Over the course of 14 days, 26 runs were made covering an impressive 146,608 ft. (44,686 m) with zero misruns and no lost time. Prior to the multi-stage operation, a run was made with three 6-ft guns. Due to a dogleg of 17.85°/100 ft. alert from WellSim, the first two runs were made with three and four 6-ft guns respectively, and the subsequent 24 runs were made with six 6-ft guns to minimize stage tractoring. The swift and nimble nature of the technology made it easy to overcome the logistical challenges and provided several HSE benefits to the operation, due to the low footprint, the reduced personnel requirements and less heavy lifting.
Welltec was able to successfully complete the operation on this well in 26 successful runs with no downtime or misruns. As the well was already over the allocated Authority for Expenditure, the operator needed to get it on production swiftly without risking an expensive fishing job and consequent time and expense additions. The plug and perforation operation took 14 days, saving around one month compared to conventional rig workover.
TOTAL DEPTH: 21,750 FT. (6,629 M)
MAX. DEVIATION: 90°
MAX. DOGLEG: 17.85°/100 FT.
BOTTOM HOLE TEMP: 280°F (138°C)
BOTTOM HOLE PRESSURE: 7,514 PSI (51.8 MPA)
WELL HEAD PRESSURE: 2,200 PSI (15.2 MPA)
TOTAL DISTANCE TRACTORED: 146,608 FT.