cleavage plane cleavagesurfacecleave ycleft crevice fissure splitcleft fault flawclinkerclinographclog v plu y up clog y upclogging chokingclogging of the bore hole environmentclose grained denseclose sand tight sandclosed anticlineclosed chain hydrocarbonclosed fault clode faultclosed fault close faultclosed fold close foldclosed in pressure shut in static pressureclosed in production shut in productionclosed in well shut in wellclosed pressure formation pressure fieldclosed structureclosed synclineclosing structural structureclosing valveclosure structural closureclosure time of a well shut in time of a wellcloud pointcloumnar fracturecmbinated string of casing combinationcoarse grainedcoarse grained fracturecoarse grained sandcoat ycoat y the pipe with a concrete coatingcoating dressingcoefficent of compression compression coefficentcoefficent of friction frictionalcoefficient of expansioncoefficient of hardnesscoefficient of pressurecoefficient of qualitycoefficient of settlingcoefficient of soilingcoffer shaped anticlinecohesive soilcold water pumpcollapse of the casingcollapsible bitcollapsing mastcollar
