![]() Is the horizontal well being drilled to prevent water or gas coning or to intersect vertical fractures. The reason for drilling the horizontal wellbore must be defined. Indicate The Reason Of Horizontal Directional Drilling There are few if any horizontal exploratory wells therefore, offset well information is always available. Even vertical offset wells can provide valuable information for drilling a horizontal well including target depths. Items of interest are well logs, bit records, mud logs, directional data, daily reports, and any other data which might be helpful. Available data from offset wells, even vertical wells should be collected. The first step in planning a horizontal wellbore is to gather all the information possible about the well and the formation to be drilled. Horizontal Directional Drilling Planning Calculations Steps Gathering Data
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