| 摘要 |
METHOD OF FORMING A DOWNHOLE APPARATUS A method of forming an apparatus for use downhole, the method comprising the steps of: providing a body (12) having a longitudinal axis (L); forming an expanding portion (15) on the body from multiple layers of a substantially or partially cured material around the longitudinal axis of the body, the substantially or partially cured material selected to expand on exposure to at least one predetermined fluid. |
