Table E4. Assumed Rates of Technological Progress for Unconventional Gas
Recovery
in the Reference, Accelerated Depletion, and Rapid and Slow Technology
Cases
|
Technology Lever |
Item |
Resource |
Reference Case |
Accelerated Depletion Case |
Rapid Technology Case |
Slow Technology Case |
|
Reservoir Characterization and Well Performance Technology |
||||||
|
1. Basin Assessments |
Date available |
All types |
2016 |
NA |
2011 |
NA |
|
2. Play-Specific, Extended |
Development pace |
Tight gas sands |
-1.25 yr per year |
-0.5 yr per year |
-2.0 yr per year |
-0.5 yr per year |
|
Development pace |
Coalbed methane |
-1.0 yr per year |
-0.5 yr per year |
-1.5 yr per year |
-0.5 yr per year |
|
|
Development pace |
Gas shales |
-1.0 yr per year |
-0.5 yr per year |
-1.5 yr per year |
-0.5 yr per year |
|
|
5. Geology/Technology Modeling |
EUR per well |
All types |
5% |
NI |
5% |
NI |
|
6. More Effective, Lower Damage |
EUR per well |
All types |
10% |
5% |
10% |
5% |
|
Optimization and Cost Reduction Technology |
||||||
|
3. Advanced Well Performance |
Reserve growth |
Tight gas sands |
2.0% per year |
2.0% per year |
3.0% per year |
1.0% per year |
|
Reserve growth |
Coalbed methane |
3.0% per year |
3.0% per year |
4.5% per year |
1.5% per year |
|
|
Reserve growth |
Gas shales |
3.0% per year |
3.0% per year |
4.5% per year |
1.5% per year |
|
|
7. Targeted Drilling and Hydraulic |
Cost per well |
All types |
-10% |
-10% |
-15% |
-5% |
|
8. New Practices and Technology |
Cost per Mcf |
All types |
-20% |
-20% |
-30% |
-10% |
|
Access to Resources |
||||||
|
11. Mitigation of Environmental |
Acreage available |
All types |
Removed in 50 years (1%/yr) |
NI |
Removed in 25 years (2%/yr) |
NI |
|
Exploration/Breakthrough Technology |
||||||
|
4. Advanced Exploration and |
E/D success rate |
All types |
+0.25% per year from 2000 |
NI |
+0.50% per year from 2000 |
NI |
|
Exploration efficiency |
All types |
Identify best 30% by 2017 |
NI |
Identify best 30% by 2007 |
NI |
|
|
9. Advanced Well Completion Technologies |
||||||
|
Horizontal Wells |
Recovery efficiency |
Tight gas sands |
+10% in 2011 |
NI |
+15% in 2011 |
NI |
|
Advanced Cavitation |
EUR per well |
Coalbed methane |
+20% in 2011 |
NI |
+30% in 2006 |
NI |
|
Multilateral Completions |
Recovery efficiency |
Gas shales |
NI |
NI |
+15% in 2011 |
NI |
|
10. Other Unconventional Gas |
EUR per well |
Tight gas sands |
+10% in 2021 |
NI |
+10% in 2016 |
NI |
|
Enhanced Coalbed Methane |
Recovery efficiency |
Coalbed methane |
+30% in 2015 |
NI |
+45% in 2010 |
NA |
|
Enhanced Coalbed Methane O&M |
Cost per Mcf |
Coalbed methane |
$1.00 per Mcf, incremental |
NA |
$0.75 per Mcf, incremental |
NA |
|
Other Technology |
Gas shales |
NA |
NA |
NA |
NA |
|
|
NA = not available. NI = no improvement. |
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File last modified: August 18, 2000
URL: http://www.eia.doe.gov/oiaf/servicerpt/depletion/table_e4.html
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