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USS Delta (AK-29/AR-9) was the lead ship of her class of repair ships in the United States Navy during World War II. She was originally built as the merchant ship SS Hawaiian Packer before her requisition by the U.S. Navy in 1941. Before conversion to a repair ships, Delta briefly served as a U.S. Navy cargo ship.
Offshore drilling rigs have similar elements, but are configured with a number of different drilling systems to suit drilling in the marine environment. The equipment associated with a rig is to some extent dependent on the type of rig but typically includes at least some of the items listed below.
High volume wells, for example, that are produced both up the tubing and annulus will not include a packer. Rod pumped wells are not normally run with packers because the associated gas is produced up the annulus. In general, well completions may not incorporate a packer when the annular space is used as a production conduit.
Key seating occurs when the drill string becomes off-centered in the wellbore, and the pipe collars become caught on a deviation in the wellbore. If the rig is able to move the drill string freely downhole, but every time the drill string is pulled upward it becomes stuck at the same point, then it is likely that the pipe is caught in a key seat.
The chest rig was not an issue item, soldiers would purchase a variety of different styles from civilian manufacturers such as North or Feredays. The main use of the chest rigs was as a platform for the carriage of rifle magazines. The main inspiration for these items is clearly seen in Chinese Communist chest rigs of the Vietnam war era.
The GEM 60 was a 60-inch-diameter (1,500 mm) solid motor used on the Delta IV family of launch vehicles, used with and without thrust vector control. [17] Developed for the EELV program, its first flight was on 20 November 2002, boosting the first launch of the Delta IV. [23] Delta IV Medium+ launchers were built with either two or four GEM 60 ...
The Delta 31, also called the Albin Delta, is a Swedish sailboat that was designed by Peter Norlin as a cruiser-racer and first built in 1983. [ 1 ] [ 2 ] [ 3 ] The Delta 31 was designed as a replacement for the Ballad 30 in the company's product line.
The McGuire Rig was fashioned from a 2-inch (51 mm) wide, 15-foot (4.6 m) long A7A nylon cargo tie-down strap with a quick-fit buckle on one end. This was typically cut down to an 8-foot (2.4 m) length and a 18-inch (460 mm) web loop (wrist strap) attached near the top end.
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