Would you like to start a free subscription?
Remember me | Forgot password
For full content view: Log in Now!
Airborne surveys mapped conductivity to help USGS researchers find areas of high salinity in and near East Poplar oil field in northeastern Montana. Beginning in 1976, the US Geological Survey (USGS) has assessed and mapped groundwater resources at the Fort Peck Indian Reservation. Results of these studies have demonstrated that groundwater quality has been adversely affected by various land-use practices in some areas of the reservation.1 Groundwater plumes of saline water were identified in 1997 based on water well sampling, ground geophysical surveys and borehole logs.2 USGS determined that these plumes were related to handling and disposal of brine produced with oil from East Poplar Field. In August 2004, a Helicopter ElectroMagnetic (HEM) survey was conducted over the oil field to better define possible subsurface plumes. The airborne EM measurements greatly expanded data collected from previous ground EM surveys and have helped USGS to understand the sources of anomalies and to define possible flow paths.
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.
Aberdeen - December 2-3
Calgary - December 8-8
Mangaf - December 8-10
All material subject to strictly enforced copyright laws.
© 2014 World Oil. © 2014 Gulf Publishing Company.