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.
There's nothing like a good old-fashioned glamour shot. Selena Gomez is now the reigning queen of Instagram. The 23-year-old singer has the most-liked photo on the photo-sharing platform, garnering over 4 million likes (and counting) for a snap put up two weeks ago.