Though not as common as overbalanced drilling, underbalanced drilling is achieved when the pressure exerted on the well is less than or equal to that of the reservoir. Performed with a light-weight ...

WICKLIFFE, Ky. (WSIL) -- Geotechnical drilling work is continuing on the Kentucky side of the U.S. 51 Ohio River "Cairo" Bridge, connecting Cairo, Illinois, and Wickliffe, Kentucky. This work is part ...

A project to replace the southbound US 101 San Jose Creek Bridge continues this week with a drilling operation starting at 6 a.m. Tuesday, Aug. 6. The drilling operation will take place 6 a.m.-6 p.m.

Press release from North Carolina Department of Transportation (NCDOT): The lead designer for the Interstate 26 Connector project plans to begin geotechnical drilling operations in the French Broad ...

(KFVS) - Testing for the U.S. 51 Ohio River “Cairo” Bridge replacement project is expected to begin the weekend of June 29-30. The Donald Olsen is expected to arrive on-site Friday afternoon, June 28.

Up to 20,000 metres of drilling with a focus on ounces beneath the currently modelled pits; Ground magnetics/VLF; Follow-up rock sampling and geological mapping in areas of interest; Advancement of ...

Penn Hills commuters may experience some slow downs starting Monday. PennDOT announced drilling work will begin on Verona Road between Mt. Carmel Road and Lincoln Road. Weather permitting, work will ...