Would you like to start a free subscription?
Remember me | Forgot password
For full content view: Log in Now!
Recent conventional wells drilled around the Chacahoula Salt Dome field in South Louisiana have been drilled directionally from central pads to preserve wetlands. These wells often encounter borehole instability and lost circulation. Some take multiple sidetracks to reach the target, and others are abandoned before reaching target depth.
Two wells were drilled with Casing While Drilling (CWD) technology in mid-2005 to depths similar to those of conventionally drilled offset wells. Both wells successfully reached the target formations. The second well delivered a 25% savings based on the average offset cost.
The CWD wells used rotary steerable directional technology for deviation control through the steeply dipping beds. Operations conducted through the casing drillstring included a plugback and sidetrack and two fishing operations for failed downhole tools. These operations were performed without tripping the casing out, showing the versatility of CWD.
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.