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Keywords: hydrocarbon
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Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0006
... hydrocarbon schlumberger dfa measurement university Abstract Tar mat and asphaltene are present in many reservoirs around the world. The mechanism of origin of these deposits can vary from one reservoir to another. The processes involved in asphaltene enrichment is governed by many factors...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0009
... similarity equation of state information rd annual logging symposium porosity fluid property hydrocarbon well logging machine learning upstream oil & gas prediction identification algorithm transaction artificial intelligence spwla-2022-0009 composition spwla 63 reservoir fluid density...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0010
... making such as reservoir navigation, formation testing, and completion planning. As of today, mud gas data is used for the identification of fluid contacts and to characterize the hydrocarbon content of geological formations. An offline interpretation has been developed and presented in 2016 by Ritzmann...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0083
... reservoir characterization core analysis well logging upstream oil & gas complex reservoir spwla-2022-0083 drilling operation quantification log analysis hf nmr determination particle mesh size preparation spwla 63 hydrocarbon water loss pvt measurement experiment fraction...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0103
... mineralogy with varying clay type and content, and varying Archie s cementation parameter (Johansen et al., 2018). We illustrate an interpretation for water saturation and hydrocarbon hydrogen index (HI) through the logged interval, supported by the new machine-learning-driven SIGE_NN and TNGE_NN. The first...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0027
... exploration requires the evaluation of operation, real-time downhole fluid analysis was used to hydrocarbon presence, estimation of volumes in place, determine the fluid composition, density, viscosity, and flow potential. To this capacity, formation testers are compressibility, and saturation pressure...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0004
... 62nd Annual Logging Symposium held online from May 17-20, 2021. basin studied and the petroleum system in place. The ABSTRACT petrophysical reservoir properties such as hydrocarbons in-place, mobility of the oils, porosity, permeability, Formation evaluation challenges in highly fractured, fracture...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0094
... Abstract It is well known that the NMR relaxation time T2 is proportional to the molecular mobility of water or hydrocarbons in rocks. In unconventional tight rocks, water and hydrocarbons are trapped in small pores of nanometer sizes, and their molecular mobility is severely restricted...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0078
... imbibition, current free water level, and pseudo fluid contacts within the field translate into uncertainty in the hydrocarbon volume estimation. Initial, triple-combo-based petrophysical evaluations have already been updated using advanced log measurements, as reported in an earlier publication...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5028
... assessment from wireline logs and PVT samples. Finally, correlations between bulk hydrocarbon volume and permeability are used to estimate volumetrics. Case studies presented show that the calibrated mudlogs can be used for quantitative assessment of bulk volume of hydrocarbons in high-angle/horizontal...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5042
...ABSTRACT ABSTRACT Understanding the volumetric concentrations of hydrocarbon and water in a producing reservoir is a critical component of predicting well performance, designing well placement and field development planning. Core testing procedures and petrophysical models in unconventional...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5092
... and after bitumen extraction to determine bitumen content and maturity (measured as Tmax). We find that at a critical Tmax for this Type-IIS kerogen (S/C>0.04), the rate of bitumen and light hydrocarbon generation increases sharply. SEM studies show that the chalk contains micritic pores as well...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5044
... dispersion measurement estimates of resource in place hydrocarbon resource in place estimate new method water saturation conductivity interpretation dielectric dispersion log ABSTRACT ABSTRACT Tight oil reservoirs present a unique opportunity for dielectric dispersion logging. Dielectric...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5084
... complex reservoir spwla 61st reservoir characterization structural geology water saturation log analysis upstream oil & gas endpoint july 29 symposium workflow hydrocarbon norway estimation well logging carbonate reservoir free water level alta field integration archie...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5055
...ABSTRACT ABSTRACT Low-permeability formation evaluation in wells drilled with water-based mud (WBM) is a common occurrence in the North Slope of Alaska. This case study describes how downhole fluid segregation was recently used to collect high-quality hydrocarbon samples with a wireline...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5046
... media can provide both tortuosity and pore-size information. In this study, we focus on a series of low permeability organic-rich chalks with connate water present. The core samples are pressure-saturated with two hydrocarbons, high-pressure methane (C1) and decane (C10). NMR measurements are conducted...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5103
... and oil. 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 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5006
... The log derived total water saturation (Swt) is lower than a surface (laboratory) measurement of total water saturation remaining in the core, Core_Swt. Hydrocarbon fluids leak as the core is brought to the surface. Previous interpreters have noted this fact and either used preserved core...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-Q
... wells in tight oil shale plays is to determine the reservoir quality, and use this information to choose the optimum lateral landing point. The reservoir quality (RQ) of tight oil reservoirs is characterized by several quantities such as hydrocarbon storage and its ease of production, porosity, total...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-K
... ABSTRACT Laboratory NMR core-analysis integrated with downhole NMR logging has proven to contribute significantly to formation evaluation. In this paper, we integrate laboratory NMR measurements with NMR logging to estimate the hydrocarbon composition in an organic-rich chalk prospect. We also...

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