| BMP ID: |
5810 |
| Title: |
Procedures for optimizing gas and minimizing water production in multizone completions for CBM plays |
| Text: |
"Multizone completions are attractive options for extending and/or increasing existing production from declining wells via re-entry of additional zones." GST-WellDog and Black Diamond Energy found that since "historical factors governing methane production from the coal appear to overwhelm any other geologic factors when determining gas content" each coal seam in a coal bed methane (CBM) play must be analyzed individually by gas content, critical desorption pressure, and water/gas ratio when determining which coal seams to complete in a mulitzone completion. This method allows producers "to compare each seam's producibility, to identify each as a positive or negative contributor, to decide whether to allow a particular seam to remain in communication with the wellbore, or to isolate it from production. ." It also allows producers to choose additional completion zones that will maximize gas and minimize produced water. |
| Source Publication Name: |
Best Practices Guide to Optimizing Multizone Coalbed Natural Gas Well Completions |
| Citation Section: |
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| Citation Page: |
entire, quotes from iii and 14 |
| Supplemental Documents: |
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| Usage Type: |
Recommended |
| Timing: |
• Drilling
|
| Oil / Gas Field: |
POWDER RIVER BASIN |
| Surface Ownership: |
• Federal
• State
• Private
|
| Mineral Ownership: |
• Federal
• State
• Private
|
| Primary Contact: |
John M. Pope
Gas Sensing Technology Corp./WellDog
1482 Commerce Drive, Suite A
Laramie, Wyoming 82070 United States |
| Phone: | |
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Alt. Phone: | |
| Fax: | |
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E-mail: | |
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| Alternate Contact: |
Stripper Well Consortium, The Pennsylvania State University
C-211 Coal Utilization Laboratory
University Park, Pennsylvania 16802-2323 United States |
| Phone: | |
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Alt. Phone: | |
| Fax: | |
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E-mail: | |
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| Categories: |
Water Quantity and Rights
|
| Location: |
Wyoming |
| Species: |
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| Vegetation Types: |
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| General Comments: |
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| Cost-Benefit Analysis: |
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| BMP Efficacy: |
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| Date Entered: |
2009-07-09 12:32 UTC |
| Last Updated: |
2009-08-28 10:26 UTC |
