GLOSSARY

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The quantitative interpretation of pressure transitions is based on pressure diffusion model.

Formation pressure 

LaTeX Math Inline
body{p_i}
, skin-factor 
LaTeX Math Inline
bodyS
, transmissibility 
LaTeX Math Inline
body\sigma
 and pressure diffusivity 
LaTeX Math Inline
body\chi
 are called basic diffusion model parameters as they are essential components of all diffusion models.


Below are the major types of PTA with abbreviation and indication of well flow status during the test:

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