The upper completion refers to all components from the bottom of the production tubing upwards. Proper design of this completion string is essential to ensure the well can flow properly given the reservoir conditions and to permit any operations as are deemed necessary for enhancing production and safety.
Variously known as the Fourth of July and Independence Day, July 4th has been a federal holiday in the United States since 1941, but the tradition of Independence Day celebrations goes back to the 18th century and the American Revolution (1775-83).
Americans began observing the Fourth of July as early as 1777, when the first-ever major celebration in Philadelphia included a parade, a thirteen-shot cannon salute, and fireworks, but Congress didnât make it official until 1870, when it was part of a bill passed to recognize major state holidays at a federal levelâlike Independence Day, Christmas ...