Well Abandonment with wel-lok™ STC
Provide a pressure seal through production casing, sealing against open-hole formation.
When casing is run and cemented in the well a competent seal is not always created between the cement and the open-hole formation. When abandoning a well, it is important to ensure all annuli are properly sealed.
The production casing was perforated and existing cement was washed out. A wel-lok™ STC was set inside the casing and through the perforations to provide across the wellbore out to the open-hole formation.
The tool was successfully set and provided a seal against the open-hole formation, proving wel-lok™ technology could be utilized for annular isolation in open-hole applications.
The wel-lok™ STC (Seal Through Casing) has been developed to achieve a gas tight V0 seal well annuli that cannot be achieved by traditional cement balance plugs. Run on electric line, coil tubing or drill pipe, this tool does not need surface pumping equipment to circulate the alloy in place. Due to its viscosity and density, once melted the liquid alloy will flow with gravity into the annulus. When it cools below its melting point it solidifies, expands and creates a gas tight seal across the entire wellbore. The entire process, from melting to solidification, takes place in minutes and the seal is ready to test within an hour.
Dive deeper into BiSN and learn more about our performance barrier technologies.
Businesses worldwide are benefitting from BiSN's well services in the field. Contact us today and embrace tomorrow's engineered sealing solution, today.
Our website uses analytics, marketing and preference cookies to both provide the most relevant experience for our users and to give us information about how our site is used. By clicking “Accept All”, you consent to the use of these cookies.
Accept All Cookies