Polymer-gel, as a rheological complex fluid, is vulnerable to slip at solid walls. If wall slip occurs, the accuracy of viscosity measurements that are based on the no-slip boundary condition assumption is affected. This paper presents a general numerical procedure based on Tikhonov regularization for correcting Couette viscometry data in the presence of wall slip. This procedure needs only two-measurement viscosity data from two different annular gap sizes. Using the presented procedure, we determined the viscosity and wall slip behavior of a special polymer-gel used for leakage control. The results show that, the polymer-gel ZND-2 does not always exhibit significant wall slip, until the polymer content reaches a critical level of 0.3–0.5% by mass. An empirical correlation was proposed in power law form to describe the relationship between wall slip velocity and wall shear stress. It indicates that there is a minimum wall shear stress that needs to be overcome for a given polymer-gel sample manifesting wall slip phenomenon. The critical minimum wall shear stress and the gel structure strength increase drastically when the polymer content increases beyond a certain value, which is 1.0% by mass for ZND-2. When wall slip occurs, the difference is remarkable between the slip-corrected and apparent rheological parameters for different annular gap sizes. The slip-corrected rheological properties indicate that the polymer-gel ZND-2 used for leakage control behaves as a yield plastic fluid and has good shear thinning capability.
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March 2018
Research-Article
Determination of Viscosity and Wall Slip Behavior of a Polymer-Gel Used for Leakage Control From Couette Viscometry Data
Gui Wang,
Gui Wang
State Key Laboratory of Oil and Gas
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: wanggui@126.com
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: wanggui@126.com
Search for other works by this author on:
Hui Du,
Hui Du
State Key Laboratory of Oil and Gas
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: DUHUI_SWPU@163.com
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: DUHUI_SWPU@163.com
Search for other works by this author on:
Boyun Guo
Boyun Guo
Department of Petroleum Engineering,
University of Louisiana at Lafayette,
Lafayette, LA 70504
e-mail: guo.boyun@gmail.com
University of Louisiana at Lafayette,
Lafayette, LA 70504
e-mail: guo.boyun@gmail.com
Search for other works by this author on:
Gui Wang
State Key Laboratory of Oil and Gas
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: wanggui@126.com
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: wanggui@126.com
Hui Du
State Key Laboratory of Oil and Gas
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: DUHUI_SWPU@163.com
Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: DUHUI_SWPU@163.com
Boyun Guo
Department of Petroleum Engineering,
University of Louisiana at Lafayette,
Lafayette, LA 70504
e-mail: guo.boyun@gmail.com
University of Louisiana at Lafayette,
Lafayette, LA 70504
e-mail: guo.boyun@gmail.com
Contributed by the Petroleum Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received July 17, 2017; final manuscript received October 24, 2017; published online November 30, 2017. Assoc. Editor: Reza Sheikhi.
J. Energy Resour. Technol. Mar 2018, 140(3): 032910 (6 pages)
Published Online: November 30, 2017
Article history
Received:
July 17, 2017
Revised:
October 24, 2017
Citation
Wang, G., Du, H., and Guo, B. (November 30, 2017). "Determination of Viscosity and Wall Slip Behavior of a Polymer-Gel Used for Leakage Control From Couette Viscometry Data." ASME. J. Energy Resour. Technol. March 2018; 140(3): 032910. https://doi.org/10.1115/1.4038384
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