ISO 13503-1:2011 pdf free
ISO 13503-1:2011 pdf free.Petroleum and natural gas industries一Completion fluids and materials
A shear-history simulation procedure is provided to simulate the effects of shear rate and time while a fluid is being conveyed down well tubulars. This procedure is intended to characterize the effect of shear history on fluid properties as part of the concept and development phase for a new fluid.
A shear-history apparatus is used to condition the fluid at specified shear rates, times and temperatures prior to injection into a viscometer. It consists of mixing apparatus, pumping apparatus and tubing to simulate significant aspects of the surface apparatus followed by shear conditions in the well tubulars. A shear-history apparatus that satisfies the requirements can be generically classified as a tube or pipe flow device that operates in the laminar flow regime. Flow shall occur in a single-pass mode.
A schematic diagram of a shear-history simulator connected to a pressurized concentric-cylinder viscometer is shown in Figure 1. In laminar flow, the energy dissipation rate is the same in any shear-history apparatus even if different tubing sizes are used. Thus, the design and functioning of the apparatus can vary and still meet the desired preconditioning criteria.
Pressurized concentric-cylinder viscometer3), to measure the viscous and rheological properties of fluids at elevated temperatures.
Pressurization minimizes the effect of entrained air on measured parameters and allows measurements to be made at temperatures above the atmospheric boiling point of the sample. Multiple-point measurements may be suitable for determining the rheological parameters of fluids.
Any pressurized concentric-cylinder viscometer that is described by the following dimensions may be used (see Figure 3).
a) Rotor, R1:
1) inside diameter equal to 36,828 mm (1,450 in);
2) should be concentric with the bob and extend the full length of the bob;
3) surfaces need to be smooth.
b) Bob, B5:
1) diameter equal to 31,934 mm (1,257 in);
2) cylinder length equal to 76,17 mm (2,999 in);
3) surfaces need to be smooth.ISO 13503-1 pdf download.
