![]() ![]() The technology is implemented through a hydraulics monitoring screen fed by the results of the automated analysis, which outlines the ideal operating window to enable drilling personnel to act on the information generated. ![]() The real-time analysis of routine drilling operations such as starting mud pumps optimizes the drilling process to avoid costly problems. With large volumes of data at a high degree of operational detail generated using automated operations recognition, it is possible to identify patterns in the data to allow early detection of a number of problems, including washouts, circulation losses and stuck pipe. The objective is to enable early recognition of the onset of hydraulics-related issues so that preventive action can be taken to minimize problems. One approach to facilitating real-time hydraulics monitoring provides automated analysis of fluid flow in relation to pump pressure and other relevant sensor channels to recognize variations in expected behavior using hybrid algorithms that link analytical, statistical and knowledge-based concepts. Automating the well bore hydraulics monitoring process removes human errors and inconsistencies from the data gathering and visualization processes. Issues such as equipment failure, pipe washouts, cutting accumulations, kicks, and well bore instability create significant drilling-related problems that increase nonproductive time and associated “red money.” In addition to lost time incidents, the optimum processes to clean and condition the hole in relation to hydraulics have a significant potential in avoiding “hidden” lost time, or the time spent on an operation performed off benchmark and consistency standards.Ĭonsequently, detailed monitoring of drilling hydraulics is a key element in a successful well construction process. Stuck and lost pipe situations can be encountered more frequently as a result of the complex well paths being drilled today, but these problems still must be avoided at all costs. All these circumstances make real‐time detection and verification of actual hydraulic-related problems during drilling a difficult challenge. In addition, the lack of accurate flow measurement in and out of the well on many rigs prohibits effective problem anticipation, and today’s measurement technology cannot quantify variations in downhole rheological modifications of drilling fluid properties in real time. Similar variations in pressure and flow parameters can be observed for different hydraulics-related problems. As an ever-present factor during drilling and tripping operations, hydraulics require special consideration, especially with the increase in drilling and completing highly inclined and extended-reach horizontal wells, which often results in situations where drilling hydraulic parameters are pushed to the limit. LEOBEN, AUSTRIA–Drilling hydraulics are a key parameter in the well construction process, and an array of operational problems encountered during drilling impact the fluid flow and pressure response of the circulation system. ![]()
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