Well Completion with wel-lok™ CLS
A client was attempting to pressure test a casing cement job after pumping the second stage of cement through a DV tool and found the ports on the DV tool had not properly closed. The leak off through the DV tool prevented the client from verifying the quality of the cement in the well.
After sealing the cementing ports, the ID of the DV tool had to be drilled out to drift and maintain pressure integrity to achieve a positive pressure test and resume completion of the well for production.
A wel-lok™ CLS was set inside the 7” DV tool across the cementing ports.
After setting, the CLS was milled out to casing drift ID leaving only bismuth alloy in the cementing ports to seal and the client successfully pressure tested the well to 7,000 psi before continuing on with the completion of the well. This was the first commercial field run of BiSN’s wel-lok™ technology.
The wel-lok™ CLS (Casing Leak Seal) was developed to address the shortcomings of traditional methods in sealing leaks in tubings and casings. This tool provides a V0 rated seal with higher pressure ratings than conventional casing patches with a larger through bore than traditional packoffs. If full bore access is required, it can be milled out leaving a seal only across the leaking area of the well.
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Businesses worldwide are benefitting from BiSN's well services in the field. Contact us today and embrace tomorrow's engineered sealing solution, today.
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