Would you like to start a free subscription?
Remember me | Forgot password
For full content view: Log in Now!
Earlier this year, I wrote in this column that many Barnett Shale wells would be uneconomic (World Oil, April 2007). That conclusion was based on a high-level statistical evaluation of average annual decline rates for a relatively small number of horizontal wells, and a larger number of vertical wells. My colleague Clint Carson and I have since done individual decline curve analyses for nearly 2,000 horizontal wells. Our findings are more optimistic than the earlier assessment but still suggest that many wells in the trend will be marginally commercial at current natural gas prices.
A total of 1,966 horizontally drilled producing wells from the Barnett Shale were evaluated to determine commercial gas reserves using standard decline methods. Based on this analysis, approximately 28% of Barnett Shale wells should realize revenues that meet or exceed drilling, completion and operating costs in the most likely case...
This area of the site is restricted.
In order to gain access, please either Log
In, or subscribe to World Oil.
Two options are available to you for creating an account.
1. Get a Free Trial Subscription to World Oil Magazine and gain immediate access to select content on World Oil Online.
Start a Free Trial Subscription and gain immediate access to the complete current issue of World Oil Magazine. Plus, you’ll receive 3 upcoming issues of World Oil Magazine in print or digital format.* You also receive access to the Energy Events Calendar, Industry Statistics and WO Wire’s news and industry coverage.
2. Purchase a subscription to World Oil magazine and gain immediate
and complete access to World Oil Online. As a Total Access subscriber
you will have access to all areas of the site available to registered users and
free subscribers as well as having access to such premium content areas as:
Physical copies of this content may be available for purchase. Visit the Reprints & Back Issues section.
If you are already a paid subscriber and do not have access, please email CustomerService@worldoil.com.
World Oil's specialized upstream Engineering Data Tables featuring the Drill Bit Classifier, Tubing Tables and more. Get Total Access today.
New Delhi - January 11-14
Muscat - January 26-29
Bogota - January 28-29
All material subject to strictly enforced copyright laws.
© 2014 World Oil. © 2014 Gulf Publishing Company.