Marcellus Shale | Southwestern Energy

The Devonian-aged Marcellus Shale runs about 600 miles across Pennsylvania.

Southwestern began leasing in northeastern Pennsylvania in 2007 and at December 19, 2011, the company had approximately 181,500 net acres in Pennsylvania.
Southwestern has participated in a total of 40 wells in northeast Pennsylvania, of which 18 were producing and 22 were in progress at September 30, 2011. The producing wells are all operated Marcellus Shale wells located in its Greenzweig area in Bradford County. Net production from the area was 7.4 Bcf and 15.2 Bcf for three months and nine months ending September 30, 2011, respectively, compared to 0.2 Bcf and 0.2 Bcf for the same periods in 2010, respectively. As of October 27, 2011, the company was running 2 drilling rigs in Susquehanna County.
As of October 27, 2011, the company is in the process of completing a five-well pad in its Greenzweig area in Bradford County which is expected to be placed on production in November. The company also noted that the Ball Myer 1H well which was placed on production on June 23, 2011 is currently producing at a tubing constrained rate of approximately 8.2 MMcf per day at a flowing tubing pressure of 1,300 psi after 120 days of production. This well had a completed lateral of 4,502 feet and was fracture stimulated in 19 stages. In total, the company’s 17 horizontal wells have average completed lateral lengths of approximately 3,849 feet and have averaged 10.8 stages of completion. As of October 27, 2011, gross operated production from the area was approximately 110 MMcf per day.
In 2011, Southwestern expects to invest approximately $290 million and participate in 37 gross wells. In 2012, the company plans to begin the year drilling with two operated rigs and end the year with four operated rigs and plans to invest $530 million and participate in a total of 80 to 85 gross wells, all of which will be operated.

Last Updated on 12/21/2011