Definitions for "Offset well"
Keywords:  drilled, wellbore, well, oil, adjoining
A well drilled near the discovery well. Also a well drilled to prevent oil and gas from draining from one tract of land to another where a well is being drilled or is already producing.
an existing wellbore close to the subject oil well that provides information for planning or operating the subject oil well
Well location adjoining another well site.