PPT Design on 3D models Landysh Minligalieva Reservoir Engineer Sofoil LLC

Objectives Determining the optimal research time and injection volume Determining the sensitivity of the input parameters ? ?

Oilfield Overview OBS 2 OBS 1 W 1 W 2 343 mD 20 mD

PPT survey area Upper formation Lower formation OBS 1 GEN OBS 1 GEN

PPT Design Algorithm PPT design Geological model SCAL PVT model Production data History matching

3D-model Average permeability (mD) 20 Average oil saturation 0.5 Average porosity (%) Size 50 m x 50 m x 3 ft Block dimensions 47 x 59 x 108

Pressure pulsation

The simulation results Generator 120 240 360 480 600 720 840 960 1080 hrs Receiver (OBS -2) 120 240 360 480 600 720 840 960 1080 hrs

The simulation results Generator 120 240 360 480 600 720 840 960 1080 hrs Receiver (OBS -1) 120 240 360 480 600 720 840 960 1080 hrs

Sensitivity analysis Model№ Period, days (inj/shut-in) Rate, bpd Amplitude on receiver (OBS 1), psi (OBS 2), psi 1 (3/3) 1500 1.1 2 (5/5) 2.1 4.3 3 (7/7) 6.7 4 (9/9) 5.8 9.5 5 2500 7.4 12.2 6 8.9 15.7 7 10.1 18.4 8 13.2 20.1 № Period, days (inj/shut-in) Rate, bpd Amplitude on receiver (OBS 1), psi (OBS 2), psi 6 (5/5) 2500 8.9 15.7

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