Success In Low BHT Low Chlorine Content Application

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Success In Low BHT Low Chlorine Content Application

DISSOLVABLE FRAC PLUGS FULLY DISSOLVED
IN LOW TEMPERATURE, LOW CHLORINE ION APPLICATION TUHA, NORTHWEST, CHINA

OPERATIONS

8 plugs were set.

Due to the large ID of the dissolvable frac plug, the customer was able to successfully flow back the wellbore and start production while the frac plugs were dissolving.

20 days later, fine returns confirmed that all 8 plugs were fully dissolved.

WELL PROFILE

Oil Well

MD 9,442Ft TVD 5,344Ft

2,641 Ft Hor. Interval 5-1/2” 23# Csg.

DHT 98°F

Formation Fluid CL- <500mg/l 

CHALLENGES

Low BHT

Low Chlorine Content

SOLUTIONS

Special Dissolving materials with self-heating features

Slim size single slip design shorten dissolution time

RESULTS

Plug set and ball seated with no issues

Pressure held up when fracturing Immediate flowback after frac.

Full Dissolution confirmed by fine returns in flowback 20 days later