The Digitally Transformative U-WISE Software Technology

Abstract

The digitally transformative Upstream Well Integrity Surveillance Excellence (U-WISE) software technology was built. U-WISE data driven processes provide a risk-based financial optimization model inspired by IR 4.0's big data analytics. The objective of U-WISE software technology is to continuously optimize financial resources related to the frequency of conducting well integrity surveys. The new technology balances the calculated well integrity risk with the associated financial impact for the entire integrity surveillance program. U-WISE software technology application constitute a paradigm shift in the well integrity surveillance portfolio of oilfield operators. The U-WISE software technology development was started by analyzing thousands of historical well integrity data. The big data analytics optimization schemes embedded in U-WISE software technology was initially developed based on a total of 38,104 case studies from different well and fluid types. U-WISE software technology runs artificial-intelligence based queries to collect health and defect data pertaining to integrity surveys. The data were conditioned for the analytics by recording health and defect time events. Then, the data were run through statistical schemes to obtain probability of health, defect, and overall probability of failure. The models’ product is a risk of failure percentage specific to a survey and well type, representative of all conditions. The risk of failure percentages are used to run surveillance optimization scenarios and quantify the financial impacts from such optimization. U-WISE software technology continues to perform the optimization on real-time data based on new field collected data. The overall combined optimization results from applying the U-WISE software technology are substantial annual savings. There are other tangible benefits to this optimization in availing more crude for production by reducing well shut-in time for integrity surveys. The revamped well integrity frequencies based on the IR 4.0 optimization furnished by U-WISE software technology serves as an industry benchmark for proficient and fiscally-responsible asset integrity monitoring. The reliability of wells integrity is now greatly improved with the updated procedures, technologies, and integrity standards set forth by the IR 4.0 based U-WISE software and resulting instruction manual. Wells’ production is now more efficient and sustained based on the optimized well surveillance shut-in times. Safety and integrity of the wells are now quantified and balanced via the new U-WISE software technology and kept at the required tolerable risk levels. Wells intact integrity strengthens environmental protection by reducing and eliminating undesirable well integrity events such as well downhole or surface leaks and the resulting aquifer and air contamination. Well integrity surveys were performed based on best oilfield practices. With the abundance of historical data, it became possible to prudently evaluate the well integrity risks and balance these risks with costs of conducting the surveys to achieve optimization.