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.
Teen Vogue Debuts CondÃ© Nastâs First Sponsored Cover Ad. Subscriber copies of the May issue will feature TresemmÃ© on false cover. Kylie Jenner has been the subject of plenty of online buzz this week for landing her first solo Teen Vogue cover, but it won't be the reality star's face subscribers see when they receive their music-themed May issue.