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An operator was experiencing recurrent high paraffin content, water cut, and sand production in a field onshore India. After initial production, water cut gradually increased and there was frequent choking of the subsurface pump due to sand and paraffin deposition inside the pump.

There was also frequent filling of sand in the strainer and wellhead tanks. In some wells, the sucker rods often stuck due to debris, requiring frequent servicing.

The operator had tried a competitor’s sand-control product in two of the wells. And although the wells had produced sand free for the last few years, production had dropped as much as 50%. Further, it was determined that the product was not suitable for wells with high clay content.

Looking to remediate the problem economically, the operator approached Baker Hughes, a GE Company (BHGE) for a proven solution.

BHGE recommended its San Stop Aqua (SSA) treatment, a much more economical sand control method than some of the more popular sand exclusion techniques such as gravel packing.

Download the PDF to read the full case study.

Challenges & Results
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Challenges

  • Heavy sand flowback
  • Intervals as large as 17.5 m (57 ft)
  • Routine downtime due to sand flowback, pump failure

Results

  • Successfully completed four jobs with no problems during execution
  • Increased production 150% on first well