C CHEMISTRY; METALLURGY
C09 DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09K MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
C09K8/00 Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
C09K8/50 Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
C09K8/516 characterised by their form or by the form of their components, e.g. encapsulated material