| 摘要 |
A centralizer having a hollow cylindrical body that includes an exterior surface. The centralizer includes a first centralizer blade protruding from the exterior surface of the hollow cylindrical body and has a first contact pad defined by a region of peak protrusion, wherein the first contact pad is positioned at a first vertical position on the body. The first centralizer blade is a ridge having a flat top. The centralizer includes a second centralizer blade protruding from the exterior surface of the hollow cylindrical body and has a second contact pad defined by a region of peak protrusion positioned at a second vertical position on the body, wherein the second vertical position does not vertically overlap with the first vertical position of the first contact pad. |
