Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated compositions

An unfoamed well cement composition, comprising:

• saltwater;
• a hydraulic cement;
• a defoaming agent;
• a styrene-butadiene latex,
• a first latex stabilizer comprising an alcohol ether sulfonate having the formula:
• R2[[—O]]—(OCH2CH2)oSO3M
• wherein R2 is an alkyl group having in the range of from about 11 carbons to about 15 carbons, o is an integer in the range of from about 15 to about 40, and M is a compatible cation;
• and a second latex stabilizer comprising an alcohol ether sulfate having the formula:
• R1[[—O]]—(OCH2CH2)nOSO3−M+
• wherein R1 is an alkyl group having in the range of from about 4 carbons to about 12 carbons, n is an integer in the range of from about 1 to about 10, and M is a compatible cation.

An unfoamed well cement composition, comprising:

• saltwater;
• a hydraulic cement;
• a defoaming agent;
• a styrene-butadiene latex;
• a first latex stabilizer comprising an alcohol ether sulfate having the formula:
• R3[[—O]]—(OCH2CH2)pOSO3M
• wherein R3 is an alkyl group having in the range of from about 10 carbons to about 16 carbons, p is an integer in the range of from about 10 to about 20, and M is a compatible cation;
• and
• a second latex stabilizer comprising an alcohol ether sulfate having the formula:
• R1[[—O]]—(OCH2CH2)nOSO3M
• wherein R1 is an alkyl group having in the range of from about 4 carbons to about 12 carbons, n is an integer in the range of from about 1 to about 10, and M is a compatible cation.

A cement composition, comprising:

• saltwater;
• a cement;
• a latex;
• a first latex stabilizer comprising a surfactant having the formula:
• R[[—O]]—(OCH2CH2)mXM
• wherein R is an alkyl group having in the range of from about 11 carbons to about 15 carbons, m is an integer in the range of from about 10 to about 40, X is SO3, and M is a compatible cation;
• and
• a second latex stabilizer comprising an alcohol ether sulfate having the formula:
• R1[[—O]]—(OCH2CH2)nOSO3M
• wherein R1 is an alkyl group having in the range of from about 8 carbons to about 12 carbons, n is an integer in the range of from about 1 to about 10, and M is a compatible cation.