Pressure response aφer TSO... Day 4 Group Exercise ¥ Select 2 suitable Frac‐candidates from the well data‐base: KW12 & KW13 ¥ Collect input required to make frac design for each well
Trang 22
η = Vfrac/Vinj
Vinj = Vfrac + Vloss
Vpad = Vloss ‐ Vfrac
Trang 3ww= 2R ΔPnet
πE
R3 = η V E’
ΔPnet
Trang 4tc
ΔP
Trang 5Fluid‐Efficiency, η : from closure Θme
Trang 9Cf
Trang 11Fracture ‘Full’
Trang 12Pressure response aφer TSO
Trang 13Day 4 Group Exercise
¥ Select 2 suitable Frac‐candidates from the well data‐base: KW12 & KW13
¥ Collect input required to make frac design for
each well
¥ Determine opΘmum treatment design including sensiΘviΘes
¥ Do we worry about tortuosity?
11/29/15
Trang 14(a) Reperforate 2934.6‐2945.3m and test
(b) Reperforate
2880.2‐2898.5 m and carry out frac job.
(c) Confirm Tbg Integrity with prior test.
(d) Future Zone B PerforaΕon across
4 1/2" TOL
TSD compleΘon. Fracs will be difficult to execute because of mech constraints.
Re‐perforaΘons and sΘmulaΘons.
(a) Re‐Perf.
‐3168.8‐3191.8 and sΘmulate with foamed acid diversion, Re‐perf 3124.3‐3158.8 and 2941.3‐2975.8 m ah,
(b) Reperforate
2970.4‐2996.4 m and carry out frac
Trang 1919
Trang 22Group Exercise Day 4 Near Wellbore Issues
Trang 24Well KW‐13
0.6 0.7
0.8 Stress gradient (psi/φ)
Trang 2525 Well KW‐12
Trang 260.6 0.7
0.8 Stress gradient (psi/φ)
Trang 2828