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Keywords: sandstone
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Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0067
...SPWLA 64th Annual Logging Symposium, June 10-14, 2023 DOI: 10.30632/SPWLA-2023-0067 INVERSION-BASED THOMAS-STIEBER APPROACH TO ESTIMATE STORAGE AND FLOW PROPERTIES OF HETEROGENEOUS SHALY SANDSTONES Ali Eghbali and Carlos Torres-Verdín, The University of Texas at Austin, Elias R. Acosta, Staatsolie...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0027
... the overburden stress. As a result, dispersed clay present within the pore space exhibits porosity that is much higher than what was observed in the interbedded clay laminations. Thin section and SEM data porosity estimates indicate dispersed clay in the sandstone pore space contains roughly two times...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0048
... for the SPWLA 64th Annual Logging Symposium held in Lake Conroe, TX, USA, June 10 14, 2023. ABSTRACT The Grane Field in the central North Sea contains numerous sandstone injectites embedded in shale formations and located above the main sandstone reservoir. Because seismic measurements cannot detect 3D...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0012
... in a tight sandstone reservoir where three different models were tested: a clustering model based on machine learning, a flow zone indicator (FZI) model, and a flow unit discriminator model based on porosity, permeability, and irreducible water saturation. The results showed that the FZI model is the only...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0068
.... The results show a good match with observed pressure and flow rate. INTRODUCTION This field is one the largest producing gas field in Southeast Asia. Gas reserves were mainly found in two separate sandstone intervals in the Miocene. As development of the field continued following its discovery, it became...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0069
... deposits interbedded with thin sandstones and mudstone layers. The main source of the deposits is the East Shetland Platform tectonically uplifted during the Paleocene, which created high and low turbiditic flows into the subsiding Viking Graben (Fitzsimmons et al. 2005; Zweigel et al. 2018; Mangerud et al...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0113
... ABSTRACT The evaluation of drilling fluid damage to reservoir is an important work for reservoir protection and oil and gas exploitation. This paper discusses the damage degree of drilling fluid to tight sandstone gas reservoir. In this paper, an indoor drilling fluid reservoir damage...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0104
... pay can be accidentally bypassed due to improper petrophysical evaluation (Dutton, 2016). The setting for the use case presented here is deep, high temperature, and high pressure (HTHP) Wilcox sandstone formations of the Fandango Field, South Texas, USA. Low resistivity pay is encountered only in some...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0105
... spectra and D - T 2 spectra of eight kinds of artificial sandstones with different clay types, porosity and permeability at different temperatures by using circulating constant temperature heating system and high temperature high pressure (HTHP) NMR probe. The T 2 temperature experiment results...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0042
... of one sandstone. A correlation formula was derived and successfully used to estimate high oil viscosities where asphaltene clustering was expected. INTRODUCTION Oil and gas reservoirs are often hydraulically compartmentalized. They are subdivided into architectural compartments defined by the presence...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0026
... of plugs. Oil-based mud must be used to cut the core. The effects on porosity and permeability of halite cement can be understood with reference to pore and halite size distributions. Halite cement in sandstones occurs as intergranular pore-occluding cement and is observed most commonly in ~5p.u. layers...
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 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0120
... percussions cores and high technology microCT scans can provide an efficient input into digital rock analysis for formation evaluation. Within defined UCS ranges the quality of the data can be higher than alternative methods. Several sandstones of known properties were first microCT-scanned...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0116
...SPWLA 63rd Annual Logging Symposium, June 10 to June 15, 2022 DOI: 10.30632/SPWLA-2022-0116 QUANTIFYING THE EFFECTS OF HEAVY MINERALS ON THERMAL NEUTRON POROSITY IN PERMO-CARBONIFEROUS SANDSTONE Olusegun Akinyose, Tariq Alshaikhmubarak, Saudi Aramco, Marie Van Steene, Laurent Mosse, Schlumberger...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0008
... well logging structural geology taming reservoir characterization upstream oil & gas symmetry axis log analysis orientation sandstone reservoir plane vector projection sandstone deformation axis structural dip spwla-2021-0008 nd annual logging symposium interpretation spwla...

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