... of tar zones, huge layers of salt, the need to underream the well, difficult to do an efficient evaluation program etc. On the completion side, the challenges can be even more demanding, with the need to complete multiple zones while trying to minimize future expensive workover operations. This paper...

... of drilling practices. This paper will document the theory on the origin of the tar deposits, steps taken to deal with the tar and experience with the tar. Upstream Oil & Gas log analysis subsalt tar drilling operation well logging john shaughnessy tar zone tar liner tar interval spar rig...

... in Waterflood, 2,500-ft Tar Zone Reservoir, Fault Block II Unit, Wilmington Field, California ," paper SPE 26615 presented at the SPE Annual Technical Conference and Exhibition , Houston, Texas , 3-6 Oct ., 1993 . Keith , D. C. , Harrison , W. J. , Wendlandt , R. F. , and Daniels , E. J...

... Abstract This paper presents aspects of formation stress sensitivity influencing the successful simulation of the Tar Zone in Fault Block IIA of the Wilmington Oil Field in Los Angeles County, CA, USA. The Tar Zone is a slope and basin clastic type reservoir. The significant compaction...

... enhanced recovery incremental oil initiatedin SAGD thermal method Upstream Oil & Gas Avg Wilmington Field thetownlotarea oil rate Steam Stimulation Steam Operation parcel stimulation steam-assisted gravity drainage steamingoperation cp oil viscosity tar zone Ranger...