Channel detection in 3-D seismic data using sweetness

Hart, Bruce S.

doi:10.1306/02050807127

Cited by 143 publications

(59 citation statements)

References 11 publications

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“…The sands were characterized by combining amplitude and frequency or acoustic impedance contrast. Sweetness is useful for detecting stratigraphic features such as sand-filled channels when those features can be distinguished from the background lithology by a combination of instantaneous frequency and instantaneous amplitude [10]. However, this study shows that sweetness does not always clearly image a thin-sand series, particularly in vertical direction.…”

Section: Discussionmentioning

confidence: 62%

“…Some experienced users have used sweetness to quantitatively estimate the relative net-to-gross ratio of a sand reservoir. However, it was mentioned that it is not possible to use sweetness for measuring sand thickness from logs [10]. As noted before, the cross section of INTENS does not show a clear image of the channel body.…”

Section: Stratton Field Seismic Structurementioning

confidence: 98%

“…While the parent attributes are better in detecting thin-bed sand, sweetness is claimed to be better in giving net-pay estimation [10].…”

Section: Sweetnessmentioning

confidence: 99%

“…Seismic attributes can be used for either qualitative or quantitative interpretation of channel structures [3]. Amplitude and frequency, for instance, are seismic attributes that have sensitivity in detecting thin-bed thickness [4][5][6][7][8][9][10][11]. Widess [4] has shown that reflection amplitude and frequency change as bed thickness changes.…”

Section: B Introductionmentioning

confidence: 99%

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The Maximum Amplitude Weighted Integrated Energy Spectra: A New Gauge in Seismic Thin-Bed Interpretation

Purnomo

Ghosh

2015

J. Eng. Technol. Sci.

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Abstract. Some combinations of seismic attributes are superior in detecting thinbed thickness from 3D seismic data. However, their physical unit or meaning can be difficult to determine. Such attributes are considered as relative values. This paper introduces a newly developed relative-value attribute, which was identified to be more sensitive in detecting seismic thin-bed structures. The new attribute was developed based on seismic frequency shifting and amplitude decrease phenomena that occur when the seismic wave responds to a thinning bed structure. The new attribute is constructed by multiplying the integrated energy spectra with the relative maximum amplitude. Through a wedge model seismic test it was shown that the new relative-value attribute consistently gave more proportional and linear responses to the thin-bed thickness. The new attribute was examined in delineating a channel structure on the basis of public 3D seismic data from Stratton Field, Texas USA and the Group F Reservoir in the Malay Basin, Malaysia. The new attribute delineated the meandering channels featured in those two fields very well.

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Section: Discussionmentioning

confidence: 62%

Section: Stratton Field Seismic Structurementioning

confidence: 98%

“…While the parent attributes are better in detecting thin-bed sand, sweetness is claimed to be better in giving net-pay estimation [10].…”

Section: Sweetnessmentioning

confidence: 99%

Section: B Introductionmentioning

confidence: 99%

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The Maximum Amplitude Weighted Integrated Energy Spectra: A New Gauge in Seismic Thin-Bed Interpretation

Purnomo

Ghosh

2015

J. Eng. Technol. Sci.

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“…Posamentier and Walker (2006) call this type of MTCs "opportunistic" because it opportunistically used an earlier-formed channel, which enhances its erosive power. Figure 4.6: Interpreted map of sweetness attribute from the frontal-splay horizon at the reservoir level with TWTT-contours, CI= 25 ms. High sweetness is associated to sand-rich and hydrocarbon-charged deposits (Hart, 2008). A 1 , A 2 , and A 3 referred to the areas of the three high-sweetness compartments.…”

Section: The Scouring Mtcmentioning

confidence: 99%

Fabric Development and Pore-Throat Reduction in a Mass-Transport Deposit in the Jubilee Gas Field, Eastern Gulf of Mexico: Consequences for the Sealing Capacity of MTDs

Cardona

Wood

Day-Stirrat

et al. 2016

Advances in Natural and Technological Hazards Research

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Active Seafloor Seepage Along Hydraulic Fractures Connected to Lateral Stress From Salt‐Related Rafting: Regab Pockmark, Congo Fan

Wenau

Spieß

2018

JGR Solid Earth

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Seafloor seepage is a widespread phenomenon within salt‐influenced basins as the deformation provides pathways for hydrocarbons to reach the seafloor. However, only minor attention has been given to the distal parts of such systems where the impact of salt tectonic deformation is relatively unpronounced. The stress put on the sedimentary column by moving salt on a continental margin may influence fluid flow systems even outside of the salt province. This stress may lead to overpressure formation within reservoirs and determine the orientation of overpressure‐induced fractures. Seepage in the Congo Fan has been discovered in such a distal position at the Regab pockmark, about 35 km west of the salt front, and its geology and biology have been studied extensively in recent years. We present high‐resolution multichannel seismic data from the Regab pockmark that reveal the underlying migration pathways from a buried channel flank 300 m below seafloor to the seafloor via hydraulic fractures in the sealing overburden. Local doming of the reservoir and the remobilization and uplift of sedimentary strata along the migration pathways are interpreted as the result of overpressure within the reservoir. The orientation of the hydraulic fractures is WSW‐ENE, and the fracture outline corresponds to the area of most intense seepage activity within the seafloor pockmark. Along with a similar orientation of other fractures in the vicinity, we propose that this alignment is due to the stress imposed on the sedimentary column in the fan by the seaward moving salt and rafting sedimentary packages of the salt province further east.

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Channel detection in 3-D seismic data using sweetness

Cited by 143 publications

References 11 publications

The Maximum Amplitude Weighted Integrated Energy Spectra: A New Gauge in Seismic Thin-Bed Interpretation

The Maximum Amplitude Weighted Integrated Energy Spectra: A New Gauge in Seismic Thin-Bed Interpretation

Fabric Development and Pore-Throat Reduction in a Mass-Transport Deposit in the Jubilee Gas Field, Eastern Gulf of Mexico: Consequences for the Sealing Capacity of MTDs

Active Seafloor Seepage Along Hydraulic Fractures Connected to Lateral Stress From Salt‐Related Rafting: Regab Pockmark, Congo Fan

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