Downhole Troubles

What is Ballooning? Causes, Effects, Detection and Control
Presentation:
Ballooning and Supercharging
Types of Losses
Causes, Effects and Control of Seepage Loss
Surge and Swab in Drilling
Surge and Swab Pressure Calculation Sheet: Engineering software should be used for precise calculations. This Excel sheet can be used for quick calculations of surge and swab pressures.
Surge & Swab e-Learning: Understanding the difference, causes and measurements of surge and swab pressures while drilling a well.
Common indicators of wellbore instability
Common causes of wellbore instability
Case Studies
Shale Instability
Salt Drilling Challenges

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Downhole Troubles

Ballooning

Lost Returns

Surge and Swab

Wellbore Stability

Salt Drilling