Nature oil and gas fields are difficult to rehabilitate effectively because of the economics of declining production. Many fields are abandoned prematurely when their life could be prolonged significantly through application of new technology. Romgaz (a national exploration and production company) and Schlumberger (an integrated oilfield services company) developed a new business mode... https://www.chiggate.com/3m-speedglas-9002nc-welding-helmet-fashion/