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07 Sep

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Explorer Article By David Brown

Where Does Unconventional Resource Development Go from Here?

Unconventional resource development has a remarkable history, combining breakthroughs and advances in both technology and geoscience. The pace of progress might have slowed in recent years, but that history is still being written.

Added on 01 June, 2021

Explorer Article By Joseph Moore

Utah FORGE Applies Unconventional Resource Methods for Geothermal Research

New ground-breaking advances are currently being made at the Utah Frontier Observatory for Research in Geothermal Energy using methods borrowed from the oil and gas industry for unconventional hydrocarbon development. Recently, geothermal history was made when Utah FORGE successfully completed the first of two highly deviated deep wells in the hot, hard granite that will form the geothermal reservoir.

Added on 01 April, 2021

Explorer President’s Column By Rick Fritz

Always Pay Attention to the Really Big Things

If you remember from my last column, this is a three-part series on my thoughts on science, membership and budget. I talked about budget last time … we are still working on it, so let’s talk science. The reason most professionals join AAPG is for access to science. That’s not just my opinion – it’s what members tell us. AAPG is very good about disseminating the work of our members and other professionals around the world. That’s our mission.

Added on 01 September, 2020

Explorer Geophysical Corner By Ritesh Sharma,Satinder Chopra

Using Shale Capacity to Predict Well Performance Variability: Part 2

As discussed in part 1 of this article, when it comes to the attributes used in equation 1 for seismically determining shale capacity, it is difficult to make a manual choice for the cut off values. To alleviate such a problem, application of machine learning techniques could be useful and thus worth exploring.

Added on 01 September, 2020

Explorer Geophysical Corner By Ritesh Sharma,Satinder Chopra

Shale Capacity for Predicting Well Performance Variability

The goal of reservoir characterization work carried out for a shale play is to enhance hydrocarbon production by identifying the favorable drilling targets. The drilling operators have the perception that in organic-rich shale formations, horizontal wells can be drilled anywhere, in any direction, and hydraulic fracturing at regular intervals along the length of the laterals can then lead to better production. Given that this understanding holds true, all fracturing stages are expected to contribute impartially to the production. However, studies have shown that only 50 percent of the fracturing stages contribute to overall production. This suggests that repetitive drilling of wells and their completions without attention to their placement must be avoided, and smart drilling needs to be followed by operators.

Added on 01 August, 2020

Explorer Emphasis Article By Barry Friedman

Geomechanical Modeling Facilitates Better Production, Safer Drilling

Considering that success or failure of unconventional exploration is largely dependent on drilling horizontal wells in the right area and fracturing efficiently, and considering also that geomechanical modeling facilitates these processes, it is easy to see that when industry professionals have a better perspective of the subsurface mechanics, the better chance they have for increased production. That is the point of geomechanical modeling: safer drilling and increased production.

Added on 01 June, 2020

Explorer President’s Column By Mike Party

An Unprecedented Time

We have been through a month of lockdown due to the coronavirus, and in that time, we have seen oil prices go into negative numbers. This is paper barrels! The commodity market has a place in our business and it’s helpful to understand the history and how the commodity market has changed our industry.

Added on 01 May, 2020

Explorer Geophysical Corner By Ritesh Sharma,Satinder Chopra

The Importance of Fracture Toughness

Shale resource plays are associated with low permeability, so hydraulic fracturing is required for their stimulation and production. In order to enhance the flow of fluids with hydraulic fracturing, it is vital to understand the stress field distribution. The efficiency and effectiveness of a hydraulic fracture stimulation are predicated on adequate horizontal well placement in the subsurface. For that purpose, the horizontal wells are usually drilled in the direction of minimal horizontal stress so that hydraulic fracturing takes place in the direction of maximal stress that ensures better reservoir contact and production, which also depends on how a complex fracture network is created by induced fractures.

Added on 01 April, 2020

Explorer Article By Autumn Haagsma

Petroleum Geologists and DEG Can Pave the Way for CCUS

The maturing carbon market is a major driver for carbon capture, utilization and storage projects. Both the subsurface technical knowledge and related data sets of the petroleum industry are major inputs required for the world to successfully move toward a carbon-neutral and sustainable energy future. To that end, one of the goals of the Division of Environmental Geosciences in representing AAPG is to promote what petroleum geologists can offer during an evolving energy future.

Added on 01 March, 2020

Explorer Article By David Brown

Lawmakers, Candidates Propose Nationwide Ban on Hydraulic Fracturing

Proposals to ban hydraulic fracturing in the United States have drawn a wide range of responses from analysts, with projected effects ranging from cataclysmic to trifling. Legislation to phase out fracturing was introduced in both the U.S. Senate and House of Representatives earlier this year. That turned up the heat on the controversy, as did the emergence of Sen. Bernie Sanders as the frontrunner for the Democratic presidential nomination. Sanders and Sen. Jeff Merkley introduced a bill titled the “Ban Fracking Act” in January.

Added on 01 March, 2020

Online e-Symposium

Thursday, 26 September 2013, 12:00 a.m.–12:00 a.m.

Overpressure in Shale Gas – When Geochemistry and Engineering Data Meet and Agree

The presentation will discuss key reservoir information and how to develop a predictive pressure model.

Added on 11 December, 2013

Online e-Symposium

Thursday, 8 November 2012, 12:00 a.m.–12:00 a.m.

Proppant Selection Drivers in Unconventional Resources

This talk will present a brief overview of proppants followed by a comprehensive discussion of the major considerations that are driving proppant selection in these plays.

Added on 11 December, 2013

Online e-Symposium

Thursday, 2 October 2014, 2:00 p.m.–3:00 p.m.

Concepts of Scale: Horizontal Development of Wolfcamp Shale Oil of the Southern Midland Basin

This course is ideal for individuals involved in Midland Basin exploration and development. Successful development of Wolfcamp shale oil relies on complex inter-relationships (ultimately interdependencies) within and between a wide variety of scientific disciplines, financial entities, and company partnerships.

Added on 20 June, 2014

Online e-Symposium

Thursday, 7 June 2012, 12:00 a.m.–12:00 a.m.

New Production in Old Fields: Case Study in the Hunton Dolomite

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.

Added on 11 December, 2013

Online e-Symposium

Thursday, 16 February 2012, 12:00 a.m.–12:00 a.m.

Seismically Driven Characterization of Unconventional Shale Plays

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.

Added on 11 December, 2013

Online e-Symposium

Thursday, 4 October 2012, 12:00 a.m.–12:00 a.m.

Microseismic Imaging of Hydraulic Fractures: Snap, Crackle and Pops of Shale Reservoirs

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.

Added on 11 December, 2013

Online e-Symposium

Tuesday, 10 September 2013, 12:00 a.m.–12:00 a.m.

Using Production Performance Data to Improve Geological Models

The goal of this e-symposium is to review an important dimension in the ways geologist can build and update geological models using information from performance data.

Added on 11 December, 2013

Online Certificate Course

Tuesday, 1 January 2013, 12:00 a.m.–1:00 a.m.

Wind Energy Basics: A Renewable Energy Certificate Course

Wind Energy Basics is an online course that enables participants to review, analyze, and evaluate opportunities in the rapidly expanding market for wind energy.

Added on 01 December, 2013

Online e-Symposium

Thursday, 29 September 2011, 12:00 a.m.–12:00 a.m.

Application of Inversion and Clustering Analysis in Unconventional Reservoirs

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.

Added on 11 December, 2013

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