Schlumberger is the largest oilfield services company. Which is engaged in the search for gas and oil fields, drilling wells and servicing them in the process of production. Recent years have not been very successful for the company. But the price of their shares often depends on the cost of oil. The highest stock prices were at a time when oil quotes were also at the top. After 2014, this is the last top stock price, securities fell 85%. The fall was greatly affected by the pandemic and the fall in oil prices. But today it makes it possible to buy these shares at a very cheap price. You need to understand that quarantine restrictions are starting to be lifted around the world. This increases business activity and stimulates oil growth. There will always be a need for oil, which means that Schlumberger will always find work.