Explorer Geophysical Corner

Microseismic technology is crucial these days for understanding reservoirs and planning development programs.

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

Hydraulic fracturing has captured the public’s attention, to the point where millions of people who have never been to a rig site now confidently offer opinions.

American Association of Petroleum Geologists (AAPG)
Explorer Article

A new study is providing data for the debate: Hydraulic fracturing versus surface coal mining – which one is safe for the enviornment?

American Association of Petroleum Geologists (AAPG)
Explorer Article

Ready, set, drill. Oh, wait, not yet! Just when the United Kingdom’s ban on hydraulic fracturing was lifted, other obstacles arose, making key players have to wait their turn to tackle the country’s potentially inviting shale play.

American Association of Petroleum Geologists (AAPG)
Explorer Article

It don’t come easy: The oil rich Monterey Shale has proved to be the biggest conventional resource provider in California, and it promises even more – but the formation’s complex geology is just as intimidating as its potential is huge.

American Association of Petroleum Geologists (AAPG)
American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Leader of the pack: North America heads the 2012 global E&P developments list – surprise, surprise – with oil production in Canada and the Gulf of Mexico all contributing to the boom.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

It’s all about staying on target: Technological advances are helping to make geosteering an increasingly valuable tool for geologists involved in horizontal wells.

American Association of Petroleum Geologists (AAPG)
Explorer Policy Watch

AAPG provided a glowing introduction to me last month in this column, but now that it is time for my first column:

American Association of Petroleum Geologists (AAPG)
Explorer President’s Column

AAPG members realize that finding oil and gas is at best an arduous, difficult task.

American Association of Petroleum Geologists (AAPG)
Workshop
Virtual Workshop
Tuesday, 25 January Wednesday, 26 January 2022, 8:00 a.m.–5:00 p.m.

This two-day virtual conference aims to bring together industrial and academic persons to present, explore and develop approaches that will benefit both sectors in the future. The virtual conference will focus on current techniques, the challenges and future solutions in understanding the Triassic stratigraphy of the North Sea, Norwegian Sea, West of Shetland, Atlantic margins, and northern Europe.

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

This is a less-technical education topic. It can be condensed to an hour or given as 2 two-hour sessions. It stresses selected controversial aspects of fracking that touch some combination of environment and economics and includes a short video of how fracking is done.

Request a visit from David Weinberg!

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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