I noted your comment that oil drilling technology has has not...

I noted your comment that oil drilling technology has has not changed much in recent years.

I am sure the drillers in the shale fields of the USA only prosper because of new drilling technology.

Moreover, the advances in seismic with 3D technology including developments in data processing software applications is just as impressive.

Unaware of your reasons to ignore inconvenient information in your crusade but perhaps you are just here for the public good.