Thirty years' close assocIatIOn with the Oil Industry has been a fascinating and stimulating experience; fascinating because the Oil Industry itself is so full of interest and stimulating because of the challenges which changes in technology have brought about. No longer is oil easily obtainable and no longer can oil be found in exotic regions of the globe. On the contrary, if oil is required it is more likely to be found in the bitter Alaskan ice-fields or in the cold depths of the North ...