Stress state and its influence on drilling performance in the Brighton Marine field, Trinidad

Harper, T.R.; Chambers, John L. C.

doi:10.1016/j.marpetgeo.2004.02.005

Cited by 4 publications

(3 citation statements)

References 16 publications

(19 reference statements)

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“…Although geomorphic, paleoseismic, and borehole distortion data (e.g., Crosby et al, 2001;Harper and Chambers, 2004) suggest that a few mm/yr of dextral-slip is taken up across the Los Bajos Fault, we cannot confirm this geodetically. The w15 mm/yr of motion that we get from our elastic dislocation modeling and repeat GPS-to-GPS measurements, differenced from Weber et al's (2001a) 20 mm/yr of total plate motion, suggest that w5 mm/yr of motion could be taken up across the Los Bajos Fault or on additional faults along the south coast or in the offshore south of Trinidad (Columbus channel).…”

Section: Discussionmentioning

confidence: 66%

See 1 more Smart Citation

Triangulation-to-GPS and GPS-to-GPS geodesy in Trinidad, West Indies: Neotectonics, seismic risk, and geologic implications

Weber

Saleh

Balkaransingh

et al. 2011

Marine and Petroleum Geology

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Section: Discussionmentioning

confidence: 66%

“…Hengesh, 1999, personal communication). Active distortion of oil well boreholes near the Los Bajos Fault is also consistent with current activity (Harper and Chambers, 2004). However, new trenching data that we collected (Prentice and Weber, unpublished, 2005) do not unequivocally confirm this interpretation.…”

Section: Plate-motion-parallel Modelsmentioning

confidence: 61%

Triangulation-to-GPS and GPS-to-GPS geodesy in Trinidad, West Indies: Neotectonics, seismic risk, and geologic implications

Weber

Saleh

Balkaransingh

et al. 2011

Marine and Petroleum Geology

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“…Engelder & Sbar 1976) or disintegration. An incidental test of the ability to retain strain energy when subject to even quite severe diurnal fluctuation was reported by Harper & Chambers (2004). These authors documented successful LIFE tests to determine stress orientation on unpreserved core which had lain in an uninsulated core shed in the West Indies for 40 years.…”

Section: Strains Induced By a Diametral Sawcutmentioning

confidence: 97%

The nature of stress state: numerical and laboratory experiments and some field observations

Harper¹,

Hagan²

2015

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Simulations of the stress state in a region of discontinuously fractured rock revealed a strongly heterogeneous, self-organized stress distribution displaying internally balanced strains and corresponding energy storage. The explicit simulations follow a sequence which may be inferred to be irreversible and strongly dependent on interaction between fractures, implying a time-dependency. The state of the simulated reservoir displays a sensitivity characteristic of marginal stability. These numerical observations are compared with new and previous laboratory and field experiments spanning a wide range of size, stress magnitude and stress difference. The characteristics of the state of the simulated reservoir, laboratory samples and field behaviour are found to be consistent with the numerical predictions. A stress memory is evident. This supports previous conclusions that the concept of stress state as uniform, constant and resulting from averaged values of stresses or displacements, presently applied at remote and artificial boundaries, is grossly oversimplified and flawed.

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Conventional and intelligent models for detection and prediction of fluid loss events during drilling operations: A comprehensive review

Krishna

Ridha

Vasant

et al. 2020

Journal of Petroleum Science and Engineering

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Fluid loss to subsurface formations is a challenging aspect during drilling operations in petroleum industry. Several other drilling issues such as fluid influx and pipe sticking can be triggered in such scenarios, posturing a significant risk to rig personnel, environment, and economical drilling. Therefore, prediction and early detection of lost circulation events are required for safe and economic drilling operation. Several theoretical studies have been performed to detect and predict fluid loss event during hydrocarbon extraction. This paper reviews the existing conventional and intelligent models developed for early detection and prediction of lost circulation events. These predictive and detecting models comprise of Artificial Intelligence (AI) algorithms that require improvements for data reduction, universal prediction and compatibility. The review also covers several sensor-based techniques, different geostatistical-based models and Pressure-While-Drilling (PWD) tools for their applications in early loss circulation detection. In addition, loss circulation zones types, severity level, scenario and common preventive measures are also included in this review. This study aims to provide a systematic review of the published literature from the last forty years on the developed conventional and intelligent models for detection and prediction of fluid loss events and emphasizes on increasing AI involvement for precise results.

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Stress state and its influence on drilling performance in the Brighton Marine field, Trinidad

Cited by 4 publications

References 16 publications

Triangulation-to-GPS and GPS-to-GPS geodesy in Trinidad, West Indies: Neotectonics, seismic risk, and geologic implications

Triangulation-to-GPS and GPS-to-GPS geodesy in Trinidad, West Indies: Neotectonics, seismic risk, and geologic implications

The nature of stress state: numerical and laboratory experiments and some field observations

Conventional and intelligent models for detection and prediction of fluid loss events during drilling operations: A comprehensive review

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