### Question
What is the definition of unconventional natural gas and other petroleum resource?


### Answer
The definition of **unconventional natural gas and other petroleum resource** is as follows in *42 U.S.C. § 16377*:

> natural gas and other petroleum resource located onshore in an economically inaccessible geological formation, including resources of small producers

#### Citation:
  - *42 U.S.C. § 16377*
  - Heading: **CHAPTER 149-ENERGY POLICY, 2005 > SUBCHAPTER IX-RESEARCH AND DEVELOPMENT > Part J-Ultra-Deepwater and Unconventional Natural Gas and Other Petroleum Resources**

