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 singer-songwriter announced the pregnancy on Instagram, and social media has been buzzing with excitement ever since. And the Instagram post itself has gone wild, skyrocketing to become the most liked image on the photo-sharing platform of all time and claiming the Guinness World Record. In under eight hours, the photo, in which a pregnant Bey cradles her belly in front of a profusion of flowers, shot to 6,481,207 likes.