Acid solubility on the compressive strength of ceramic proppant

Acid solubility is usually used to indicate the  ceramic proppant  in carbonate rocks, feldspar and iron oxide content of a technical indicator, but also used to evaluate the applicability of the  Proppant  possible contact with the acid environment. Acidification of sandstone reservoirs often as a way to improve sexual stimulation --- mainly used to clean clogged pores of the reservoir matrix particulates and sediment. When comparing loose cemented sandstone reservoirs, the common measures to prevent the reservoir frac-pack sand. In the production process of the Central Standing Committee has sandstone formations particles or fines migration, these fine particles can clog the cracks in the proppant pack, the impact of oil and gas seepage. Then we should adopt acidizing degree measure. In this case, the support agent is brought into contact with the acid, acid solubility would be considered a technical indicators.

Acidification in the actual construction, the support will be filled with a large number of cracks in the particles and soil sediment formation. As these fine particles and high surface sediment ratio, so proppant with coarse particles compared, they are easier to first react with the acid. This significantly reduces the activity of the acid and the time of contact with the proppant, thereby reducing the acid solubility of the ceramic. Other hand, in tight sandstone reservoir of hydraulic fracturing in the sand (which is widely used  Ceramic proppant  case), because generally do not use acid, proppant does not contact with the acid.

Acid solubility and to predict the performance of a reliable indicator of ceramic, and, in fact, bauxite as raw material to the ceramic firing, after acid soaking, its fragmentation rate indicators have improved. Therefore, high-strength sintered bauxite ceramic with a more reliable quality, regardless of whether it is possible contact with the acid, can offer a higher price.