OPERATIONS

5 stages frac with 20% HCL acid. Customized design of Thunder- Cloud? help client in the challenging acidic conditions. The operation went smoothly. The well flow back and put into produc- tion as planned.

WELL PROFILE

Gas well

MD 15,721 Ft TVD 9,878 Ft

4,593 Ft Hor. Interval

4-1/2” 11.6-13.5# Csg. DHT 200°F

Formation Fluid CL- 10,000mg/l CHALLENGES

Acid Fracking with 20% HCL

SOLUTIONS

Lab test for the selection of correct grade of dissolving materials in acidic conditions

Special coating to protect plugs from acid.

RESULTS

Plug set and ball seated with no issues

Held pressure while fracturing All 4 plugs fully dissolved

Drillout of 4 composite plugs in the toe section took 1-2 days. Dissovable plugs saved the cost, time, and risk of 1-2 days of drillouts