Relevant bibliographies by topics / Viscus perforation

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Academic literature on the topic 'Viscus perforation'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Viscus perforation"

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Dutta, Pooja, Gaurav Wadhawan, Raghav Arora, and Shruti Sharma. "Hollow viscus perforation with gas under diaphragm: a misnomer?" International Journal of Research in Medical Sciences 11, no. 7 (2023): 2590–98. http://dx.doi.org/10.18203/2320-6012.ijrms20232105.

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Background: Hollow viscus perforation is suspected when radiographs show the presence of gas under diaphragm and is usually an indication for surgical abdominal exploration. This is significant because in cases of hollow viscous perforation, plain radiography may be used as the first line of diagnosis. Concerns regarding diagnosing those 30% cases of hollow viscus perforation which was not detected by the plain radiography. Methods: A bound prospective study of patients who were managed for perforated hollow abdominal viscus, when no abnormality was appreciated on radiographs, confirmation was
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Velappan, Dhanapal Pattanam, and Selvam Kaveri. "Clinical study and management of hollow viscus perforation of abdomen." International Surgery Journal 4, no. 5 (2017): 1773. http://dx.doi.org/10.18203/2349-2902.isj20171638.

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Background: Gastrointestinal perforation is a common abdominal emergency having a high morbidity and mortality. Surgery plays an important role in the management of perforation. Gastrointestinal perforation is a common abdominal emergency having a high morbidity and mortality.Methods: 100 cases of hollow viscus perforation of the abdomen have been studied prospectively in detail during the period from May 2010 to July 2012. Cases were selected randomly from admissions in Government Mohankumaramangalam Medical College Hospital, Salem, Tamil Nadu, India. Clinical diagnosis of hollow viscus perfo
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T., Anjaneya, and Vilas Crithic H. V. "Clinical evaluation, management and outcome of hollow viscus perforations." International Surgery Journal 6, no. 8 (2019): 2780. http://dx.doi.org/10.18203/2349-2902.isj20193083.

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Background: Gastrointestinal perforation is the third most common cause for exploratory laparotomy as an emergency. With the advent of drugs against acid peptic disease the incidence of peptic ulcer perforations is on decline. The advent of laparoscopy and endoscopy has played decisive role in the diagnosis and management of gastric and colorectal perforations. Aim of the study is to study the clinical outcome, surgical management and postoperative complication of peritonitis secondary to hollow viscus perforation.Methods: This was prospective study of 50 cases. All patients admitted and treat
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Shaikh, Aftab H., Amarjeet E. Tandur, Abhishek G. Rathod, and Tanay Dhanorkar. "Perforation peritonitis: as a spectrum." International Surgery Journal 9, no. 11 (2022): 1804. http://dx.doi.org/10.18203/2349-2902.isj20222931.

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Background: Peritonitis due to hollow viscus perforation is one of the frequent cause of patient presenting as acute abdomen in clinical practice. The cause of this perforation can be traumatic perforation or an underlying diseased viscus.Methos: The study was conducted in Sir J J group of hospitals, Mumbai between January 2021 to June 2021. A total of 50 cases with peritonitis due to gastrointestinal tract perforation were studied. The patient were studied on the basis of clinical presentation, radiological findings, cause and site of perforation, treatment given, postoperative complication a
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Kallagunta, Pavan Kumar, Kumar Vijendra, Singh Rathore Abhishek, and Kumar Sharma Om. "Evaluation of Mannheim Peritonitis Index in Predicting the Prognosis of Hollow Viscus Perforation: A Prospective Observational Study." International Journal of Pharmaceutical and Clinical Research 16, no. 8 (2024): 319–23. https://doi.org/10.5281/zenodo.13383460.

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<strong>Introduction:&nbsp;</strong>Peritonitis secondary to hollow viscous perforation is a potentially life-threatening condition. Hollow viscus perforation is a common abdominal emergency faced by the general surgeons worldwide. The prognosis is still poor for patients with peritonitis caused by hollow viscus perforation, despite improvements in diagnosis, treatment, and critical care. Early grading of the severity of peritonitis may improve the management of severely ill patients, which can be done by means of scoring systems.&nbsp;<strong>Aim:&nbsp;</strong>To evaluate Mannheim peritoniti
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Marathe, Akshay S., and Varsha N. Bijwe. "Study to determine etiological factors and surgical outcome of non traumatic abdominal hollow viscus perforation." International Surgery Journal 7, no. 12 (2020): 4132. http://dx.doi.org/10.18203/2349-2902.isj20205369.

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Background: Hollow viscus perforation leading to peritonitis is a common emergency faced by a general surgeon. Late presentation, missed diagnosis and late interventions are frequent causes of morbidity and mortality. Thus in an interest to find out etiological factors, to assess the common type of perforations with their clinical presentation, surgical out come and finally prognosis and complications; forms the basis of present study.Methods: We carried out prospective study on total of 60 patients presenting with sudden onset pain in abdomen with guarding and rigidity per abdominally for eti
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H. B., Shashikumar, Madhu B. S., and Shyama S. "Gastro intestinal perforations: an audit from a tertiary care teaching hospital, Mysore, India." International Surgery Journal 5, no. 11 (2018): 3484. http://dx.doi.org/10.18203/2349-2902.isj20184613.

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Background: Peritonitis secondary to hollow viscus perforation is one of the most frequently encountered surgical emergencies in India. The objective of this study was to study the demographic and clinical profile of gastro intestinal perforations and surgical procedures done for the same in a tertiary care teaching hospital.Methods: This study was performed on 46 cases of hollow viscus perforation admitted in K. R. Hospital from January to June 2018. The presenting symptoms, age and sex profile, risk factors, site of perforation, the surgical procedure they underwent, post-operative complicat
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Ravindra, Chimkode, and Nitin Tengli. "Management of Patients with Hollow Viscus Perforation." New Indian Journal of Surgery 7, no. 2 (2016): 151–53. http://dx.doi.org/10.21088/nijs.0976.4747.7216.14.

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S.V., Ramana. "EVALUATION, MANAGEMENT AND OUTCOME OF GASTROINTESTINALPERFORATIONS." International Journal of Advanced Research 11, no. 09 (2023): 66–72. http://dx.doi.org/10.21474/ijar01/17504.

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Background: GIT perforation in an emergency is the third most frequent reason for explorative laparotomy.The occurrence of perforated peptic ulcers has decreased with thedevelopment of proton pump inhibitors. The methods for identifying and treating stomach and colon-rectal perforations have significantly changed with the development of laparoscopy and endoscopy Methods: All patients admitted and treated with perforation secondary to Hollow viscous perforation in surgical wards admitted during the period of JAN 2020 to JULY 2022 at Maharaja s institute of medical sciences, Vizianagaram Patient
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Wakeen, Maureen J., Stephen W. Zimmerman, and Denise Bidwel. "Viscus Perforation in Peritoneal Dialysis Patients: Diagnosis and Outcome." Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 14, no. 4 (1994): 371–77. http://dx.doi.org/10.1177/089686089401400411.

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Objective To determine the incidence and outcome of spontaneous viscus perforation in peritoneal dialysis (PD) patients and which factors could facilitate early diagnosis. Design A retrospective chart review was done on all patients with viscus perforation and on a control group with peritonitis secondary to gram-negative organisms. Setting A tertiary care University Hospital Peritoneal Dialysis program. Patients All patients with surgically proven spontaneous viscus perforation from 1978 to June 1992 (n = 15). A group of control patients (n = 15) with gram-negative bacterial peritonitis was a
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Dissertations / Theses on the topic "Viscus perforation"

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Lavergne, Thomas. "Modélisation analytique et caractérisation expérimentale de microphones capacitifs en hautes fréquences : étude des couches limites thermiques, effets des perforations de l’électrode arrière sur la déformée de membrane." Thesis, Le Mans, 2011. http://www.theses.fr/2011LEMA1020/document.

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Les microphones capacitifs sont des transducteurs réciproques dont les qualités (sensibilité, bande passante et tenue dans le temps) en font des instruments de mesure performants. Couramment utilisés jusqu’à présent en récepteurs dans l’air à pression atmosphérique et à température ambiante, dans la gamme de fréquences audibles, ils sont correctement caractérisés dans ce cadre depuis près de trente ans. Mais aujourd’hui, leur miniaturisation (par procédé MEMS) et leur usage nouveau en métrologie fine (en récepteurs comme en émetteurs) - qui exigent une connaissance précise de leur comportement
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Books on the topic "Viscus perforation"

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Rotstein, Ori D. Perforated viscus in the critically ill. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0185.

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Visceral perforation presents with either localized or diffuse abdominal pain and tenderness depending on the ability of the peritoneal host defence mechanisms to contain the spread of gastrointestinal content from the site of perforation. The most common causes of perforation are appendicitis, diverticulitis, and peptic ulcer disease. The diagnosis is based on clinical symptoms and signs, supported by appropriate imaging. CT scanning is an accurate method of diagnosing perforation and can provide information about the underlying pathological process. The principles of treatment include adequa
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Mozer, Anthony B., Konstantinos Spaniolas, and Walter J. Pories. Nutritional Deficiencies and Bariatric Surgery. Edited by Tomasz Rogula, Philip Schauer, and Tammy Fouse. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190608347.003.0014.

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Dietary intolerance and poor oral intake account for a disproportionate number of emergency department visits and readmissions after bariatric surgery. Micronutrient, vitamin, and protein deficiencies can occur after both malabsorptive and restrictive weight-loss operations, and they are best mitigated against by conscientious preoperative counseling and vigilance in follow-up. Routine vitamin supplementation can prevent the need for unnecessary laboratory testing, while symptoms of dumping syndrome can frequently be managed with dietary and behavioral modification alone. Alternative enteral f
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Book chapters on the topic "Viscus perforation"

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Soto, Jorge A., and Stephan W. Anderson. "Hollow Viscus Perforation." In Abdominal Imaging. Elsevier, 2011. http://dx.doi.org/10.1016/b978-1-4160-5449-8.00028-7.

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Gupta, Pawan. "Surgery." In Oxford Assess and Progress: Emergency Medicine. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199599530.003.0019.

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Among surgical patients presenting to the ED, abdominal pain is the most common complaint, comprising 10% of ED visits. Evaluation of such patients in the ED is often challenging for a variety of reasons, such as the variability in the description of the perception of pain in individual patients, variable and changing physical findings with time, and life-threatening conditions presenting as seemingly benign symptoms. I always advise inexperienced doctors working in the ED to bear in mind seven time bombs that may be ‘sitting inside’ every adult patient’s abdomen who presents with abdominal pa
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Farne, Hugo, Edward Norris-Cervetto, and James Warbrick-Smith. "Epigastric pain." In Oxford Cases in Medicine and Surgery. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780198716228.003.0018.

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We have arranged the differential diagnosis in order of likelihood in a man of this age with more likely diagnoses in larger font and less likely diagnoses in smaller font in Figure 12.1. Pathologies that should be excluded at the earliest possible opportunity are shown in bold. Bear in mind that this differential diagnosis refers to epigastric pain as a presentation of ‘acute abdomen’ and thus differs markedly from epigastric pain presenting as outpatient dyspepsia. Note that although we have adopted a standard approach of history, examination, and investigations over the course of the follow
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Farne, Hugo, Edward Norris-Cervetto, and James Warbrick-Smith. "Left iliac fossa pain." In Oxford Cases in Medicine and Surgery. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780198716228.003.0023.

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In Figure 17.1 the differential diagnosis is arranged in order of likelihood in a woman of this age, with more likely diagnoses in larger font and less likely diagnoses in smaller font. Pathologies that should be excluded at the earliest possible opportunity are shown in bold. There are a number of gynaecological pathologies that can cause acute LIF pain. Some, such as ectopic pregnancy, mittelschmerz (mid-cycle pain), or haemorrhage into a functional ovarian cyst, can only occur in menstruating women. Others, such as pelvic inflammatory disease or torsion/rupture of an ovarian cyst, are far m
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Conference papers on the topic "Viscus perforation"

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Zhang, Jun-Mei, Jacob McGregor, Abraham Grader, and Hadi Arabnejad. "Evaluation of Perforation Flow Performance by Combining 3D-CT Data with CFD Simulation." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222991-ms.

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Abstract The flow performance of perforations in stressed rock simulating reservoir downhole conditions is essential, not only for efficient hydrocarbon recovery, but also for predicting long-term well productivity. Although perforation flow laboratories have been used to shed light on the flow productivity of the perforation tunnels, flow laboratory testing is commonly constricted by the heterogeneous analog core and limited experimental data. Recent advancements in computational techniques have made computational fluid dynamics (CFD) simulation an efficient method to predict the detailed inf
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Liu, Xinghui, Jiehao Wang, Amit Singh, et al. "Achieving Perfect Fluid and Proppant Placement in Multi-Stage Fractured Horizontal Wells: A CFD Modeling Approach." In SPE Hydraulic Fracturing Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204182-ms.

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Abstract Multi-stage plug-n-perf fracturing of horizontal wells has proven to be an effective method to develop unconventional reservoirs. Various studies have shown uneven fluid and proppant distributions across all perforation clusters. It is commonly believed that both fracturing fluid and proppant contribute to unconventional well performance. Achieving uniform fluid and proppant placement is an important step toward optimal stimulation. This paper discusses how to achieve such uniform placement in each stage via a CFD (Computational Fluid Dynamics) modeling approach. CFD models in several
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Kolle, Jack, Alan Mueller, Steve Baumgartner, and David Cuthill. "Modeling Proppant Transport in Casing and Perforations Based on Proppant Transport Surface Tests." In SPE Hydraulic Fracturing Technology Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/209178-ms.

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Abstract The results of a series of proppant transport surface tests (PTSTs) were used in conjunction with Eulerian multiphase-computational fluid dynamics (EMP-CFD) modeling to develop an engineering model of proppant distribution. The PTSTs were carried out to evaluate proppant placement through perforated casing. In these tests, sand slurry was pumped at realistically high flow rates through perforated casing and the distribution of sand and slurry from each perforation cluster was observed. The tests show that gravitational settling in horizontal casing, proppant slip past perforations and
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Cui, Weili, Ronald N. Miles, and Dorel Homentcovsci. "The Effect of Shape and Distribution of Perforations on Squeeze-Film Damping in Parallel Plate Capacitors." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87563.

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The effect of the shape and distribution of perforations in parallel plate capacitive MEMS devices on squeeze-film damping is presented. The squeeze film effect is the most important damping effect on the dynamic behavior of most MEMS devices that employ capacitive sensing and actuation, which typically employ narrow air gaps between planar moving surfaces [1, 2]. The stationary plate of a capacitive device is often perforated to reduce the damping and sensor noise and improve the frequency response. The formula for determining the total viscous damping in the gap contains a coefficient Cp tha
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Aly Hussein, M. R., A. A. Zeidan, K. Ahmed, et al. "Perforating Strategy for Stimulating Viscous Oil Wells for Both Cyclic Steam Stimulation and Steam Flooding Optimizing Using Perforation Laboratory - A Case Study From Kuwait Oil Company." In SPE Heavy Oil Conference and Exhibition. Society of Petroleum Engineers, 2016. http://dx.doi.org/10.2118/184120-ms.

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Govinathan, Kesavan, Jonathan Sallis, Samyak Jain, Raymond Tibbles, Mike Foster, and Bart Waltman. "An Integrated Approach to the Design and Modelling of High Rate Water Pack Treatments." In SPE International Conference and Exhibition on Formation Damage Control. SPE, 2022. http://dx.doi.org/10.2118/208812-ms.

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Abstract High Rate Water Pack (HRWP) treatments are used in cased hole gravel packs with the intention of creating small fractures to bypass near wellbore damage and improve perforation packing. Despite their popularity as a sand control technique, there has never been a software model developed specifically for HRWP treatments, and so their design has been largely driven by trial-and-error based on local field experience. Often, local field experience is insufficient to achieve the desired results due to uncertainties in the fracture initiation, propagation and packing mechanisms. The ability
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Dong, Rencheng, Mary F. Wheeler, Hang Su, and Kang Ma. "Modeling Multistage Acid Fracturing Treatments in Carbonate Reservoirs." In SPE Hydraulic Fracturing Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204197-ms.

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Abstract As our industry is tapping into tighter carbonate reservoirs than in the past, completion techniques need to be improved to stimulate the low-permeability carbonate formation. Multistage acid fracturing technique has been developed in recent years and proved to be successful in some carbonate reservoirs. A multistage acid fracturing job is to perform several stages of acid fracturing along a horizontal well. The goal of acid fracturing operations is to create enough fracture roughness through differential acid etching on fracture walls such that the acid fracture can keep open and sus
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Dong, Rencheng, Mary F. Wheeler, Hang Su, and Kang Ma. "Modeling Acid Fracturing Treatments in Heterogeneous Carbonate Reservoirs." In SPE International Conference on Oilfield Chemistry. SPE, 2021. http://dx.doi.org/10.2118/204304-ms.

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Abstract The goal of acid fracturing operations is to create enough fracture roughness through non-uniform acid etching on fracture surfaces such that the acid fracture can keep open and sustain a high enough acid fracture conductivity under the formation closure stress. A detailed description of the rough acid-fracture surfaces is required for accurately predicting the acid-fracture conductivity. In this paper, a 3D acid transport model was developed to compute the geometry of acid fracture for acid fracturing treatments. The developed model couples the acid fluid flow, reactive transport and
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Asif, Adnan, Abdul Muqtadir Khan, Muhammad Asiri, and El-Saied Hassan. "Integrated Subsurface and Fracturing Treatment Analysis for Proppant Placement Enhancement in Tight Clastic Horizontal Well Fracturing." In GOTECH. SPE, 2024. http://dx.doi.org/10.2118/219116-ms.

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Abstract Fracturing treatments in horizontal wells is challenging and the challenges are compounded in reservoirs influenced by high tectonic effects. Situations are faced where either rock breakdown or sufficient fracture propagation is not achieved. Near-wellbore complexities also lead to insufficient injection rate, post-breakdown, to place proppant. In this work, an in-depth diagnosis of factors affecting fracturing success enabled proposing potential solutions. A total of 106 fracturing stages were analyzed across 14 wells with a structured database created with 52 fracturing-relevant par
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Gupta, Ayushi, Dilip Kumar Sarma, Snehal Rakundla, and B. K. Das. "Application of Acid Diversion System for Effective Stimulation of Multilayered Wells in Sandstone Reservoir: A Case Study." In SPE International Conference and Exhibition on Formation Damage Control. SPE, 2024. http://dx.doi.org/10.2118/217839-ms.

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Abstract During acidization of wells completed with long perforation interval or in multiple layers, major portion of the acids preferably enter into high permeable layers/streaks bypassing the low permeable layers. Exposure of acid solutions in entire perforation clusters or long interval is necessary for effective stimulation of such wells. To address the issue, an acid diversion system was customized based on laboratory evaluations and field requirement. The technique involves a mineralogy-based acid system and a viscous diversion system. The acid system was designed based on the formation
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Reports on the topic "Viscus perforation"

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Luckett, DeBorah C., Andrew L. Bowman, Andrew M. Lessel, et al. High-Rate Characterization and Modeling of a Hyperelastic Block Copolymer Subjected to Ballistic Impact. U.S. Army Engineer Research and Development Center, 2024. http://dx.doi.org/10.21079/11681/49416.

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polystyrene-polyisobutylene-polystyrene star-block copolymer (PS-PIB-PS) is a thermoplastic elastomer with visco hyperelastic characteristics that displays a high level of toughness and performs well in shock attenuating applications. The research goal is to investigate experimentally and numerically the capacity of PS-PIB-PS to dissipate kinetic energy and examine its deformation and failure modes under impact by spherical steel projectiles at speed ranges of 200–1,700 m/s. First, PS-PIB-PS is characterized using a Split-Hopkinson Pressure Bar to measure high strain rate response and calibrat
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Newman-Toker, David E., Susan M. Peterson, Shervin Badihian, et al. Diagnostic Errors in the Emergency Department: A Systematic Review. Agency for Healthcare Research and Quality (AHRQ), 2022. http://dx.doi.org/10.23970/ahrqepccer258.

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Objectives. Diagnostic errors are a known patient safety concern across all clinical settings, including the emergency department (ED). We conducted a systematic review to determine the most frequent diseases and clinical presentations associated with diagnostic errors (and resulting harms) in the ED, measure error and harm frequency, as well as assess causal factors. Methods. We searched PubMed®, Cumulative Index to Nursing and Allied Health Literature (CINAHL®), and Embase® from January 2000 through September 2021. We included research studies and targeted grey literature reporting diagnosti
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