| 摘要 |
<p>A method to protect sensitive equipment against impact damages is described, such as tools and instruments and the like which shall be lowered down in well pipes in a hydrocarbon-carrying formation, and it is characterised in that a layer of a protection means is put onto the equipment which is solid or partially solid when put on and also at the temperatures in an upper part of the well pipe, while it melts and become liquid and flows off the equipment at the temperatures that exist in the lower part of the well pipe where the equipment shall be applied. A protective means is described and also applications of this.</p> |
