An introductory review is presented about the geology and the recent history of oil and gas production in NW-Germany. On account of considerable salt accumulations in the geological section in the area considered, salt mud has become the most perfect drilling fluid used in all deep tests. The logging problems introduced with the use of that kind of mud were manifold with regard to equipment and interpretation. Some interpretation problems and their solutions in sandstone and limestone are discussed. The development of service costs on land over a 1o year period reflect the increasing confidence in modern logging operations. Special consideration is given to service costs on land, island, tidal flats, and the open sea. Finally a report is given on why and how to perforate high pressure gas wells under their own gas pressure.
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Sorber, H.W. "Some Logging And Perforating Procedures In NW-Germany." Paper presented at the SPWLA 7th Annual Logging Symposium, Tulsa, Oklahoma, May 1966.
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