Academic literature on the topic 'Fluid mud map'

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Journal articles on the topic "Fluid mud map"

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Yonnana, Ezekiel, and Raji Aminu. "Assessment of Hydrogeomorphic Suitability of Lake Mbemun for Socio-cultural Fishing Festival in the Bachama Chiefdom, Adamawa State, Northeastern Nigeria." Journal of Geography, Environment and Earth Science International 10, no. 3 (2017): 1–9. https://doi.org/10.9734/JGEESI/2017/33534.

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The feasibility of socio cultural fishing in any fluviatile lake strongly depends on water and fluid mud depths of the lake. In this study, the suitability of Lake Mbemun for a socio cultural fishing festival has been examined. Using the data obtained from hydrographic survey, Bathymetric and fluid mud depth maps of the lake for March 2016 were prepared. Both maps were used for hydro geomorphologic analyses of the lake. Results showed that the lake had a fetch of 2.95 km, a maximum width of 2.01 km and a surface area of 3.65 km<sup>2</sup>, making it widely opened to wind and waves impacts whi
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Bravo, Maria Cecilia, Alexandra Cely, Gulnar Yerkinkyzy, et al. "A Novel Method to Map Heavy Oil Viscosity From Standard Mud Gas – A Field Case From the Peregrino Field." Petrophysics – The SPWLA Journal of Formation Evaluation and Reservoir Description 65, no. 4 (2024): 507–18. http://dx.doi.org/10.30632/pjv65n4-2024a6.

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Peregrino is a heavy oil field in the Campos Basin offshore Brazil. The field started production in 201, and Phase 2 was on stream in 2022. More development drilling is ongoing. The oil viscosity in Phase 2 has large variations from limited exploration wells, ranging from 30 to 180 cp. Any changes in the viscosity in the reservoirs can lead to a large difference in oil recovery. Therefore, updating the viscosity distribution in the reservoirs along with the development drilling is important. Different methods can acquire reservoir oil viscosity, including downhole logging and sampling, mud gas
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Mihai, Andrei, Alexandra Gerea, Dragoș Tataru, Eduard Nastase, and Bogdan Grecu. "A Geophysical Investigation of the Pâclele Mici Mud Volcano in Romania Using Deep Geoelectrical Surveys." Applied Sciences 14, no. 6 (2024): 2463. http://dx.doi.org/10.3390/app14062463.

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This work presents a case study of a geoelectrical exploration of understudied mud volcanoes in Romania, specifically the Pâclele Mici mud volcano from Buzău County. Using a geoelectrical technique facilitated by the distributed network of V-FullWaver equipment, we present, to our knowledge, the first deep 3D case study of a mud volcano in the country. The findings indicate that while geoelectrical surveys in such environments are met with important challenges in terms of soil conductivity, they nonetheless provide a viable approach to uncovering the complex structures and processes of mud vol
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Haerudin, Nandi, Wahyudi, Dikdik Risdianto, and Wiwit Suryanto. "Application of Radon Isotopes to Determine Permeable Zones in Rajabasa Geothermal Field, Indonesia." Applied Mechanics and Materials 771 (July 2015): 165–69. http://dx.doi.org/10.4028/www.scientific.net/amm.771.165.

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This study aims to determine permeable zones (i.e. fault or fracture zones) in the Rajabasa geothermal field using radon isotopes. Radon concentration of soil gas was measured by Scintrex Radon detector RDA 200 consisting of 123 measurement station. The measurement site spacing are between 200 m and 350 m. The Radon concentration was classified based on a statistical approach, i.e. low, high and very high. Very high value of Radon concentration, called Radon anomaly, associated with permeable zones. From the Radon anomaly contour map, a 2D Radon migration from the source to the surface was mod
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Esposito, Antonietta M., Walter De Cesare, Giovanni Macedonio, and Flora Giudicepietro. "Efficient SOM’s Application to Seismic Fumarolic Tremor for the Detection of Anomalous Hydrothermal Activity in Campi Flegrei Volcano (Italy)." Applied Sciences 13, no. 9 (2023): 5505. http://dx.doi.org/10.3390/app13095505.

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In recent decades, the Campi Flegrei caldera (Italy) showed unrest characterized by increases in seismicity, ground uplift, and hydrothermal activity. Currently, the seismic and hydrothermal phenomena are mostly concentrated in the Solfatara–Pisciarelli area, which presents a wide fumarolic field and mud emissions. The main fumarole in Pisciarelli is associated with a boiling mud pool. Recently, episodes of a sudden increase in hydrothermal activity and expansion of mud and gas emissions occurred in this area. During these episodes, which occurred in December 2018 and September 2020, Short Dur
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Dhiyaulhaq, I. D., I. W. Warmada, and A. Setianto. "Machine Learning for Mapping the Distribution of Clay Minerals in Sidoarjo Mud Volcano (LUSI) Using Support Vector Machine (SVM) Algorithm." IOP Conference Series: Earth and Environmental Science 1373, no. 1 (2024): 012062. http://dx.doi.org/10.1088/1755-1315/1373/1/012062.

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Abstract Sidoarjo Mud Volcano (LUSI) is a natural phenomenon that has led to the emergence of volcanic mud eruptions in the city of Sidoarjo, East Java Province, with a generated volume of volcanic mud of approximately 80.000 m3 per day. However, only about 60.000 m3 can be managed daily, resulting in an excess of volcanic mud that accumulates and overflows into the surrounding area from the center of the mud eruption. This volcanic mud include high-temperature gas and fluid, which pose significant obstacles and limitations for conducting research at the location. Remote sensing methods, which
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Yanko, V. V., O. S. Dikol, S. V. Kadurin, G. O. Kravchuk, V. M. Kadurin, and T. O. Kondariuk. "SAFETY COMPONENT OF STUDYING THE UNLOADING OF DEEP FLUID FLOWS ON THE BLACK SEA FLOOR." Odesa National University Herald. Geography and Geology 29, no. 2(45) (2025): 150–65. https://doi.org/10.18524/2303-9914.2024.2(45).318042.

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Problem Statement and Purpose. The achievements of geological science together with the forecast of new mineral resources, especially oil and gas in the marine environment, have also revealed natural phenomena that exist on the Black Sea bottom and imply substantial risk. These include (1) methane emissions through seeps and gas plumes that are prone to spontaneous catastrophic combustion and (2) eruptions of mud volcanoes accompanied by the release of breccia and mineralized solutions of deep fluids that change the physical and chemical properties of the seawater. Obviously, these natural phe
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RYAN, JAROD, MARKUS BUSSMAN, and NIKOLAI DEMARTINI. "CFD and predictive modeling of temperature and calcination in a rotary lime kiln – Potential for steadier kiln operation." TAPPI Journal 23, no. 10 (2024): 545–58. http://dx.doi.org/10.32964/tj23.10.545.

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Rotary lime kilns are used in the pulp and paper industry to calcine lime mud to lime. Lime kiln models provide a means to understand the complex phenomena occurring within the kiln to aid in problem-solving during operation. A two-dimensional (2D) computational fluid dynamics (CFD) and one-dimensional (1D) bed model was previously developed for steady-state and transient analysis. This study explores data extracted from the model over a longer time period. The simulated outlet gas and shell temperature are compared to measured data for validation. The capability of using the model to estimate
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Greene, H. Gary, J. Vaughn Barrie, Daniel S. Brothers, et al. "Slope failure and mass transport processes along the Queen Charlotte Fault Zone, western British Columbia." Geological Society, London, Special Publications 477, no. 1 (2018): 85–106. http://dx.doi.org/10.1144/sp477.31.

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AbstractMultibeam echosounder (MBES) images, 3.5 kHz seismic-reflection profiles and piston cores obtained along the southern Queen Charlotte Fault Zone are used to map and date mass-wasting events at this transform margin – a seismically active boundary that separates the Pacific Plate from the North American Plate. Whereas the upper continental slope adjacent to and east (upslope) of the fault zone offshore of the Haida Gwaii is heavily gullied, few large-sized submarine landslides in this area are observed in the MBES images. However, smaller submarine seafloor slides exist locally in areas
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Browning, James V., Kenneth G. Miller, W. John Schmelz, and Peter J. Sugarman. "Eocene sequences and forward modeling of the New Jersey coastal plain, U.S.A.: changing depositional styles in response to climate and sea level." Journal of Sedimentary Research 95, no. 2 (2025): 383–404. https://doi.org/10.2110/jsr.2024.069.

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ABSTRACT We map the spatial and temporal distribution and depositional environments of Eocene sequences and formations in the New Jersey Coastal Plain, USA, using an array of coreholes and gamma logs. On this passive margin, Eocene depositional systems reflect a change from prograding earliest Eocene mud lobes, to early to middle Eocene hemipelagic ramp, and finally to late middle Eocene prograding sandy sequences. The Marlboro Clay, containing the Paleocene–Eocene Thermal Maximum (PETM), was deposited as prograding fluid mud during times of high global temperatures; it is found in northern an
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Books on the topic "Fluid mud map"

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Hahn, Robert G. Intravenous fluids in anaesthetic practice. Edited by Michel M. R. F. Struys. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199642045.003.0020.

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Infusion fluids may be regarded as drugs in the perioperative setting. The therapeutic effects of crystalloid solutions are strongly related to the administered volume, while fluids of the colloid type may also improve microcirculation and have anti-inflammatory properties. The anaesthetist should be able to handle all available infusion fluids and be aware of their benefits, limitations, and risks. Fluid administration programmes for surgery are traditionally based on a balance method in which perceived and measured losses are continuously replaced. Two outcome-guided approaches—restrictive a
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Hahn, Robert G. Fluid and electrolyte physiology in anaesthetic practice. Edited by Jonathan G. Hardman. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199642045.003.0003.

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The maintenance of body fluid homeostasis is an essential task in perioperative care. Body fluid volumes are tightly controlled by the nervous system, by hormones, and by the kidneys. All these systems are affected by anaesthesia and surgery in ways that must be appreciated by the anaesthetist. Administration of infusion fluids is the key tool to prevent major derangements of the body fluid volumes during before, during, and after surgery. By varying its composition, an infusion fluid can be made to selectively expand or shrink a body fluid compartment. The total osmolality determines whether
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Jörres, Achim, Dietrich Hasper, and Michael Oppert. Fluid overload in acute kidney injury. Edited by Norbert Lameire. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0229.

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A central objective in the management of acute kidney injury is the restoration and maintenance of adequate systemic and renal perfusion, often requiring the parallel administration of fluids and vasoactive drugs. However, hypovolaemia and fluid overload may both predispose the patient to complications and poor outcomes. Therefore, body weight and daily fluid intake/output should be recorded, patients should continuously be assessed for clinical signs of under- or over-hydration, and adequate monitoring of haemodynamic parameters should be performed. Together these parameters constitute the ba
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Greenlee, John E. Cerebrospinal Fluid. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199937837.003.0145.

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Evaluation of cerebrospinal fluid is of essential importance in the diagnosis of central nervous system infections, with a major role in the diagnosis of meningitis and encephalitis. In bacterial and viral meningitis, CSF evaluation is usually straightforward, and well-defined serological and molecular techniques are available for CSF examination in many of the more common viral encephalitides. This is in contrast to CSF evaluation in cases of tuberculous and chronic meningitis, in which organisms may be difficult to detect by culture or polymerase chain methods or antigen detection. This chap
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Myburgh, John, and Naomi E. Hammond. Choice of resuscitation fluid. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0069.

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Fluid resuscitation is a ubiquitous intervention in critically-ill patients. There is wide variation in practice and emerging evidence that the choice of resuscitation fluid may affect outcome in selected patient populations. It is likely that beneficial or adverse effects relate not only to the physicochemical properties of the fluid but also to the volume (dose) and rate of administration. Interstitial oedema is a common side-effect associated with all fluids and its development is associated with organ dysfunction. Crystalloids should be first-choice resuscitation fluids for almost all pati
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Raghunathan, Karthik, and Andrew Shaw. Crystalloids in critical illness. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0057.

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‘Crystalloid’ refers to solutions of crystalline substances that can pass through a semipermeable membrane and are distributed widely in body fluid compartments. The conventional Starling model predicts transvascular exchange based on the net balance of opposing hydrostatic and oncotic forces. Based on this model, colloids might be considered superior resuscitative fluids. However, observations of fluid behaviour during critical illness are not consistent with such predictions. Large randomized controlled studies have consistently found that colloids offer no survival advantage relative to cry
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Zetterberg, Henrik, and Jonathan M. Schott. Fluid Biomarkers Indicative of Neurodegenerative Diseases. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190233563.003.0008.

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A major unifying feature of neurodegenerative diseases (NDDs) is excessive neuronal loss. Depending on when and where this occurs, patients may express distinct neurological and psychiatric symptoms. Neurodegeneration is accompanied by protein aggregation, inflammation, and microglial activation that may be drivers of the disease or in some circumstances may be protective reactions to the neurodegenerative process. A key development over the past decade has been our ability to leverage these accompanying central nervous system changes to develop clinically impactful biomarkers of specific NDDs
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Anderson, John A., Pierre-Antoine Laloë, and Derek J. Tuffnell. Amniotic fluid embolism (anaphylactoid syndrome of pregnancy). Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198713333.003.0038.

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Amniotic fluid embolus (AFE) is a rare occurrence but consistently remains one of the leading causes of maternal death in the developed world each year. Incidence in the United Kingdom is approximately 1 in 50,000 maternities and this seems to have stayed roughly stable. Quoted survival rates are improving, which may be a reflection of improved understanding and better care. This chapter aims to give an epidemiological background, outline the principles which are believed to underpin the pathophysiological changes which occur in episodes of AFE, and give readers a guide to treatment immediatel
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Holder, Helen. Nutrition and hydration. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199642663.003.0010.

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On admission, patients should have nutritional screening and assessment, in order to plan effective peri-operative nutritional care and prevent surgical complications associated with a poor nutritional status. The malnourished patient may require enteral nutrition in the form of oral nutritional supplements or enteral tube feeding. The surgical patient is at risk of peri-operative and/or electrolyte disturbances which can lead to dehydration, fluid overload, and cardiac arrhythmias. Accurate fluid balance monitoring will enable the nurse to identify fluid disturbances, assess the effectiveness
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Biswas, Santanu, and John J. Frank. Management of pericardial tamponade. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0167.

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Cardiac tamponade is an emergency, and definitive therapy is fluid removal by pericardiocentesis. In certain conditions, fluid removal is still the optimal choice, but a conservative approach using haemodialysis may be employed. Factors that influence the management strategy include evaluating the cause, providing haemodynamic support, and choosing the technique. Fluid resuscitation to maintain venous pressure and circulation may be beneficial up to a point, after which, tamponade may be aggravated. While inotropes have theoretical benefit, studies involving humans are few. Fluid removal strat
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Book chapters on the topic "Fluid mud map"

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Varma, Vijay R., Yi-Fang Chuang, and Madhav Thambisetty. "Neuroimaging and fluid biomarkers of Alzheimer’s disease." In Oxford Textbook of Neurologic and Neuropsychiatric Epidemiology, edited by Carol Brayne, Valery L. Feigin, Lenore J. Launer, and Giancarlo Logroscino. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198749493.003.0002.

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Neuroimaging and fluid biomarkers have revolutionized the way we define Alzheimer’s disease (AD), identify at-risk individuals, diagnose those with symptoms, and may eventually enable us to treat patients in the earliest stages of the disease. We review advances in imaging the principal pathological hallmarks and functional perturbations in the AD brain and map progress in identifying cerebrospinal fluid and blood biomarkers of AD. Together, these modalities have provided invaluable insights into the evolution of AD decades before the onset of cognitive impairment. While they have been rapidly
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Lee, Christine U., and James F. Glockner. "Case 5.7." In Mayo Clinic Body MRI Case Review, edited by Christine U. Lee and James F. Glockner. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0135.

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38-year-old man with a history of a benign asymptomatic chest mass and mild thrombocytopenia Coronal SSFSE (Figure 5.7.1) and axial fat-suppressed FSE T2-weighted images (Figure 5.7.2) show multiple large cystic lesions throughout the spleen. Note the fluid-fluid levels in the inferior FSE image as well as the cystic mass in the right upper chest on the SSFSE image. Axial postgadolinium equilibrium phase 3D SPGR images (...
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Lee, Christine U., and James F. Glockner. "Case 12.15." In Mayo Clinic Body MRI Case Review, edited by Christine U. Lee and James F. Glockner. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0313.

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42-year-old man with painless hematospermia Axial fat-suppressed T2-weighted FRFSE images (Figure 12.15.1) obtained with an endorectal coil demonstrate a cystic lesion containing a fluid-fluid level as well as a hypointense calculus originating in the left seminal vesicle and extending inferiorly into the prostate. Note that on the most inferior image there is a second smaller midline cyst. Coronal fat-suppressed T2-weighted FRFSE images (...
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Lee, Christine U., and James F. Glockner. "Case 5.16." In Mayo Clinic Body MRI Case Review, edited by Christine U. Lee and James F. Glockner. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0144.

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68-year-old man with a history of polycythemia vera and a recent episode of pancreatitis, which required endoscopic drainage of a pancreatic pseudocyst with a cystogastrostomy tube Coronal SSFSE (Figure 5.16.1) and axial fat-suppressed FSE T2-weighted (Figure 5.16.2) images show splenomegaly with a cyst in the posterior spleen. Note also the decreased signal intensity in the liver and spleen due to hemosiderosis from multiple blood transfusions. A round structure in the splenic hilum is bright on T2-weighted images and is surrounded by a small amount of fluid containing a fluid-fluid level. Ax
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Yahaya, Nurfadzilah. "Resident Aliens." In Fluid Jurisdictions. Cornell University Press, 2020. http://dx.doi.org/10.7591/cornell/9781501750878.003.0004.

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This chapter opens up with a short story written in 1941 by a Dutch writer, which tells of a young Javanese man named Karto and his encounter with an old Arabian. The depiction of the Arab man as a vulture suggests that Arabs in the Dutch Indies were opportunistic scavengers always ready to pounce on the spoils of Natives' misfortunes and prey on their presumed naiveté. The chapter sees how the identities of the Arabs became more rooted in prejudice as Dutch jurisdictions hardened. Drawing upon these prejudices, Dutch legal authorities intensely cultivated the exclusion of Arabs from the bulk
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Lee, Christine U., and James F. Glockner. "Case 3.2." In Mayo Clinic Body MRI Case Review, edited by Christine U. Lee and James F. Glockner. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0072.

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49-year-old man with a history of prior intrahepatic biliary stone disease and new onset of right upper quadrant pain Coronal SSFSE (Figure 3.2.1) and axial fat-suppressed SSFP (Figure 3.2.2) images show moderate gallbladder wall thickening with mural edema and a gallstone in the gallbladder neck. Of note, a smaller stone, probably impacted in the cystic duct, and the bile fluid-fluid level can be seen on axial SSFP images. Axial postgadolinium 3D SPGR images (...
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Duvall, Jaclyn R., and Jerry W. Swanson. "A Man With Recurrent Headache and Focal Neurologic Deficits." In Mayo Clinic Cases in Neuroimmunology, edited by Andrew McKeon, B. Mark Keegan, and W. Oliver Tobin. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780197583425.003.0072.

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A 42-year-old healthy man sought care for transient episodes of neurologic deficits followed by severe headache. The first episode began with left hand weakness, numbness, and dysarthria, followed approximately 1 hour later by a right temporal headache. His symptoms spontaneously resolved after 8 hours. He had a second episode 2 days later manifested by confusion and bilateral lower extremity numbness, again followed by severe headache with symptoms resolving within 12 hours. A total of 8 episodes occurred over 3 weeks, each lasting 8 to 24 hours, with spontaneous resolution each time. His mos
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Norton, Mark S., James P. Utz, and Ryan M. Kern. "An 81-Year-Old Man With Chronic Dyspnea and Recurrent Pleural Effusion." In Mayo Clinic Case Review for Pulmonary and Critical Care Boards, edited by Ryan M. Kern. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/med/9780197755877.003.0039.

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Abstract Recurrent exudative pleural effusion of unclear etiology is a commonly encountered entity with a wide differential diagnosis. Expedient evaluation and diagnosis are necessary. Pleural fluid analysis is the first step because a lymphocyte-predominant exudate is most commonly associated with malignancy or tuberculosis. Cytology is helpful, but sensitivity decreases with each subsequent sampling. Advanced cross-sectional imaging with CT of the chest is needed if a diagnosis is not made after initial evaluation and analysis of the pleural fluid. This will help in differentiating between b
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Wijdicks, Eelco F. M. "Shock." In The Practice of Emergency and Critical Care Neurology, 3rd ed., edited by Eelco F. M. Wijdicks. Oxford University Press, 2025. https://doi.org/10.1093/med/9780197544976.003.0054.

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Abstract Conditions commonly seen in the neurosciences intensive care unit (NeuroICU) include the following: vasodilatory septic shock in bacterial meningitis, hypovolemic shock in patients with traumatic brain injury, and cardiogenic shock from severe neurogenic stress cardiomyopathy in aneurysmal subarachnoid hemorrhage. The term shock in a critically ill patient describes circulatory failure, poor oxygen delivery, and often unavoidably, organ failure. Hypotension and shock are two different entities but are intertwined. Most intensivists agree that shock is a combination of systemic arteria
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Lee, Christine U., and James F. Glockner. "Case 4.8." In Mayo Clinic Body MRI Case Review, edited by Christine U. Lee and James F. Glockner. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0106.

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74-year-old man with abdominal pain Axial fat-suppressed FSE T2-weighted images (Figure 4.8.1) reveal a small residual pancreas surrounded by a large, complex fluid collection that extends into the right paracolic gutter and contains extensive internal debris. Axial portal venous phase postgadolinium 3D SPGR images (...
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Conference papers on the topic "Fluid mud map"

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Bravo, M. C., A. Cely, D. Xavier, et al. "A Novel Approach to Map Heavy Oil Viscosity from Standard Mud Gas – A Field Case from the Peregrino Field." In SPE Offshore Europe Conference & Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215525-ms.

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Abstract Peregrino is a heavy oil field in the Campos basin offshore Brazil. The field started production in 2011, and Phase 2 was on stream in 2022. More development drilling is ongoing. The oil viscosity in Phase 2 has large variations from limited exploration wells, ranging from 30 to 180 cp. Any changes in the viscosity in the reservoirs can lead to a large difference in oil recovery. Therefore, updating the viscosity distribution in the reservoirs along with the development drilling is important. Different methods can acquire reservoir oil viscosity, including downhole logging and samplin
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Banzarov, Bair V., Andreas Vogt, and Nicklas Ritzmann. "The Evaluation and Correction of Photoelectric Factor in the Presence of Large Standoff and Heavy Muds." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0004.

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The photoelectric factor (Pe) is a key formation property that helps to identify and distinguish between formations of different lithologies. Pe is only a good measure of the rock matrix properties, as long standoff and borehole fluids do not overly influence the measurements. For wireline applications, in which instruments are pressed against the formation, invasion and mudcake are the main factors that influence the measurement. In contrast, logging-while-drilling (LWD) applications are more challenging due to the additional dynamic standoff behavior of sensors mounted in a rotating drillstr
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Ovwigho, Efe Mulumba, Mohammed Sami Almomen, Mauricio Corona, and Jose Terrez. "Well Integrity Challenges while Drilling in High Pressure and Narrow Window Environment: A Case Study of a Deep Gas Field in the Middle East." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213720-ms.

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Abstract While drilling the 12" section, a water bearing formation is encountered prior to reaching the target gas reservoir formation. This formation is sporadically-charged across the field requiring a KMW up to 21 ppg. This poses major well integrity challenges as it becomes critical to avoid losses in the resulting narrow mud window and ensuring proper cement placement. Inability to predict the mud window makes it impossible to define the drilling strategy to implement. To understand the drilling challenges, in-depth offset wells analysis was performed. Based on mud weights required to dri
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Ovwigho, Efe Mulumba, Mustafa Almuallim, and Mohammed AlAwfi. "Achieving CO2 Emissions Reduction by Overcoming Well Integrity Challenges in High Pressure and Narrow Window Environments: A Case Study of a Giant Middle East Deep Gas Field." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/223057-ms.

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Abstract While drilling the 12″ section, a water bearing formation is encountered prior to reaching the target gas reservoir formation. This formation is sporadically-charged across the field requiring a KMW up to 21 ppg. This poses major well integrity challenges as it becomes critical to avoid losses in the resulting narrow mud window and ensuring proper cement placement. Inability to predict the mud window makes it impossible to define the drilling strategy to implement. To understand the drilling challenges, in-depth offset wells analysis was performed. Based on mud weights required to dri
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Tsusaka, K., M. Toma, Y. G. I. Goraya, et al. "An Integrated Geomechanical Approach in Mud Loss Pressure Prediction in a Giant Oil Field in Offshore Abu Dhabi." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216715-ms.

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Abstract In a giant oil field in offshore Abu Dhabi, the intermediate hole section has suffered from borehole instability in highly laminated shale, mud loss in leaky carbonate and high reservoir pressures. Appropriate control of equivalent circulation density (ECD) is a key for safer drilling to the target reservoir. The present study aimed at analyzing the mud loss pressure in the leaky carbonate which is the allowable limit of ECD in the hole section. The study investigated spatial distribution of mud losses and variation in ECD at mud loss based on review of drilling operation in nearly 56
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Wahid Ali, Nurul Athirah, Nguyen Hoang Viet, Azfar Hafizin Mustafa, et al. "Integrating Real-Time Extra Deep Azimuthal Resistivity Inversion, Density Image, and Mud-Gas in Successful Geosteering of Near-Horizontal Wells." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215433-ms.

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Abstract Field X is a brownfield located in offshore Malaysia with over 40 years of production. It is a highly faulted and compartmentalized field consisting of several sub-blocks with distinct fluid contacts. This paper discusses the successful geosteering of 1 infill and 1 appraisal cum development well, where both wells are near-horizontal targeting block North X by integrating real-time extra-deep azimuthal resistivity coupled with density image together with seismic interpretation, mud-gas analysis, pressure data, and fluid sampling. Since structural dip is vital information in geosteerin
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Ariyanto, P., B. A. H. Al Amri, D. Solisa, et al. "Successful Well Delivery Using Integrated Geomechanical Modeling: Case Study from South Oman." In International Petroleum Technology Conference. IPTC, 2025. https://doi.org/10.2523/iptc-25057-ms.

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Abstract Field Cluster E has a number of producing and non-producing fields. While drilling exploration and development wells in this block, there exists numerous wellbore instability issues. Major wellbore instability issues include total and partial losses in shallower overburden, shale instability in intermediate section, and depleted reservoirs in development wells. These wellbore instability issues lead to drilling operations related non-productive time (NPT). In order to minimize NPT related to wellbore instability issues, Geomechanical study is initiated. This paper discusses the role o
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Khaled, Mohamed Shafik, Ningyu Wang, Pradeepkumar Ashok, Dongmei Chen, and Eric van Oort. "Strategies for Prevention of Downhole Tool Failure Caused by High Bottomhole Temperature in Geothermal and HPHT Oil and Gas Wells." In SPE/IADC International Drilling Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212550-ms.

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Abstract High bottom hole temperature can lead to decreased downhole tool life in geothermal and high temperature / high pressure (HPHT) oil and gas wells. The temperature increase is exacerbated when circulation stops, e.g., during connection, tripping, well control situations, etc. While continuous circulation technology is an appropriate solution for managing temperature, it is not yet widely adopted in HPHT and geothermal drilling practices. This work investigates factors that impact downhole temperature and recommends strategies to better manage the temperature when continuous circulation
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Rojas, Jose, Tariq Bilal, Nestor Campos, and Ahmed Osman. "New Engineering Approach to Avoid Twist Off Using High Frequency Drilling Dynamic Data." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213669-ms.

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Abstract Most recently, the oil industry has focused on drilling dynamics management as a critical process to maximize drilling system energy for an optimum rate of penetration (ROP). The goal is to maintain the physical integrity of the drill string avoiding nonproductive time associated with twistoff events. The process becomes more complex while drilling in total mud loss scenarios which is called blind drilling. The downhole drilling dynamic in total mud losses is quite complex because of the constant fluctuation of the wellbore buoyancy factor, which gives the string an extra induced dril
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AlMahroos, Mohamed, Nata Franco, Jesus Levario, and Mauricio Corona. "New Well Design and Drilling Practices Changes Ensured Well Integrity Across Highly Fractured Carbonate Formations in Total Losses Area." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213749-ms.

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Abstract The low success rate of curing complete loss of circulation across fractured carbonates in the field, where all kind of loss circulation material and unconventional plugs were tried without success, required better understating of the fractures and changes to the well design and drilling practices to ensure proper zonal isolation and well integrity. This paper describes the successful planning and implementation of these changes and how they improved overall well construction performance. As most of the total losses occurred in the intermediate section, which combines pressurized wate
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Reports on the topic "Fluid mud map"

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Gaskin, John, and Heidi Wadman. Extent of fluid mud : Bayport Flare and Ship Terminal, Houston, Texas : testing the effectiveness of low-frequency acoustic survey systems to define the navigable bottom. Engineer Research and Development Center (U.S.), 2024. https://doi.org/10.21079/11681/49508.

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This study utilized a suite of low-frequency acoustic mapping systems to penetrate fluid mud layers and consistently define the navigable bottom in the Bayport Flare and Ship Terminal in Houston, Texas. The objective of this study was to parameterize the suspended sediment present in the navigation channel so the Galveston District may effectively evaluate options for continuing to provide the shipping industry accurate and reliable charting information. Of special concern is relating low-frequency, single-beam acoustic survey system penetration through suspended sediments, using density and y
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King, E. L., A. Normandeau, T. Carson, et al. Pockmarks, a paleo fluid efflux event, glacial meltwater channels, sponge colonies, and trawling impacts in Emerald Basin, Scotian Shelf: autonomous underwater vehicle surveys, William Kennedy 2022011 cruise report. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331174.

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A short but productive cruise aboard RV William Kennedy tested various new field equipment near Halifax (port of departure and return) but also in areas that could also benefit science understanding. The GSC-A Gavia Autonomous Underwater Vehicle equipped with bathymetric, sidescan and sub-bottom profiler was successfully deployed for the first time on Scotian Shelf science targets. It surveyed three small areas: two across known benthic sponge, Vazella (Russian Hat) within a DFO-directed trawling closure area on the SE flank of Sambro Bank, bordering Emerald Basin, and one across known pockmar
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Meidan, Rina, and Robert Milvae. Regulation of Bovine Corpus Luteum Function. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7604935.bard.

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The main goal of this research plan was to elucidate regulatory mechanisms controlling the development, function of the bovine corpus luteum (CL). The CL contains two different sterodigenic cell types and therefore it was necessary to obtain pure cell population. A system was developed in which granulosa and theca interna cells, isolated from a preovulatory follicle, acquired characteristics typical of large (LL) and small (SL) luteal cells, respectively, as judged by several biochemical and morphological criteria. Experiments were conducted to determine the effects of granulosa cells removal
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