A Drilling Contractor in the Gulf of Mexico reports that subsequent to cementing surface casing using a jack up MODU, annular flow was reported to rig management. The integral diverter system that had been installed on the rig was placed in the “test” mode and the well was shut in to give time for the cement to set up. (The “test” mode is normally used to test the diverter system, after installation, in accordance with MMS requirements.) When pressures rose, the diverter flow line seals started leaking gas to the rig floor. Personnel evacuated the area and an attempt was made to divert the well from the remote station. Due to the configuration of the control system placed previously in the “test” mode on the rig floor, the remote would not operate the desired diverter functions. There were no injuries or environmental impacts due to this incident, however there were high potential consequences.
This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.