поднимать колонну без сифона(pull dry v: to remove the drill stem from the hole without keeping the stem full of mud. (Dictionary for the Petroleum Industry) masizonenko)
поднимать колонну с сифоном(pull wet v: to remove the drill stem from the hole while keeping the stem full or nearly full of drilling mud. (Dicitonary for the Petroleum Industry) masizonenko)
подъём колонны с сифоном(в данном термине сифон (сифонное явление) — это разрежение в верхней точке колонны, создаваемое внутри колонны за счёт падения столба жидкости.: 1.The crew started pulling a wet string (mud-filled pipe) and right before the drill collars; the pipe became dry, indicating the jets were unplugged. • 2. The 2 7/8-in.-EUE, 8-round, thread drain valve should be used (in conjunction with the check valve) to eliminate pulling a wet string.Mixer)
