Hydraulic Fracturing - Independent Petroleum Association of America

Hydraulic Fracturing
What is fracking?
Hydraulic fracturing, or “fracking” as it is more commonly known, is just one small method of the broader process of unconventional development of oil and natural gas. Fracking is a proven drilling technology used for extracting oil, natural gas, geothermal energy, or water from deep underground. Fracking has been safely used in the United States since 1947. More than 1.7 million U.S. wells have been completed using the fracking process, producing more than seven billion barrels of oil and 600 trillion cubic feet of natural gas.
Put simply, hydraulic fracturing is the process of injecting liquid and materials at high pressure to create small fractures within tight shale formations to stimulate the production and safely extract energy from an underground well after the drilling has ended and the rig and derrick are removed from the site. The process takes about three to five days, on average, to complete from start to finish. Once the fracturing operation is finished, the well is considered “completed” and is now ready to safely produce American oil or natural gas for years, even decades, to come.
Fracking is a uniquely American success story that has provided immense benefits around the nation. By safely unlocking America’s abundant natural resources, fracking has created millions of American jobs, reduced energy prices, brought cleaner air by significantly reducing U.S. greenhouse gas emissions to 25-year-lows, strengthened our national security, and transformed the United States into a global energy superpower.
Facts About Fracking
How has fracking impacted U.S. oil and natural gas production?
In roughly a decade’s time, advances in fracking technology have reversed the United States’ trajectory from that of energy scarcity to being “the undisputed leader of oil and gas production worldwide,” according to International Energy Agency Executive Director Fatih Birol.
From 2007 to 2016, annual U.S. oil production increased 75 percent, while natural gas production increased 39 percent, thanks to the advancements in horizontal drilling and fracking technology.
How many American jobs has fracking created?
Millions. A 2015 Harvard Business School/Boston Consulting Group analysis estimates that shale development created roughly 2.7 million U.S. jobs in the first decade of the shale revolution. A 2013 study, commissioned by the U.S. Chamber of Commerce, projected fracking will create a total of 3.5 million U.S. jobs by 2035. A separate 2017 American Petroleum Institute (API) report found that the oil and natural gas industry supports 10.3 million jobs in the U.S. — a 500,000 increase since 2011 — and projects the industry will support an additional 1.9 million jobs by 2035.
Is fracking a threat to public health?
No. In fact, there is ample evidence that increased natural gas use — made possible by fracking — has improved public health by dramatically improving air quality in recent years. This is not to say there are no risks, but the full body of research on this issue shows that those risks are manageable.
Several state departments of environmental protection have also installed air monitors at well sites and found that emissions during oil and natural gas development do not exceed public health thresholds. For example, the Colorado Department of Public Health and the Environment released a 2017 report that found a “low risk of harmful health effects from combined exposure to all substances during oil and gas development.” In contrast, many of the most headline-grabbing studies linking fracking to health issues have been plagued by questionable methodologies and contradictory results. Visit EIDHealth.org for more information.
Does fracking threaten groundwater?
No. And you don’t have to take our word for it. No fewer than two dozen scientific studies have concluded that fracking does not pose a major threat to groundwater. Most notably, a landmark 2016 U.S. Environmental Protection Agency study concluded that, “[H]ydraulic fracturing operations are unlikely to generate sufficient pressure to drive fluids into shallow drinking water zones.” The EPA reached this conclusion even after expanding the definition of fracking to include a wide range of other oilfield activities, demonstrating the safety of the entire development process.
Does fracking cause earthquakes?
Very rarely. Although induced seismicity (particularly in Oklahoma) has made headlines in recent years, earthquakes attributable to the actual fracking process are exceedingly rare and generally below the magnitude that people can actually feel. Induced earthquakes are more commonly linked to wastewater injection — a completely separate process from fracking.
The U.S. Geological Survey maintains a useful myths and misconceptions page regarding induced seismicity. According to the USGS: “Fracking is NOT causing most of the induced earthquakes.” The USGS also notes: “Wastewater disposal is the primary cause of the recent increase in earthquakes in the central United States.”
BLM Hydraulic Fracturing Rule
The Obama administration’s Bureau of Land Management (BLM) released on March 20, 2015 its final rule regulating hydraulic fracturing activities on federal and Indian lands. As it was written, this precedent-setting regulation would be difficult and costly for small- and medium-sized businesses to comply with and would likely discourage U.S. investment and job creation in the West. IPAA and Western Energy Alliance immediately challenged the BLM hydraulic fracturing rule in the U.S. District Court of Wyoming, characterizing the federal government’s rulemaking as unsubstantiated and duplicative of states’ efforts to effectively regulate hydraulic fracturing operations. Soon after, the states of Colorado, Wyoming, North Dakota, and Utah, and the Ute Indian Tribe joined the legal challenge. States have successfully regulated more than 1.2 million hydraulic fracturing operations for 70 years and many states have recently strengthened their regulations as production has increased and technology has improved. The 2015 nationwide fracking rule is unnecessary and would add another layer of burden for America’s independent oil and natural gas producers already struggling to navigate the complex and confusing regulatory program governing federal lands.
On September 30, 2015, a judge for the U.S. District Court of Wyoming granted IPAA and Western Energy Alliance’s motion for a preliminary injunction of the rule, stating, “Congress has not authorized or delegated to the BLM authority to regulate hydraulic fracturing and, under our constitutional structure, it is only through Congressional action that the BLM can acquire this authority.” On June 21, 2016, shortly after the preliminary injunction appeal case was fully briefed, the District Court judge struck down the BLM final rule. The judge agreed with industry that BLM does not have the congressional authority to regulate hydraulic fracturing on federal lands.
As expected, the Obama administration and environmental parties on June 30, 2016 filed an appeal to the District Court’s ruling with the U.S. Tenth Circuit Court of Appeals. In September 2017, the Tenth Circuit Court dismissed the case, protecting producers from the business uncertainty of having to potentially comply with a regulation that is certain to be rewritten by the Trump administration. On December 29, 2017, President Trump’s BLM published a repeal of the Obama-era hydraulic fracturing rule, which took immediate effect and ended the Tenth Circuit Court appellate case. On January 28, 2018, the state of California as well as the Sierra Club sued the BLM over the repeal of the 2015 rule in the U.S. District Court for the Northern District of California. IPAA and Western Energy Alliance have filed for intervention on behalf of the federal government as well as filed a motion for venue transfer back to Wyoming.
Scientific Studies
More than 25 scientific, peer-reviewed studies and expert assessments have concluded that hydraulic fracturing is not a major threat to groundwater. In fact, many studies have examined groundwater pollution and specifically ruled out fracking as the cause. View the links below to learn more about each scientific study:
“The most interesting thing we discovered was the groundwater chemistry in one of the areas most heavily developed for shale gas – an area with 1400 new gas wells – does not appear to be getting worse with time, and may even be getting better.”
“Direct migration of contaminants from targeted injection zones is highly unlikely to lead to contamination of potential drinking water aquifers.” (p. 128)
“In a study of 211 ground water contamination incidents in Texas associated with oil and gas activity (Kell, 2011) only 10 incidents were associated with well drilling and completion and none were associated with stimulation (hydraulic fracturing).” (p. 123)
“All the samples fell within the clean water range and they did not find any changes over time either in any of our homes during the time series of fracking. We never saw a significant increase in methane concentration after (the) fracking well was drilled. There was no significant change in methane concentration over time, even as more and more natural gas wells were drilled in the area.” (Video presentation on study by lead researcher Dr. Amy Townsend Small).
“We found no positive relationship between CH4 concentration in groundwater and proximity to active gas well sites, and we found no significant change in CH4 concentration, isotopic composition of CH4, pH, or conductivity in water wells during the study period.” (Study abstract)
“All elements of the study point to natural methane contamination in the Parker-Hood cluster.” (p. vii)
“Overall the source of the dissolved methane is likely natural sourced from shallow natural gas accumulations in the Barnett Shale, lignite beds associated with a fault in the Haynesville shale, and lignite and degradation of oil and deep organic matter associated with a fractured zone in the Eagle Ford Shale. The Delaware Basin samples show no dissolved methane other than associated to a recent blowout.” (p. iii)
“Without a proper understanding of preexisting methane occurrence in groundwater, investigations may incorrectly conclude that unconventional hydrocarbon development and production has altered shallow groundwater quality when it has not (i.e. a false positive).” (p. 2)
“Evidence does not indicate that hydraulic fracturing fluids have risen to shallow depths intersected by water-supply wells. Also, based on an evaluation of hydraulic fracturing history, and methods used in the Pavillion Gas Field, it is unlikely that hydraulic fracturing has caused any impacts to the water-supply wells.” (Study fact sheet)
“To date, the Commission’s monitoring programs have not detected discernible impacts on the quality of the Basin’s water resources as a result of natural gas development, but continued vigilance is warranted.” (p. 8)
“There was no evidence of association with deeper brines or long-range migration of these compounds to the shallow aquifers. Encouragingly, drinking water sources affected by disclosed surface spills could be targeted for treatment and monitoring to protect public health.” (p. 5)
“We have found no evidence for direct communication with shallow drinking water wells due to upward migration from shale horizons. This result is encouraging, because it implies there is some degree of temporal and spatial separation between injected fluids and drinking water supply.” (p. 5)
“[E]xperts and government regulators have repeatedly acknowledged a lack of evidence linking the hydraulic fracturing process to groundwater contamination.” (p. 26)
Syracuse University (2015): No evidence of fracking contaminating groundwater in heavily drilled areas of Pennsylvania, West Virginia, and Ohio.
“We see no broad changes in variability of chemical quality in this large dataset to suggest any unusual salinization caused by possible release of produced waters from oil and gas operations, even after thousands of gas wells have been drilled among tens of thousands of domestic wells within the two areas studied.” (Executive Summary)
“The study found no releases of hazardous hydraulic fracturing chemicals to surface waters in California and no direct impacts to fish or wildlife.” (p. 35)
Stanford University (2015): No evidence of fracking fluids leaking up into drinking water aquifers.
“Using innovative techniques such as isotopic ‘tracer’ compounds that distinguish the source of chemicals in well water, Jackson has not found evidence that frack water contaminants seep upward to drinking-water aquifers from deep underground.” (From press release)
“Current findings are: 1) no evidence of gas migration from the Marcellus Shale; and 2) no evidence of brine migration from the Marcellus Shale.” (p. 2)
“Conclusions of this study are: 1) the impact of hydraulic fracturing on the rock mass did not extend to the Upper Devonian/Lower Mississippian gas field; and 2) there has been no detectable migration of gas or aqueous fluids to the Upper Devonian/Lower Mississippian gas field during the monitored period after hydraulic fracturing.” (p. 2)
“Although preproduction water-quality data were lacking for the wells sampled for this study, geochemical data presented a well-defined pattern of geochemical evolution based on natural rock-water and microbially mediated processes, strongly suggesting that the resulting water quality is derived from these natural processes with no effects from gas-production activities.” (p. 28)
Gradient (2013): There is “no scientific basis” for the claim that fracking fluids will contaminate water aquifers.
“Overall, there is no scientific basis for significant upward migration of HF fluid or brine from formations in sedimentary basins. Even if upward migration from a target formation to potable aquifer were hypothetically possible, the rate of migration would be extremely slow and the resulting dilution of the fluids would be very large…Given the overall implausibility and very high dilution factor, this exposure pathway does not pose a threat to drinking water resources.” (p. ES-4)
“The often-postulated percolation upward of fracking water used in deep, long lateral well extensions to contaminate drinking water aquifers near the surface through the intervening impermeable rock formations is highly unlikely and has never reliably been shown to have occurred.” (p. 13)
“[T]hese findings suggest that the methane concentrations in Susquehanna County water wells can be explained without the migration of Marcellus shale gas through fractures, an observation that has important implications for understanding the nature of risks associated with shale-gas extraction.” (Study abstract)
“Our evaluation of 1701 groundwater quality analyses shows that methane is common in Susquehanna county water wells and is best correlated with topography and groundwater geochemistry, rather than shale-gas extraction activities.” (p. 15)
“Routine tests by the water purveyor show the community’s water supply meets drinking water standards, including the period of high-rate gravel packs and conventional hydraulic fracturing, as well as the first high-volume hydraulic fracture in September 2011… Before-and-after monitoring of groundwater quality in monitor wells did not show impacts from high-volume hydraulic fracturing and high-rate gravel packing.” (p. 3)
“[R]egulatory officials we met with from eight states – Arkansas, Colorado, Louisiana, North Dakota, Ohio, Oklahoma, Pennsylvania, and Texas – told us that, based on state investigations, the hydraulic fracturing process has not been identified as a cause of groundwater contamination within their states.” (p. 49)
“Neither state [Ohio and Texas] has documented a single occurrence of groundwater pollution during the site preparation or well stimulation phase of operations.” (p. 3)
“In recent years, the national debate on natural gas E&P has been focused nearly exclusively on a single, brief, yet essential activity, hydraulic fracturing. Neither state has identified hydraulic fracturing as the cause of a single documented groundwater contamination incident.” (p. 102)
“In this study, statistical analyses of post-drilling versus pre-drilling water chemistry did not suggest major influences from gas well drilling or hydrofracturing (fracking) on nearby water wells, when considering changes in potential pollutants that are most prominent in drilling waste fluids.” (p. 4)
“A supporting study for this dSGEIS concludes that it is highly unlikely that groundwater contamination would occur by fluids escaping from the wellbore for hydraulic fracturing. The 2009 dSGEIS further observes that regulatory officials from 15 states recently testified that groundwater contamination as a result of the hydraulic fracturing process in the tight formation itself has not occurred.” (p. 11)
“The protection of freshwater aquifers from fracture fluids has been a primary objective of oil and gas field regulation for many years. As indicated in Table 2.2, there is substantial vertical separation between the freshwater aquifers and the fracture zones in the major shale plays. The shallow layers are protected from injected fluid by a number of layers of casing and cement — and as a practical matter fracturing operations cannot proceed if these layers of protection are not fully functional. Good oil-field practice and existing legislation should be sufficient to manage this risk.” (p. 15)
Recent Press Releases
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