limestone formation buda

Buda-Georgetown Play - Energy Frontiers Partners, LP

Geology. Within the Upper Cretaceous, it corresponds to the European Cenomanian Stage. It is separated from the superjacent (overlying) Buda Formation by the dark grey to black, fissile Del Rio Shale. In many areas, the limestone of the Buda is very similar the limestone of the Georgetown. In most areas, the Georgetown was deposited over...

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Geology and Ground-Water Resources of Hays County, Texas

GEOLOGY AND GROUND-WATER RESOURCES OF HAYS COUNTY, TEXAS By KENNETH J. ABSTRACT The Edwards limestone of Early Cretaceous age is the chief aquifer for San Marcos Springs and about 160 other springs and wells in Hays County, along the Balcones fault zone in .

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Rejuvenating the Buda Limestone Reservoir in Texas by ...

The naturally fractured Buda formation, which underlies the Eagle Ford shale play across central and south Texas, is experiencing resurgence in exploration and production activity as a result of improvements in horizontal and underbalanced drilling techniques.

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U.S. Energy Corp. Provides Operations Update For Buda ...

Apr 10, 2014 · This week, U.S Energy Corp. provided its operations update for several of it's Zavala and Dimmit County wells targeting the Buda Limestone formation, which lies just underneath the Eagle Ford Shale.The Beeler #6H well, located in the company's Booth-Tortuga acreage block, was completed in March 2014, and had a peak early 24-hour flow back rate of 1,185 boe/d, with a 91% oil yield.

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Buda Limestone - Wikipedia

The Buda Limestone is a geological formation in the High Plains and Trans-Pecos regions of West Texas whose strata date back to the Late Cretaceous. Pterosaur remains are among the fossils that have been recovered from the formation.

Lance's north Texas fossil page - Washita group

South of the Brazos, at the outcrop, the highest Comanchean formation is the Buda limestone. 39 Whitney, F. L., Report to joint meeting of the San Antonio Geological Society and the Southwestern Geological Society, Austin, October, 1931.

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Seismic Characterization of Natural Fractures in the Buda ...

The Buda Limestone is a naturally fractured Early Cretaceous carbonate formation in south Texas which is unconformably overlain by the Eagle Ford Shale. Matrix porosity of the Buda is less than 6%, therefore natural fractures improve the potential for commercial hydrocarbon production from this tight limestone formation.

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Interpretation and Fracture Characterization of Early ...

The Buda Limestone is a naturally fractured Early Cretaceous carbonate formation in south Texas which unconformably underlies the Eagle Ford Shale. Matrix porosity of the Buda is less than 6%, therefore natural fractures improve the potential for commercial hydrocarbon production from this tight limestone formation. This presents a challenge for producers to identify these zones using well log ...

South Texas | EXCO Resources, Inc.

The Buda formation lies directly below the Eagle Ford shale with an average gross thickness of 135 feet. The Buda is a naturally fractured limestone and does not require fracture stimulation and is being developed with horizontal laterals up to 10,000 feet. Additional targets include the Austin Chalk and Pearsall formations At June 30, 2015,...

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GEOLOGIC FRAMEWORK AND HYDROGEOLOGIC .

The dissolution-modified, faulted limestone aquifer (Buszka and others, 1990) is the sole source of public water supply for San Antonio and is the major source of water for Hays County. Most recharge to the Edwards aquifer occurs in counties immediately west of Bexar County (fig. 1).

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Drillers drawn to rocks around Eagle Ford, too - San ...

The Buda Limestone is a deeper layer, but Howard said it's oil- or gas-bearing depending on location. On the north side closer to San Antonio, it has more oil.

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Stratigraphy and Sedimentary Facies of the Eagle Ford ...

The highest initial production is in a strike-parallel belt basinward of the Karnes trough and landward of the Cretaceous shelf margin. Three lithologies comprise the bulk of the Eagle Ford Shale in this area: argillaceous mudrock (shale), calcareous mudrock (marl), and limestone.

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Buda Limestone (TXKbu;0) - USGS

Buda Limestone. Buda Limestone; Eastern part of Trans-Pecos and High Plains and Western part of Trans-Pecos and North, central, and south Texas including Quaternary for all of west Texas. Comments In Eastern part of Trans-Pecos and High Plains- Buda Ls--fine grained, bioclastic, commonly glauconitic, pyrite, hard, massive,...

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North Texas Fossils - Grayson Marl formation

Some earlier writers correlated the Del Rio clay in south Texas with the Main Street limestone in north Texas, and the Buda in south Texas with the Grayson marl in north Texas. These early correlations led to the separate naming of the Grayson and the Del Rio.

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Drillers drawn to rocks around Eagle Ford, too - San ...

Shepherd is particularly interested in the Pearsall, a shale and limestone formation that holds a mix of crude oil and natural gas. Hart Energy's Williams thinks the Pearsall is the shale layer ...

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Primera Energy is betting on the Buda formation

Apr 13, 2015 · Crude oil is trading at six-year lows, but San Antonio-based Primera Energy is hoping that a geological formation found just below the Eagle Ford shale layer will be its sweet spot.

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"Buda Quarry" in Hays, TX, Limestone Producer | The Diggings™

"Buda Quarry" is a producer deposit site in the Interior Plains of Texas, The United States. It is a deposit, not considered to be of world-class significance. 1. Limestone, General deposits are documented at "Buda Quarry." Limestone General is present at a grade sufficient to have a strong effect on the economics of an excavation project.

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Rejuvenating the Buda Limestone Reservoir in Texas by ...

Rejuvenating the Buda Limestone Reservoir in Texas by Using Crude Oil and Nitrogen Injection in Underbalanced Regime: Case History. However, many fractures in the Buda formation are underpressured because not filled with hydrocarbons from the overlying Eagle Ford formation. The application of Underbalanced Drilling in horizontals wells to drill Buda wells is today showing excellent .

  • Authors: G Davis · G Wilcox · M Arnone · S BruingtonAffiliation: Weatherford InternationalAbout: Underbalanced drillingGet Price

Austin Chalk Lessons Being Applied in Buda Limestone ...

Armed with modern drilling technologies and results from vertical wells past, operators have been returning to the Buda Limestone Formation, a downstairs neighbor of the Eagle Ford Shale, and ...

Buda Limestone

Buda limestone is from the Carbonates family with permeability 1-3mD and porosity 12-14%. Carbonate rocks are primarily comprised of limestones. Carbonates typically present good permeability and porosity. Consequently, carbonates are ideal petroleum reservoirs.

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Turitella in Buda Formation limestone - Mountain Beltway ...

Apr 16, 2014 · Back to Texas, today. Here's a cross-sectioned Turitella snail from the Buda Formation limestone: It's exposed in a block of rock on the north side of Mt. Cristo Rey. You can explore these GigaPanned blocks of the Buda in search of your own Turitella. How many can you find? link link link

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Texas General Soil Map with Descriptions

and Boracho soils, and from limestone sources, such as Philder soils. Very deep soils formed in basin sediments from limestone, such as Armesa and Reyab soils, and from mixed sources, such as Reakor soils. Liv soils, moderately deep to igneous bedrock, formed in gravelly igneous sediments. Very deep, loamy Musquiz soils occur on broad plains.

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Contango Oil & Gas - Eagle Ford Shale News

Apr 10, 2014 · This week, U.S Energy Corp. provided its operations update for several of it's Zavala and Dimmit County wells targeting the Buda Limestone formation, which lies just underneath the Eagle Ford Shale. The Beeler #6H well, located in the company's Booth-Tortuga acreage block, was completed in March 2014, and had a peak early 24-hour flow back rate of 1,185 boe/d, with a 91% oil yield.

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Geology and Ground-Water Resources of Hays County, Texas

GEOLOGY AND GROUND-WATER RESOURCES OF HAYS COUNTY, TEXAS By KENNETH J. ABSTRACT The Edwards limestone of Early Cretaceous age is the chief aquifer for San Marcos Springs and about 160 other springs and wells in Hays County, along the Balcones fault zone in .

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THE SEQUENCE STRATIGRAPHY OF THE COMMANCHEAN - .

each other by the unconformity between the Buda Limestone and the Boquillas Formation. The Commanchean Series of BBNP represents about 25 m.y. of earth history and records mostly carbonate deposition with periodic clastic influxes. It begins with deposition of

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Rejuvenating the Buda Limestone Reservoir in Texas by ...

The naturally fractured Buda formation, which underlies the Eagle Ford shale play across central and south Texas, is experiencing resurgence in exploration and production activity as a result of improvements in horizontal and underbalanced drilling techniques.

  • Authors: G Davis · G Wilcox · M Arnone · S BruingtonAffiliation: Weatherford InternationalAbout: Underbalanced drillingGet Price

Geology of the fractured Austin and Buda formations in the ...

Deeper structural geology and seismology has indicated favorable areas of fracturing in the Austin. These areas which indicate buried ridges, old faults or salt pillows in the lower Cretaceous and Jurassic serve to make local differential compaction or strain fractures in the Austin chalk and Buda lime.

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Geolex — Boquillas publications

Is divided into the Ernst Member (new, at base) and the San Vicente Member (new, above) in Big Bend National Park area, Brewster Co, TX in the Permian basin. Is basal formation (of two) in Terlingua Group (revised). Overlies Buda Limestone; underlies Pen Formation (new) of Terlingua Group. Is 805-875 ft thick in study area.

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Buda Limestone scores new interest in South Texas | Fuel Fix

The Buda Limestone lies just below the Eagle Ford Shale, and is a longtime target that is attracting renewed interest from drillers. The company plans to use Kaler Energy Corporation of San ...

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NEW TECHNOLGIES OF DEVELOPMENT OF AUSTIN CHALK AND BUDA .

NEW TECHNOLGIES OF DEVELOPMENT OF AUSTIN CHALK AND BUDA LOW-POROUS CARBONATE RESERVOIRS IN SOUTH TEXAS. The results obtained in the course of the joint work is planned to be used not only in drilling new wells in Austin Chalk and Buda carbonate low-porous reservoirs in South Texas, but also in similar fields in tight carbonate reservoirs in Eastern Siberia and .

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