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Definitions
Active Oil and Gas Bearing Formations in Michigan
Antrim Shale
Ageological formation saturated with natural gas that lies 1,400 to 1,800 feet below the surface. Stretching in
an arc through Michigan's Lower Peninsula, Antrim Shale has an exceptionally high success rate. More than
90% of the wells drilled into the formation yield marketable quantities of gas.
- Problems -
Extent of Antrim Development--Since the late 1980s, more than $1.5 billion has been spent in northern
Michigan to drill more than 6,000 active Antrim gas wells, build scores of processing plants, lay hundreds of
miles of pipelines, and construct new roads, making Michigan the nation's most active natural gas drilling
state. State estimates range from 2,200 to 3,600 wells on state forest land. The development was spurred by a
federal tax credit that now is worth an estimated $125 million annually to investors in the Antrim gas fields.
Community Effects -- Noisy compressing stations built close to homes have diminished property values and
disrupted the quality of life. Studies by the state and private groups found that
companies did not adequately restore drilling sites, and there are significant concerns about what will happen
when the wells run dry.The state requires only that companies post a reclamation bond of no more than
$250,000 for all the wells they own in Michigan, an amount that is too low to clean up just one moderately
contaminated site.
Niagaran-Salina
The Niagaran-Salina formation, which lies some 5,000 feet below the surface, runs in a nearly straight line
from south of Ludington on Lake Michigan to Rogers City on Lake Huron. The 20-mile wide formation was
extensively developed for oil and gas, including in the Pigeon River Country State Forest, starting in the early
1970s. Unlike the Antrim wells, many Niagaran wells contain moderate to high concentrations of hydrogen
sulfide, a poisonous gas that has a distinctive "rotten egg" odor.The drilling waste from Niagaran wells often
contain high concentrations of hydrocarbons and chlorides.
State Regulatory Structure
Department of Environmental Quality Role
Michigan law gives the Supervisor of Wells (the Director of the DEQ) authority to oversee most aspects of oil
and gas development under Part 615, Public Act 451 of 1994 (formerly Public Act 61). The DEQ exercises
this authority through the Geological Survey Division using a set of administrative rules that govern permits
to locate, space and drill wells. The DEQ also oversees operation and production, disposal of waste, injection
wells, well plugging, and site restoration.
- Problems -
Conflict of Interest --The oil and gas oversight section of the Geological Survey Division is mostly funded
by oil and gas revenues. The current funding formula is a built-in conflict of interest, because the state
government is simultaneously the promoter, a direct beneficiary, and the primary regulator of the oil and gas
industry.
Lack of Oversight --Budget cuts have reduced the GSD staff from 128 persons in 1986 to 63 in 1996. This
decrease occurred as more than 6,000 Antrim gas wells were drilled in northern Michigan. The staff cuts have
resulted in less oversight of the oil and gas industry. Results of a recent GSD review show that in 1994 and
1995, the field staff actually carried out only one of five planned well site inspections, and completed less
than half of the planned inspections for production facilities.
Lack of Local Government Involvement --In 1990 the Michigan Supreme Court established a precedent
in favor of local governments when it decided a case involving an oil processing plant in Addison Township,
Oakland County.The Court, by a vote of 6-1, said that the state's exclusive jurisdiction "applies only to oil
and gas wells, and does not extend to all aspects of the production process."
However, the oil and gas industry and the Department of Environmental Quality are fighting any effort to
change the current status of the DEQ as the industry's sole regulator. Local governments are seeking to share
oversight with the state in issues involving safety, nuisance, soil erosion, and the location and operation of
roads, pipelines, and processing plants.
Department of Natural Resources Role
The State of Michigan owns a total of 5.9 million acres of mineral rights, of which 3.8 million acres are
beneath state-owned surface land, and 2.1 million acres are below privately-owned land. The Real Estate
Division of the DNR oversees the leasing of state minerals. Lease royalties are directed to the Natural
Resources Trust Fund, which is used for the purchase and management of state wild and recreational lands.
- Problems -
State Leasing --Three times in the past two years lease sales of public land for oil and gas development
have been postponed due to problems with state leasing policy that significantly reduced the amount of
royalties paid to the state. In addition, the Attorney General and the DNR currently are investigating whether
the oil and gas industry wrongfully withheld millions of dollars in royalty payments due to the public.
Natural Resources Commission
The DNR is overseen by the Natural Resources Commission, a panel of seven officials appointed by the
governor that provides advice, counsel and oversight to the DNR director. In the early 1990s, Governor John
Engler issued an executive order that stripped the Natural Resources Commission of most of its independent
authority.The commission still holds monthly public meetings and exerts considerable influence over the
agency and its director.
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