| Titre | Investigating influences on organic matter porosity and pore morphology in Duvernay Formation organic-rich mudstones |
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| Auteur | Knapp, L J; Nanjo, T; Uchida, S; Haeri-Ardakani, O ; Sanei, H |
| Source | Proceedings of the 24th Formation Evaluation Symposium of Japan; 2018 p. 1-9 |
| Image |  |
| Année | 2018 |
| Séries alt. | Ressources naturelles Canada, Contribution externe 20180350 |
| Réunion | 24th Formation Evaluation Symposium of Japan; Chiba; JP; Octobre 11-12, 2018 |
| Document | livre |
| Lang. | anglais |
| Media | en ligne; numérique |
| Formats | pdf |
| Province | Alberta |
| SNRC | 73D; 73E; 73L; 73M; 83 |
| Lat/Long OENS | -119.0000 -111.0000 56.0000 52.0000 |
| Sujets | ressources pétrolières; hydrocarbures; roches reservoirs; porosité; structure des pores; pressions interstitielles; géologie du substratum rocheux; lithologie; roches sédimentaires; mudstones; puits;
analyses au microscope électronique à balayage; macéraux; preparation d'échantillons; carbone organique; diagenèse; Formation de Duvernay ; Bassin sédimentaire de l'ouest du Canada; combustibles fossiles; sédimentologie; géochimie; Phanérozoïque;
Paléozoïque; Dévonien |
| Illustrations | cartes de localisation; cartes géolscientiques généralisées; diagrammes stratigraphiques; photomicrographies; graphique à barres; histogrammes; graphiques; graphiques |
| Programme | Les géosciences pour les nouvelles sources d'énergie Caractérisation des réservoirs de schiste |
| Diffusé | 2018 10 01 |
| Résumé | (disponible en anglais seulement)
Organic matter exerts a fundamental control on porosity and permeability in organic-rich tight hydrocarbon reservoirs. The complexities of these relationships
are not well defined however and may be influenced by a variety of factors including organic matter richness, thermal maturity, kerogen type, original kerogen structure and primary organic-hosted porosity, compositional fractionation, interaction
with mineral catalysts, compaction, and occlusion by generated products such as solid bitumen.
This abstract presents preliminary results from the first of three wells analyzed in the play fairway of the Duvernay Formation of western Canada -a
prolific source rock and rising star as an unconventional reservoir. Distinct porosity morphology groups have been observed in SEM and ongoing work has shown that organic matter porosity morphology may be influenced by organic matter composition and
degree of isolation from nearby macerals. Integration of porosity calculated from image analysis of focused ion beam scanning electron microscopy (FIB-SEM) images with results from nuclear magnetic resonance (NMR), mercury injection capillary
pressure (MICP), and helium porosimetry has demonstrated that a significant portion of the porosity is below typical SEM imaging resolution and that even methods such as He-porosimetry are challenged to access nanometer-scale pores. Variations in
sample preparation and analysis procedures can significantly alter porosity results. |
| GEOSCAN ID | 313508 |
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