Thermal maturity of the Barnett Shale determined from well-log analysis

Zhao, Hank; Givens, Natalie B.; Curtis, Brad

doi:10.1306/10270606060

Cited by 94 publications

(40 citation statements)

References 12 publications

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“…This kerogen type has long maturation and poor methane generation potential, i.e. it is the residue of methane generation and represents a distinct form of shale gas storage, such as Barnett shale [39]. This kerogen model consists of 4-5 polyaromatic clusters bridged by short alkyl chains.…”

Section: Kerogen Molecules and Solidsmentioning

confidence: 99%

Novel molecular simulation process design of adsorption in realistic shale kerogen spherical pores

Zhou

Jiang

2016

Fuel

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Section: Kerogen Molecules and Solidsmentioning

confidence: 99%

Novel molecular simulation process design of adsorption in realistic shale kerogen spherical pores

Zhou

Jiang

2016

Fuel

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“…The Fort Worth Basin shows a northward thickening, half-graben like structure, but is bounded by reverse faults against the Lower Palaeozoic Muenster Arch (part of the Southern Oklahoma Aulacogen The main factors controlling prospectivity of the Barnett are the thermal maturity, thickness and total organic carbon (TOC) content of the shale (Zhao et al 2007). Local and regional structures such as joints, folds and faults control fracture porosity and thus influence production potential at a variety of scales.…”

Section: The Barnett Shalementioning

confidence: 99%

UK data and analysis for shale gas prospectivity

Smith

Turner

Williams

2010

PGC

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Organic-rich shale may contains significant amounts of gas held within fractures and micro-pores and adsorbed onto organic matter. In the US shale gas extracted from regionally extensive units such as the Barnett Shale currently accounts for ~6% of gas production. Shale gas prospectivity is controlled by the amount and type of organic matter held in the shale, thermal maturity, burial history, microporosity and fracture spacing and orientation.The main UK organic-rich shale sequences have been mapped at the surface and in the subsurface using a combination of outcrop, well and seismic data. Potential targets range in age from Cambrian to the late Jurassic: younger shales have been excluded because they have not reached the gas window, but they may possess a biogenic gas play. A GIS showing the distribution of potential reservoir units has been combined with information on hydrocarbon shows, thermal maturity, fracture orientation, gas composition and isotope data to identify potentially prospective areas for shale gas in the UK. These include Lower Palaeozoic shale basins on the Midland Microcraton, Mississippian shales in the Pennine Basin and Pennsylvanian shales in the Stainmore and Northumberland basin system.

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“…Several methods are used to estimate TOC with well logs [4,33,36,[38][39][40]. logR method not only identifies shale gas reservoir but also calculates TOC [38][39].…”

Section: Tocmentioning

confidence: 99%

“…There are several indexes referred to maturity, vitrine reflectance R0, thermal alteration index (TAI), RockEval pyrolysis temperature (Tmax) and conodont alteration index (CAI), and these parameters usually are related with R0. At present the logs data is available for the maturity index (MI) evaluation with resistivity and the combination methods of neutron log and density log [25,40]. The formula of MI is given by [25].…”

Section: Maturitymentioning

confidence: 99%

Review of Well Logs and Petrophysical Approaches for Shale Gas in Sichuan Basin, China

Zhang¹,

Jin²,

Jiang³

et al. 2015

TOPEJ

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China has vast reserves of shale gas. Currently, shale gas is one of the focuses of the unconventional reservoir. Well logs play an import role in shale gas production, and it is the bridge connecting geology, geophysics and petroleum engineering. In the exploration stage, well logs are used to identify lithology, evaluate the parameters of mineral types and compositions, total organic carbon (TOC), porosity, permeability, gas content, and the potential resources quantity. In the development stage, well logs offer various parameters of geological and engineering for horizontal drilling and production, evaluate the mechanical properties and calculate the magnitude and orientation of the in-situ stress for hydraulic fracturing stimulation. We reviewed current well logs for shale gas in China and discussed the development trend in the paper. A case history in Sichuan Basin presented to analyze the logs response characteristics and parameters calculation for a shale gas well. The difficulty and the future attention focus are also discussed.

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Thermal maturity of the Barnett Shale determined from well-log analysis

Cited by 94 publications

References 12 publications

Novel molecular simulation process design of adsorption in realistic shale kerogen spherical pores

Novel molecular simulation process design of adsorption in realistic shale kerogen spherical pores

UK data and analysis for shale gas prospectivity

Review of Well Logs and Petrophysical Approaches for Shale Gas in Sichuan Basin, China

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