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Topic: Barnett Shale

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	Shale - Wikipedia, the free encyclopedia
		Shale is a fine-grained sedimentary rock whose original constituents were clays or muds.
		Shales are typically deposited in very slow moving water and are often found in lake and lagoonal deposits, in river deltas, on floodplains, and offshore of beach sands.
		Shales that are subject to heat and pressure alter into a hard, fissile, and metamorphic material known as slate that is often used in building construction.
	en.wikipedia.org /wiki/Shale (201 words)

	Barnett Shale 07:2002 EXPLORER
		The Barnett is the largest producing gas field in Texas, according to Bowker, and the reservoir covers 15 counties in North Texas.
		The main tectonic elements dictating the Barnett play are the Ouchita Mountains to the east, the Munster Arch to the northeast and the Bend Arch, which is an old structural high running north to south that defines the western margin of the Fort Worth Basin.
		Barnett production is controlled by the formation's thickness, which ranges from 50 feet on the Bend Arch to close to 1,000 feet out in front of the Munster Arch in the basin's center.
	www.aapg.org /explorer/2002/07jul/barnett_shale.cfm (2891 words)

	Truestar Petroleum Corporation (Site not responding. Last check: 2007-11-01)
		Barnett Shale is a giant gas field in the southern USA that is currently the focus of intensive exploration.
		Barnett production is controlled by the formation's thickness, which ranges from 50 feet on the Bend Arch to close to 1,000 feet out in front of the Munster Arch in the basin's centre.
		The Barnett Shale is approximately 600 feet thick near the centre of the present producing trend.
	www.truestar-petroleum.com /texas.html (913 words)

	Barnett Shale Field
		The Barnett Shale is a blanket marine shale deposit that is present over most of north Texas and is one of the most stratigraphic formations in Texas.
		The presence of potentially prospective Barnett Shale is limited by the Muenster arch and associated sub-components to the north and northwest, while the Ouchita foldbelt precludes Barnett development to the east.
		The Barnett thins to the south and southwest in response to the uplift and erosion associated with the Bend arch and Llano Uplift.
	www.panamop.com /bsfield.htm (183 words)

	The Barnett Shale - Landmen, Leases, Operators, Industry News, and Trends. Texas - Fort Worth Basin - organic ...
		The Barnett Shale is in the Fort Worth Basin and because of its maturity and age we are able to frac and produce from this blanket formation.
		The Mississippian-age Barnett Shale is one of the most uniform stratigraphic units in the basin, outcropping along the flanks of the Llano uplift in central Texas, where it is about 30 to 50 feet thick.
		Barnett Shale production was first established in the Newark East Field in Wise and Denton counties, where it grew from less than one billion cubic feet of gas from 25 wells in 1985 to 19.2 billion cubic feet from 306 wells in 1995.
	www.thebarnettshale.com (3341 words)

	Barnett Shale - Milliken Research
		The primary focus of my research is to quantify the petrographic relationships in the Barnett Shale, with the intention of reaching a better understanding of the “big picture.” To date, most shale studies have focused on clay mineralogy and general transport.
		In the case of the Barnett Shale, one could argue that these factors are all critical to understanding rock properties and production data.
		The Barnett Shale at the J. Walker Ranch in Lampasas County, Texas.
	www.geo.utexas.edu /scientist/milliken/barnettshale.htm (238 words)

	Available Deals
		The Barnett Shale produces gas in many areas of Parker County and should be over 240’ thick in the prospect area.
		Recent Barnett Shale gas completions using much smaller water fracs south and west of the Weatherford Project are very supportive of successfully completing the Barnett Shale in this area.
		The Barnett Shale and Atoka Tight Gas Sands are extensive targets and are considered giant status as a potential gas field.
	www.fwbasin.com /availabl.htm (607 words)

	Houston Business Journal: Hot gas field draws big crowd - 2005-11-14 (Site not responding. Last check: 2007-11-01)
		The Barnett Shale spreads beneath 10 to 15 counties, with Tarrant County as the epicenter.
		Barnett Shale is an unconventional reservoir where gas and oil are locked in tight, low-porosity rock formations.
		Despite the buzz, drilling in the Barnett Shale is not a sure bet due to significant variations of results from one spot to another.
	houston.bizjournals.com /houston/stories/2005/11/14/story1.html?t=printable (931 words)

	Editorial
		The Barnett Shale is, however, proving to be a massive, reliable source for natural gas over the long term as monthly production is now consistently in excess of 10 Bcf.
		The discovery well for the Barnett Shale Field, the Slay #1, stimulated the reservoir 210,000 pounds of sand and was not expected to recover more than 380,000 mcf of gas.
		Geologically, the Newark, E. (Barnett Shale) Field is a stratigraphic trap in the Mississippian Barnett Shale of the Ft. Worth Basin.
	www.drillingobserver.com /Editorial.htm (1846 words)

	Devon Energy Corporation - Barnett Shale (Site not responding. Last check: 2007-11-01)
		The Barnett is not particularly deep or impervious to the drill bit, but it would take more than conventional thinking to recover the gas locked inside the stingy shale known for its low porosity and high complexity.
		Devon Energy is a pioneer in the Barnett, using innovations in technology to literally crack open the shale to release the natural gas sealed inside.
		Through Devon’s pioneering effort, the Barnett Shale formation has emerged as the largest natural gas field in Texas and one of the most important gas fields in the nation.
	www.devonenergy.com /operations/features/corpnews_barnett_shale.aspx (392 words)

	Green Car Congress: In My Back Yard, Please: DFW Looks to Drill for Gas
		Barnett Shale, which sprawls beneath 10–15 Texas counties, is about 4.5% oil and gas by weight.
		Barnett is a“tight” (ultra low permeability) reservoir; it needs to be hydraulically fractured in order to be productive—i.e., to be able to allow the gas to escape.
		Although the first Barnett Shale discovery well was drilled in 1981, it was almost 17 years before any significant commercial success was found in the Barnett.
	www.greencarcongress.com /2005/12/in_my_back_yard.html (1014 words)

	Associated Construction Publications - Opening The Barnett Shale Gas Field (Site not responding. Last check: 2007-11-01)
		Though gas deposits were discovered in the Barnett Shale decades earlier, natural gas producers didn't have the tools needed to break through the ultra-hard rock in the region and tap into the highly valued natural resource.
		Not only has the Barnett Shale meant big business for natural gas producers, but utility contractors have also profited from the 1.3 trillion cubic feet of natural gas that has been produced since the field opened.
		At the Barnett Shale field, Diamond H Trenching was commissioned to run a 10-inch high-pressure gas pipeline 10,000 feet.
	www.acppubs.com /article/CA600939.html (1178 words)

	Texas Drilling Observer
		An initial test of that magnitude is not typical of the Barnett Shale, which is the biggest gas producing reservoir in the state and most active natural gas play in the United States today.
		The Barnett Shale accessed by the horizontal lateral was fracture stimulated with a total of 90,706 barrels of water and 982,573 pounds of sand.
		In the western counties of the Barnett Shale Play, EOG is operating one rig in Erath County and another in Parker County." In some areas of Johnson County EOG is drilling wells on 35 acre spacing, which would allow between 500 and 750 new well locations in the county.
	www.drillingobserver.com (2847 words)

	2003 S.W. Sectional Technical Sessions
		The Mississippian Barnett Shale of the Fort Worth Basin is an organic-rich shale that is the reservoir trap and seal for a very large unconventional gas accumulation.
		The Barnett Shale in North Texas is one of many tight shale plays across the country, however, over the last two years the Newark East (Barnett Shale) field has been the most active field in the United States.
		Barnett shale gas will be assessed after mapping "sweet spots" and outlying areas of potential, and by defining distributions of drainage (cell) size and cell estimated ultimate recovery.
	www.fwgs.org /swsec/techsessions.htm (5497 words)

	Allstocks.com's Bulletin Board: center of a drilling hotbed in the Barnett Shale
		This massive and regionally widespread rock layer, called the Barnett Shale, is so rich in organic materials that it ranks as one of the 10 richest petroleum-generating systems in the world.
		Today, the bulk moveable hydrocarbon remaining in the Barnett Shale is natural gas and the estimated volumes are astonishing.
		According to recent study, the Barnett Shale is estimated to contain upwards of 10 trillion cubic feet of recoverable natural gas.
	www.allstocks.com /stockmessageboard/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=8;t=015407;p=0 (3014 words)

	Alexander's Gas & Oil Connections - EOG Resources plans expansion in Fort Worth-area
		The Barnett Shale is a formation of hard shale 350 mm years old and 6,000 to 8,000 feet below the Earth's surface.
		Until the late 1990s, drillers considered the Barnett Shale rock impermeable, compared with the limestone and sandstone from which most natural gas is extracted.
		The Barnett Shale field is already the largest natural gas drilling play in Texas.
	www.gasandoil.com /goc/company/cnn43371.htm (830 words)

	[No title]
		A more recent paper (Plummer and Moore) reported that the Lower Bend shale was given the name "Barnett" shale because of its proximity to the Barnett family's homestead, where the shale is well exposed.
		The current undisputed kingpin of the Barnett is Devon Energy, which snapped up Mitchell Energy in 2001, laying claim to Mitchell's already-substantial holdings in the shale.
		For starters, shale is not supposed to be a reservoir rock, according to Bowker.
	www.aapg.org /explorer/2005/05may/barnett_shale.cfm (2051 words)

	WorldNetDaily: Huge natural gas field 'discovered' in Texas (Site not responding. Last check: 2007-11-01)
		The Barnett Shale field is the largest gas-producing field in Texas, covering some 15 counties in the northern part of the state.
		The largest operator in the Barnett Shale field is Devon Energy Corporation, one of America's largest and most successful independent oil and natural gas companies, headquartered in Oklahoma City.
		Barnett Shale is deeply fractured, with fissures that tended to be sealed by calcium carbonate.
	www.worldnetdaily.com /news/article.asp?ARTICLE_ID=47639 (750 words)

	Ingenium Capital Corp. Enters Agreement to Participate in the Drilling of Barnett Shale and Fayetteville Shale ...
		Published reports indicate the Barnett Shale play is estimated to hold reserves in the non-core area that could be as high as 150 BCF per 1,000 acres.
		The Fayetteville Shale, located just east of Little Rock in Arkansas, is the western extension of the Arkoma Basin, one of the most prolific gas basins in the continental US.
		Similar to the Barnett Shale in many ways, this unconventional gas development is attracting the attention of many large oil companies due to the high amount of estimated reserves.
	www.ccnmatthews.com /news/releases.Controller?action=check4Cookies&searchText=false&showText=all&actionFor=573444 (532 words)

	WorldNetDaily: Profitable new natural-gas technologies
		While the shale proved to be extensively fractured, most of the fractures were completely filled up and sealed by calcium carbonate.
		Second, Devon dominates the leases in the Barnett Shale's core area, a large area comprising 120,000 net acres stretching north from Fort Worth to the western outskirts of Denton.
		Needless to say, the Barnett Shale's gas reserves were not entered into the reserve estimates Hubbert saw doomed to depletion.
	www.worldnetdaily.com /news/printer-friendly.asp?ARTICLE_ID=47757 (1015 words)

	Devon Energy Plans to Drill Natural-Gas Wells in Texas
		"The Barnett Shale is a major play and has a bright future, but it is not a simple formation, and we need to be very careful," said Brad Foster, Devon's manager for the North Texas Barnett Shale play.
		Devon is the dominant player in the so-called "core area" of the Barnett Shale, which covers parts of Wise, Denton and northern Tarrant counties.
		Barnett Shale activity in Johnson County has picked up this year with the revelation that Hallwood Energy has drilled 35 successful wells near Cleburne and that EOG Resources of Houston has brought in nine producing wells in the same area.
	www.amex.com /newsDetails/CmnNewsDet.jsp?id=XpressFeed_NewsDetails_1085469066751.html (556 words)

	FWWeekly: Feature: Wednesday, March 22, 2006
		The Barnett Shale field is serving as guinea pig for this new process.
		Currently, an estimated 4,000 wells are producing in the Barnett Shale, stimulating the local economy in counties from Montague to Palo Pinto to Bosque and getting an enthusiastic nod of approval from the Bush administration on down.
		He too was unfamiliar with the Barnett Shale, and his knowledge of water-based fracturing technology was shaky, but he had seen the effectiveness of groundwater districts.
	www.fwweekly.com /content.asp?article=1004 (4213 words)

	OA Online News (Site not responding. Last check: 2007-11-01)
		The Barnett Shale play in West Texas may teach geologists to forget some of what they learned in school, a consulting geologist who helped bring in the discovery well for Mitchell Energy said.
		That’s because the Barnett Shale does not follow what is considered the normal pattern for other geologic formations, Kent A. Bowker said.
		The Barnett Shale is source, reservoir and seal for one of the largest producing continuous-type reservoirs in the United States with estimated recoverable resource at about 30 trillion cubic feet of gas (TCFG), according to the United States Geological Survey.
	www.oaoa.com /news/nw110605h.htm (678 words)

	Thermal Maturation and Physical Properties of Barnett Shale in Fort Worth Basin, North Texas (Site not responding. Last check: 2007-11-01)
		The physical properties of the shale are mainly determined by its porosity and brittleness.
		A concept of early differential compaction of Barnett shale between underlying and overlying carbonate formations was illustrated with several individual cases.
		The shale brittleness is an important factor for the shale to be fractured either by natural stress or by fracturing stimulation.
	aapg.confex.com /aapg/da2004/techprogram/A87090.htm (321 words)

	Oil and Gas Investor: Editor's Comment (Site not responding. Last check: 2007-11-01)
		The Barnett Shale play is booming, exploding with activity.
		Recently, the U.S. Geological Survey (USGS) estimated that the Barnett Shale contained total mean undiscovered resources of 26.2 trillion cubic feet (Tcf) of gas, along with 1 billion barrels of gas liquids.
		Not the least of producers’ obstacles in the Barnett Shale was its contrary nature.
	www.oilandgasinvestor.com /comment/1114033933.html (276 words)

	Business Wire: Triangle Pursues Barnett Shale Project. @ HighBeam Research (Site not responding. Last check: 2007-11-01)
		The Barnett Shale trend now supports daily production in excess of 1 BCF (billion cubic feet) per day of natural gas with the USGS (United States Geological Survey) estimating a resource potential of greater than 25 TCF (trillion cubic feet) of natural gas.
		The Barnett Shale trend is the largest gas field in Texas with the productive limits being expanded as the eighty plus active drilling rigs deliver new insights and understanding to the area operators.
		Triangle USA believes the Barnett Shale trend to be a relatively low risk, repeatable opportunity that will continue to benefit from the application of new technology and sound field procedures.
	www.highbeam.com /library/doc0.asp?DOCID=1G1:137959466&refid=holomed_1 (730 words)

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