Organic matter-hosted pore system, Marcellus Formation (Devonian), Pennsylvania (Record no. 187573)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02580nab a2200229 4500 |
| 008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL | |
| Campo de control de longitud fija | 260224s2013 xxu ing |
| 041 ## - IDIOMA | |
| Idioma | Inglés |
| 100 1# - RESPONSABLE PERSONAL | |
| Apellido, Nombre | Milliken, Kitty L. |
| 9 (RLIN) | 13547 |
| 100 1# - RESPONSABLE PERSONAL | |
| Apellido, Nombre | Rudnicky, Mark |
| 9 (RLIN) | 52951 |
| 100 1# - RESPONSABLE PERSONAL | |
| Apellido, Nombre | Awwiller, David N. |
| 9 (RLIN) | 52952 |
| 100 1# - RESPONSABLE PERSONAL | |
| Apellido, Nombre | Zhang, Tongwei |
| 9 (RLIN) | 52953 |
| 245 00 - TITULO | |
| Título | Organic matter-hosted pore system, Marcellus Formation (Devonian), Pennsylvania |
| 260 ## - PUBLICACION, DISTRIBUCION, ETC | |
| Lugar de publicación, distribución, etc. | |
| Nombre de publicador, distribuidor, etc. | |
| Fecha de publicación, distribución, etc. | feb. 2013 |
| 270 ## - FECHA DE CARGA | |
| Fecha de carga | 21/03/2013 ; 21/03/2013 |
| 300 ## - DESCRIPCION FISICA | |
| Otra extensión | 23 p. ; 177-200 |
| 520 ## - RESUMEN, ETC | |
| Resumen | Transcripción del resumen del autor: The Marcellus Formation of Pennsylvania represents an outstanding example of an organic matter (OM)-hosted pore system; most pores detectable by field-emission scanning electron microscopy (FE-SEM) are associated with OM instead of mineral matrix. In the two wells studied here, total organic carbon (TOC) content is a stronger control on OM-hosted porosity than is thermal maturity. The two study wells span a maturity from late wet gas (vitrinite reflectance [Ro], ~1.0%) to dry gas (Ro, ~2.1%). Samples with a TOC less than 5.5 wt. % display a positive correlation between TOC and porosity, but samples with a TOC greater than 5.5 wt. % display little or no increase in porosity with a further increasing TOC. In a subset of samples (14) across a range of TOC (2.3-13.6 wt. %), the pore volume detectable by FE-SEM is a small fraction of total porosity, ranging from 2 to 32% of the helium porosity. Importantly, the FE-SEM-visible porosity in OM decreases significantly with increasing TOC, diminishing from 30% of OM volume to less than 1% of OM volume across the range of TOC. The morphology and size of OM-hosted pores also vary systematically with TOC. The interpretation of this anticorrelation between OM content and SEM-visible pores remains uncertain. Samples with the lowest OM porosity (higher TOC) may represent gas expulsion (pore collapse) that was more complete as a consequence of greater OM connectivity and framework compaction, whereas samples with higher OM porosity (lower TOC) correspond to rigid mineral frameworks that inhibited compactional expulsion of methane-filled bubbles. Alternatively, higher TOC samples may contain OM (low initial hydrogen index, relatively unreactive) that is less prone to development of FE-SEM-detectable pores. In this interpretation, OM type, controlled by sequence-stratigraphic position, is a factor in determining pore-size distribution. |
| 581 ## - ESTADO DE COLECCIÓN | |
| Estado de colección | 2 |
| 773 ## - CORRECCIÓN | |
| Partes relacionadas | |
| 942 ## - DESC. DE MATERIAL | |
| Tipo de item KOHA | Artículo de Revista |
| Biblioteca propietaria | Biblioteca actual | Fecha de adquisición | Inventario | Total de préstamos | Inventario | Fecha de carga | Tipo de item KOHA |
|---|---|---|---|---|---|---|---|
| Biblioteca Alejandro Angel Bulgheroni | Biblioteca Alejandro Angel Bulgheroni | 06/03/2026 | 200059704 | 200059704 | 06/03/2026 | Artículo de Revista |
