Explorer Emphasis Article

Shale List Grows: Production from unconventional reservoirs, particularly shale, has been a boon to U.S. domestic natural gas stockpiles.

American Association of Petroleum Geologists (AAPG)
Explorer Spotlight On…

Lee Allison, the state geologist and director of the Arizona Geological Survey, knows a lot about the coming need for strategic investment in data integration – and about how to succeed in today's political climate.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Here, there and everywhere: For the first time, cable-free self-contained nodal systems are being used in an onshore-offshore combination – and in a challenging location.

American Association of Petroleum Geologists (AAPG)
Explorer Historical Highlights

Tenacity and a keen business mind were traits contributing to the success of one of California’s most prosperous oilmen of the early 1900s – except this particular oilman was a woman.

American Association of Petroleum Geologists (AAPG)
Explorer Division Column DPA

Following the DPA annual meeting, we will hold our annual awards dinner at Sir Winston’s on the Queen Mary in Long Beach Harbor. 

American Association of Petroleum Geologists (AAPG)
Explorer Director’s Corner

The Grammys and the Academy Awards all have been given, and now it’s our turn on the red carpet.

American Association of Petroleum Geologists (AAPG)
Explorer Article

A wide-bin 3-D seismic survey shed light on the Monterey oil prospect near Santa Maria, Calif.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Coexist – often easier said than done, especially when the exploration industry is attempting to work in highly populated or environmentally sensitive areas. So how does it work in California?

American Association of Petroleum Geologists (AAPG)
Explorer Article

This is a place that’s historic, innovative, hugely resourceful and enormously complex. When it comes to energy, California has it all. 

American Association of Petroleum Geologists (AAPG)
Explorer Article

Have an opinion about hydraulic fracturing? So does the person next to you, which is why Steve Leifer, this year’s speaker at the upcoming DEG annual luncheon, says to look at the big picture.  

American Association of Petroleum Geologists (AAPG)
VG Abstract

Analysis of microseismicity induced by hydraulic fracture stimulation in the Marcellus Shale shows changes in stress state for different zones of failure. During the treatment, shear failure occurs on both the J1 and J2 fracture orientations in response to different maximum stress orientations, indicating localized changes in the orientation during the treatment. Reactivation of a fault near the wellbore is associated with failure mechanisms with a higher volumetric component, indicating possible inflation of faults and fractures by the introduction of the slurry. Quantification of the stress conditions that are associated with inflation could potentially be used to optimize the stimulation by identifying which fractures will preferentially take on slurry volume.

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Request a visit from Sherilyn Williams-Stroud!

American Association of Petroleum Geologists (AAPG)
VG Abstract

Hydraulic fracturing has been around for decades. This talk describes some of the first applications of the technology, how it developed over time, and our current understanding of its impacts with some discussion of both water and earthquake hazards.

Request a visit from Sherilyn Williams-Stroud!

American Association of Petroleum Geologists (AAPG)
VG Abstract

Microseismicity induced by hydraulic fracture stimulation of a horizontal well was mapped with a near-surface buried array. Distinct linear trends of events were not parallel to the direction of fast shear wave polarization measured in the reservoir with a crossed-dipole anisotropy tool. Analysis of core from a nearby well revealed numerous calcite-filled fractures that did not induce shear wave polarization, but did significantly impact the failure behavior of the reservoir rock during the stimulation treatment. Hydraulic fracture simulation with DFN modeling and source mechanism analysis supports the interpretation of reactivated existing fractures rather than the formation of hydraulically-induced tensile fractures.

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Request a visit from Sherilyn Williams-Stroud!

American Association of Petroleum Geologists (AAPG)

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