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.
The image you see below is the first photo ever shared on Instagram. It was uploaded two years ago today to an app called, at that point, Codename. It would become Instagram officially three months later in October of 2010. This shot was uploaded by Instagram founder Kevin Systrom. Systrom says it was taken at Chilako tacos in Todos Santos.