دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (POI) an interval in the production tubing string where heavy paraffin hydrocarbons are deposited on the inside walls of the tubing. Below or above certain temperatures, depending on the characteristics of the paraffins, paraffin will not form.

n: any packer designed to make a seal between the tubing and the casing during production.

n: A device used to isolate the annulus and anchor or secure the bottom of the production tubing string. A range of production packer designs is available to suit the wellbore geometry and production characteristics of the reservoir fluids.

any packer that forms a seal between tubing and annulus during production.

the primary flow path from the pay to the surface.

n: the performance of one or more of a variety of remedial operations on a producing oilwell to try to increase production. Examples of workover jobs are deepening, plugging back, pulling and resetting liners, and squeeze cementing.

The process of performing major maintenance or remedial treatments on an oil or gas well. In many cases, workover implies the removal and replacement of the production tubing string after the well has been killed and a workover rig has been placed on loca

repairing a well. Usually implies opening the well and running in with a tubing string. May or may not involve killing the well and may or may not involve a conventional rig.