scholarly journals The unusual 3D interplay of basement fault reactivation and fault-propagation-fold development: A case study of the Laramide-age Stillwell anticline, west Texas (USA)

2015 ◽  
Vol 79 ◽  
pp. 42-56 ◽  
Author(s):  
Ben Surpless ◽  
Nicola Hill ◽  
Cara Beasley
Keyword(s):  
Fault Reactivation ◽  
Fault Propagation ◽  
West Texas ◽  
Basement Fault ◽  
Fault Propagation Fold

Trishear kinematic model of fault-propagation folding and sequential development of minor structures; the Oupia Anticline (NE Pyrenees, France) case study

2000 ◽  
Vol 171 (4) ◽  
pp. 441-449 ◽  
Author(s):  
Sylvain Grelaud ◽  
Diego Buil ◽  
Stuart Hardy ◽  
Dominique Frizon de Lamotte
Keyword(s):  
Kinematic Model ◽  
Kink Band ◽  
The Self ◽  
Band Model ◽  
Fault Propagation ◽  
Sequential Development ◽  
Fault Propagation Fold ◽  
Self Similar

Abstract The Oupia anticline is a fault-propagation fold located at the northeastern tip of the Pyrenees. We show that this structure is suitably modelled using the trishear kinematic model rather than the self-similar kink-band model. In particular, the trishear model accounts well for the change in forelimb dip along strike as well as for sequential overall thickening and then thinning of the forelimb deduced from microtectonic analysis.

3-D anatomy of an active fault-propagation fold: A multidisciplinary case study from Tsaishi, western Caucasus (Georgia)

2017 ◽  
Vol 717 ◽  
pp. 253-269 ◽  
Author(s):  
A. Tibaldi ◽  
E. Russo ◽  
F.L. Bonali ◽  
V. Alania ◽  
A. Chabukiani ◽  
...  
Keyword(s):  
Active Fault ◽  
Fault Propagation ◽  
Western Caucasus ◽  
Fault Propagation Fold

SARS-CoV-2 and The Case for Empirical Treatment (Preprint)

2020 ◽  
Author(s):  
Richard P Bartlett ◽  
Alexandria Watkins
Keyword(s):  
Diabetes Mellitus ◽  
Type Ii Diabetes ◽  
The United States ◽  
Type Ii Diabetes Mellitus ◽  
Outpatient Setting ◽  
Empirical Treatment ◽  
Residual Effects ◽  
Type Ii ◽  
West Texas

UNSTRUCTURED Background: This is an outpatient case study that examines two patients in the United States with unique cases that involve oncology, hypertension, Type II Diabetes Mellitus, and Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), also known as COVID-19. This case study involves two patients in the outpatient setting - treated via telemedicine, with laboratory-confirmed SARS-CoV-2 infection in the West Texas region between March 29th, 2020, and May 14th, 2020. Case Report: The first patient is a 63-year-old female, non-smoker, who is diagnosed with Waldenstrom’s Macroglobulinemia (2012) and Primary Cutaneous Marginal Zone Lymphoma (2020) and the second patient is a 38-year-old male, non-smoker, who has the following comorbidities: Type II Diabetes Mellitus (DM), hypertension, and gout. Both patients were empirically started on budesonide 0.5mg nebulizer twice daily, clarithromycin (Biaxin) 500mg tab twice daily for ten days, Zinc 50mg tab twice daily, and aspirin 81mg tab daily. Both patients have fully recovered with no residual effects. Conclusion: The goal is to call attention to the success of proactive, early empirical treatment, combining a classic corticosteroid (budesonide) administered via a nebulizer and an oral macrolide antibiotic known as clarithromycin (Biaxin).

Improving Well Completion via Real-Time Microseismic Monitoring: A West Texas Case Study

2010 ◽  
Author(s):  
Efejera Akpodiate Ejofodomi ◽  
Malcolm Yates ◽  
Robert Downie ◽  
Tarik Itibrout ◽  
O.A. Catoi
Keyword(s):  
Real Time ◽  
Microseismic Monitoring ◽  
Well Completion ◽  
West Texas

Integrated Workflow for Feasibility Study of Cuttings Reinjection Based on 3D Geomechanics Analysis and Case Study

2021 ◽  
Author(s):  
Xinpu Shen
Keyword(s):  
Feasibility Study ◽  
Best Practice ◽  
Injection Pressure ◽  
Accurate Solution ◽  
Fault Reactivation ◽  
Injection Well ◽  
Maximum Magnitude ◽  
Richter Scale ◽  
Effective Stress Ratio

Abstract This paper presents an integrated workflow for feasibility study of cuttings reinjection (CRI) based on 3D geomechanics analysis. Solutions of various mechanical variables obtained with 3D geomechanics analysis at various level of scale are used as basis for designing parameters of CRI. Solutions of geomechanics analysis provide basis for a feasibility study and/or design of CRI: solution of 3D geostress distribution and the effective stress ratio are the essential factors for selecting the best location of injection well; solution of 1D geomechanics analysis provides basis for choice of true vertical depth (TVD) interval for injection sections; and hydraulic fracturing performed in the framework of 3D geomechanics analysis provides the most accurate solution for both the injection pressure window and fault reactivation related to CRI as well as estimation of seismic behavior. Example of feasibility study of cuttings reinjection with the integrated workflow proposed here is presented with data from a case in offshore West Africa. Solutions of geomechanics analysis are used for decision making at various stages of CRI. There are several faults in this region. The location of the injection well is chosen at a place with principal stress ratio's value at 0.68. The interval of injection well section is chosen as a 140-ft section with center at TVD = 6,700 ft. The numerical solution of injection pressure window is defined with 46 MPa as lower bound and 80 MPa as upper bound. The width of the fracture is 0.069 m, and length and height are 4,000 m and 100 m respectively. The accommodation volume of fluid with cuttings is 2.76×104 m3. The maximum magnitude of Richter scale of the seismicity corresponding to the fault reactivation is 3.15. The case study described in this paper provides an integrated workflow for feasibility study of CRI based on 3D geomechanics analysis. A best practice for this type of CRI design is also presented.

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