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Acid placement and coverage: Difference between revisions
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The design and implementation of diverting systems has been advanced by recent design techniques but still relies on guidelines and field experience. Hill and Rossen<ref name="r11" /> have provided a better means to compare diverting methods and design diverting treatments. Gdanski and Behenna<ref name="r6" /> have provided some appropriate guidelines for foamed acids or foamed-diverter stages. | The design and implementation of diverting systems has been advanced by recent design techniques but still relies on guidelines and field experience. Hill and Rossen<ref name="r11" /> have provided a better means to compare diverting methods and design diverting treatments. Gdanski and Behenna<ref name="r6" /> have provided some appropriate guidelines for foamed acids or foamed-diverter stages. | ||
Hill and Rossen compared the techniques of | Hill and Rossen compared the techniques of: | ||
*Injection rate diversion, coined MAPDIR<ref name="r12" /> (maximum pressure differential and injection rates) | |||
*Particulate diverting agents | *Particulate diverting agents | ||
*Viscosified fluids | *Viscosified fluids | ||
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<ref name="r11" >Hill, A.D. and Rossen, W.R. 1994. Fluid Placement and Diversion in Matrix Acidizing. Presented at the University of Tulsa Centennial Petroleum Engineering Symposium, Tulsa, Oklahoma, 29–31 August. SPE-27982-MS. http://dx.doi.org/10.2118/27982-MS. </ref> | <ref name="r11" >Hill, A.D. and Rossen, W.R. 1994. Fluid Placement and Diversion in Matrix Acidizing. Presented at the University of Tulsa Centennial Petroleum Engineering Symposium, Tulsa, Oklahoma, 29–31 August. SPE-27982-MS. http://dx.doi.org/10.2118/27982-MS. </ref> | ||
<ref name="r12" >Paccaloni, G. 1995. A New Effective Matrix Stimulation Diversion Technique. ''SPE Prod & Fac'' '''9''' (3): 151-156. SPE-24781-PA. http://dx.doi.org/10.2118/24781-PA. </ref> | |||
</references> | </references> | ||
==Noteworthy papers in OnePetro== | ==Noteworthy papers in OnePetro== | ||
Kalfayan, L.J. and Martin, A.N. 2009. The Art and Practice of Acid Placement and Diversion: History, Present State, and Future. Presented at the SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 4-7 October. SPE-124141-MS. http://dx.doi.org/10.2118/124141-MS. | |||
Chang, F.F., Qiu, X., and Nasr-el-Din, H.A. 2007. Chemical Diversion Techniques Used for Carbonate Matrix Acidizing: An Overview and Case Histories. Presented at the SPE International Symposium on Oilfield Chemistry, Houston, Texas, 28 Feburary-2 March. SPE-106444-MS. http://dx.doi.org/10.2118/106444-MS. | |||
MaGee, J., Buijse, M.A., and Pongratz, R. 1997. Method for Effective Fluid Diversion when Performing a Matrix Acid Stimulation in Carbonate Formations. Presented at the Middle East Oil Show, Bahrain, 15-18 March. SPE-37736-MS. http://dx.doi.org/10.2118/37736-MS. | |||
Paccaloni, G., Tambini, M., and Galoppini, M. 1988. Key Factors for Enhanced Results of Matrix Stimulation Treatments. Presented at the SPE Formation Damage Control Symposium, Bakersfield, California, 8-9 February. SPE-17154-MS. http://dx.doi.org/10.2118/17154-MS. | |||
==External links== | ==External links== | ||