Preliminary results indicate a 20% increase in gas production after a 220 ft interval in a deviated Malaysian well was treated in 20 hours.
Scale removal in a deviated well
Preliminary results indicate a 20% increase in gas production after a 220 ft interval in a deviated Malaysian well was treated in 20 hours.
Key results
- 20 hours treatment time
- 220ft. treatment interval
- 20% gas production increase
- Run on E-Line
Challenge
A major operator in Malaysia was encountering skin damage in their wells due to perforations plugged with CaCO3 scale. The customer was looking for a cost-effective alternative to remove the scale and improve production.
- Depth: 5,000ft (1,500 m)
- Temperature: 195 °F (90 °C)
- ~50 deg deviation
Solution
Improve connectivity to the reservoir clearing out blockages using electro-hydraulic pulsing technology
- The BLUESPARK® 275 tool was run on third-party E-Line to the treatment interval
- An interval of 220 ft (67 m) was treated in 20 hrs of total operating time
- A camera was run to determine the extent of any scale remaining
- The well was put back on production and monitored
Outcome
- Comparison of camera images from before and after treatment show removal of a majority of the scale present, as seen in the images above
- Preliminary results indicate an increase of gas production of 2.4 MMscf/d