
 
 
June 15, 2022
The Federal Role in Orphan Oil and Gas Well Reclamation
Production of oil and gas in the United States began in the 
issued at the federal or state level that governs all aspects of 
late 19th century and continues to contribute to meeting U.S. 
an oil and gas operation. Other permits also may be 
fuel and petrochemical demands. Over time, federal and 
required to ensure compliance with other requirements that 
state requirements were put in place to manage such aspects 
govern particular facets of an operation, such as air quality 
of oil and gas development as siting, safety, emissions, and 
and water quality permits. 
reclamation. Prior to federal and state regulations, many oil 
and gas wells were “orphaned,” or left unreclaimed. In 
On federal lands, oil and gas operators are required to 
many cases, particularly for early oil and gas development, 
provide a surface use plan prior to construction at the site to 
little is known about the status, location, and depth of those 
identify how the site will be disturbed and reclaimed, as 
wells. Additionally, more recent oil and gas wells, 
part of the permit issued by BLM. Federal requirements for 
operating subject to federal or state regulation, could 
oil and gas well sites may include capping the well, the 
become orphaned if a well operator is unwilling or 
removal and disposal of equipment and wastes, the 
financially unable to complete reclamation of a well site 
regrading and contouring of the site, and revegetation of the 
that has ceased production operations. The federal role in 
well pad and related disturbed lands. As part of a federal 
reclaiming orphan oil and gas wells has been limited to 
permit, BLM requires an operator to provide a bond, or 
wells located on federal lands. In the 117th Congress, the 
financial assurance, which could be forfeited to BLM to 
Infrastructure Investment and Jobs Act (IIJA; P.L. 117-58) 
complete the reclamation if the operator does not complete 
expanded the federal role in reclaiming orphan oil and gas 
the reclamation requirements. In the event that the bond is 
wells by increasing funding for the federal reclamation 
not sufficient, the ability of BLM to complete the site 
program and establishing a grant program to assist state and 
reclamation would depend on its federal land management 
tribal orphan well programs. This In Focus discusses the 
authorities and funding. On nonfederal lands, state or tribal 
federal and state roles in permitting wells, background of 
reclamation and bonding requirements may vary or be 
orphan oil and gas wells, potential environmental impacts, 
similar in scope and purpose to federal requirements, 
and related provisions in the IIJA. 
depending on their respective laws and regulations. 
Federal and State Roles in Permitting Oil  Orphaned Wells Background 
and Gas Wells 
In general, oil and gas wells may become orphaned under 
The scope of regulations that govern oil and gas well 
two differing sets of circumstances, depending on whether 
operations may vary from one operation to another 
the well operated prior to federal or state regulation. First, 
depending on the applicability of federal, state, or local 
operators of oil and gas wells may have left these sites 
regulations to specific activities, and the regulatory 
abandoned or unreclaimed years or decades prior to the 
jurisdiction in which an operation is located. Congress has 
development of federal or state permitting and reclamation 
not authorized nationwide federal requirements for 
requirements. Wells that operated prior to regulation 
permitting and reclaiming oil and gas wells. Under current 
sometimes are referred to as “legacy” wells. As of 2016, the 
law, the federal role for permitting oil and gas wells or 
U.S. Environmental Protection Agency (EPA) estimated the 
reclaiming orphan wells is generally limited to those on 
total national inventory of orphan oil and gas wells was 
federal lands. The Bureau of Land Management (BLM) of 
3.11 million, but EPA noted other researchers have 
the U.S. Department of the Interior (DOI) is the principal 
estimated that the inventory of orphan wells ranged 
permitting agency for oil and gas production operations on 
between 2.1 million to 3.0 million at that time. Although 
federal onshore lands pursuant to the Mineral Leasing Act 
EPA has estimated the national inventory of orphan oil and 
of 1920, as amended, and certain other authorities. The 
gas wells, the actual number, geographic location, and 
scope of reclamation of oil and gas wells in the regulations 
condition of each well and well site may not be fully 
includes plugging and capping the well, as well as 
understood. Because of the lack of information collected 
reclaiming any equipment and land disturbances at the site 
prior to regulation, federal and state agencies have faced 
resulting from the production operations. On nonfederal 
challenges in estimating the numbers, locations, and 
lands, a state or tribe would be primarily responsible for 
conditions of these “legacy” orphan wells within their 
permitting oil and gas wells or reclaiming orphan wells 
respective jurisdictions.  
within their respective jurisdictions under their own laws, 
regulations, and programs. Compliance with federal and 
For more recent operations subject to federal or state 
state regulatory requirements is enforced mostly through 
regulation, an oil and gas well could become orphaned if a 
permits. Performing oil and gas operations without the 
well operator does not complete the site reclamation 
requisite permits is unlawful and may be subject to 
following production operations. In those instances, 
enforcement by federal or state regulators, depending on 
completing the well site reclamation may become the 
their respective jurisdictions. There is no singular permit 
responsibility of the federal or state regulatory authority 
https://crsreports.congress.gov 
The Federal Role in Orphan Oil and Gas Well Reclamation 
depending on whether the site is located on federal or 
as threats of potential combustion or land that may be 
nonfederal land, respectively. Generally, a bond is required 
unsuitable in its present condition for redevelopment.  
as a condition for the issuance of a permit to operate an oil 
or gas well, which would be forfeited to the regulatory 
Infrastructure Investment and Jobs Act 
agency to complete the well site reclamation if the operator 
Section 40601 of the IIJA expanded the federal role in 
does not complete the permit requirements. In the event that 
orphan oil and gas well reclamation by providing $4.68 
the bond is not sufficient to complete site reclamation, the 
billion in supplemental appropriations for the federal 
remainder of the well reclamation may be subject to the 
reclamation program and grants to state and tribal programs 
availability of additional resources. The availability of 
to complete reclamation within their respective 
funds for sites located on nonfederal land generally would 
jurisdictions. The cost to reclaim an orphan well site may 
depend on the resources of the state or tribe with 
vary considerably, depending on the site-specific 
jurisdiction of the site. Funding for sites located on federal 
conditions. Some researchers have estimated the median 
land generally would be subject to annual appropriations to 
cost to plug and reclaim an orphan well site at $76,000, and 
federal land management agencies for well site reclamation. 
assert certain orphan well sites may exceed $1 million. The 
extent to which the IIJA funding would be sufficient to 
In September 2019, the Government Accountability Office 
reclaim the inventory of orphan wells would depend on the 
(GAO) issued a report that examined the adequacy of oil 
site-specific costs for a well site, the actual inventory of 
and gas well reclamation bonds at sites located on federal 
wells, and the implementation of reclamation programs. Of 
lands. GAO reported that BLM identified 89 oil and gas 
the total appropriation provided in Section 40601 of the 
wells that were newly orphaned between July 2017 and 
IIJA, Congress appropriated funding for grants for various 
April 2019, and that BLM estimated $46 million in 
purposes, which are briefly described below.  
reclamation costs for these 89 wells. GAO observed that 
Federal Program—$250 million. The $250 million 
operators may leave a site unreclaimed, as the “bonds have 
appropriations for DOI to carry out orphan oil and gas well 
not prevented orphaned wells because bond values may not 
reclamation on federal lands. 
be high enough to cover the potential reclamation costs for 
Initial Grants to States—$775 million. Initial grants to 
all wells under a bond, as may be needed if they become 
states would support administrative actions necessary to 
orphaned.” GAO recommended that Congress consider 
assess and update the inventory of their orphan well sites, 
authorizing an additional mechanism to recover funds from 
prepare applications for obtaining formula and performance 
orphan well operators if a bond proves insufficient to pay 
grants, and would be used to carry out the activities under 
the reclamation costs. Additionally, GAO recommended 
those grants. Each state may request up to $25 million for 
that BLM adjust bond levels to more accurately reflect the 
these grants, subject to the Secretary of the Interior’s 
costs to complete site reclamation. States and tribes may 
approval. 
face similar issues at former well sites on nonfederal lands, 
Formula Grants to States—$2 billion. The amount a state 
depending on the adequacy of their respective bonding 
receives for a formula grant would be dependent upon the 
requirements if a well site operator does not complete the 
factors considered in the state’s application. Congress 
reclamation, and the availability of other resources if a bond 
prescribed those factors in the IIJA as oil and gas industry 
proves insufficient to cover the costs.  
job losses between March 1, 2020, and November 15, 2021, 
and the amount of documented orphan oil and gas wells in 
Potential Environmental Impacts 
the state. To be eligible to receive a formula grant, a state 
Stakeholders have expressed concerns regarding the 
must submit an application documenting, among other 
environmental impacts of orphan oil and gas wells, 
information, the state program’s current authorities and 
including the threat of contamination to adjacent 
activities, activities to be carried out using the formula 
groundwater, the release of fugitive greenhouse gas (GHG) 
grants, and the means by which reclamation activity 
emissions (i.e., methane and CO2) from uncapped or 
information are made public. 
partially capped wells, and potential public safety hazards. 
Performance Grants to States—$1.5 billion. Performance 
For orphan oil and gas wells abandoned decades ago, prior 
grants consist of two types of grants, regulatory 
to establishment of applicable regulations, potential 
improvement grants and matching grants. Regulatory 
environmental and public safety issues may not become 
improvement grants are subject to the demonstration that 
apparent until years or decades after abandonment. The 
the state has, within a 10-year period after the initial grant 
type and magnitude of environmental impacts and potential 
application, strengthened state plugging and reclamation 
risks would depend on a host of site-specific factors, such 
standards and financial assurance mechanisms. Matching 
as the geology, the nature of the extraction operation, the 
grants would be provided in equal amounts to the difference 
design and construction of a well, and the technique and 
between the annual state spending between 2010 and 2019, 
material used to plug the well opening (if capped). While 
and the amount the state expects to spend during the fiscal 
fugitive emissions from individual orphan wells may be 
year the state receives the grant. Those grants are limited to 
relatively small compared to other anthropogenic 
a cumulative total of $30 million per state from FY2022 to 
greenhouse gas sources, some have expressed concern 
FY2031.  
about the cumulative emissions from all orphan wells 
Tribal Orphan Well Reclamation—$150 million. Tribal 
combined that may have a broader impact in terms of their 
grants are intended to address orphaned oil and gas wells on 
scale or magnitude in comparison to other sources. In 
tribal lands. An Indian tribe may apply for a grant to carry 
addition to potential environmental impacts from orphan oil 
out orphan well reclamation projects. Alternatively, an 
and gas wells, unreclaimed sites may pose safety risks or 
Indian tribe may submit an application for the Secretary to 
present economic issues among affected communities, such 
carry out reclamation on tribal lands, in lieu of a grant. 
https://crsreports.congress.gov 
The Federal Role in Orphan Oil and Gas Well Reclamation 
 
IF12134
Lance N. Larson, Analyst in Environmental Policy   
 
 
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https://crsreports.congress.gov | IF12134 · VERSION 1 · NEW