For a systematic MICP (mercury injection capillary pressure) experiment, we need some reservoir sandstones, that differ widely, concerning their dominant pore throat radius. This means, that we need on the one hand a sandstone that shows dominatly narrow pore throats, one that shows dominantly large pore throats and several in between.
Sandstones need to be "clean", i.e. the amount of clay or other mineral phases affecting pore system should be as low as possible.
I would like to use the classical Berea type sandstone for the "large" dominant pore throat faction, just to give you an impression.
We would be grateful for any suggestions of sandstones, with smaller and even very small pore throats for our experiment. Sandstone name, dominant (mean) pore throat radius and purchase possibilities are highly appreciated! Of course, if you directly have some samples that fit, please contact me if you would like to "sponsor" some of them :)
Thanks in advance!
I spent many years using Hopeman (Clashach) sandstone. This is a clean sandstone which I used for a great many standard experiments, There is quite a lot of literature on this sandstone.
Try www.kocurekindustries.com, though their website seems to be down now. They have a variety of sandstone and limestone plugs you can purchase. They report a porosity and permeability for each variety an the varieties span a wide range of poro/perm.
@ Charlotte: thanks 4 the contact, I will try to get him ;)
@ Russel: Thanks for the tipp - can you say anything about the mean (dominant) pore throat diameter of this sandstone, before I will perform a deeper research? Thx!
@Franciszek: Thanks also for the tipp! I do know kocurek, and I have contacted them, but unfortunately, they have not replyed yet. Sure, they do have a large range of pore/perm, but this does not necessarily need to corresponf with different dominant pore throat sizes, and - unfortunetely - this information is missing on their website.
Any further suggestions are furthermore highly appreciated. :)
You may be interested in Fontainebleau sandstone samples.
Fontainebleau sandstone is a rock found near Paris basin. It is often chosen for its quartz-pure (about 99% quartz) content by the rock physics/mechanics comunities. Its porosity ranges between 3% and 28%. For all rocks, pore throats are found to be between 1 and 20 microns (Bourbie & Zinsner, 1985).
A good article where you may find more informations on pore throats or permeability is: "Hydraulic and Acoustic Properties as a Function of Porosity in Fontainebleau Sandstone", Bourbie T. & Zinsner B., Journal of Geophysical Research (1985).
Dear Lucas, thanks for the tipp concerning the Fontainebleau Sandstone - indeed, this is a very commonly used sandstone, just as Berea or Bentheimer. I think it would be possible to get some samples including this variety of dominant pore throats somewhere. I will definately check the paper you suggested, thanks!
For Bentheimer sandstone, please contact me I can provide you information on how and where obtain material from. [email protected].
Dear Peter, thanks a lot, in fact, we have plenty of Bentheimer on our own. The more narrow dominated pore system sandstones are needed ;)
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