DEVICE AND METHOD FOR AFFECTING THE FLOW OF FLUID IN A WELLBORE
摘要
<p>An apparatus to alter the flow of a fluid (e.g., drilling fluid, mud, cement, etc.) in a wellbore for example by creating turbulence in the flowing fluid. In one embodiment the apparatus includes a plurality of blade members extending outward from an elongated member. The elongated member is attached to the exterior surface of a tubular that is then positioned in a wellbore. The apparatus passively altering the flow of a fluid in the wellbore.</p>
