ISO 13503-1:2011 pdf free

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ISO 13503-1:2011 pdf free.Petroleum and natural gas industries — Completion fluids and materials — Part 1: Measurement of viscous properties of completion fluids.
For the purposes of this part of ISO 13503, completion fluids are defined as viscosified treating fluids used during the completion or workover of a petroleum- or natural-gas-producing well. The objective of this part of ISO 13503 is to provide a standard procedure for measuring the viscous properties of single-phase, non- particulate-laden completion fluids. These fluids are viscosified brines, gravel-pack carrier fluids, and fracturing fluids. These fluids can be either crosslinked or non-crosslinked (aqueous, hydrocarbon- or acid-based).
An optional shear-history simulation procedure is provided for fluids that are potentially shear-sensitive. This procedure is designed to simulate the shearing effects experienced by a fluid in surface apparatus and during the time it is being conveyed down the wellbore. Shear-history simulation is most often used during the development of new fracturing fluids to characterize their sensitivity to shear.
These standard procedures were compiled on the basis of several years of comparative testing, debate, discussion, and continued research by the industry.
This standard procedure is largely based on API RP 13M, first edition, July 2004.
In this part of ISO 13503, where practical, US Customary units (USC) are included in parentheses for convenience.
This part of ISO 13503 provides consistent methodology for determining the viscosity of completion fluids used in the petroleum and natural gas industries. For certain cases, methods are also provided to determine the rheological properties of a fluid.
3 Measurement and precision
Temperatures shall be measured to an accuracy of ±1 °C (±2 °F); pH shall be measured to an accuracy of ±0,1
units. All other quantitative measurements shall be made to an accuracy of ±2 %, unless specified otherwise.
4 Fluid preparation
Certain aspects of sample preparation and handling can affect the viscosity or rheological properties of a fluid. During all procedures, steps shall be taken to minimize entraining air into the fluid.
The procedure used to prepare the fluid sample shall be documented, including the following information:
a) description and/or composition of the base fluid; preparation of the fluid shall be described, starting with the fluid source, such as deionized water, tap water, completion brines, produced water, seawater or type of oil;
b) identification of mixing apparatus, container volume, and total volume of fluid prepared;
c) identification of each fluid component and amount added;
d) the order and method of addition of each component;
e) mixing speeds, with time at each speed;

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