Explorer Geophysical Corner

Borehole seismic methods have been used since the beginning of exploration seismology. Check shot surveys were used to obtain travel times and interval velocities, and 2-D VSPs (Vertical Seismic Profiles) and 2-D high-resolution crosswell data also have been recorded.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Houston geologist Robert Sneider and British poet John Donne share a basic philosophy: No man is an island entire of itself. It's the people that make a difference along the way.

American Association of Petroleum Geologists (AAPG)
Explorer Article

AAPG provides invited testimony twice before Congress regarding America's energy situation.

American Association of Petroleum Geologists (AAPG)
Explorer Article

The resource known as gas or methane hydrates, which lies frozen in combustible ice crystals below the ocean floor -- or closer to the surface in the Arctic regions -- has been estimated to represent double the energy potential of all of the world's conventional oil, gas and coal reserves combined.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Much of the recent success going on today in the Applachian Basin can be traced to old Trenton-Black River fields - some of which are giants in the annals of oil industry lore.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

For a variety of reasons, an exploration play in the Appalachian Basin is drawing the attention of oil companies around the country: the Trenton-Black River.

American Association of Petroleum Geologists (AAPG)
Explorer Article

How much is enough? That's a question oil companies must ask themselves every time they make a discovery -- and there are no easy answers. Many factors are considered when firms determine if a discovery is commercial, and often fields just don't make the cut -- leaving countless millions of barrels of oil untapped all over the world.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

An increasing number of companies, in an increasing number of places around the world, consider horizontal drilling as an option in all kinds of plays. Through May 1999 Denver-based IHS Energy Group's databases contained records for 20,430 horizontal wells in 67 different countries.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Oil and gas discoveries of the 90s were significant in location but less so in size. How does this impact the future? 'To meet the current annual demand ... and the demand ... in 2010, new production must originate from a variety of sources...,' says Robert Esser, director of Global Oil and Gas Resources with Cambridge Energy Research Associates.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

The basement fault block pattern started last month continues. This month the author attempts to substantiate the claim that many oil and gas fields are controlled by basement. Some geologists may concede that the evidence for underlying basement control is convincing.

American Association of Petroleum Geologists (AAPG)

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