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.
Generation selfie: Has posing, pouting and posting turned us all into narcissists? Forget saying 'cheese'. Today, every budding Instagram star knows the benefits of the perfect pose - whether a âsparrow faceâ, âpigeon toeâ or âteapot armâ. Anna Hart asks whether we've entered the Age of Vanity. Anna Hart has perfected the art of taking the perfect photo Photo: SOPHIA SPRING.