Bonding Mechanism of Zonal Isolation Materials to Clean and Rusted Casing
نویسندگان
چکیده
Summary In oil and gas geothermal well construction, a cementitious material is pumped in the wellbore to provide zonal isolation support casing during life cycle of well. Thus, barrier materials must be durable terms chemical mechanical properties have compatibility with pipe. The complex region casing-cement interface considered key parameter fulfill long-term isolation. This chemically stable impermeable block unwanted formation fluid communication. Shortcomings conventional Portland cement under operational conditions increasing sensitivity its carbon footprint are motivations for green alternative. Bond strength sealability steel surface been measured previously. But few research works cover characterization morphological analysis connected surface. study provides full picture selected alternative shear bond strength, hydraulic sealability, morphology materials. Materials include API Class G cement, an industrial expansive noncement-based pozzolanic material, geopolymer, thermosetting resin. Also, clean rusted steels were as representative pipe field. samples prepared elevated pressure temperature. results proved that higher not indication good ingredients used mix slurries critical role structure interfacial zone between material.
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ژورنال
عنوان ژورنال: Spe Journal
سال: 2022
ISSN: ['1930-0220', '1086-055X']
DOI: https://doi.org/10.2118/209812-pa