Would you like to start a free subscription?
Remember me | Forgot password
For full content view: Log in Now!
There’s been a not-so-quiet “revolution” going on in land-based seismic acquisition equipment over the past few years. It’s wireless acquisition. Actually, it’s been ongoing for about a decade in various ways. Fairfield’s “The Box” was one of the first to have some wireless aspects. Its primary use is for transition zones and it is still in use today.
The term “wireless” can mean many things. As it implies, of course it means a reduction in wires. But power-supply methods and requirements, and data-transfer methods, speeds and protocols all vary considerably across the various technologies.
A typical wireless unit has a battery pack, which may be of several types (e.g., alkaline, lithium ion, metal hydride), a non-volatile flash memory, a micro-processor, a GPS unit and a radio. A short wire connects the geophone sensor to the unit.
Data transmission can occur at radio frequencies but often remains in storage within the field unit...
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.
Wichita Falls, TX - April 22-23
Bucharest - April 28-30
Houston, TX - May 5-8
All material subject to strictly enforced copyright laws.
© 2014 World Oil. © 2014 Gulf Publishing Company.