Improving Structural and Stratigraphic Analysis Using Subsurface ResidualAnomaly Maps: Case Study from Arabian Platform
Bibliographic record
Abstract
Improving Structural and Stratigraphic Analysis Using Subsurface Residual Anomaly Maps: Case Study from Arabian Platform Abdulmotaleb Mohammed Al-Qahtani; Abdulmotaleb Mohammed Al-Qahtani Saudi Aramco Search for other works by this author on: This Site Google Scholar Emad Abdullah Al-Muzaiyen Emad Abdullah Al-Muzaiyen Saudi Aramco Search for other works by this author on: This Site Google Scholar Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE, November 2006. Paper Number: SPE-102415-MS https://doi.org/10.2118/102415-MS Published: November 05 2006 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Al-Qahtani, Abdulmotaleb Mohammed, and Emad Abdullah Al-Muzaiyen. "Improving Structural and Stratigraphic Analysis Using Subsurface Residual Anomaly Maps: Case Study from Arabian Platform." Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE, November 2006. doi: https://doi.org/10.2118/102415-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)Abu Dhabi International Petroleum Exhibition and Conference Search Advanced Search AbstractIn Arabian Platform, tracing the sequential development of geological structures is often a challenging task due to the activity of multiple tectonic events throughout its geologic history. Originalstructures have not yet been reconfigured during the Paleozoic and Mesozoic, leaving long and complex growth histories. To unravel the development of these structures, analysis of isopach maps at specific structural events must be considered. The following study was undertaken in an effort to reconstruct the development history of the Arabian Peninsula. Several different residual growth analyses were performed to answer questions regarding the timing of the growth of the structure, and the mechanisms responsible for the location and shape of the structure. General interpretations of several seismic lines provided information about the location and trend of a basement level fault that exists directly underneath Arabian Platform sedimentary section. Detailed interpretation of residual growth maps reveals regional NW-SE and N-S major faults, characteristic of compression and strike-slip geometry associated with Hercynian Orogeny. In addition to gravity and magnetic data, structure and isopach maps constructed from several hundred wells and thousands of 2D seismic data throughout Arabian platform help to constrain the aerial extent of basement structure and sedimentary facies distributions overlying basement structures. Residual growth maps were computed to identify growth related thinning and subsidence thickening which will be correlated with features seen in the seismic data. Results of the above analyses demonstrate that the Arabian Platform has a long growth history, beginning as early as Pre-Cambrian time, and continuing through the Middle to Early TertiaryExecutive SummeryObjectivesThe essence of residual is that we would like to compute the best data set that could have been obtained in a field scale if regional tilt of the Arabian Platform had been minimum factor. This paper is intended to demonstrate some of the capabilities of high-resolution geophysical methods in the petroleum traps of the Arabian Platform. The primary goal is to establish the utility of integrated geophysical methods effectively in mapping petroleum traps known to occur within Arabian basins. Because of regional tilts affecting the platform during geological history, different linear filters were applied on standard subsurface seismic isopach maps to determine the residual structural growth versus subsidence.BackgroundThe technique of separating standard map data into two components of local fluctuations (residual) and trend surfaces (regional) has been used successfully by petroleum explorationists in many parts of the world and its application includes the discovery of the famous Leduc Reefs in the Alberta Basin in Central Alberta, Canada. Keywords: Reservoir Characterization, isopach map, subsidence, Upstream Oil & Gas, subsurface residual anomaly map, geometry, basin geometry, stratigraphic analysis, History, residual map Subjects: Reservoir Characterization, Seismic processing and interpretation This content is only available via PDF. 2006. Society of Petroleum Engineers You can access this article if you purchase or spend a download.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".