2014

W&T Offshore Announces Deep Shelf Subsalt Discovery at Ship Shoal 349

HOUSTON, July 25, 2013 /PRNewswire/ -- W&T Offshore, Inc. (NYSE: WTI) announced today that it has made a subsalt discovery in a deep shelf exploratory target beneath its Ship Shoal 349 "Mahogany" Field.  The SS 359 A-14 well has exceeded our expectations and is currently producing from the targeted T-Sand (in excess of 17,200' total vertical depth), at an initial flow back rate of 3,030 barrels of oil per day and 5.6 million cubic feet of gas per day, for a total of approximately 4,000 barrels of oil equivalent (Boe) per day (3,310 Boe per day net of royalty to W&T) with a flowing tubing pressure of approximately 9,400 psi surface pressure.  The T-Sand is the deepest sand discovered in this field, as there is additional pay identified in the M-Sand, N-Sand, and O-Sand, all of which represent future reserve additions to the Company.  The well also penetrated a thicker than expected P-sand interval (the main field pay sand) which will also serve as a future recompletion.  In total, the A-14 well logged over 370 feet of net oil pay, with the T-Sand accounting for 108 feet of the total net pay.  Success from the A-14 T-sand will stimulate additional drilling in 2014 to exploit the four newly discovered oil sands that were encountered in the A-14 well.  W&T holds a 100% working interest in the field.

Tracy Krohn, W&T Offshore's Chairman and CEO, stated, "Our exploration team utilized our subsalt imaging technology to identify and deliver this subsalt discovery which is a deep shelf exploration extension to our producing Mahogany Field.  This new oil discovery is part of our organic growth plan and adds substantial value to the Company.  We found a very high quality oil sand in the T-sand reservoir with great flow characteristics.  Another key value driver on this project is our ability to produce this discovery immediately through our existing infrastructure at Mahogany.  We are evaluating additional targets in this highly prolific field based upon our continuing success and look forward to our next exploratory well at Mahogany, the A-15 well, which should begin drilling in in September."    

The platform rig at Mahogany is currently working on a major recompletion in the A-4 well, designed to bring a behind pipe P-Sand interval into production at an expected rate of 1,000 Boe per day, net of royalties to W&T with an anticipated production date of August or September.  Following the A-4 recomplete we expect to spud the A-15 subsalt exploratory well, a multi-horizon target that is anticipated to encounter multiple stacked oil sand targets.  The A-15 well is scheduled to reach total depth near the end of 2013 or early 2014 with a target IP rate of 1,390 Boe per day, net of royalty to W&T.  The unrisked reserve potential associated with the A-15 well is anticipated to be in the range of 1.8 to 6.2 million Boe. 

About W&T Offshore
W&T Offshore, Inc. is an independent oil and natural gas producer with operations offshore in the Gulf of Mexico and onshore in both the Permian Basin of West Texas and in East Texas.  We have grown through acquisitions, exploration and development and currently hold working interests in approximately 71 offshore fields in federal and state waters (65 producing and six fields capable of producing).  W&T currently has under lease over 1.4 million gross acres including over 710,000 gross acres on the Gulf of Mexico Shelf, over 480,000 gross acres in the deepwater and over 220,000 gross acres onshore in Texas. A substantial majority of our daily production is derived from wells we operate offshore.  For more information on W&T Offshore, please visit our website at www.wtoffshore.com.

CONTACT:

Mark Brewer

Danny Gibbons


Investor Relations

SVP & CFO


investorrelations@wtoffshore.com

investorrelations@wtoffshore.com


713-297-8024

713-624-7326

SOURCE W&T Offshore, Inc.



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http://www.wtoffshore.com

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