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Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0028
... permeabilities and sensitivity to wettability. Physical steady-state and digital relative permeabilities on several core plugs and subsets are compared in this study, which discusses the advantages of performing both as part of the formation evaluation process. The physical and digital results compare...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0033
... of this paper is to determine what quantitative data can be obtained using 2D T1-T2 NMR from source rocks with high confidence. We found the oil and water saturation can be accurately measured in preserved source rock plugs. 2D T1-T2 NMR data was collected on preserved core plugs from five wells of a source...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0062
...% of the NMR porosities obtained from rock core plugs and logging data. In addition to deriving the porosity, the T 2 distributions (related to pore size distributions) can unlock a whole new suite of parameters which can be derived from cuttings including the relative size of the pores and the bound vs...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0128
... its appropriateness as a subsurface rock sample acquisition method. Six sandstones of known properties were used in the testing program to cover a wide range of particularly low and medium, unconfined compressive strengths (UCS). Reference plugs were cut from all samples. The sandstone samples were...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0013
... & disposal drilling fluid property core analysis well logging fluid loss control fluid dynamics porosity plug overbalance drilling fluid formulation geopilot well melke reservoir spwla-2021-0013 reservoir drilling fluids and materials upstream oil & gas overbalanced drilling correction...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0097
... annual logging symposium oil saturation contamination drilling operation fluid dynamics sorw dean-stark plug fasila SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0097 DETERMINATION OF RESIDUAL OIL SATURATION IN A WATER AND GAS FLOODED GIANT OIL RESERVOIR USING...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5042
... plug saturation june 24 well logging drilling operation water saturation void space hydrocarbon core sample upstream oil & gas laboratory spwla 61 von gonten laboratory water production SPWLA 61st Annual Logging Symposium, June 24 to July 29, 2020 1 WATER SATURATION...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5022
...-porosity and free-porosity using the NMR logs was performed. Calibrating appropriate T2-cutoffs by matching core MICP to NMR logs in these heterogeneous rocks is seriously hampered by the large difference in sample size. Applying both MICP and NMR measurements to a subset of core plugs helped resolving...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5048
... simultaneously injecting hydrocarbon gas from both sides of the plug to saturate the void space. The hydrogen signal of the injected gas was measured using NMR T1T2 scans during the buildup/saturation and the drawdown/desorption processes. The injection source allowed pressure to be regulated from 100 psi...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5103
.... We have designed an experimental setup to carry out steady state liquid permeability measurements on shale plugs at reservoir conditions of overburden stress, pore pressure and temperature using liquid hydrocarbon fluids and brines, while monitoring their relative saturations in a high-field 3D...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-OOOO
... machine learning Upstream Oil & Gas concentration mineral fraction log well logging quantification spwla 60 neutron-induced spectroscopy mineral laboratory Symposium spectroscopy log analysis Herron accuracy mineral fraction plug mineral concentration Artificial...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-GGGGG
... were completed on all standards at various scales (blocks, slabs, central core, and plugs) with the latest technologies, procedures, and measuring instruments connected to the International Measurement System. Uncertainties were evaluated in all steps of the process. In addition, specific upscaling...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-F
... scan voxel. For upscaling purposes, we established a quadratic correlation between the grey values in a CT scan and the porosities measured on core plugs. This correlation allowed us to generate a synthetic porosity log of millimeter resolution. After that, the length scale was increased by moving...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-DD
... from the decrease of system gas pressure. In order to validate the proposed pressure-decay technique, experiments were conducted on the following intact rock samples: a set of different types of rocks including a Marcellus shale plug, a set of Eagle Ford shale plugs, and a Marcellus shale plug...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-M
... fluids. It also compares the cleaning efficiency between plug and powdered samples. Different apparatus like high-pressure extractor (HPE) apparatus and Soxhlet are also compared. Different measurements like Source Rock Analysis (S1 and S2 values); Gas Chromatography-Mass Spectrometry (GC-MS) extraction...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-AAA
.... The results showed that both the complex compounds and nanoparticles were able to reduce the transverse relaxation time of oil from longer than 2 s to less than 20 ms. To demonstrate their applicability in porous media, we injected doped oil into gas-saturated Berea sandstone and limestone core plugs...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-ZZ
... measurements on whole core and plugs, as well as analysis of formation test data, analysis of production and well tests data, acoustic and Stoneley Wave data analysis. In addition, obtaining permeability from NMR T1 or T2 has proven to be a cost effective method that can provide continuous permeability along...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-PP
... OM pore Symposium relaxation time pore size porosity shale formation CBW IP pore pore plug regularization short burst permeability SPWLA 57 th Annual Logging Symposium, June 25-29, 2016 1 USING NMR TO CHARACTERIZE FLUIDS IN TIGHT ROCK UNCONVENTIONAL AND SHALE FORMATIONS Boqin Sun...

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