Zasady i podstawy projektowania zabiegów stymulacji otworów wiertniczych z zastosowaniem paliw stałych

• Autorzy: Frodyma A.

Warianty tytułu

EN

Theoretical and computational grounds for borehole stimulation jobs with use of propellants

• Języki publikacji: PL

Abstrakty

PL

W artykule przedstawiono model szczelinowania ciśnieniem gazów prochowych, obejmujący narastanie ciśnienia na skutek spalania paliwa stałego, któremu towarzyszy tworzenie gazu ze spalania, zwiększanie ciśnienia w otworze na skutek rozprężania się pęcherza nagazowanego płynu otworowego oraz szczelinowanie skały, po którym następuje propagacja utworzonych szczelin. Szczelinowanie dynamiczne jest tutaj włączone do konwencjonalnego modelu szczelinowania hydraulicznego jako natychmiastowe tworzenie i propagacja szczeliny po przełamaniu otworu na odległość rzędu 1-2 metrów od ściany otworu. Omówiono również cele wykonywania takiego zabiegu, skierowane na szczelinowanie wstępne oraz stymulację produktywności lub chłonności otworu.

EN

The paper presents a model of well fracturing with propellant combustion gas pressure, including stages of pressure rise resulting from propellant combustion accompanied by combustion gas generating, pressurization of the well and in effect of gasified bubble of well fluid expansion and rock fracturing, followed by propagation of such created fractures. The dynamic stage of fracturing is embedded here into conventional understanding of the hydraulic fracturing model as instantaneous creation and propagation of fracture, reaching a distance of over one meter from the wall of the well. The possible aims of such job completion, targeting initial fracturing, as well as productivity or injectivity stimulation, have also been discussed.

Słowa kluczowe

PL

gaz prochowy; model szczelinowania; Narastanie ciśnienia; siatka szczelin; spalanie paliwa prochowego; szczelinowanie

EN

combustion; fracturing; pressure growing

• Wydawca: Instytut Nafty i Gazu - Państwowy Instytut Badawczy
• Czasopismo: Nafta-Gaz
• Rocznik: 2012
• Tom: R. 68, nr 9
• Strony: 590--601
• Opis fizyczny: Bibliogr. 28 poz.,Rys., tab.,

Twórcy

autor

Frodyma A.

• Zakład Techniki Strzelniczej INiG Kraków

Bibliografia

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