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Geomechanics and Fracture Analysis

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The call for abstracts is now open for the next AAPG Annual Convention and Exhibition, which will be held May 31- June 3 in Denver.
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Explorer Emphasis Article
Given all the success stories, it’s intriguing to realize these plays are still far from being a known – variability is indigenous. The players talk about “cracking the code,” but the “code” can differ even between adjacent wells.
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Explorer Emphasis Article

As the Bakken, Eagle Ford, Marcellus and other shale plays make national news, the Cane Creek reservoir might be the dark horse poised to emerge as another major shale play. 

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Explorer Article

Shale formations can confound even the savviest geoscientist when it comes to determining the inner workings of the rock. After expert evaluation, even the most attractive prospecting deal can be a tough sell. And there’s almost always a new piece to each of these puzzles that requires some sophisticated high-tech explaining.

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Explorer Article

Energized by the recent Statoil ASA-operated Bay du Nord light oil discovery in Newfoundland’s offshore Flemish Pass Basin, earth scientists are gearing up to host the fourth Atlantic Realm Conjugate Margins Conference in St. John’s, Newfoundland, Aug. 20-22.

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We present a method of using fault displacement-distance profiles to distinguish fault-bend, shear fault-bend, and fault-propagation folds, and use these insights to guide balanced and retrodeformable interpretations of these structures. We first describe the displacement profiles associated with different end-member fault-related folding models, then provide examples of structures that are consistent with these model-based predictions. Natural examples are imaged in high-resolution two- and three dimensional seismic reflection data sets from the Niger Delta, Sichuan Basin, Sierras Pampeanas, and Cascadia to record variations in displacement with distance updip along faults (termed displacement-distance profiles). Fault-bend folds exhibit constant displacement along fault segments and changes in displacement associated with bends in faults, shear fault-bend folds demonstrate an increase in displacement through the shearing interval, and fault-propagation folds exhibit decreasing displacement toward the fault tip. More complex structures are then investigated using this method, demonstrating that displacement-distance profiles can be used to provide insight into structures that involve multiple fault-related folding processes or have changed kinematic behavior over time. These interpretations are supported by comparison with the kinematics inferred from the geometry of growth strata overlying these structures. Collectively, these analyses illustrate that the displacement-distance approach can provide valuable insights into the styles of fault-related folding.

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The Guadalupe Mountains (USA) expose shelf to basin cross-sections of the Permian Capitan depositional system along 70 km of depositional strike, providing an excellent outcrop analog for studying the processes that generate early fractures within carbonate platform strata.

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Assets within the Appalachian Basin range from conventional clastic and carbonate reservoirs to source rocks of Devonian black shale and Pennsylvanian coal, all of which are fractured.

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Craquelure, the fine pattern of cracks found in old paintings, presents a rare opportunity to reach beyond the physical sciences for help in understanding a geological process as inscrutable as the development of joints in a fractured reservoir.

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In his classic 1965 GSA Bulletin paper “Origin of ‘Reverse Drag’ on the Downthrown Side of Normal Faults” Hamblin presented a conceptual model linking the formation of reverse drag (the down-warping of hanging wall strata toward a normal fault) to slip on faults with listric (curved, concave up) cross-sectional profiles. Although this model has been widely accepted, some authors have noted that reverse drag may also form in response to slip on planar faults that terminate at depth. A universal explanation for the origin of reverse drag, a common element of extensional terranes, thus remains elusive almost 50 years after Hamblin’s seminal paper on the subject.

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In-Person Training
Casper Wyoming United States 08 September, 2014 12 September, 2014 1513
 
Casper, Wyoming, United States
8-12 September 2014

Take advantage of this unique opportunity to learn all the aspects related to the understanding and modeling of fractured reservoirs. Attendees will take geologic concepts and use them in reservoir modeling through hands-on sessions devoted to the examination of outcrop, core and log data. They will use that information and a software to create 3D fractured reservoir models. Using actual Teapot Dome (Wyoming, USA) field data from the Tensleep and Niobrara Shale formations and a hands-on approach, the workshop allows the geoscientist to identify fractures and to construct predictive 3D fracture models that can be used to identify productive zones, plan wells and to create fracture porosity and permeability models for reservoir simulation.

Great Falls Montana United States 08 September, 2014 13 September, 2014 150
 
Great Falls, Montana, United States
8-13 September 2014

The seminar will utilize traverses to examine multiple thrust sheets exposed in Sun River Canyon, the famous Teton Anticline, and an outstanding example of an exposed fractured reservoir along a fault‐propagated fold in Mississippian carbonates as Swift Reservoir. Participants will examine the mechanics of fracturing, folding, and faulting in thrust belt terrains, identify and discuss new ideas regarding the geometry and kinematics of the development of thrust belts, compare seismic interpretation with outcrop examples, and analyze stratigraphic concepts which are essential in the exploration of thrust belt targets.

Houston Texas United States 12 November, 2014 12 November, 2014 10555
 
Houston, Texas, United States
12 November 2014

This course is a practical approach to defining reservoir fluid and pressure related natural fracture generation and fracture property alteration in conventional and unconventional reservoirs.

Houston Texas United States 13 November, 2014 13 November, 2014 10566
 
Houston, Texas, United States
13 November 2014

This interdisciplinary course encompasses the fields of rock mechanics, structural geology and petroleum engineering to address a wide range of geomechanical problems that arise during the exploitation of oil and gas reservoirs.

Houston Texas United States 13 November, 2014 13 November, 2014 10379
 
Houston, Texas, United States
13 November 2014

This course is an introduction to the Bakken/Three Forks resource play.

14 February, 3000 14 February, 3000 7815
 
14 February, 3000 14 February, 3000 7812
 
14 February, 3000 14 February, 3000 7816
 
14 February, 3000 14 February, 3000 7813
 
Online Training
12 July, 2012 12 July, 2012 1490
 
12 July 2012

This presentation will look at well placement vertically in the pay, well azimuth and well trajectory with explanations of how geology and post-depositional effects can make the difference between a successful well and a failure.

16 February, 2012 16 February, 2012 1483
 
16 February 2012

This presentation describes a proven workflow that uses a standard narrow azimuth 3D seismic, conventional logs, image logs and core data to build five key reservoir properties required for an optimal development of shale plays.

10 May, 2012 10 May, 2012 1486
 
10 May 2012

Recognition and Correlation of the Eagle Ford, Austin Formations in South Texas can be enhanced with High Resolution Biostratigraphy, fossil abundance peaks and Maximum Flooding Surfaces correlated to Upper Cretaceous sequence stratigraphic cycle chart after Gradstein, 2010.

20 January, 2012 20 January, 2012 1482
 
20 January 2012

The Eagle Ford Shale in South Texas is one of the more exciting shale plays in the United States at the current time.

07 June, 2012 07 June, 2012 1488
 
7 June 2012

Unger Field, discovered in1955, has produced 8.6 million barrels of oil from a thinly (several ft) bedded, locally cherty dolomite containing vuggy and intercrystalline porosity.

09 February, 2012 09 February, 2012 1477
 
9 February 2012

Projects in several shales will be discussed, including Marcellus, Eagle Ford, Haynesville, Fayetteville, Montney, and Barnett, as will several seismically-detectable drivers for success including lithofacies, stress, pre-existing fractures, and pore pressure.

29 September, 2011 29 September, 2011 1478
 
29 September 2011

This study will focus in the combination of λρ – μρ inversion with clustering analysis techniques in order to discriminate brittle zones in the Barnett Shale.

04 October, 2012 04 October, 2012 1491
 
4 October 2012

Effective hydraulic fracture stimulation is critical for shale development, and microseismic is the only technology able to map the growth of these hydraulic fracture networks.

15 March, 2012 15 March, 2012 1484
 
15 March 2012

This e-symposium presents techniques for predicting pore pressure in seals by examining case studies from the Gulf of Mexico and incorporating the relationship between rocks, fluids, stress, and pressure.

25 August, 2011 25 August, 2011 1475
 
25 August 2011

This e-symposium provides highlights of the hydraulic fracturing mechanics, analysis, and design, and is derived from a two and one-half (2-1/2) day course which is designed for drilling, completion, production engineers, engineering technicians, geologists, well-site and completion supervisors, and managers, who desire to possess a comprehensive and integral knowledge of Hydraulic Fracturing.

17 March, 2011 17 March, 2011 1470
 
17 March 2011

This e-symposium will provide information on which tools, processes, and procedures all geoscientists, engineers, and technical professionals working in shale plays need to understand and implement.

09 December, 2010 09 December, 2010 1466
 
9 December 2010

The Mississippian-Devonian Bakken Petroleum System of the Williston Basin is characterized by low-porosity and permeability reservoirs, organic-rich source rocks, and regional hydrocarbon charge.

21 October, 2010 21 October, 2010 1464
 
21 October 2010

This e-symposium covers how to conduct an interdisciplinary evaluation of mature fields to determine the best approach to recover remaining reserves.

22 July, 2010 22 July, 2010 1461
 
22 July 2010

Upon successful completion of this course, you will be able to describe geomechanics in shale reservoirs and discuss differences between plays.

03 June, 2010 03 June, 2010 1460
 
3 June 2010

Upon successful completion of this course, you will be able to describe faults and fractures in carbonates, black shales, and coarser clastics as they occur in the northern Appalachian Basin.

25 March, 2010 25 March, 2010 1458
 
25 March 2010

The presentation describes a well established fracture modeling workflow that uses a standard 3D seismic, conventional logs, image logs and data from one core to build predictive 3D fracture models that are validated with blind wells.

25 January, 2011 25 January, 2011 1454
 
25 January 2011

This esymposium takes a close look at workflows associated with resource plays, and analyzes where integration must occur between disciplines, data, and workflows at all phases of the process.

14 February, 3000 14 February, 3000 7817
 
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