Výsledky vyhledávání - "W. N. Samaniego"

Scavenging Alkyl Mercaptans: Elucidation of Reaction Mechanisms and Byproduct Characterization

Autor: W. N. Samaniego, Kenneth Stuart Sorbie, Grahame Taylor, J. J. Wylde

Publikováno v: Energy & Fuels. 34:13883-13892

The removal of alkyl mercaptans via chemical means in the oil and gas industry has received very little attention compared with the much more extensive work on hydrogen sulfide (H2S) scavenging. Th...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2aade8ef16293ec5b1e44141e378d686
https://doi.org/10.1021/acs.energyfuels.0c02652

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Formation, Chemical Characterization, and Oxidative Dissolution of Amorphous Polymeric Dithiazine (apDTZ) during the Use of the H2S Scavenger Monoethanolamine-Triazine

Autor: J. J. Wylde, Grahame Taylor, Kenneth Stuart Sorbie, W. N. Samaniego

Publikováno v: Energy & Fuels. 34:9923-9931

Hexa-1,3,5-hydrotriazines form the main product class used for chemical hydrogen sulfide (H2S) scavenging. The reaction mechanism between these triazine species and H2S is discussed in detail with ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e78bb6cc4b5b4b848bb01062c7dcc4f7
https://doi.org/10.1021/acs.energyfuels.0c01402

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Synthesis and Reaction Byproduct Characterization and Mechanistic Understanding of Hemiformal Based Hydrogen Sulfide Scavengers

Autor: W. N. Samaniego, J. J. Wylde, Kenneth Stuart Sorbie, Grahame Taylor

Publikováno v: Energy & Fuels. 34:4808-4821

When hydrogen sulfide (H2S) gas is produced from oil reservoirs, it leads to a number of well-known problems relating to both metal corrosion and health and safety. Up to a certain concentration (∼...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ccd22e48306924816a4df985ff11cd49
https://doi.org/10.1021/acs.energyfuels.0c00110

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Amorphous Polymeric Dithiazine apDTZ Solid Fouling: Critical Review, Analysis and Solution of an Ongoing Challenge in Triazine-Based Hydrogen Sulphide Mitigation

Autor: Grahame Taylor, Jonathan Wylde, W. N. Samaniego, Kenneth Stuart Sorbie

Publikováno v: Day 2 Tue, December 07, 2021.

Despite attempts to inhibit or avoid the formation of fouling deposits (polymeric amorphous dithiazine or apDTZ for short) from the use of MEA triazine, this remains a major operational problem and limits the use of this most popular and ubiquitous h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cddf7cd9a4c6f0ff782f0fd350df24f2
https://doi.org/10.2118/204397-ms

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First Occurrence of a Shale Oil with Trimodal Carbon Chain Distribution and Paraffins Higher than Nonacontane C90H182: A Real Fail Test for Existing Chemistries and Methods

Autor: Amanda Miller, Amir Mahmoudkhani, W. N. Samaniego, Elizabeth Granda, Rashod Smith

Publikováno v: Day 2 Tue, April 09, 2019.

A major shale producer in North America with established oil and gas production was facing challenges with severe paraffin deposition in downhole tubing and flowlines. Since chemical recommendations based on traditional screenings failed to deliver a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77b1c298ff0889e001e80b564bf65ccf
https://doi.org/10.2118/193621-ms

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New Generation Squeezable Sulfide Inhibitor Successfully Averts Challenging Sulfide Scale Deposition in Permian Basin

Autor: Anton Kaiser, Cyril Okocha, Shane Underwood, W. N. Samaniego, Jonathan Wylde

Publikováno v: Day 1 Wed, June 20, 2018.

Sulfide scales (zinc, lead and iron sulfide) are currently causing considerable production challenges as mature fields are kept operational, and as deeper-hotter reservoirs are been developed. An effective way to combat conventional scaling is to inj

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2992ec737d8995d76e587550d4c4f01
https://doi.org/10.2118/190709-ms

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Singlet−Singlet and Triplet−Triplet Energy Transfer in Bichromophoric Peptides

Autor: L. Chen, W. N. Samaniego, W. G. Mcgimpsey, R. Carraway

Publikováno v: The Journal of Physical Chemistry A. 103:6082-6090

Intramolecular singlet−singlet (SSET) and triplet−triplet (TTET) energy transfer processes were studied in solution in two bichromophoric peptides using absorption, fluorescence, phosphorescence, laser flash photolysis, and molecular modeling/dyn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::226bfa1449d7df7ce2a38e4d6f0e4cbc
https://doi.org/10.1021/jp9901592

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Singlet−Singlet, Triplet−Triplet, and 'Optically-Controlled' Energy Transfer in Polychromophores. Preliminary Models for a Molecular Scale Shift Register

Autor: W. N. Samaniego, L. Chen, F. Wang, W. G. Mcgimpsey

Publikováno v: The Journal of Physical Chemistry A. 102:8679-8689

The photophysics of two trichromophoric molecules have been studied by a combination of absorption, fluorescence, phosphorescence, and laser flash photolysis. TRI-1 consists of phenanthrene and naphthalene terminal chromophores joined to a central bi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b7c48a7c094ff9c4978e1f2aabcf339
https://doi.org/10.1021/jp9821782

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