Abandoned Wells in PA: What is a Reasonable Estimate?

Studies estimate there are over 3,000,000 abandoned wells in the US, and up to 750,000 in PA alone. Dr. Terry Engelder discusses determining the number of abandoned wells in PA
Abandoned Wells in PA: What is a Reasonable Estimate? - Webinars
Skill Level: Intermediate
Length: 1 hour
Language: English
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Starting at FREE

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Description

Studies estimate there are over 3,000,000 abandoned wells in the US, and up to 750,000 in PA alone. Questions have arisen on how much methane abandoned wells contribute to the atmosphere, as discussion on methane leakage from unconventional well development versus CO2 release from coal fired power plants continue.

Dr. Terry Engelder, Professor Emeritus, Penn State Department of Geosciences, will be discussing research on determining the number of abandoned wells in Pennsylvania as well as what the effects these wells may have on the atmosphere during this month’s shale webinar.

The historical and digital records are underreported, and Dilmore et al. (2015) estimate that there is a possibility of 390,000 well completions for an underreporting factor of approximately 1.2. Using a model presuming that waterflood wells were not part of the historic record, Kang et al. (2016) revised the total wells in Pennsylvania upward to 750,000 wells. Engelder’s webinar will examine the details behind these two estimates and conclude that the lower estimate is probably closer to the truth.

PA law defines an abandoned well as “Any well that has not been used to produce, extract or inject any gas, petroleum or other liquid within the preceding 12 months. The concerned with abandoned wells is that if methane was harmful to the atmosphere, leaking of abandoned wells might be a serious national problem. In Pennsylvania estimates for abandoned wells are difficult to make because many wells were drilled before 1957 were neither reported to the authorities nor recorded by the state record keepers.

Who is this for?

This webinar is for all who are interested in learning more on abandoned gas wells in Pennsylvania

What will you learn?

PA law defines an abandoned well as “Any well that has not been used to produce, extract or inject any gas, petroleum or other liquid within the preceding 12 months. The concerned with abandoned wells is that if methane was harmful to the atmosphere, leaking of abandoned wells might be a serious national problem. In Pennsylvania estimates for abandoned wells are difficult to make because many wells were drilled before 1957 were neither reported to the authorities nor recorded by the state record keepers. Dr. Engelder will discuss determining an accurate estimate of abandoned wells.

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