It is not necessary to have your name in your wife's passport but it is must you to produce copy of marriage certificate attested by MOFA in your country, Qatar Embassay and here MOFA office in C Ring road near Muntaza. In addition, you should get NOC, Computer ID of your sponsor company plus copy of Labour contract showing you have eligible profession with salary...Thats all.. keeping your degree certificate copy and tenancy agreement is optional..