Are other countries using hydraulic fracturing for oil and gas extraction?

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A map showing the Barnett Shale assessment area in east Texas

Why have some estimates of undiscovered technically recoverable oil or gas changed so much from previous estimates?

Petroleum geologists have long known that oil and gas resources were present in “tight” or impermeable formations such as shale. But there was no feasible way to extract that oil and gas, so they were not “technically recoverable” and were not included in USGS assessment results. Thanks to new technologies, oil and gas can now be extracted from “...

$Map showing percentage of hydraulically fractured wells$

Where in the United States is hydraulic fracturing being used for oil and gas extraction?

Hydraulic fracturing is used in many established oil and gas producing regions of the country as well as some areas new to the petroleum industry. Maps of major shale gas, tight gas, and tight oil basins are available from the U.S. Energy Information Administration, although not all of the shale basins shown currently have production.

Image shows a drill rig against blue mountains

Who is responsible for monitoring the issues associated with hydraulic fracturing and protecting our environment?

Individual states regulate many aspects of oil and gas exploration and production. Federal land managers, such as the Bureau of Land Management (BLM), the U.S. Forest Service (USFS), and the U.S. Fish and Wildlife Service (USFWS) have some oversight of oil and gas activities on the lands they manage. This includes conducting environmental impact...

When did hydraulic fracturing become such a popular approach to oil and gas production?

Hydraulic fracturing in vertical wells has been used for over fifty years to improve the flow of oil and gas from conventional reservoirs. However, the current practice of horizontal drilling coupled with multiple applications of hydraulic fracturing in a single well was pioneered in the late 1980s and has continued to evolve. Since the final...

$Generalized image showing the key points in hydraulic fracturing$

What is hydraulic fracturing?

Hydraulic fracturing, informally referred to as “fracking,” is an oil and gas well development process that typically involves injecting water, sand, and chemicals under high pressure into a bedrock formation via the well. This process is intended to create new fractures in the rock as well as increase the size, extent, and connectivity of...

What is in the fluid injected into the ground during hydraulic fracturing?

In general, hydraulic fracturing fluid is composed of water, proppant (typically sand), and chemicals. A public website known as FracFocus has been established by industry that lists specific materials used in many, but not all, hydraulically fractured wells. Individual companies select a few chemicals to be used from hundreds that are available...

Image shows USGS scientists standing beside a drill rig in protective gear.

What is the USGS role related to hydraulic fracturing?

The USGS is a science research agency with no regulatory, land management, or enforcement powers. This includes: research and assessments on the location, quantity, and quality of unconventional oil and gas resources whose production could involve hydraulic fracturing. Resource assessments estimate the quantity of oil and gas that is yet to be...

Image: Withdrawing Water for Hydraulic Fracturing

How much water does the typical hydraulically fractured well require?

There isn’t really a “typical” fractured well because the amount of water used depends on the rock formation, the operator, whether the well is vertical or horizontal, and the number of portions (or stages) of the well that are fractured. In addition, some water is recycled from fluids produced by the well, so the net consumption might be smaller...

Image: Hydraulic Fracturing Operation Underway

What environmental issues are associated with hydraulic fracturing?

The actual practice of hydraulic fracturing (or “fracking”) is only a small part of the overall process of drilling, completing, and producing an oil and gas well. Environmental issues that are specifically related to hydraulic fracturing include: water availability spills of chemicals at the surface impacts of sand mining for use in the hydraulic...

Research has identified 17 areas in the central and eastern United States with increased rates of induced seismicity.

How is hydraulic fracturing related to earthquakes and tremors?

Reports of hydraulic fracturing causing felt earthquakes are extremely rare. However, wastewater produced by wells that were hydraulic fractured can cause “induced” earthquakes when it is injected into deep wastewater wells. Wastewater disposal wells operate for longer durations and inject much more fluid than the hydraulic fracturing operations...

How does hydraulic fracturing affect the surface or landscape of an area?

An area undergoing production of oil or gas using hydraulic fracturing technology shares many features with areas where conventional oil or gas is being developed, including: Roads Pipelines Compressor stations Processing facilities. Features that are unique to areas in which hydraulic fracturing is used include: Fewer but larger drilling pads,...

Image: Perforating Gun for Hydraulic Fracturing

How does hydraulic fracturing differ from traditional petroleum development methods?

In a conventional oil or gas field, where the oil or gas is in relatively porous and permeable rock (i.e. the pores are connected), the oil or gas can usually flow naturally from the reservoir rock to the wellbore. Nonetheless, a variety of techniques are often used to improve the flow of oil or gas, including hydraulic fracturing. Rock formations...

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Year Published: 2016

Geology of tight oil and potential tight oil reservoirs in the lower part of the Green River Formation, Uinta, Piceance, and Greater Green River Basins, Utah, Colorado, and Wyoming

The recent successful development of a tight oil play in the Eocene-age informal Uteland Butte member of the lacustrine Green River Formation in the Uinta Basin, Utah, using modern horizontal drilling and hydraulic fracturing techniques has spurred a renewed interest in the tight oil potential of lacustrine rocks. The Green River Formation was...

Johnson, Ronald C.; Birdwell, Justin E.; Mercier, Tracey J.; Brownfield, Michael E.

Attribution: Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin

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Johnson, R.C., Birdwell, J.E., Mercier, T.J., and Brownfield, M.E., 2016, Geology of tight oil and potential tight oil reservoirs in the lower part of the Green River Formation, Uinta, Piceance, and Greater Green River Basins, Utah, Colorado, and Wyoming: U.S. Geological Survey Scientific Investigations Report 2016–5008, 63 p., http://dx.doi.org/10.3133/sir20165008.

Year Published: 2015

Trends in hydraulic fracturing distributions and treatment fluids, additives, proppants, and water volumes applied to wells drilled in the United States from 1947 through 2010: data analysis and comparison to the literature

Hydraulic fracturing is presently the primary stimulation technique for oil and gas production in low-permeability, unconventional reservoirs. Comprehensive, published, and publicly available information regarding the extent, location, and character of hydraulic fracturing in the United States is scarce. This national spatial and temporal analysis...

Gallegos, Tanya J.; Varela, Brian A.

Attribution: Energy, Eastern Energy Resources Science Center, John Wesley Powell Center for Analysis and Synthesis, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, United States of America, John Wesley Powell Center for Analysis and Synthesis

Year Published: 1987

Interpretation of hydraulic fracturing data from Xiaguan, western Yunnan, China

Zoback, Mark D.; Springer, J.E.; Qingshan, Xiaguan; Haimson, B.C.; Lee, M.Y.; Fangquan, Li

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Interpretation of hydraulic fracturing data from Xiaguan, western Yunnan, China; 1987; OFR; 87-476; Zoback, Mark D.; Springer, J. E.; Qingshan, Xiaguan; Haimson, B. C.; Lee, M. Y.; Fangquan, Li

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$Map showing percentage of hydraulic fracturing water use$

Date published: June 30, 2015

Water Used for Hydraulic Fracturing Varies Widely Across United States

The amount of water required to hydraulically fracture oil and gas wells varies widely across the country, according to the first national-scale analysis and map of hydraulic fracturing water usage detailed in a new USGS study accepted for publication in Water Resources Research, a journal of the American Geophysical Union.

Attribution: Energy and Minerals, Energy Resources Program

Date published: May 27, 2015

Hydraulic Fracturing (Frac) Sand Sources and Production in the United States

Newly released research from the U.S. Geological Survey describes U.S. hydraulic fracturing (frac) sand deposits and their locations, and provides estimates of frac sand production, consumption, and reserves. A companion map of producing and potential frac sand and resin-coated sand source units in the conterminous U.S. is also included.

Attribution: Energy and Minerals, Mineral Resources Program, Region 3: Great Lakes, Geology, Geophysics, and Geochemistry Science Center, National Minerals Information Center

Date published: January 27, 2015

Historical Hydraulic Fracturing Trends and Data Unveiled in New USGS Publications

Two new U.S. Geological Survey publications that highlight historical hydraulic fracturing trends and data from 1947 to 2010 are now available.

Attribution: Energy and Minerals, Energy Resources Program

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March 14, 2016

Perforating Gun for Hydraulic Fracturing

Unused and spent perforating gun used in oil and gas drilling and hydraulic fracturing. The pipe on the bottom left, shows holes created by the explosive charges mounted inside the pipe.

Attribution: Energy and Minerals

March 14, 2016

Withdrawing Water for Hydraulic Fracturing

Equipment set up to pump water from a lake to an impoundment for hydraulic fracturing in the Fayetteville Shale of Arkansas.

Attribution: Energy and Minerals

March 14, 2016

Hydraulic Fracturing Well Heads

Well heads hooked up in preparation for a hydraulic fracturing operation at a drill pad in the Fayetteville Shale gas play of Arkansas.

Attribution: Energy and Minerals

March 14, 2016

Hydraulic Fracturing Operation Underway

A hydraulic fracturing operation is underway at this drilling pad in the Marcellus Shale gas play of southwestern Pennsylvania.

Attribution: Energy and Minerals

March 5, 2015

Typical Well drilling tower

Typical well drilling tower with associated equipment

Attribution: Water Resources, Region 1: North Atlantic-Appalachian, New York Water Science Center

$Generalized image showing the key points in hydraulic fracturing$

Generalized image showing the key points in hydraulic fracturing

Generalized image showing the key points in hydraulic fracturing for oil and gas development where water is part of the process.

Attribution: Energy and Minerals

Are other countries using hydraulic fracturing for oil and gas extraction?

Related Content

Geology of tight oil and potential tight oil reservoirs in the lower part of the Green River Formation, Uinta, Piceance, and Greater Green River Basins, Utah, Colorado, and Wyoming

Trends in hydraulic fracturing distributions and treatment fluids, additives, proppants, and water volumes applied to wells drilled in the United States from 1947 through 2010: data analysis and comparison to the literature

Interpretation of hydraulic fracturing data from Xiaguan, western Yunnan, China