1. At http://www.OK.gov/OREC
you will find all the forms you need to put your agreement in writing.
2. Then follow the contract.
S1. If the buyer and you want, you can just exchange a warranty deed once the buyer wires their funds to your bank account.
S2. If the buyer wants title insurance, have them call the closest title company to your house (all title companies are the same) and open title.
S3. Once the title commitment is complete and inspections done, you both can schedule your closing.
3. Close and call it a day.
There are many ways to contract a close a home, these are some suggestions.
Hope this helps,
Josh Barnett, Realtor
Metro First Realty