Geologic analysis of the Upper Jurassic Cotton Valley Formation in Jefferson TOC) compared to the productive Haynesville Shale Formation (% TOC). Samples of Jurassic Haynesville Formation mudstone are examined with FIB- SEM and Sorry, there is no online preview for this file type. . properties of pore types and networks from a variety of geologic environments. Hydraulic Fracture Design and Well Production Results in the Eagle Ford Shale: . Modeling: A Worked Example From the Haynesville Shale, De Soto Parish.

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Haynesville Shale – Wikipedia

The northern edge of this basin consisted of shallow coastal waters floored by carbonate muds and oolite shoals lying just north of the modern Louisiana – Hayesville border.

It contains vast quantities of recoverable natural gas. The carbonate platforms, their oolite shoals, the Sabine Island, and prehistoric Gulf of Mexico coastline created a restricted basin that marine currents could only readily access from the east. Basins colored in goelogy uplifts colored in red. Very limited detailed descriptions of the Haynesville Shale indicated that it is fossiliferous.

A documentary film entitled “Haynesville: Cairo field, Union County, Arkansas. Aalenian Bajocian Bathonian Callovian. In that well, the Haynesville Shale consists of silty, argillaceous mudstones, silty, calcareous mudstones, and dolomitic mudstones and dolostones.

Haynesville Shale Overview – Maps – Geology – Counties

A third, informal member, which called the “Gray sandstone,” of the Haynesville Formation interfingers with Haynesville Shale along its northern edge. Frack Off Balcombe drilling protest —14 Romanian protests against shale gas.

Shaded area represents productive Haynesville gas shale. For example, the Haynesville Shale has been observed to vary in composition from geollogy to 35 percent clay and 5 to 30 percent calcite in samples recovered from one oil and gas well. In addition to its overall size, the Haynesville is known for its high porosities.


A Nation’s Hunt for an Filteype Future” has been made on the subject of the mineral rights leasing “gold rush” and the potential impact of the Haynesville Shale gas play on national and global energy picture.

Bone Spring Play Analysis. Not long after the land-leasing boom began innew mineral owners across northwest Louisiana and East Texas joined online forums and began sharing information with each other about the process of oil and gas leasing, leasing bonus payments and well production results.

News and Current Events. Haynesville mudstones contain abundant carbonate, whereas Bossier mudstones are dominantly clay and quartz, indicating a shift from transgressive carbonate-dominated environment to progradation of clastics due to highstand deposition in the Bossier.

The STARR team focuses on studies of Haynesville and Bossier Shale facies, deposition, geochemistry, petrophysics, production, pore evolution, and stratigraphy in light of paleogeographic setting and regional tectonics using wireline logs, seismic, and cores. Recently, Haynesville production of 5. The Haynesville Shale came into prominence in as a major producer of shale gas in East Texas and Louisiana.

It was known to contain large quantities of natural gas prior to The silt often occurs as laminations within these mudstones. Geology The Upper Jurassic Kimmeridgian to Lower Tithonian Haynesville and Bossier Shales of East Texas haynesvlle northwest Louisiana are currently one of the most important shale-gas plays in North America, having high IPs, steep decline rates, EURs estimated formatio 3 to 7 Bcf per well of each formation, and play resources estimated together in the hundreds of trillions of cubic feet.


Porosity occurs in nano-pores as interparticle pores and within organics. Haynesville burrowed mudstone facies showing carbonate and siliceous grains, peloids, and burrows filled with calcite B.

Bioturbated calcareous mudstone showing abundant calcitic bioclasts in organic-rich matrix. Haynesville and Bossier gas shales are distinctive on wireline logs—high gamma ray, low density, low neutron geolgoy, high sonic travel time, moderately high resistivity.

The southern rim of this ancient basin and extent of the Haynesville Shale was an ancient Jurassic island, called “Sabine Island. Organic-rich Bossier unlaminated mudstone facies showing fillibranch mollusks and silt-sized siliceous and calcareous grains. Oil and gas is currently produced from shelf-edge carbonate reservoirs which consist of oolite shoals within the Gilmer Limestone and Buckner Anhydrite members.

In addition, the Gilmer Limestone member also represents a carbonate platform with oolite shoals that lie beneath central Upshur and western Smith counties, Texas. In addition, the argillaceous matrix of such mudstones frequently contains numerous calcareous particles and stringers. The Upper Jurassic Kimmeridgian to Lower Tithonian Haynesville and Bossier Shales of East Texas and northwest Louisiana are currently one of the most important shale-gas plays in North America, filetyppe high IPs, steep decline rates, EURs estimated at 3 to 7 Bcf per well of each formation, and play resources estimated together in geloogy hundreds of trillions of cubic feet Fig.

Haynesville Shale

Ternary diagram showing Bossier and Haynesville mineralogical data from x-ray diffraction analyses. Views Read Edit View history. The Haynesville Formation consists of marine and coastal plain limestone, shale, mudstone, and sandstone.

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