Start by following all the acquisitions or mergers event types allowing the group to buy out the competition or to increase its global market share which are often very good entry points on the market.
To complete a technical analysis of the Schlumberger shares you should analyse the share price and trade volume of this asset in order to identify the numbers and figures available on the stock market charts to predict the medium and long term trends that could occur and establish the buy and sell signals such as the support and resistance levels that could indicate a rebound or reversal of these trends. Of course, this method should be combined with a fundamental analysis.