3D seismic attributes and well-log facies analysis for prospect identification and evaluation: Interpreted palaeoshoreline implications, Weirman Field, Kansas, USA

A. E. Raef, F. Mattern, C. Philip, M. W. Totten

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We present a workflow integrating post-stack seismic attributes and well-log facies analysis in order to understand the development history and depositional setting of the Weirman Field in central Kansas, and to propose a fresh prospect-evaluation approach for our study area. This study successfully addresses compartmentalisation due to highly variable lithofacies by analysing geophysical well-logs, lithofacies modelling, and 3D seismic attributes including time thickness, amplitude, and structural time maps. In the light of some discouraging drilling results at Weirman Field, we recommend a revised approach to prospect evaluation, based upon a newly interpreted palaeodepositional setting, to predict the distribution of clean sand facies, using a combination of seismic attribute signatures and structural closure maps. In support of our interpretation, we compare the proposed palaeodepositional setting with a modern analogue of a transitional coastal to shallow marine depositional environment. The dimensions and spatial relationships of the interpreted geo-bodies are in conformity with the modern shoreline analogues of a barrier beach or strandplain adjacent to an estuary. The lithofacies clustering was calibrated to a lithostratigraphic column, which was constructed based on drilling-cuttings of Wanda Judeen No. 1. This calibration was upheld against correlation with well-logs for other wells.

Original languageEnglish
Pages (from-to)40-51
Number of pages12
JournalJournal of Petroleum Science and Engineering
Volume133
DOIs
Publication statusPublished - Sep 1 2015

Fingerprint

facies analysis
lithofacies
Drilling
Estuaries
Beaches
drilling
compartmentalization
Sand
Calibration
depositional environment
marine environment
shoreline
estuary
calibration
well
sand
history
modeling
attribute
evaluation

Keywords

  • Cherokee sands
  • Gamma ray
  • Lithofacies
  • Porosity
  • Seismic attributes

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Fuel Technology

Cite this

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abstract = "We present a workflow integrating post-stack seismic attributes and well-log facies analysis in order to understand the development history and depositional setting of the Weirman Field in central Kansas, and to propose a fresh prospect-evaluation approach for our study area. This study successfully addresses compartmentalisation due to highly variable lithofacies by analysing geophysical well-logs, lithofacies modelling, and 3D seismic attributes including time thickness, amplitude, and structural time maps. In the light of some discouraging drilling results at Weirman Field, we recommend a revised approach to prospect evaluation, based upon a newly interpreted palaeodepositional setting, to predict the distribution of clean sand facies, using a combination of seismic attribute signatures and structural closure maps. In support of our interpretation, we compare the proposed palaeodepositional setting with a modern analogue of a transitional coastal to shallow marine depositional environment. The dimensions and spatial relationships of the interpreted geo-bodies are in conformity with the modern shoreline analogues of a barrier beach or strandplain adjacent to an estuary. The lithofacies clustering was calibrated to a lithostratigraphic column, which was constructed based on drilling-cuttings of Wanda Judeen No. 1. This calibration was upheld against correlation with well-logs for other wells.",
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T2 - Interpreted palaeoshoreline implications, Weirman Field, Kansas, USA

AU - Raef, A. E.

AU - Mattern, F.

AU - Philip, C.

AU - Totten, M. W.

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AB - We present a workflow integrating post-stack seismic attributes and well-log facies analysis in order to understand the development history and depositional setting of the Weirman Field in central Kansas, and to propose a fresh prospect-evaluation approach for our study area. This study successfully addresses compartmentalisation due to highly variable lithofacies by analysing geophysical well-logs, lithofacies modelling, and 3D seismic attributes including time thickness, amplitude, and structural time maps. In the light of some discouraging drilling results at Weirman Field, we recommend a revised approach to prospect evaluation, based upon a newly interpreted palaeodepositional setting, to predict the distribution of clean sand facies, using a combination of seismic attribute signatures and structural closure maps. In support of our interpretation, we compare the proposed palaeodepositional setting with a modern analogue of a transitional coastal to shallow marine depositional environment. The dimensions and spatial relationships of the interpreted geo-bodies are in conformity with the modern shoreline analogues of a barrier beach or strandplain adjacent to an estuary. The lithofacies clustering was calibrated to a lithostratigraphic column, which was constructed based on drilling-cuttings of Wanda Judeen No. 1. This calibration was upheld against correlation with well-logs for other wells.

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