DK2197976T3 - Støttemidler og anti-tilbageløbsadditiver fremstillet af sillimanitmineraler, fremgangsmåder til fremstilling og anvendelse - Google Patents

Støttemidler og anti-tilbageløbsadditiver fremstillet af sillimanitmineraler, fremgangsmåder til fremstilling og anvendelse Download PDF

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DK2197976T3
DK2197976T3 DK08828122.5T DK08828122T DK2197976T3 DK 2197976 T3 DK2197976 T3 DK 2197976T3 DK 08828122 T DK08828122 T DK 08828122T DK 2197976 T3 DK2197976 T3 DK 2197976T3
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support
additive
refill
proppant
sintered
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Mark Windebank
Jarrod Hart
Jean André Alary
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Imerys
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Claims (28)

1. Støttemiddel eller anti-tilbageløbsadditiv omfattende et sintret sillimanitmi-neral, hvorved støttemidlet eller anti-tilbageløbsadditivet har en bulkdensitet på fra 0,5 g/cm3 til 2,5 g/cm3.
2. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, hvorved sillimanitmi-neralet er andalusit.
3. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, hvorved støttemidlet eller anti-tilbageløbsadditivet omfatter stangformede partikler.
4. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 3, hvorved størstedelen af partiklerne er stangformede.
5. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 3, hvorved støttemidlet eller anti-tilbageløbsadditivet har et gennemsnitligt længde-til-bredde-forhold på 1,5:1 til 20:1.
6. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 5, hvorved støttemidlet eller anti-tilbageløbsadditivet har et gennemsnitligt længde-til-bredde-forhold på 1,5:1 til 4:1.
7. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 4, hvorved støttemidlet eller anti-tilbageløbsadditivet har et cirkulært tværsnit.
8. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 7, hvorved det cirkulære tværsnit har en gennemsnitlig diameter på fra 0,5 mm til 2 mm.
9. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, hvorved støttemidlet eller anti-tilbageløbsadditivet har en tilsyneladende specifik tyngde på 2,0 til 4,2.
10. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, hvorved støttemidlet eller anti-tilbageløbsadditivet har en bulkdensitet på fra 1,2 g/cm3 til 1,9 g/cm3.
11. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, hvorved støttemidlet eller anti-tilbageløbsadditivet har partikler, og hvorved størstedelen af partiklerne er kugleformede.
12. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 11, hvorved partiklerne har en gennemsnitlig diameter på fra 0,25 mm til 1,7 mm.
13. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, og som yderligere omfatter en sammensætning udvalgt fra gruppen bestående af sintret bauxit, sintret kaolin, sintret meta-kaolin, sintret rent eller teknisk gradueret alumina, sintret alu-minaindeholdende slagge og sintret zirkoniumdioxid.
14. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, hvorved støttemidlet eller anti-tilbageløbsadditivet omfatter stangformede partikler og kugleformede partikler.
15. Støttemiddel eller anti-tilbageløbsadditiv ifølge krav 1, hvorved støttemidlet eller anti-tilbageløbsadditivet har en knusestyrke på mindst 250 MPa.
16. Fremgangsmåde til fremstilling af et støttemiddel eller anti-tilbageløbsadditiv omfattende sintring af i det mindste et sillimanitmineral til dannelse af et støttemiddel eller anti-tilbageløbsadditiv, hvorved støttemidlet eller anti-tilbageløbsadditivet har en bulkdensitet på fra 0,5 g/cm3 til 2,5 g/cm3.
17. Fremgangsmåde ifølge krav 16, hvorved i det mindste et sillimanitmineral er andalusit.
18. Fremgangsmåde ifølge krav 16, og som yderligere omfatter ekstrudering af det i det mindste ene sillimanitmineral til dannelse af en stang.
19. Fremgangsmåde ifølge krav 16, og som yderligere omfatter formning af det i det mindste ene sillimanitmineral til dannelse af en stang.
20. Fremgangsmåde ifølge krav 19, hvorved formningen udvælges fra gruppen bestående af pressestøbning, injektionsstøbning og stansning.
21. Fremgangsmåde ifølge krav 16, og som yderligere omfatter granulering af det i det mindste ene sillimanitmineral til dannelse af en stang.
22. Fremgangsmåde ifølge krav 16, og som yderligere omfatter formaling af det i det mindste ene sillimanitmineral før sintringen.
23. Fremgangsmåde ifølge krav 22, hvorved formalingen resulterer i et materiale, som har en d50 mindre end 10 pm (mikron).
24. Fremgangsmåde ifølge krav 23, hvorved formalingsresultaterne i et materiale har en d50 mindre end 1,5 pm (mikron).
25. Fremgangsmåde ifølge krav 22, hvorved formalingsresultaterne i et materiale har 95 vægt% af dets partikler mindre end 30 pm (mikron).
26. Fremgangsmåde ifølge krav 16, og som yderligere omfatter formning af sil-limanitmineralet til i det mindste en kugleformet partikel.
27. Fremgangsmåde ifølge krav 16, hvorved det sintrede sillimanitmineral har en tilsyneladende specifik tyngde på 2,0 til 4,2.
28. Fremgangsmåde ifølge krav 16, hvorved støttemidlet eller anti-tilbage-løbsadditivet har en knusestyrke på mindst 250 MPa.
DK08828122.5T 2007-08-28 2008-08-12 Støttemidler og anti-tilbageløbsadditiver fremstillet af sillimanitmineraler, fremgangsmåder til fremstilling og anvendelse DK2197976T3 (da)

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US11/846,261 US7737091B2 (en) 2007-08-28 2007-08-28 Proppants and anti-flowback additives made from sillimanite minerals, methods of manufacture, and methods of use
PCT/IB2008/003074 WO2009027841A2 (en) 2007-08-28 2008-08-12 Proppants and anti-flowback additives made from sillimanite minerals, methods of manufacture, and methods of use

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US (2) US7737091B2 (da)
EP (1) EP2197976B1 (da)
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PL (1) PL2197976T3 (da)
RU (1) RU2448142C2 (da)
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US9976070B2 (en) 2010-07-19 2018-05-22 Baker Hughes, A Ge Company, Llc Method of using shaped compressed pellets in well treatment operations
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