2022
DOI: 10.18668/ng.2022.04.02
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Ocena selektywnej redukcji właściwości filtracyjnych skał porowatych w zabiegach ograniczania produkcji wody w odwiertach

Abstract: Niekontrolowany nadmierny dopływ wód złożowych do ropnych czy gazowych odwiertów eksploatacyjnych jest często występującym i trudnym do rozwiązania problemem mogącym stanowić źródło poważnych i daleko idących negatywnych skutków technologicznych, ekonomicznych czy środowiskowych. Dotyczy on w zdecydowanej większości przypadków złóż węglowodorów w okresie ich wieloletniej eksploatacji, chociaż niejednokrotnie pojawia się również już na początkowym etapie procesu wydobycia. W publikacji przedstawiono wyniki labo… Show more

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“…The clearly higher, as compared with the rest of the sample, values of the pressure gradient of the flowing fluid are recorded in zones with low values of the filtration coefficient (Dalrymple et al, 2000). It is very important to be aware of the place of possible natural 'restrictions' for the occurrence of fluid flow for the proper interpretation of laboratory results of the assessment of modification treatments of filtration properties, in particular, in the assessment of the reach of originated changes (Majkrzak, 2022). The determination of the modification degree of filtration properties, both in individual zones and in the entire sample/ model section, was based on the value of the F RR (Residual Resistance Factor) coefficient, being the measure of their permeability reduction, which was calculated from the following relationship (Shi et al, 2010;Knobloch et al, 2018):…”
Section: Methodsmentioning
confidence: 99%
“…The clearly higher, as compared with the rest of the sample, values of the pressure gradient of the flowing fluid are recorded in zones with low values of the filtration coefficient (Dalrymple et al, 2000). It is very important to be aware of the place of possible natural 'restrictions' for the occurrence of fluid flow for the proper interpretation of laboratory results of the assessment of modification treatments of filtration properties, in particular, in the assessment of the reach of originated changes (Majkrzak, 2022). The determination of the modification degree of filtration properties, both in individual zones and in the entire sample/ model section, was based on the value of the F RR (Residual Resistance Factor) coefficient, being the measure of their permeability reduction, which was calculated from the following relationship (Shi et al, 2010;Knobloch et al, 2018):…”
Section: Methodsmentioning
confidence: 99%