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Yadrin V.V.
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yadrinvv@bnipi.rosneft.ru |
“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
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Mardaganiev T.R.
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“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
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Zinatullina E.R.
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“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
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Galiev A.F.
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“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
DOI: 10.24412/2076-6785-2023-7-108-112
Abstract
The paper presents the results of studying the properties of a grouting material with a complex additive copolymer of acrylamide and diallyldimethylammonium chloride (complex reagent SAiDDH) under high pressure and temperature conditions. Studies of the complex reagent SAiDDH were carried out with cements of various types and specific densities in conditions as close as possible to reservoir ones. The results showed that the formulation with the addition of polymer components gives high results in strength and permeability of cement stone, as well as provides the effect of self-healing of cracks and water supply channels.
Materials and methods
Laboratory studies of the complex reagent SAiDDH were carried out for swelling ability, its optimal percentage in the cement mixture was determined, which ensures the greatest “self-healing” effect with minimal changes in the strength characteristics of the cement stone. The “self-healing” effect of cement stone was tested in bench tests, which showed positive results.
Keywords
cement slurry, cement stone, casing flows, quality of well fixation, swelling polymers in cement slurry, “self-healing effect”, complex reagent SAiDDH
