When coiled tubing is run inside of conventional tubing it is often referred to as a velocity string and the space between the outside of the coiled tubing and the inside of the conventional tubing is referred to as themicro annulus. In some cases gas is produced up into the micro annulus.
Here's The First Instagram Photo Ever. Four years ago today on July 16, 2010, Instagram CEO and co-founder Kevin Systrom uploaded the first photo to the app, which was called Codename at the time. This picture of a golden retriever was taken at a taco stand called Tacos Chilakos, and the foot belongs to Systrom's girlfriend, according to a spokesperson for Instagram.
Initially a purely photo-sharing service, Instagram incorporated video sharing in June 2013, allowing its users to record and share videos lasting for up to 15 seconds. The addition was seen by some in the technology media as Facebook 's attempt at competing with Twitter 's Vine video-sharing application.