EZ SqueezeTM pt2

PROBLEM ENCOUNTERED:

WHILE DRILLING AT +/- 8,969’, RETURNS WERE LOST (10.3 PPG CLS WBM). CEMENT SQUEEZE WAS ATTEMPTED BUT WELL WAS ULTIMATELY SIDETRACKED. WHILE DRILLING SIDETRACK #1, RETURNS WERE LOST AT SAME DEPTH AS PREVIOUS HOLE. CONTINUED TO DRILL BLIND FOR AN ADDITIONAL 50’ AND TURBO-CHEM WAS CALLED OUT TO THE RIG TO APPLY EZ SQUEEZE AND ESTABLISH RETURNS.

PRIOR APPLICATON:

FAILED CEMENT JOB AND SIDETRACKING OPERATION.

PRODUCT APPLICATON:

PLACE BIT AT 1,000’ OFF BOTTOM. A 100 BBL EZ SQUEEZE PILL WAS BUILT AND PUMPED. ONCE THE PILL ARRIVED AT BIT, HYDRILL WAS CLOSED. 50 BARRELS WERE BULLHEADED INTO FRACTURE AND REMAINDER LEFT BELOW DRILL PIPE. AFTER 4 HR. WAIT PRESSURE HELD 990 PSI.

RESULTS:

COMPLETED REAMING AND WASHING TO BOTTOM WITH NO PROBLEMS. TRIPPED OUT OF HOLE AND CEMENTED CASING WITHOUT FURTHER INCIDENT. THE OPERATOR WAS DELIGHTED ABOUT THE RESULTING PRESSURES (975 PSI – 1055 PSI). ONCE THE OPERATOR OPENED THE WELL AGAIN, THEY WERE ABLE TO DRILL TO TD WITH NO FURTHER LOSSES. EZ SQUEEZE WAS SUCCESSFUL.

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