clamp y fix yclarifyclarifying basinclastic sedimentclay augerclay base mudclay course clay gouge clay partingclay gettingclay inclusionclay rock clayeyclay slateclay veinclay yieldclaying barclean ballastclean oil dry crude oil dry oilclean y clean y out cleanse yclean y the holecleanercleaningcleaning pigcleanout bailercleanout crew cleanout gangcleanout hoist cleanout winchcleanout rig of a wellcleatcleavablecleavable rockcleavagecleavage fissurecleavage 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 field
