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Direct Imaging and Subsequent Modeling of the Cement Microstructure and Integrity of Cement/Casing and Cement/Formation Interfaces
DownloadFall 2020
As a key component of the wellbore barrier system, cement provides zonal isolation and structural support during the entire life of a well. However, even when the cement is properly placed in the well, the zonal isolation may be lost over time. Failure to establish and maintain an effective...
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Skull Anatomy and Evolution in Scolecophidian Snakes (Squamata: Ophidia), with an Emphasis on the Role of Heterochrony
DownloadFall 2021
Scolecophidians (‘blindsnakes’) form an assemblage of miniaturized and fossorial snakes, comprising three main lineages: Anomalepididae, Leptotyphlopidae, and Typhlopoidea. Scolecophidians have long been viewed as diverging basally among snakes, constituting the modern vestige of an ancestrally...