Read e-book online Applied Drilling Circulation Systems: Hydraulics, PDF

By Boyun Guo PhD, Gefei Liu

ISBN-10: 0123819571

ISBN-13: 9780123819574

Used to scrub the borehole, stabilize rock, regulate pressures, or improve drilling premiums, drilling fluids and their circulate structures are utilized in all stages of a drilling operation. those platforms are hugely dynamic and intricate to version previously. Written by means of an writer with over 25 years of expertise, Applied Drilling stream platforms: Hydraulics, Calculations and Models supply clients with the required analytical/numerical types to address difficulties linked to the layout and optimization of cost effective drilling move structures.

The simply ebook which mixes process modeling, layout, and gear, Applied Drilling move structures: Hydraulics, Calculations and Models presents a transparent and rigorous exposition of conventional and non-traditional movement structures and kit by way of self contained chapters relating approach modelling functions. Theories are illustrated by way of case reviews in response to the author's genuine lifestyles experience.

The booklet is observed through an internet site which allows readers to build, validate, and run types using Newtonian fluids, Bingham Plastic fluids, energy legislation fluids, and aerated fluids rules. this mixture booklet and web site association will turn out rather helpful to drilling and creation engineers who have to plan operations together with pipe-tripping, running-in casing, and cementing.

  • In-depth insurance of either on- and offshore drilling hydraulics.
  • Methods for optimizing either on- and offshore drilling hydraulics.
  • Contains difficulties and ideas in keeping with years of experience.
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Extra resources for Applied Drilling Circulation Systems: Hydraulics, Calculations and Models

Example text

In contrast to the plastic and pseudo plastic fluids, apparent viscosity of dilatant fluids increases with increasing shear rate. Since this shear-thickening property is not desirable in drilling operations, dilatant fluids are not purposely used as drilling fluids, but sometimes pseudo plastic fluids become dilatant fluids when significant amount of starchlike additives such as CMC are added to the system. 3 Measurements of Rheological Properties Various types of instruments can be used to measure the rheological properties of fluids.

65) There is no simple correlation found to estimate the friction factor for pressure loss under turbulent flow of Power Law fluids. Therefore, the original form of the friction loss equation has to be used. 8. 6-lb/ft drill pipe.

These fluids are called Newtonian fluids. Curve b shows a linear relationship between the shear rate and the shear stress, except in the low-shear-rate region. The shear stress takes a nonzero value at zero shear rate. This nonzero shear stress is called gel strength. It means that an initial force is required to deform and mobilize the fluid. Because of the plastic behavior, this type of fluid is called plastic fluid, or Bingham plastic fluid. Plastic fluids can be obtained by adding claylike solid particles to Newtonian fluids.

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Applied Drilling Circulation Systems: Hydraulics, Calculations and Models by Boyun Guo PhD, Gefei Liu

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