Anadarko Petroleum (APC) - Get Anadarko Petroleum Corporation Reportsaw its stock beaten down nearly 5% Thursday after news broke of a tragic home explosion in Firestone, Colo., 200 feet from a 1993 vintage vertical well APC operates that was drilled by a previous operator. 

In response to the April 17 explosion, the company shut in 3000 producing vertical wells that produce 13,000 barrels of oil equivalent, or boe, per day. The cause of the explosion is still unknown, but APC proactively shut in wells in cooperation with authorities while the investigation is ongoing.

In a statement issued after markets closed April 26, Anadarko Petroleum said there is still much that is not yet known regarding the potential contributing factors, but the company has been working cooperatively with fire officials and state regulatory agencies in their investigations since the time of the accident.

"This terrible tragedy has left all of us with heavy hearts, and the families and their loved ones are in our thoughts and prayers," Anadarko CEO Al Walker said in the statement. "Words cannot express how saddened we are that this occurred in a community where many of our employees, their families, and friends live and work. We share the community's gratitude for the courageous response of neighbors and nearby construction crews who quickly came to the aid of the family, as well as the first responders and others who made sure surrounding homes were kept safe."

Capital One Securities analysts wrote in a Thursday, April 27, research note that the firm would maintain its current estimates for the company until it receives more color when APC reports earnings next Wednesday, May 3.

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A consensus of analysts surveyed by FactSet expects Anadarko to report a loss of 23 cents per share on revenues of $2.7 billion. It would be the seventh consecutive quarterly loss for APC since it eked out a 1 cent profit in the second quarter of 2015.  The company is, however, expected to report year-over-year earnings and revenue growth of 79.5% and 59.5%, respectively-- a positive sign amid an otherwise tepid outlook during this persisting commodity downturn. 

The analysts said the shut in Wattenberg wells account for roughly 2% of APC's company-wide production. Anadarko said it anticipates two to four weeks of downtime, depending on the weather. 

Assuming a four-week outage, Capital One suggests the shut-in will negatively impact the firms second quarter production estimates of 645,000 boe per day by about 0.7% and its fiscal 2017 estimates of 695,000 boe per day by a "negligible" 0.2%. 

Nevertheless, the explosion had investors spooked Thursday, sending Anadarko's shares down 4.7% to $57.13 apiece from their previous close of $59.96 per share.

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