In general, bigger proppant yields better permeability, but proppant size must be checked against proppant admittance criteria through the perforations and inside the fracture. Figure 17.9 shows permeability of various kinds of proppants under fracture closure stress.

"Where's your Mainespeak? Say chowder.” “Chowder,” Matthew said. “No, you're supposed to say, Chawdah.” “Speaking of—what's up with your accent?” “What's the national seashore north of Bangor and the town north of that?

“Hush! hush! Mr. Sikes,” said the Jew, trembling; “don’t speak so loud!” / “None of your mistering,” replied the ruffian; “you always mean mischief when you come that. You know my name: out with it! I shan’t disgrace it when the time comes.”

Seldom has the asphyxiatory effect of analgesia alone been clearly demonstrated, nor have the asphyxiatory effects of anesthetics alone, such as nitrous oxide, ether, and chloroform, been accurately appraised.