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Keywords: permeability damage
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Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 13–16, 2001
Paper Number: SPE-65394-MS
... 5000 injection pump. ABSTRACT Secondary and tertiary recovery processes can lead to severe and permenant reductions in permeability because of interactions between injected fluids and the reservoir rock. Permeability damage was suspected as a factor contributing to post completion production...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, March 2–5, 1993
Paper Number: SPE-25218-MS
... Abstract The phenomenon of precipitation of the insoluble salts particularly calcium carbonate and calcium sulfate, deposited from cement filtrate into a rock pore space as a potential source of formation permeability damage, was studied. The series of flow tests were run in laboratory...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, March 2–5, 1993
Paper Number: SPE-25203-MS
... ( ref. 4 – 6 ). It is reported that low pH minimizes clay dispersion whereas high pH causes permeability reduction. Recently, it has been recognized that ion exchange is responsible in some extent of physico-chemical permeability damage ( ref. 6 ). The "water-shock" experiment from Vaidya and Fogler...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 8–10, 1989
Paper Number: SPE-18479-MS
... at low pH values. The preliminary flow tests showed a lower level of permeability damage with the new fluid as compared to the conventional KCl, CaCl 2 and NaCl brines. In this study, various aspects of the new completion fluid's implementation were systematically evaluated. The evaluation procedure...

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