The phrase "to oil all surfaces" means to apply oil evenly over all the surfaces or parts of something to make it work smoothly or efficiently. Full definition
It is through fortuitous circumstance that I came to know the work of Gonçalo Ivo — deeply vibrant paintings with subtle saturated color and chunky oil surfaces — work that is charged with cultural resonances and inclusive in scope. (sites.google.com)
I was immediately drawn by several of the works» thickly applied monochromatic oil surfaces, and just as quickly disoriented by details of unprimed canvas, and carefully revealed foundations of colors. (theseenjournal.org)
Whether or not global warming is entirely or largely due to human use of carbon for fuel, the reduction of the dependence on carbon makes sense for reducing asthma in children; reducing black lung disease; reducing the production of coal ashes, residues, and effluents; reducing the impact of carbon greenhouse gasses; reducing pipeline failures; reducing coal and oil surface transport accidents; reducing pipeline - related warfare; and reducing air pollution. (pv-magazine-usa.com)