Science topic

Drainage - Science topic

The removal of fluids or discharges from the body, such as from a wound, sore, or cavity.
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Publications related to Drainage (10,000)
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Spinal subdural hematoma is a rare condition whereas intracranial chronic subdural hematoma is well-recognized and documented in clinical settings. Despite various theories that have been proposed, the exact pathogenesis of spinal subdural hematoma remains to be elucidated. Herein, we report a rare case of spinal subdural hematoma with a co-existin...
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A parapharyngeal abscess (PPA) was diagnosed and aspirated under local anesthesia using transoral ultrasound by an ENT surgeon. This case demonstrates that transoral ultrasound is a valuable point-of-care tool for both diagnosing PPA and enabling minimally invasive, ultrasound-guided drainage.
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The study focused on modelling open channel flow in an agricultural ditch network. The objectives were (1) to set up a computational tool to explore the hydraulic impacts of water level control in a collector ditch network and (2) to test the effects of damming height and ditch flow resistance on the water level and its relation to field drainage....
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The verification of morpho-tectonic responses were indicated by changing of the lineament, the river segment azimuth, the mountain front sinuoucity, the mountain front facet in rock formation between lately and early geological period, controlled by neotectonic for bifurcation ratio and drainage density in Quarternary morphometry. There are three r...
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The development of a smart expressway ensuring all-weather safe access represents the future trajectory of transportation infrastructure. A key task in this advancement is the precise prediction of water film depth (WFD) on road surfaces. Conventional WFD prediction models often assume constant grade and cross slope, an oversimplification that may...
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Background: Arteriovenous malformations (AVMs) are high-risk cerebrovascular anomalies that can lead to devastating complications, especially when associated with intracranial aneurysms. Their coexistence poses unique challenges in diagnosis and management due to heightened hemodynamic stress and rupture risks. This case presents a 35-year-old woma...
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Importance The closure technique for the radial forearm free flap (RFFF), a commonly utilized flap in head and neck reconstruction, remains a debated topic as there are unique advantages and drawbacks to each technique. Objective The present study aims to report on the outcomes of the closure of the RFFF with the superficial cephalic vein (CV)-onl...
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Several of Jones’s innovations and observations, including those on CDCR, puncto-canaliculoplasty, and lacrimal pump, continue to hold high-value several decades after their initial description. The conjunctivodacryocystorhinostomy with Jones tubes is still performed worldwide for managing complex proximal canalicular obstruction, punctal agenesis,...
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The occurrence frequency and catastrophe caused by flooding are increasing rapidly, highlighting the importance of real‐time impact‐based forecasting. However, traditional approaches primarily based on hydrodynamic models need large computational cost and generally fail to achieve real‐time flood mapping, especially for large‐scale watersheds. In t...
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The permeability of a coal seam is a crucial factor in coal seam gas extraction. Poor permeability of coal seams can lead to difficulties in over-pumping as well as high gas emissions after mining. This issue is particularly prominent when mining extra-thick coal seams with hard roofs, and it is the major problem that restricts the safe and efficie...
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Threshold pressure is a critical parameter in evaluating the capillary sealing capacity of rocks, especially in reservoir and caprock studies related to CO 2 storage and hydrocarbon recovery. In this research, we conducted a comparative analysis of two methods for measuring threshold pressure: the traditional mercury intrusion porosimetry (MIP), wh...
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Background In this study, we report the use of a complex surgical intervention termed modular one-stage emergent pancreaticoduodenectomy (MOEPD) for the treatment of acute Grade IV or V pancreaticoduodenal injuries in haemodynamically stable patients. We summarize the experiences of surgeons performing MOEPD in 12 patients from 3 centres. Methods...
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Background: Early post-operative intraocular pressure (IOP) control following Baerveldt tube (BVT) implant is critical, especially in cases with advanced glaucoma.Aim: This study aimed to review the efficacy and safety of a releasable wick suture for early control of post-operative IOP in patients implanted with a 350 mm2 BVT.Setting: This study is...
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Background Approximately one-third of patients undergoing axillary lymph node dissection (ALND) for breast cancer will develop breast cancer–related lymphedema (BCRL). To prevent BCRL, immediate lymphatic reconstruction (ILR) has been proposed, whereby lymphatics cut during the ALND are anastomosed to adjacent veins to restore lymphatic drainage. A...
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BACKGROUND The jejunum has a wide lymphatic drainage field, making radical surgery difficult. OBJECTIVE Extrapolate results from 2 methodologies to define jejunal artery lymphatic clearances and lymphovascular bundle shapes for radical bowel-sparing surgery. DESIGN Two cohort studies. SETTINGS The first dataset comprised dissections of cadavers...
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INTRODUCTION One of the pathological hallmarks of Alzheimer's disease (AD) is the accumulation of amyloid beta 42 (Aβ42). Decreased venous drainage may enhance Aβ42 accumulation. We aimed to compare venous cross‐sectional area (CSA) of AD patients to cognitively healthy controls. METHODS All patients underwent neurocognitive evaluation and brain m...
Conference Paper
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Achieving Sustainable Development Goals (SDGs) 6 and 10 requires a comprehensive understanding of the district-level inequality in water and sanitation facilities between rural and urban residences. This study aims to map spatial connections and variations in inadequate access to water and sanitation, as well as the disparities between rural and ur...
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Objective The aim of this study was to compare the technical difficulty and safety between right-sided percutaneous transhepatic biliary drainage (R-PTBD) and left-sided percutaneous transhepatic biliary drainage (L-PTBD) in patients with nondilated bile ducts. Materials and Methods Forty-two patients (22 males and 20 females with a mean age of 46....
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Focusing on the agricultural area of “Capo Due Rami” in Rome, this research aims to interpret the architectural features of the rural dwellings through a typological analysis. Drawing on data collected from direct surveys, historical records, cartographic materials, and documentary sources, the morphological and settlement evaluation of agricultura...
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Geochemical data serve as crucial references for prospecting, and the effective extraction of prospecting information from such data determines the success rate of exploration. In the era of big data, novel prospecting methods based on geochemical data offer new ideas for exploring various ore deposits. By employing advanced data analysis technique...
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Background/Objectives: Although common anomalies of the left renal vein (LRV) are pretty well documented in the literature, the drainage of the left renal blood via the hemiazygos vein lacks comprehensive support. We, therefore, aimed to study the incidence of the reno-hemiazygos connection (RHC). Methods: A total of 150 computed tomography scans (...
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Background/Objectives: Performing endoscopic retrograde cholangiopancreatography (ERCP) in surgically altered gastrointestinal anatomy remains challenging, frequently necessitating the use of forward-viewing endoscopes. Given the challenge in endoscope selection based on the type of altered anatomy, the aim of this study was to examine ERCP success...
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The purpose of this research are: 1) The objective of this study is to map the locations of rubber plantations found in Padang Sago District, Padang Pariaman Regency, 2) To analyze the characteristics of land for rubber plantations in Padang Sago District, Padang Pariaman Regency, 3) To analyze the suitability of potential land for rubber plantatio...
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Colon interposition, a rare esophageal reconstructive procedure, can lead to late complications such as diverticulitis in the transplanted colon segment. This case involves a 65-year-old man who presented with a neck swelling 60 years after a colon interposition following caustic ingestion. A diagnosis of diverticulitis with an abscess was confirme...
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Purpose To evaluate the feasibility and outcome of percutaneous biliary neo-anastomosis (PBNA) by means of fluoroscopy-guided enteral/biliary puncture, followed by temporary percutaneous transhepatic biliary drainage (PTBD). Materials and Methods Four patients (25% female, mean age 56 years) were referred for PBNA (bilio-entero-neo-anastomosis, n...
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Background Boerhaave syndrome is a rare, life-threatening condition, characterized by spontaneous esophageal rupture. This study aims to share our 13-year experience in managing Boerhaave syndrome. Methods A retrospective, observational study was conducted of consecutive patients with Boerhaave syndrome who presented at our tertiary referral cente...
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Continuous flushing systems such as vortex settling basins (VSBs) are commonly utilized to remove sediment particles in power plants and irrigation and drainage networks. This study evaluates the performance of a typical VSB, focusing on sediment removal efficiency (ηe), flow efficiency (ηflow), and inlet canal efficiency (ηin). In the continuous o...
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The efficacy of coalbed methane extraction significantly impacts coal mine operations and profitability. To investigate the determinants of this extraction efficacy, we utilized standard core flow velocity stress sensitivity apparatus alongside low-field nuclear magnetic resonance technology. We conducted tests on coal specimens of varying thicknes...
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Background To evaluate the safety and efficacy of biliary metallic stent (BMS) combined with radioactive ¹²⁵I seed strands (RISS) for malignant hilar obstruction (MHO). Method From January 2016 to January 2022, 317 patients with MHO underwent percutaneous trans-hepatic biliary drainage at our center. Among them, 40 patients underwent BMS combined...
Article
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The importance of constructing drainage structures for the conveyance of direct runoff to suitable locations has long been identified by man. However, it has been observed that most constructed drainages did not serve the intended purpose during the design period despite being structurally sound with proper maintenance culture. This has been attrib...
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Diabetic dyslipidemia is accompanied by decreasing in the concentration of HDLP, increasing in LDLP and very VLDLP in blood. Although these changes have been studied in blood, but not studied in lymph. To create a model of diabetes mellitus, 100 mg / kg of a 5% solution of alloxan monohydrate was injected into the ear veins of rabbits. A model o...
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Introduction Extracorporeal membrane oxygenation is a lifesaving treatment for patients with refractory acute respiratory, circulatory, or combined cardiopulmonary failure. The patient is cannulated with one or two cannulae for drainage and reinfusion of blood. Blood is drained from the patient, pumped through a membrane lung for oxygenation and re...
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Urban development has significantly accelerated soil erosion, presenting a serious environmental challenge. Among the available solutions, well-established vegetation is proven to dramatically reduce erosion rates. Geosynthetic rolled erosion control products (RECPs) have shown to be highly effective in not only minimizing soil erosion but also pro...
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This research proposed the adoption of a framework as a supporting tool to enhance the management of the quality of water from hand-dug wells in Mutukula Town Council, Uganda. Although water from hand-dug wells is often considered prone to contamination, no such study has been carried out for Mutukula Town Council. Adopting both qualitative and qua...
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Flash floods are often responsible for deaths and damage to infrastructure. The objective of this work is to create a data-driven model to understand how predisposing factors influence the spatial variation of the triggering factor (rainfall intensity) in the case of flash floods in the continental area of Portugal. Flash floods occurrences were ex...
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Gangue particle entrainment during flotation remains a significant challenge in mineral processing. Previous studies have shown that incorporating inclined plates into the froth zone can reduce the recovery of fine gangue particles. However, the effects of inclined channels on froth drainage have not been fully investigated. This study employed a c...
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This review highlights the recent development in the management of acute pancreatitis in the area of antibiotic prophylaxis, management of necrosis and correlation with SARS-CoV-2 infection. The evidence from recent studies has not shown a significant benefit of administration of antibiotic prophylaxis in acute pancreatitis. Additionally, a few tri...
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Chylothorax is a distinctive form of pleural effusion characterized by the accumulation of chyle within the pleural space. We conducted an analysis of published evidence concerning oncological chylothorax, encompassing complications following thoracic surgery or spontaneous occurrences directly linked to thoracic malignancies. Diagnosis can be esta...
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Iliopsoas abscess (IPA) is a rare but potentially life-threatening complication that may occur in patients with Crohn’s disease. We present the case of a 28-year-old male with Crohn’s disease who developed a complicated IPA. Diagnosis was confirmed via CT imaging and colonoscopy, revealing a fistulous connection to the terminal ileum. The treatment...
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Using infrared thermography (IRT) has been proven as an effective technology for early damage detection within the superstructure/substructure of the ballasted railway tracks. Performing statistical processing and integrating principle component analysis (PCA) underpinned by extensive data sources of infrared imaging technology can effectively dete...
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Determining the suitable surface area of terminal lakes in arid regions is crucial for both basin ecological security and efficient water use. Previous studies on lake area have primarily focused on establishing the minimum threshold, with limited research addressing the definition of a suitable area. In this regard, we developed an ecological secu...
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Morphometric parameters, one of the fundamentals in hydrological analysis, constitute an indispensable element in the characterization of the physical environment that conditions the hydrological flow in a watershed. Twenty-three morphometric parameters categorized into three groups, namely linear parameters, shape parameters and relief aspects wer...
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Surgical site infection (SSI) following breast implant surgery can have devastating complications. Infection is most commonly from coagulase-negative Staphylococcus bacteria. Neisseria weaveri is a gram-negative bacterium that is associated with animal bites. We present the first known case of N. weaveri causing SSI following breast implant reconst...
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The geomorphic development of major rivers and smaller tributaries in response to climatic and environmental changes has been studied intensively in the past. However, impacts on confluence regions, with tributaries, have rarely been investigated. We aim to explore the similarities and differences in fluvial development over the last glacial to int...
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Chronic subdural hematoma (cSDH) is a prevalent neurosurgical disorder with increasing incidence, especially among the geriatric population. Although surgical management has been the conventional approach, the optimal strategy remains debated. Tranexamic acid (TXA), an antifibrinolytic agent, has emerged as a potential alternative, but its efficacy...
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Purpose To present the clinical outcomes of nephroureterectomy with bladder cuff excision (NU-BCE) or radical cystectomy (NU-RC) when distal ureteral carcinoma invaded muscle of the ureteral orifice using inverse probability of treatment weighting (IPTW). Methods This multicenter study retrospectively studied the demographics and perioperative out...
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Scimitar syndrome is a rare congenital anomaly characterised by anomalous pulmonary venous drainage of the right lung into the inferior vena cava, often accompanied by right lung hypoplasia and dextroposition of the heart. Here, we present the case of a 24-year-old female with scimitar syndrome and a history of asthma who presented with acute exace...
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The migration of a main drainage divide is pivotal in landscape evolution, providing key insights into how tectonic and erosional processes shape landscapes. However, the dynamics of divide migration in response to asymmetric uplift and erosion are not well constrained in natural settings compared to modeling studies. This study examines drainage d...
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This study presents an experimental investigation of the load-bearing behavior and drainage ability of pervious concrete (PC) produced using local materials in Vietnam with differently designed porosities of 15% (R15), 20% (R20), and 25% (R25). The PC samples were cast at the laboratory and cured in open air before being tested for drainage ability...
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Climate change (CC) is a significant global environmental issue that poses severe consequences, particularly on agricultural productivity, lifestyle, infrastructure, and overall population well-being. These impacts are projected to vary among different countries. The primary concern of this research is that infrastructure networks, which both contr...
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Ludwig's angina is a life-threatening infection that affects the soft tissues in the floor of mouth and neck. It is unusual to see Ludwig's angina in children. Dental infection is the most common etiology. However, it can be associated with very rare causes. A 9-year-old child was diagnosed with Ludwig's angina just a few hours after undergoing a f...
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The habitat use of European badgers Meles meles remains relatively understudied in mountainous environments, particularly in Alpine regions. In this study, we investigated the habitat use of European badgers in a study area within the Stelvio National Park (central Italian Alps) and assessed whether they exhibit different patterns compared to habit...
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Importance Nasal irrigation (NI) is effective in the treatment of sinonasal disease; however, its efficacy in treating otologic conditions is undetermined. Chronic otorrhea (CO) is an important complication in children with tympanostomy tubes (TT), requiring additional treatment. Objective Determine potential factors of NI that put children with T...
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Agricultural drainage water, containing inorganic minerals (nitrogen, phosphorus, and metals) and organic pollutants (pesticides and agricultural toxins), is considered a major threat to aquatic ecosystems, leading to eutrophication and damage to downstream water resources. Undredged vegetated ditches can potentially serve as effective beds for rem...
Conference Paper
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The basin of the Rio das Mortes, located in southeastern Brazil, is related to the transition between the southern edge of the São Francisco Craton and the Neoproterozoic mobile belts associated with the Brasília and Ribeira Belts. This regional context is linked to collision episodes associated with the formation of the Gondwana supercontinent, kn...
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The problem of changes, and especially deterioration of the quality of water in functioning reservoirs , is extremely relevant at the present time. In arid regions, the possibility of using reservoirs is limited by the increase in mineralization, but this issue has been practically unstudied and not covered in the scientific literature. The results...
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Spillway and drainage tunnels have an open-channel flow pattern when operating under unpressured condition, above which air flow is driven and resisted by water flow, wall friction, and pressure difference. Unpressured tunnels present many airflow-related safety and environmental issues, including water flow fluctuation, gate vibration, shaft cover...
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An attachment of a particle on a bubble is a very complex process due to the surface chemistry of bubbles and particles, and hence it is difficult to describe the bubble–particle attachment mechanism from first principles. This paper focuses on better understanding of the bubble–particle attachment mechanism by predicting induction time from first...
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In this review, we explore the mechanisms of the blood-cerebrospinal fluid (CSF) barrier and CSF transport. We briefly review the mathematical framework for CSF transport as described by a set of well-studied partial differential equations. Moreover, we describe the major contributors of CSF flow through both diffusive and convective forces beginni...
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Introduction: Rectal cancer is among the main causes of cancer-related mortalities worldwide, necessitating more effective treatment strategies. It is considered that lateral pelvic lymph node dissection (LPND) for rectal cancer patients can contribute to local tumor control and that robotic LPND (Rob-LPND) may be more suitable for LPND, due to tec...
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Artificial light at night (ALAN) is a widespread, human-induced alteration of the landscape that affects insect dispersal and potentially contributes to insect decline. We used an experimental area with streetlights installed adjacent to an agricultural drainage ditch to experimentally assess the abundance and diversity of emerging and flying aquat...
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Juan Murube del Castillo is amongst the foremost prominent figures of Spanish ophthalmology. He was a visionary and an innovator. While several individuals have historically contributed to developing the lacrimal drainage system by innovating surgical instrumentations and techniques,10–15 Murube has carved his unique place in history for posterity....
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Pulmonary aspergilloma typically develops in pre-existing lung cavities, while hemoptysis is the most recognized complication, spontaneous pneumothorax in immunocompetent patients is exceptionally rare. We report a case of a 58-year-old immunocompetent male who presented with acute respiratory distress due to spontaneous pneumothorax. Chest imaging...
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The genesis of tunnel valleys, key subglacial drainage features, is a subject of debate, with significant implications for understanding past ice-sheet dynamics. This study examines two neighbouring tunnel valleys along the Poznań Phase margin of the Scandinavian Ice Sheet in western Poland. Geomorphological mapping and digital terrain analysis rev...
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Nowadays, large oil fields have moved to the stage of declining production, to maintain reservoir pressure, it is necessary to apply flooding technologies. To maintain the previous rates of oil production, it is necessary to force selections by increasing the value of downhole pressure on the injection wells. However, the risks of exceeding the fra...