The eagle ford group is a sedimentary rock formation deposited during the cenomanian and. Oil and gas have been produced above the eagle ford from the olmos formation and the austin chalk. The oily bakken and eagle ford shales launched into full swing. Eagle ford shale texas towns consider deep makeovers to prepare for inevitable oil field bust.
History of the eagle ford shale in less than five years, the eagle ford shale has become one of the most drilled shale formations in the united states. The eagle ford shale field in the gulf coast basin of. Eagleford shalegas study bureau of economic geology. But drilling in the eagle ford, a 400milelong formation stretching from east texas to webb county, has touched off a hiring frenzy. Eagle ford texas development of texas eagle ford shale formation is producing natural gas, oil, thousands of jobs and millions in tax revenue. Photos from the eagle ford shale texas sharons bluedaze. Energy information administration updates to the eagle ford shale play maps 2 the eagle ford play boundaries the eagle ford play figure 1 has four major boundaries. Producers also drilled through the play for many years targeting the edwards limestone formation along the edwards reef trend. The eagle ford group also called the eagle ford shale is a sedimentary rock formation deposited during the cenomanian and turonian ages of the late cretaceous over much of the modernday state of texas. Play area and structural controls of the upper cretaceous eagle ford shale of south, central, and east texas. Aug 29, 2014 valeros oil refinery in three rivers, tex. The once very popular eagle ford shale play has drastically declined, turning thriving communities into ghost towns. The eagle ford is a prime example of the jobcreating potential of the shale revolution. Feb 18, 2014 the partnership that produced fracking the eagle ford shale.
The upper cretaceous cenomanian to turonian eagle ford shale, currently one of the most active gasshale plays in the world, extends 400 mi from the maverick basin and adjacent western san marcos arch in south and central texas to the east texas basin fig. The formation is the source rock for the austin chalk oil and gas formation. A nighttime photo taken from high above the eagle ford shale formation shows the bright lights from the wells and equipment competing with. Stratigraphy and sedimentary facies of the eagle ford shale cretaceous between the maverick basin and the san marcos arch, texas, usa john a. Eagle ford shale was formed in the upper cretaceous series with gas, condensate, and oil. Oil production from the eagle ford grew from 352 barrels of oil per day bopd in 2007 to over 1. Oil production edited by john breyer, john breyer on. I wanted to share a few photos that people in the eagle ford shale sent me this week. May 26, 2011 the eagle ford formation also called the eagle ford shale is a sedimentary rock formation from the cretaceous age underlying much of south and east texas in united states, consisting of organic matterrich fossiliferous marine shale. Nov 30, 2011 the eagle ford shale andwhat else is down there.
Eagle ford shale information eagle ford shale consortium the eagle ford shale consortium exists to serve the publics interest in matters of economic and community development, community education, job creation, workforce education and development, natural resources, and other related subjects. Above is a sign at a waste disposal site in gonzales county. The oil reserves in the eagle ford shale play were estimated in 2011 at 3 billion barrels. Discovered in 2008, the eagle ford shale of texas quickly rose to prominence because of its high oil content. The eagle ford shale field in the gulf coast basin of south texas. Mar 11, 2011 the eagle ford shale play is located primarily in 24 counties of southern texas. The active rig count of 96 82715 in the eagle ford places it in second amongst the most popular shale plays in the us. The eagle ford shale is a south texas geological formation with a large amount of oil and natural gas.
Eagle ford shale news, companies, maps, geology and jobs. Eagle ford shale news updates delivered from the south texas oilfield. The eagle ford shale formation upper cretaceous in the gulf coast. Leon zabava, staff writer wednesday, november 30, 2011. Petroleum geochemistry of the cenomanianturonian eagle. Two nonprofit news organizations, the center for public. Life on the eagle ford shale during the boom san antonio. The eagle ford formation also called the eagle ford shale is a sedimentary rock formation from the cretaceous age underlying much of south and east texas in united states, consisting of organic matterrich fossiliferous marine shale.
The eagle ford is currently the secondlargest producing shale play, with an estimated daily average of 1. I figured that at this period of time in eagle ford shale articles, it would be a good idea to set the stage with information regarding geological data in this area. It is 50 miles wide and 400 miles long and covers the 23 counties in southcentral texas. Spe 160076 production analysis in the eagle ford shale best practices for diagnostic interpretations, analysis, and modeling 3 fig. Mar100 0 100 200 300 400 500 mar 6,851 mmcfd production from new wells legacy production change net change apr. It contains a much higher carbonate shale percentage, upwards to 70% in south texas, and becomes shallower and the shale content increases as it moves to the northwest. Emerging plays in argentina and russia have some historical success in terms of production, but.
Another unique feature of the eagle ford is its high carbonate shale content, which makes it more brittle and therefore easier to frack. Oil and natural gas extraction is booming in eagle ford shale. Maugeri has published four books on energy, among them the the age of oil. Although the eagle ford shale is a relatively recent development, rock units above and below the eagle ford shale have a long history of oil and gas interest. Oil and gas drilling investments the eagle ford shale. In sherman sheet 1967 ne texas shale, selenitic, bituminous, calcar concretions and septaria, thin platy beds of sandst. History of the eagle ford shale universal royalty company. The eagle ford shale is a cretaceous sediment that was traditionally known as a source rock in south and east texas. In texarkana sheet 1966 thickness 60 ft feathers out east. Life on the eagle ford shale during the boom by chris quinn, san antonio express news updated 2. Now, another shale megabasin has the potential to change the game again, at a time. Its about 50 miles wide, 400 miles long, on average 250 feet.
This is the most comprehensive map of the eagle ford shale area available. How we got the eagle ford fracking story insideclimate news. This was shortly after id posted a piece chronicling the somewhat. I wonder whats in that stuff and what happens to it. Medium to dark gray shale, bituminous, selenitic, calcareous concretions and septaria, a few thin platy beds of sandstone and sandy limestone. Use the search widgets on below on the left and right. The eagle ford is predominantly composed of organic matterrich fossiliferous marine shales and marls with interbedded thin limestones. The eagle ford shale play is late cretaceous in age and is located in the south texas, usa 33, 34. The number of producing oil leases in the eagle ford shale increased by about 6,300 percent from 2009 to.
Since then, the play has been a victim of its own success. The crescentshaped scatter of lights south of san antonio is the area where the eagle ford shale is being heavily drilled. Eagle ford shale information alamo area council of. Breyer1, richard denne2, jonathan funk2, tobi kosanke2, and joan spaw2. Thousands of wells have been drilled since then and the eagle. Eagle ford region march 2020 drilling productivity report.
Here are the top five mind blowing facts from the eagle ford. The brightest spots in this image are the cities of austin, san antonio, houston, corpus christi and laredo. The eagle ford shale play is located primarily in 24 counties of southern texas. The shale play trends across texas from the mexican border into east texas, roughly 50 miles wide and 400 miles long with an average thickness of. The upper cretaceous cenomanian to turonian eagle ford shale, currently one of the most active gas shale plays in the world, extends 400 mi from the maverick basin and adjacent western san marcos arch in south and central texas to the east texas basin fig. Again differences in productivity index functions are attributed to completion and reservoirfluid effects. Major players in the eagle ford shale seeking alpha. Stratigraphy and sedimentary facies of the eagle ford shale. This was shortly after id posted a piece chronicling the somewhat amazing boom in new investments more than. To better understand the regional and vertical variations of reservoir properties and their effects on fluid types and well performance, we conducted an integrated, regional study using production and well log data.
A nighttime photo taken from high above the eagle ford shale formation shows the bright lights from the. The discovery well was perforated with ten frack stages at approximately 11,150 feet from a 3,200 foot lateral and flowed at 7. Aug 22, 2017 bhp entered south texas in 2011 when it bought petrohawk energy corp. Bhp billiton petroleum wants out of shale san antonio. Assessing well performance in a prolific liquidsrich shale play. Initially the eagle ford formation was known as the mother rock of the gas and petroleum conventional reservoirs produced from the austin chalck formation and it has been studied since the year 1887 by hill, who gave it his name, from outcrops of. The eagle ford shale is a hydrocarbonproducing geological formation of significant importance due to its capability of producing both natural gas and also more oil than other traditional shale plays. The 5 companies dominating the eagle ford shale play the.
The first well was drilled in the eagle ford share in 2008. To some, eagle ford isnt all about shale houston chronicle. Spe 160076 production analysis in the eagle ford shale best. Pdf this paper analyzes and quantifies characteristic production behavior using historical data from 1084 shale gas wells in the eagle ford. This is a night lights image of southeast texas from nasas suomi satellite. Since 2012 is your trusted source for all news related to the eagle ford. The business journal takes a look at the original team that discovered and drilled the eagle ford shale in south texas and where they are now. The eagle ford shale formation upper cretaceous in the gulf coast basin of south texas was first commercially produced in 2008 and has since achieved production and reserve growth that is virtually unprecedented in the history of onshore north american oil and gas development. The partnership that produced fracking the eagle ford shale.
Join us may 22 for bisnows san antonio impact of the eagle ford shale event. The eagle ford shale formation is estimated to have 20. The eagle ford shale is a hydrocarbon producing formation of significant importance due to its capability of producing both gas and more oil than other traditional shale plays. The eagle ford play in the center south of texas is the largest tight oil producer and the second largest shale gas producer in the united states. Drillers are increasingly tapping into the bands above and below the eagle ford shale to produce oil and natural gas the company in 2009 had started drilling exploratory wells on,000 acres. Home eagle ford shale resources blume library at st. Bhp entered south texas in 2011 when it bought petrohawk energy corp. This hardcover book contains extended abstracts of the articles.
See actions taken by the people who manage and post content. Known as a worldclass source rock for years, the eagle ford shale became a worldclass oil reservoir early in the second decade of the 21st century. May 23, 2011 drilling in the eagle ford shale sparks s. Big oil and bad air on the texas prairie was formed in the spring of 20.
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