with NaI...

...SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0115 AN ACCURATELY DETERMINING POROSITY METHOD FROM PULSED-NEUTRON ELEMENT LOGGING IN UNCONVENTIONAL RESERVOIRS Feng Zhang, Fei Qiu, Qunwei Fang, Xiaoyang Zhang, Hui Zhang, Fangwei Tang and Jilin Fan, China University...

... SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0099 AN ENHANCED METHOD FOR CRACK EVALUATION UTILIZING NEUTRON GAMMA TRACER IMAGING LOGGING TECHNOLOGY IN CARBONATE RESERVOIR Qian Chena, Feng Zhanga, Lili Tiana, Xiaoyang Zhanga, Xianghui Lib, Qunwei Fanga, Junting Fana...

... lost wells. All these factors used to make Open Hole logging a necessary risk that companies had to take. By applying a combination of through casing logging, gamma ray, neutron, density, sonic and a pulsed neutron tool that allows gas identification in very low porosity sands, a complete petrophysical...

...SPWLA 60th Annual Logging Symposium, June 15-19, 2019 DOI: 10.30632/T60ALS-2019_I 1 THE NEUTRON DANCE: A QUEST FOR RELIABLE CASED-HOLE NEUTRON DATA FOR HIGH-TEMPERATURE STEAMFLOOD SURVEILLANCE Abbie V. Morgan, Ericka S. Harper, Andy S. Jerrett, Aera Energy LLC Copyright 2019, held jointly...

.... The current saturation of the shallow gas reservoir in Yesilgol-1 was evaluated with a pulsed neutron logging operation. The interpretation of the logs was supported by five different data sources (seismic cross sections, lithology recordings, X-ray Diffraction (XRD) analysis of drill cuttings, gas readings...

...SPWLA 60th Annual Logging Symposium, June 15-19, 2019 DOI: 10.30632/T60ALS-2019_NNN 1 A NEUTRON-INDUCED GAMMA-RAY SPECTROSCOPY LOGGING METHOD FOR DETERMINING FORMATION WATER SALINITY Lili Tian1, Feng Zhang1,2, Quanying Zhang1, Qian Chen1, Xinguang Wang1,2, Fei Qiu1 1School of Geosciences, China...

... Upstream Oil & Gas spwla 59 pulsed neutron detector neutron neutron tool well logging porosity measurement neutron porosity slowing-down length salinity effect formation response log analysis burst ratio porosity borehole effect Symposium capture ratio neutron porosity...

... detector particle neutron log analysis well logging modeling Simulation Library petrophysical inversion Upstream Oil & Gas MCNP spwla 59 Snupar input file Symposium cross section unstructured mesh detector response geometry source description nuclear parameter...

... be assessed. One such technique was tested at the CO2CRC Otway Research Facility in southwest Victoria, and it is the subject of this paper. Pulsed neutron logging has been used for reservoir monitoring in the oil business for over 40 years. Conventional techniques rely on the measurement of the thermal...

... ABSTRACT As the depletion of conventional oil and gas reserves, the unconventional resources such as tight or shale gas and oil are increasing important to the energy supplies of our world. Several logging instruments based on pulsed neutron accelerator have been launched to estimate elemental...

... ABSTRACT Neutron porosity measurements are heavily used in formation evaluation together with density and resistivity logs. Although this measurement provides a good porosity value for a clean formation, it is easily influenced by conditions in the borehole and in the formation being evaluated...