The operation in progress was making-up 9 ½ drill collar lifting sub in a drill collar which was setting in the rotary table slips. A crewman was using a chain tong to tighten the lifting sub. The Rig Manager was inside the driller’s cabin lowering the elevator to latch on to the lifting sub. As he reached for the joystick on the control panel, the back of his right hand brushed the rotary table speed knob resulting in the knob turning. This caused the rotary table to spin in reverse with the chain tongs on the sub. The chain tong handle struck the injured person in the left torso and threw him into the Driller’s side of the drawworks, resulting in a very serious injury.
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.