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Keywords: apparent viscosity
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Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 18–21, 1992
Paper Number: SPE-24340-MS
... breaker are shown in Figs. 2-4. Figs. 2-4 are graphs of apparent viscosity at a shear rate of 100 sec· l versus time. Each graph contains three curves for the r~sults from ~e flow loop pipe viscometer the Fann Model 50 v!scometer With an EXT B2 bob and the Fann Model 50 VIscometer with an EXT B5 bob (0...
Proceedings Papers

Paper presented at the SPE/DOE Low Permeability Gas Reservoirs Symposium, May 19–22, 1985
Paper Number: SPE-13905-MS
... of the fluid, and by introducing the concept that the resistance to motion across the flow is different from the resistance to motion in the direction of flow. For conceptual ease, this is best described by the term "anisotropic apparent viscosity". However, one must realise that the term viscosity cannot...
Proceedings Papers

Paper presented at the SPE/DOE Low Permeability Gas Reservoirs Symposium, May 19–22, 1985
Paper Number: SPE-13907-MS
... Abstract Proppant transport is of primary importance in the design of new fracturing fluids. In the prediction of proppant settling rates, a wide variation has been found between measured proppant falling rates and those predicted using correlations based on apparent viscosity. Many fracture...
Proceedings Papers

Paper presented at the SPE/DOE Low Permeability Gas Reservoirs Symposium, May 27–29, 1981
Paper Number: SPE-9866-MS
... suggest that in some cases equations derived from Newtonian fluids can be used if the apparent viscosity is substituted into the equation for the Newtonian viscosity. For uncross-linked fluids this is probably a good approximation. The situation may be somewhat different with cross-linked gels as pointed...
Proceedings Papers

Paper presented at the SPE/DOE Low Permeability Gas Reservoirs Symposium, May 27–29, 1981
Paper Number: SPE-9868-MS
... encountered. These profiles indicated that some of the cross-linked gel systems were extremely temperature and shear sensitive, retaining only 10 to 20 cps apparent viscosity at the fracture tip under bottom hole temperature conditions. It was also discovered that there were considerable differences...

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