Original oil and gas trade magazine vintage ad for DRILLING SPECIALTIES COMPANY of Bartlesville, OK. We Said Driscose would help keep your mud fluid in hot holes. Driscose would help improve your electric logs. Dricose would help increase your drilling rate. Now Let Driscose Prove It To You! Unique 1955 old oilfield petroleum drilling and petrochemical mud industry magazine advertisement. Nice graphics. On the reverse side is a small ad for THOMAS FLEXIBLE COUPLING COMPANY of Warren PA. Specify Thomas All Metal Flexible Couplings for Power Transmission to avoid Costly Shut-Downs. Also on the page are 4 small articles. A.W. Carroll named Staff Assistant at Otis Engineering Corporation of Dallas, TX. Lane-Wells Opens Three Branches in the Gulf Coast. Milton C. Hoffman, for many years associated with Stanolind Oil and Gas Company in Tulsa, OK. has been elected a vice president of Continental Illinois National Bank and Trust Company of Chicago, IL. Texas Instruments, Inc., Dallas, TX announced the appointment of Computing Devices of Canada, Ltd., Ottawa, Ontario as its exclusive Canadian agent. Old 1955 petroleum industry magazine advertisement and articles. Approximate page size 9 x 12 inches.