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Summary for Field Activity Number 1975-034-FA

Alternate Leg ID: COST No. B-2 well

Area of Operations: Baltimore Canyon Trough, mid-Atlantic outer continental shelf, United States, North America, North Atlantic

Dates: December 14, 1975 to Mar 28, 1976

Objectives: Continental Offshore Stratigraphic Test (COST) Group, a group of 31 petroleum companies, drilled the COST No. B-2 well, the first deep stratigraphic test well, on the eastern flank of the Baltimore Canyon Trough, Atlantic Outer Continental Shelf, to explore resource potential in the area. The operator was Ocean Production Company and the platform was the submersible drill rig SEDCO-J.

Type of Activity: Rotary coring

Information to be derived: Samples and chemical analysis
Grain size analysis
Petroleum resource potential

Summary: Continuous drilling 15,953 ft. beneath the sea floor. Conventional cores: 4; Sidewall cores: 822; Microfossil samples; Electronic drilling logs; Temperature/Pressure logs.

USGS Project Number: COST WELL

Contact: Wylie Poag (

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
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