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.
Since its birth in October 2010, Instagram has made great strides in the world of social media. Three years ago, not many people used or even knew of the photo- and video- sharing social network app that lets you customize your images with filters. But now tens of millions of users use Instagram to connect with each other through visual communication and social interaction.