A variety of methods and compositions are disclosed, including, in one
embodiment, a cement composition comprising: cement; a surfactant
composition comprising: an ethoxylated alcohol ether sulfate in an amount
in the range of about 60 to about 64 parts by weight, a first alkyl or
alkene amidopropyl betaine in an amount in the range of about 30 to about
33 parts by weight, and a second alkyl or alkene amidopropyl betaine in
an amount in the range of about 1 to about 5 parts by weight; a gas; and
water.