Resistance Analysis and Countermeasures of Crawler in Horizontal Well Operation
This article comprehensively analyzes the traction force,cable drag resistance,instrument string friction resistance,fluid resistance,wellbore inclination resistance and other forces generated by the crawler during underground operation,and proposes five strategies to overcome or reduce the resistance encountered by the crawler during operation.By comprehensively applying the above measures,the crawler is ensured to crawl smoothly and stably,improve crawling speed and distance,save logging time and cost,and provide theoretical basis and support for the subsequent improvement and upgrading of on-site process and instruments.
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