tailieunhanh - Reservoir Formation Damage Episode 3 Part 5

Tham khảo tài liệu 'reservoir formation damage episode 3 part 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 582 Reservoir Formation Damage resistivity ohm-m datum locations 1-----X---- I _ 0 15 30 km Figure 17-14. Areal distribution of Aux Vases formation waters resistivities after Demir 1995 reprinted by permission of the Illinois state Geological Survey . Acid Treatment of Wells Demir 1995 simulated the treatment of the Morgan Coal no. 3 well in Energy Field Williamson County Illinois using mud-cleaning acids MCA . Table 17-5 presents the reservoir mineralogy data from a nearby well the Morgan Coal no. 2 well used by Demir 1995 for the Morgan Coal no. 3 well. Figure 17-16 by Demir 1995 describes the hypothetical zones around the well considered for simulation of the MCA treatment of the near wellbore formation. Considered for simulation were and 15 HCL-MCA solutions containing molal KCL clay stabilizer and Model Assisted Analysis and Interpretation of Laboratory Field Tests 583 ---------------------------------------------------------------- r2 1 X x 91 Xx X. Aux Vases X o Cypress ---Ị--------i--------- --------1--------X--------JT log TDS mg L Figure 17-15. Relationship between Aux Vases and Cypress formation water resistivities and TDS. The r2 is the square of the correlation coefficient after Demir 1995 reprinted by permission of the Illinois state Geological Survey . Table 17-4 Saturation Indexes SI a of Minerals that have the Potential for Formation Damage in Five Aux Vases and Five Cypress Formation Water Samples Saturation indexes Sample Formation Field Calcite Gypsum Celestite Barite Fe-sulfideb EOR-B17 Cypress Bartelso EOR-B36 Mattoon EOR-B52 Clay City EOR-B73 New Harmony EOR-B101 Dale Cons. EOR-B9 Aux Vases King EOR-B35 Mattoon EOR-B70 Carmi North .

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