Internal gravel packing procedures
Examples of internal gravel packing procedures are given below. These programmes contain specific information which may only be relevant for a particular field, and hence may require to be adapted for use in other areas.
*1 Workstring cleaning procedure
Cleaning the wellbore is often difficult and because all wellbores seem to be unique in this respect, it is difficult to programme a set procedure. Decisions have to be made at the wellsite to obtain the desired degree of cleanliness in the shortest time.
1.M/U bit and Rotavert Scraper, P . . .