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3714
 
Emission of carbon dioxide (CO2) from fossil-fueled power generation stations contributes to global climate change. Capture of CO2 from such stationary sources and storage within the pores of geologic strata (geologic carbon storage) is one approach to mitigating anthropogenic climate change. The large storage volume needed for this approach to be effective requires injection into pore space saturated with saline water in reservoir strata overlain by cap rocks. One of the main concerns regarding storage in such rocks is leakage via faults. Such leakage requires, first, that the CO2 plume encounter a fault and, second, that the properties of the fault allow CO2 to flow upward. Considering only the first step of encounter, fault population statistics suggest an approach to calculate the probability of a plume encountering a fault, particularly in the early site-selection stage when site-specific characterization data may be lacking. The resulting fault encounter probability approach is applied to a case study in the southern part of the San Joaquin Basin, California. The CO2 plume from a previously planned injection was calculated to have a 4.1% chance of encountering a fully seal offsetting fault and a 9% chance of encountering a fault with a throw half the seal thickness. Subsequently available information indicated the presence of a half-seal offsetting fault at a location 2.8 km (1.7 mi) northeast of the injection site. The encounter probability for a plume large enough to encounter a fault with this throw at this distance from the injection site is 25%, providing a single before and after test of the encounter probability estimation method.
3711
 
A joint AAPG–Society of Petroleum Engineers–Society of Exploration Geophysicists Hedberg Research Conference was held in Saint-Cyr sur Mer, France, on July 8 to 13, 2012, to review current research and explore future research directions related to improved production from carbonate reservoirs. Eighty-seven scientists from academia and industry (split roughly equally) attended for five days. A primary objective for the conference was to explore novel connections among different disciplines (primarily within geoscience and reservoir engineering) as a way to define new research opportunities. Research areas represented included carbonate sedimentology and stratigraphy, structural geology, geomechanics, hydrology, reactive transport modeling, seismic imaging (including four-dimensional seismic, tomography, and seismic forward modeling), geologic modeling and forward modeling of geologic processes, petrophysics, statistical methods, numerical methods for simulation, reservoir engineering, pore-scale processes, in-situ flow experiments (e.g., x-ray computed tomography), visualization, and methods for data interaction.
2314
 
Explorer Article

An AAPG member is asked to provide a study on fractures and seismicity in New York, putting him at the epicenter of the state's debate over the use of hydraulic fracturing.

2291
 
Explorer Article

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

2290
 
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.

2287
 
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.

2274
 
Explorer Emphasis Article

Targeting resources in the Arctic – piece of cake. But dense fog, sea ice, extended whaling season and a damaged containment barge – that’s another story. Officials from one company tell how they managed to overcome these challenges in the Arctic’s hostile yet environmentally sensitive regions.

2268
 
Explorer Article

Water issues is the topic of an upcoming AAPG GTW. This GTW is the first to focus on environmental and resource play issues.

2267
 
Explorer Article

Water: It’s all around us. So, why so many issues finding enough and utilizing it for hydraulic fracturing? AAPG member Dan Arthur shares his insight into water sourcing for this widely-used process for oil production.

2218
 

Several AAPG meetings have taken place since the last issue of the EXPLORER was published, including the International Conference and Exhibition in Singapore, and the annual meetings for the Eastern Section (Cleveland) and GCAGS (Austin, Texas).

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01 January, 2014 01 January, 9999 3160
 
1 January 2014 - 1 January 9999

Learn to critically evaluate current issues that can impact growth and sustainability of oil and gas ventures.

16 April, 2013 16 April, 2013 1496
 
16 April 2013

The goal of this e-symposium is to provide an overview of the latest trends and technologies for water management for oil and gas drilling, completions, and production.

30 August, 2012 30 August, 2012 1489
 
30 August 2012

The entire Middle Pennsylvanian–to–top Precambrian basement (500 m) interval was cored in early 2011 in the BEREXCO Wellington KGS #1-32 well in Wellington Field, Sumner County, KS.

19 November, 2009 19 November, 2009 1453
 
19 November 2009

This presentation will review the results of ongoing carbon storage research in Kentucky by the Kentucky Geological Survey (KGS) and industry partners.

27 March, 2009 27 March, 2009 1435
 
27 March 2009

Join two GIS/geoscience experts Scott Sires and Gerry Bartz as they use information from the Teapot Dome Field in Wyoming (DOE/RMOTC program).

14 February, 3000 14 February, 3000 7817
 
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