Yolla Field, Offshore Tasmania, Australia \"The Yolla Field is located in TIRL1
ID: 298201 • Letter: Y
Question
Yolla Field, Offshore Tasmania, Australia "The Yolla Field is located in TIRL1 in the Bass Basin, 120 km offshore from Tasmania and 220 km SSE of Melbourne in a water depth of 80 m. The field is a large heast trending anticlinal feature which has been compartmentalized by faults. Yolla Upper EVCM 1830m")oil sand Field Characteristics Depth to reservoir top, ft ss (m ss) 5994.09 (1827.00 Depth to reservoir bottom, ft ss (m 6062.99 (1848.0) Total reservoir thickness (top to bottom), ft (m) 68.90 (21.0 OWC. ft ss (m ss) 6044.95 (1842.5) Capillary pressure at OWC, psi Pressure (oil) at datum depth, psia 2615.0 Datum depth, ft ss (m ss) 6013.78 (1833.0) Reservoir temperature Rock Characteristics Net-to-gross ratio Porosity, Permeability, mD 18.7 at reference 4500 Fluid Characteristics Oil FVF, rb/stb (Rm'ISm 1 601 (1 601) Oil viscosity (at reservoir conditions), cP 0.175 Oil density (at reservoir conditions), lbm/ft 38,4933 Reference pressure for water properties, psia Water FVF (at reference pressure), rblstb (Rm sm 1.00 (1.00) Water compressibility (at reference pressure), 10 psi 3.00 Water viscosity (at reference pressure), cP Water viscosibility, 10 psi Water density at reservoir conditions), Ibm/ft 62.6564 Well Drainage System Number of wells Well diameter (D), ft (in) 0.8 (9.625) 2591.422 (89.9) outer (drainage) radius, ft (m) Skin (Darcy) Skin (non-Darcy parameter D) Saturation Functions Imbibition Drainage 0.25 0 1.0000 6.0000 0 1.0000 6.0000 0.25 0.30 0.0003 0.7513 2.0000 0 0.9594 3.0000 0,30 0.35 0.0024 0.5477 0.7000 0 0.9177 1.4000 0.35 0.40 0.0003 0.8747 0.6100 0.40 0.0081 0.3847 0.3000 0.45 0.0013 0,8302 0.2880 0.45 0.0192 0.2577 0.1000 0.50 0.0041 0.7841 0.1480 0.50 0.0376 0.1623 0.0500 0.55 0.0102 0.7360 0.0805 0.55 0.0649 0.0939 0.60 0.1031 0.0481 -0.050 0.60 0.0221 0.6858 0.0463 0.65 0.0432 0.6330 0,0278 0.65 0.1539 0.0203 -0.100 0.70 0.2191 0.0060 -0.300 0.70 0.0778 0.5771 0.0174 0.75 0.3005 0.0008 -0.600 0.75 0.1317 0.5173 0.0112 0-4.000 0.80 0.4000 0.80 0.2121 0.4525 0.0074 0.85 0.3277 0.3807 0.0050 0.90 0.4889 0.2985 0.0035 0.95 0.7082 0.1969 0.0020 1.00 1.0000Explanation / Answer
Answer:
Change in level of volume would be the depth, which can be calculated as follows:
Depth= NBoi - (N-Np)Boi
N= original oil in place, Boi= formation volume factor for oil at original level, Np= cumulative oil produced
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