How can I get a visit visa for Qatar from dubai

We would like to inform you that if you reside in UAE and want to travel to Qatar through Oman, then you have to get visa. But if you got visit visa to Oman then you may not be able to get visa to Qatar from Oman. So it is better to get the visa from UAE by reviewing the embassy and apply to get visa and attach the below:
1- Valid passport at least for 6 months.
2- Valid residence at least 3 months
3- NOC from the sponsor.
4- Your job shall be allowed to travel.