| 摘要 |
<p>A centralizer comprises a first body portion (204), a second body portion (202), a plurality of bow springs connecting the first body portion to the second body portion, and a window (208) disposed in the first body portion. The centralizer may also have a wellbore tubular disposed longitudinally within the first body portion, the second body portion, and the plurality of bow springs, and an upset (304) disposed on the surface of the wellbore tubular and within the window. Methods using the centralizer with a wellbore tubular and the use of the centralizer with a wellbore tubular are also disclosed.</p> |
