Does it cost money to publish in Drilling Fluid and Completion Fluid? - (DFCF) "Drilling Fluids and Completion Fluids" (ISSN 1001-5620, CN 13-1118/TE) was first published in 1983, and is the only professional publication in the world that comprehensively reports on drilling fluids and completion fluid technologies. It is a professional journal, managed by China National Petroleum Corporation, co-sponsored by Bohai Drilling Engineering Co., Ltd. and Huabei Oilfield Branch, and undertaken by Bohai Drilling Engineering Technology Research Institute. It is now a bi-monthly magazine with 16-page format and 128 pages per issue. It is published more...