Normally unmanned installation Normally unmanned installation A Normally Unmanned Installation (NUI) is a type of automated offshore Oil/Gas platform designed to be primarily operated remotely, without the constant presence of personnel. These generally were characterized by their small size, often consisting of just a well bay with a helipad on top. They are often a compromise of providing the convenience of surface wellheads, which are easier to build and maintain, while avoiding the high operating costs of a full production platform. They are generally only used in shallower water, where constructing many small NUIs is a relatively easy and cheap option as compared
Backhoe backhoe loader proceeded in parallel in the US and the UK. The invention of the first backhoe swing frame was developed in July 1947 by Vaino J. Holopainen (pronounced "Waino") and Roy E. Handy, Jr. (thus the company name "Wain-Roy"), and assigned to Wain-Roy Corporation of Hubbardston, Massachusetts, United States. In July 1948, patent # 2,698,697 was filed by Vaino J. Holopainen. The swing frame breakthrough allowed the hydraulic digging arm to swing to the side to dump the bucket. This patent also included the invention of the out-rigger bar, and high flow control. In April 1948 Wain-Roy Corporation sold