API TR 10TR2

Podrobné informace

Označení: API TR 10TR2

Datum vydání: 01.07.1997

Stran: 60

Země: Americká technická norma

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Anotace

A flawless cementation of the casing strings is fundamental not only for safety reasons, but also to keep drilling and production costs at a minimum level.

A cement job has to fulfill multiple conditions, but its main function is to prevent fluid and gas flow through the annulus by ensuring an impermeable bond and exhibiting sufficient compressive and shear bond strength.

Various factors can affect the sealing, such as poor mud removal, as well as bad slurry properties and borehole conditions. It is also recognized that the volumetric changes of cement during hydration substantially contribute to these problems. Bulk and inner volumn changes produce bonding and permeability changes, respectively.

In this work, volume changes were better understood by measuring them on different slurries. Three different setups that correspond to three different testing conditions were used. See more