Production Casing Size. Does Size Matter?

Reading well data on Sonris, I've noticed that some wells have a production casing of 4&1/2 inches; and others have 5&1/2 inches. With the well depths being very close (give or take 500 feet), why the difference in casing. Anyone have an answer? Thanks in advance.

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Permalink Reply by KT on October 9, 2008 at 4:08
I heard that Chesapeake has bought all the 5 1/2 up for the next year or so. Could be why others are using smaller pipes sizes. Just a rumor.
Permalink Reply by Tom Bennett on October 10, 2008 at 14:26
Jim Krow... can you tell me why some wells are using 7" casing? ? Does this have anything to do with drilling horizontal or is there a definate reason for using 7" Thanks.

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