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Novel Concepts for Unconventional Gas Development in Shales, Tight Sands and Coalbeds

2007 Unconventional Resources

Project Number: 07122-07 Project Status: completed
Start Date: July 24, 2008 End Date: Feb. 19, 2009
RPSEA PM: Kent Perry Principal Investigator: Ernest Carter
Subcontractor: Carter Technologies Co.
Project Objectives:

The objective of this project was to conduct a preliminary evaluation of novel methods for stimulating gas production from low-permeability rocks, including shale, tight sands, and coal bed formations. Specifically, the goal was to assess the feasibility of using a saw to cut a deep slot from a horizontal borehole into the formation at 5,000 to 10,000 foot depths.

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Application of Natural Gas Composition to Modeling Communication within and Filling of Large Tight-Gas-Sand Reservoirs, Rocky Mountains

2007 Unconventional Resources

Project Number: 07122-09 Project Status: completed
Start Date: Aug. 25, 2008 End Date: Dec. 31, 2012
RPSEA PM: Kent Perry Principal Investigator: Nicholas Harris
Subcontractor: Colorado School of Mines
Project Objectives:

The objective of this project was to test as to whether the composition of natural gas in tight gas sand reservoirs can be used to track and model gas migration and distribution in these reservoirs. Specifically, the project examined the feasibility of using gas composition to understand: 1) gas migration processes in tight gas reservoirs; 2) controls on gas distribution in the reservoir; 3) controls on pressure distribution in the reservoir; and 4) lateral and vertical compartmentalization of the reservoir.

 

Note: The Final Report for this project is larger than 50MB and is available for viewing HERE.

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An Integrated Framework for the Treatment and Management of Produced Water

2007 Unconventional Resources

Project Number: 07122-12 Project Status: completed
Start Date: Sept. 19, 2008 End Date: June 30, 2011
RPSEA PM: Kent Perry Principal Investigator: Jorg Drewes
Subcontractor: Colorado School of Mines
Project Objectives:

The project objective was to develop a web-based selection and screening tool that would allow selection of the best fit for purpose technology for treating water produced with coalbed methane. This tool will have a broader application to other unconventional production as well.

Biogeochemical Factors Enhancing Microbially Generated Methane in Coalbeds

2007 Unconventional Resources

Project Number: 07122-14 Project Status: completed
Start Date: Sept. 12, 2008 End Date: June 12, 2012
RPSEA PM: Kent Perry Principal Investigator: Junko Munakata-Marr
Subcontractor: Colorado School of Mines
Project Objectives:

The project objective was to investigate microbial agents and their ability to convert coal into methane under in-situ conditions. The types of microbes, conversion rates and conditions for optimum methane generation were assessed.

Reservoir Connectivity and Stimulating Gas Flow in Tight Sands

2007 Unconventional Resources

Project Number: 07122-15 Project Status: completed
Start Date: Sept. 19, 2008 End Date: July 1, 2012
RPSEA PM: Kent Perry Principal Investigator: Dag Nummedal
Subcontractor: Colorado School of Mines
Project Objectives:

The project objective was to assess all parameters important to tight gas sand production in the Piceance Basin using the Mamm Creek field as a data source. The importance of all geologic, engineering and geophysical components and their interaction will be investigated.

 

Note: The Final Report for this project is comprised of multiple files and is available for viewing HERE.

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New Albany Shale Gas

2007 Unconventional Resources

Project Number: 07122-16 Project Status: completed
Start Date: July 23, 2008 End Date: Nov. 30, 2010
RPSEA PM: James Pappas Principal Investigator: Iraj Salehi
Subcontractor: Gas Technology Institute
Project Objectives:

To develop techniques and methodologies for increasing the success ratio and productivity of shale gas wells in the New Albany formation, which has not been exploited, to a level at which the otherwise noncommercial wells become commercial producers. Scientific and technical analyses will be combined with field data acquisition, testing, and field validation to produce an integrated project plan for geologic, geochemical, reservoir engineering, and production stimulation studies, as well as a detailed field data acquisition and testing plan addressing all major issues.

Geological Foundation for Production of Natural Gas from Diverse Shale Formations

2007 Unconventional Resources

Project Number: 07122-17 Project Status: completed
Start Date: July 31, 2008 End Date: Aug. 18, 2011
RPSEA PM: Kent Perry Principal Investigator: Jack Pashin
Subcontractor: Geological Survey of Alabama
Project Objectives:

The study objective was to assess gas shales in the state of Alabama (Black Warrior basin) for production potential. Geologic characterization throughout the geologic column was also conducted.

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Petrophysical Studies of Unconventional Gas Reservoirs Using High-Resolution Rock Imaging

2007 Unconventional Resources

Project Number: 07122-22 Project Status: completed
Start Date: Dec. 3, 2008 End Date: Nov. 30, 2012
RPSEA PM: Charlotte Schroeder Principal Investigator: Timothy Kneafsey
Subcontractor: Lawrence Berkeley National Laboratory
Project Objectives:

The main objective of this work was to determine (a) the physical mechanisms that limit gas recovery from tight rock formations, and (b) the means of extending this recovery in the future.

A Self-Teaching Expert System for the Analysis, Design and Prediction of Gas Production from Shales

2007 Unconventional Resources

Project Number: 07122-23 Project Status: completed
Start Date: Dec. 3, 2008 End Date: Nov. 30, 2011
RPSEA PM: Charlotte Schroeder Principal Investigator: George Moridis
Subcontractor: Lawrence Berkeley National Laboratory
Project Objectives:

Develop a self-teaching expert system, available as a Web application/computer program, that is located on Lawrence Berkeley National Laboratory servers and is distributable through the web, enables both "public" and "private" databases.  Continuous updates to the databases and refine the underlying decision-making metrics and process (baseline mode), in prediction mode. It enables the design of appropriate production systems, the operation and management of unconventional (tight) gas resources (UGR), estimates uncertainties in optimization mode. It allows history matching and parameter identification from the data.

Enhancing Appalachian Coalbed Methane Extraction by Microwave-Induced Fractures

2007 Unconventional Resources

Project Number: 07122-27 Project Status: completed
Start Date: Nov. 21, 2008 End Date: May 31, 2010
RPSEA PM: Kent Perry Principal Investigator: Jonathon Mathews
Subcontractor: The Pennsylvania State University
Project Objectives:

The project objective was to determine the ability of microwave energy to create micro fractures in coal samples under simulated down hole conditions of pressure and temperature. This technique has been used successfully by the coal industry for pre-treating coal prior to pulverization at atmospheric conditions.