Oilfield Glossary
Oilfield Glossary
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line-source solution

1. n. [Well Testing]
The solution to differential equations treating the well as a vertical line through a porous medium. The solution is nearly identical to the finite-wellbore solution. At very early times, there is a notable difference in the solutions, but the differences disappear soon after a typical well is opened to flow or shut in for a buildup test, and in practice the differences are masked by wellbore storage.