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).
(Photo: Spirit of America, Shutterstock). The Fourth of July celebrates the day in 1776 when colonial American representatives ratified the Declaration of Independence, making official their intention to break away from England and organize a sovereign government.