stickburners

Alright so I bought a Old Country Pecos cook on it 3 times having issues every time I close the door the fire goes out so I have to leave the door open half way and I'm getting 20 minutes before I have to put a new log the logs are about 9-10 inches in so what am I doing wrong

Brethren and Sistren; Have read, learned, and used many fire management techniques and procedures... thanks to the knowledge of the brethren. Heard stickburning described as a small, hot, and fast burning technique... useful to keep the sweet blue smoke burning true. Found it necessary to add...