A visit visa can be converted into a permanent residency permit for a close family member of an expatriate worker under special conditions (Only for close family members like spouses, children and parents of their spouses...... and for the parents (must be above age of 60)) you can file your case in Qanoon and Tadrees (legal and studies) cell at the Passport Department (Jawazat).... or for the more information & requirements you can contact them.....
Note:- such requests has to be approved by the Interior Ministry...... & without genuine reasons your request can be rejected... AND It's especially important that you must meet all of the eligibility requirements.....