WAIS Document Retrieval[Code of Federal Regulations] [Title 43, Volume 2] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR3137.88] [Page 404] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER II--BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR PART 3130_OIL AND GAS LEASING: NATIONAL PETROLEUM RESERVE, ALASKA-- Table of Contents Subpart 3137_Unitization Agreements_National Petroleum Reserve-Alaska Sec. 3137.88 What happens when a well outside a participating area does not meet the productivity criteria? If a well outside any of the established participating area(s) does not meet the productivity criteria, all operations on that well are non- unit operations and we will not revise the participating area. You must notify BLM within 60 calendar days after you determine a well does not meet the productivity criteria. You must conduct non-unit operations under the terms of the underlying lease or other federally-approved cooperative oil and gas agreements.