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Bulletin Article

Geomechanical restoration as a tool for fractured reservoir characterization: Application to the Permian Basin, west Texas

We present a three-dimensional (3-D) geomechanical-restoration method as a reservoir characterization tool in the Permian Basin, west Texas. The Oates SW field produces gas from the Lower Devonian Thirtyone Formation within structural traps.

Added on 26 December, 2017

Learn! Blog By Susan Nash

Interview with Joe Dumesnil, Overland Oil and Gas: Innovators in Exploration-Based Businesses Series

Understanding the business side of oil and gas exploration and development is fundamental to success, especially in times of uncertainty and disruptive technologies. Welcome to an interview with Joe Dumesnil, Overland Oil and Gas. Joe will be speaking at the AAPG Annual Convention in the Special Session on the Business of Oil and Gas.

Added on 21 December, 2017

Learn! Blog By Susan Nash

Save the Date! - Playmaker Forum | 26 April 2018 | Marathon Oil Conference Facility | Houston, TX

Innovations Bring Once-dying Shale Plays Back to Life Join us in Houston Texas, on April 26, 2018 to uncover the technologic innovations applied to the Haynesville gas play, that have seen a spike in production due to these advances.

Added on 21 December, 2017

Bulletin Ahead of Print Article

An uncertainty approach to estimate recoverable reserves from the Bakken petroleum system in the North Dakota portion of the Wiliston basin

Rather than using discrete values for properties that influence the volumetric calculation for recoverable reserves from the Middle Bakken, Pronghorn, and Three Forks reservoir rocks in the Williston Basin in North Dakota, an uncertainty-based assessment method was used. Various estimates have been published in the past that attempt to quantify recoverable reserves from the Bakken petroleum system.

Added on 20 December, 2017

Delegates Voice Article By David Entzminger

Announcing AAPG's House of Delegates' New Honorees

The House of Delegates has approved the list of 2018 HoD honors and award winners.

Added on 14 December, 2017

wwwUpdate Blog By David Entzminger

Announcing AAPG's House of Delegates' New Honorees

The House of Delegates has approved the list of 2018 HoD honors and award winners.

Added on 07 December, 2017

wwwUpdate Blog By Charles Sternbach

Announcing the 2018-19 AAPG Executive Committee Candidates

AAPG announces the candidates for the 2018-19 Executive Committee. Biographical information, including video interviews and personality profiles, will be available in early 2018.

Added on 04 December, 2017

Explorer ProTracks By Nikki Oliver

A Night Out with Rocky Mountain YPs

With the shuttering of many Denver offices and an ever-looming specter of low priced oil it was refreshing to see a healthy mix of Young Professionals (YP’s) come out for the Rocky Mountain Section’s recent Happy Hour.

Added on 01 December, 2017

Explorer Geophysical Corner By Kurt Marfurt,Ritesh Sharma,Satinder Chopra

Assessing the Influence of Untrackable Horizons on Impedance Inversion

The definition of accurate horizons is critical to the construction of the low-frequency component of the impedance model used in seismic impedance inversion.

Added on 01 December, 2017

Explorer Division Column DEG By Stephen Testa

Being an Environmental Steward

Our industry, science and profession have been taking note of the importance of being prominent and proactive in assuring the public and other stakeholders that the energy extraction industry implements environmental stewardship in a manner equivalent to its skill and innovation in extracting the oil, gas and minerals that society needs.

Added on 01 December, 2017

VG Abstract By Fred Schroeder

Basics of Prospecting

The following short course option was developed for geology and geophysics students that have not had much exposure to how geoscience is applied in industry. It can be tailored for undergraduate juniors and seniors or graduate students. The agenda can be modified to meet specific needs and time constraints. Contact the presenter to discuss options.

Request a visit from Fred Schroeder!

Added on 08 January, 2014

VG Abstract By Fred Schroeder

Basic Stratigraphic Interpretation

Request a visit from Fred Schroeder!

Added on 08 January, 2014

VG Abstract By Fred Schroeder

Basic Structural Interpretation

Request a visit from Fred Schroeder!

Added on 08 January, 2014

VG Abstract By Noelle Joy Purcell

Confounding Carbonates: The Reservoir Rocks that Won't Play Nice

This lecture will discuss the differences between carbonates and siliciclastics from their chemical composition through their distributions in time and space. Building on these fundamental differences, we will explore the challenges carbonates pose to petroleum geologists in terms of seismic interpretation, reservoir quality prediction, field development, etc. Peppered with humorous personal stories, still raging academic debates, and the heartfelt frustrations of real industry professionals, the aim is to inspire students and young professionals to rise to the occasion and embrace the reservoir rocks that petroleum geologists love to hate.

Request a visit from Noelle Joy Purcell!

Added on 17 March, 2015

VG Abstract By David Weinberg

Fracking - A Curse or a Blessing?

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!

Added on 19 March, 2015

VG Abstract By Fred Schroeder

The Use of Seismic Data in Industry

Request a visit from Fred Schroeder!

Added on 08 January, 2014

VG Abstract By Sherilyn Williams-Stroud

Induced Hydraulic Fractures or Reactivated Natural Fractures?

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.

Request a visit from Sherilyn Williams-Stroud!

Added on 16 November, 2016

VG Abstract By Sherilyn Williams-Stroud

Fracture Mechanics Interpreted from Stress Inversion Analysis on Microseismic Event Source Mechanisms in the Marcellus Shale

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.

Request a visit from Sherilyn Williams-Stroud!

Added on 16 November, 2016

VG Abstract By Sherilyn Williams-Stroud

A Brief History of Hydraulic Fracturing and Induced Seismicity

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!

Added on 16 November, 2016

VG Abstract By Charles Caughey

Discovering Large Gas Fields in Crystalline Basement: Unconventional Exploration in Sumatra

In 1991, Gulf Indonesia and its partners discovered South Sumatra Basin’s first major gas field at Dayung in the Corridor PSC. A key feature of this field is that most of the reserves are held within fractured basement rocks of pre-Tertiary age.

Request a visit from Charles Caughey!

Added on 02 March, 2015

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