Academic literature on the topic 'Infill dividers'
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Journal articles on the topic "Infill dividers"
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Shaik, mahaboob subhani*, and Budda Beeraiah. "Seismic Evaluation of Multi Storey Building with Ground Soft Story and with Infill Action." International Journal of Innovative Technology and Exploring Engineering 10, no. 6 (2021): 22–27. http://dx.doi.org/10.35940/ijitee.f8726.0410621.
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The improvements in (3D) three–dimensional underlying examination and processing assets have permitted the effective and safe plan of taller constructions. These constructions are the outcome of expanding metropolitan densification and financial suitability. The pattern towards continuously taller constructions has requested a move from the conventional strength based plan approach of structures to an emphasis on obliging the general movement of the design. Presently a day's supported cement (RC) divider outline structures are generally suggested for metropolitan development in zones with high SE danger. Presence of shear dividers bestows an enormous solidness to the sidelong power opposing arrangement of the RC building. Appropriate specifying of shear dividers can likewise prompt bendable conduct of such constructions during solid quake shaking. One of the remarkable boundaries impacting the shear divider (SD) SE (SE) conduct outline structures is the SD region proportion. In this manner a scientific examination is performed to assess the impact of Shear Wall Area to floor zone proportion (SW/FZP %) on the SE conduct of multistoried RC structures with delicate story at ground floor. For this reason, 12 structure plans that have Five, Eight and Twelve stories with SW/FZP % going somewhere in the range of 0.70% and 1.31% in the two ways are created. Here, the conduct of these plans under quake stacking is evaluated via doing Response Spectrum Analysis and Linear Time History Analysis utilizing primary examination programming E-TABS. Reaction Spectrum Analysis is finished by SE code IS 1893:2002. Straight Time History Analysis is completed by considering the three ground movement records to be specific Bhuj, Chamba and Uttarkasi. The primary boundaries considered in this investigation are the connection SW/FZP % has with base shear and rooftop dislodging, story uprooting and story float. The logical outcomes demonstrated that building plans with SW/FZP % equivalent to 1% acted sufficiently under tremor loads. Furthermore when the SW/FZP % expanded past 1% it is seen that the improvement of the SE presentation isn't as huge.
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Shaik, Mahaboob Subhani, and Beeraiah Budda. "Seismic Evaluation of Multi Storey Building with Ground Soft Story and with Infill Action." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 10, no. 6 (2021): 22–27. https://doi.org/10.35940/ijitee.F8726.0410621.
Full textAbstract:
The improvements in (3D) three–dimensional underlying examination and processing assets have permitted the effective and safe plan of taller constructions. These constructions are the outcome of expanding metropolitan densification and financial suitability. The pattern towards continuously taller constructions has requested a move from the conventional strength based plan approach of structures to an emphasis on obliging the general movement of the design. Presently a day's supported cement (RC) divider outline structures are generally suggested for metropolitan development in zones with high SE danger. Presence of shear dividers bestows an enormous solidness to the sidelong power opposing arrangement of the RC building. Appropriate specifying of shear dividers can likewise prompt bendable conduct of such constructions during solid quake shaking. One of the remarkable boundaries impacting the shear divider (SD) SE (SE) conduct outline structures is the SD region proportion. In this manner a scientific examination is performed to assess the impact of Shear Wall Area to floor zone proportion (SW/FZP %) on the SE conduct of multistoried RC structures with delicate story at ground floor. For this reason, 12 structure plans that have Five, Eight and Twelve stories with SW/FZP % going somewhere in the range of 0.70% and 1.31% in the two ways are created. Here, the conduct of these plans under quake stacking is evaluated via doing Response Spectrum Analysis and Linear Time History Analysis utilizing primary examination programming E-TABS. Reaction Spectrum Analysis is finished by SE code IS 1893:2002. Straight Time History Analysis is completed by considering the three ground movement records to be specific Bhuj, Chamba and Uttarkasi. The primary boundaries considered in this investigation are the connection SW/FZP % has with base shear and rooftop dislodging, story uprooting and story float. The logical outcomes demonstrated that building plans with SW/FZP % equivalent to 1% acted sufficiently under tremor loads. Furthermore when the SW/FZP % expanded past 1% it is seen that the improvement of the SE presentation isn't as huge.
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Abhishek, Kumar Chimaniya, Kumar Singh Chandrakar Vinay, and Singh Tomar Praveen. "Evaluate the Magnification Factors for Building with Respect to Zone and Height of the OGS Building." Journal of Structural Technology (e-ISSN: 2581-950X) 4, no. 3 (2019): 46–51. https://doi.org/10.5281/zenodo.3374465.
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Infill dividers can be showed up in business programming using two-dimensional zone part with fitting material properties for direct flexible examination. In any case, this kind of showing may not work for non-direct examination since the non-straight material properties for a two-dimensional orthotropic area isn't amazingly knew. Seismic evaluation of a current reinforced bond (RC) encompassed structure would reliably require a non-straight examination. Spread piece around there supports a straight slanting swagger way to deal with oversee manage model infill divider for both direct (Equivalent Static Analysis and Response Spectrum Analysis) and nonlinear examinations (Pushover Analysis and Time History Analysis). A current RC confined structure (G+3) with open ground story composed in Seismic Zone-V is considered for this examination. This structure is dismembered for two exceptional cases: (a) considering both infill mass and infill quality and (b) considering infill mass yet without considering infill consistent quality. Two separate models were made using business programming STAAD PRO. Infill burdens were appeared through applying static dead weight and separating masses considered from this dead weight for fragment examinations. Infill quality was exhibited using to the opposite side swagger procedure. Two irrefutable sponsorship conditions, expressly changed end fortify condition and stuck end reinforce condition, are considered to check the effect of assistance conditions in the duplication factors. Straight and non-direct examinations were rehearsed for the models and the results were considered. The examination results exhibit that a section of 2.5 is too high to even consider evening consider night consider being in any capacity reached out to the bar and part powers of the ground story of low-climb open ground story structures. This examination expect that the issue of open ground story structures can't be seen fittingly through flexible examination as the quality of open ground story building and a proportionate revealed edge building are fundamentally same. Nonlinear examination reveals that open ground story making misses the mark through a ground story part at an essentially low base shear and evacuation and the procedure for disappointment as far as anyone knows is touchy. Speedy and nonlinear examinations exhibit that sponsorship condition impacts the response broadly and can be a basic parameter to pick the power augmentation part.
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Hake, Prashant. "Contrastive Investigation of High rise building with distinctive infill wall by Pushover analysis." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 06 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem35543.
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Pushover analysis is a method that uses simple nonlinear techniques to predict seismic structural deformations. Today, we use masonry infill in reinforced concrete (R/C) frames for architectural, aesthetic or economic reasons. In this project, we need to study the effect of backfill on the damage structure of the reinforced concrete frame. The main purpose of this study is to show that adding walls to the reinforced concrete frame can increase the strength and stiffness of seismic resistant structure loads and increase the feedback for strength and stiffness analysis.These instructions strictly comply with FEMA-356. In this project, we use three types of bricks: red brick, fly ash brick, deep brick and siporex brick. Taking the output of non-linear analysis, we compare layer V/S i) Base Shear, ii) Storey Displacement, iii) Floor Shift Base Shear V/S Attack and Observe Spectrum Acceleration V/S spectral function . We also use ETABS 2017 software to study the effects of bare shear walls.. Key Words: Pushover Examination, Brick infill, FEMA-356, Displacement, Float, Shear Divider, ETAB-2017
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Zhang, Mei Ling, Zheng Zhou, and Lei Feng. "Based on the Sedimentary Facies of the Low Porosity and Permeability Reservoir Water Flooded Layer Qualitative Interpretation Method." Applied Mechanics and Materials 733 (February 2015): 47–50. http://dx.doi.org/10.4028/www.scientific.net/amm.733.47.
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Yushulin oilfield Fuyang reservoir belongs to typical low porosity and permeability reservoirs. The internal sand body has complex pore structure and serious heterogeneity. The well logging response doesn't change significantly after the reservoir is flooded. In order to improve the identification precision of the water flooded layer, this paper divides the reservoir into the thick reservoir which is mainly to fluvial facies and estuarine dam deposition and the thin and poor reservoir which is mainly to sheet sand and far sand dam two class. The qualitative identification chart of water flooded layer was established. The chart coincidence rate is more than 75 %, providing a strong basis for perforation scheme of infill wells. The research method of the peripheral oilfield flooded layer identification has wide applicability.
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Castillo, Monique. "The cultural divide." Inflexions N° 29, no. 2 (2015): 141. http://dx.doi.org/10.3917/infle.029.0141.
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Zhang, Zhao, Anand Kumar Pothula, and Renfu Lu. "A Review of Bin Filling Technologies for Apple Harvest and Postharvest Handling." Applied Engineering in Agriculture 34, no. 4 (2018): 687–703. http://dx.doi.org/10.13031/aea.12827.
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Abstract. Bin fillers play a critical role in transporting and distributing fruit evenly and without bruising into individual bins or containers from harvest platforms infield or sorting lines in the packinghouse. Over the years, a large variety of bin fillers have been developed for infield use and postharvest handling. This article reviews different bin filling technologies in terms of major design features, performance, and throughput, as well as automatic control and safety features. For infield use, bin filler designs have evolved from the early use of conveyors and reciprocating plates to recent adoption of soft pads and foam rollers, to reduce bruising and improve fruit distributions. For postharvest use, tilted bins and conveyors commonly used with early bin fillers have been replaced with hinged trays and vacuum suction cups for fruit transport and cylinder brushes and swingable dividers for bruise prevention. While many types of bin fillers have been developed, few are suitable for infield use because it imposes more constraints than postharvest use. Despite the use of automatic sensing and control in most bin fillers, human assistance is still needed during their operation. There are still major issues with the current bin fillers, such as large size, complexity in design, uneven fruit distributions, and low throughput. Further effort should, therefore, be directed towards the development of high throughput, simple yet reliable, compact and fully automated, or even intelligent bin fillers for infield and postharvest use. Keywords: Apple, Automation, Bin filler, Harvest, Infield, Postharvest handling.
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Aghlan, Mohammad Hossein, Omid Asghari, and Xavier Emery. "Optimizing Infill Drill Hole Decisions While Capturing the Spatial Continuity of Geochemical and Geometallurgical Properties: Application to Gol Gohar Iron Ore Mine, Iran." Minerals 15, no. 5 (2025): 478. https://doi.org/10.3390/min15050478.
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This paper addresses the problem of infill drill hole placement for mineral resource estimation and classification. The placement is considered optimal when it maximizes an objective function that accounts for ore grades, mineral resource classes, extraction priorities, and block volumes, where the grade and resource classes are defined on the basis of a set of geostatistical simulations. To expedite the identification of the optimal solution within a condensed timeframe, modifications to the random search (RS) algorithm are introduced, including a partition of the region targeted for drilling and the definition of a maximum distance to existing drill holes. The modified RS divides the study area into smaller areas and examines all these areas to find the optimal solution, in order to reduce the search time and to reach the best possible solution. This approach, furthermore, eliminates the impact of different random starting points and the risk of getting trapped in certain areas of the solution space. Also, the incorporation of a geometallurgical parameter (recovered metal) instead of the ore grade represents an innovation that signifies the consideration of mineral processing perspectives to optimize the drill hole placement. The proposed modified RS algorithm is applied to a dataset from an Iranian iron deposit consisting of 240 exploration drill holes, and resulted in 11% to 21% of the indicated resources being converted into measured resources after locating nine infill drill holes accounting for the iron grade and the recovered metal, respectively. The modified RS also compares favorably to other traditional optimization techniques.
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Gao, Jie, Chen Chen, Xiongbing Fang, et al. "Multi-objective topology optimization for solid-porous infill designs in regions-divided structures using multi-patch isogeometric analysis." Computer Methods in Applied Mechanics and Engineering 428 (August 2024): 117095. http://dx.doi.org/10.1016/j.cma.2024.117095.
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Tee, Kienpin, and Abiot M. Tessema. "Stock market reactions to dividend and earnings announcements in a tax-free environment." International Finance 22, no. 2 (2018): 241–59. http://dx.doi.org/10.1111/infi.12331.
Full textBook chapters on the topic "Infill dividers"
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Taylor, Luke. "The Meaning of X-Ray Paintings." In Seeing the Inside. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198273905.003.0009.
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Abstract The generic term ‘X-ray’ art is commonly used by researchers to describe the style of figure painting where the internal organs and skeletal features of the subjects are represented rather than the surface features such as fur, feathers, or scales. Kunwinjku now also use this term to describe some paintings. Techniques of X-ray representation are particularly elaborate in Kunwinjku art. Different types of X-ray infill encode sets of meaning which relate to many different realms of Kunwinjku experience of the world. I focus particularly on bark paintings produced in the public context of the camp, but draw on information regarding X-ray designs used in ceremonial contexts to develop an understanding of the systematic associations between X-ray paintings. Kunwinjku X-ray paintings are another elaboration of the ‘divided-body’ template discussed in the previous chapter.
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Drougkas,, A., C. E. Adami,, E. Vintzileou, and V. Palieraki. "Numerical analysis of a masonry infill (divided into smaller wallettes) under in-plane cyclic loading." In Brick and Block Masonry. CRC Press, 2016. http://dx.doi.org/10.1201/b21889-148.
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Vintzileou, E., C. E. Adami, and V. Palieraki. "In-plane and out-of-plane response of a masonry infill divided into smaller wallettes." In Brick and Block Masonry. CRC Press, 2016. http://dx.doi.org/10.1201/b21889-169.
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Bergmann, Neil W. "Ubiquitous Computing for Independent Living." In Intelligent Technologies for Bridging the Grey Digital Divide. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61520-825-8.ch001.
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Ubiquitous computing technology (ICT) shows great potential in supporting the infirm elderly, and others managing complex health issues, to live independently in their own home. While these technologies have great promise, their adoption level is low in Australia. It is suggested that two concurrent strategies are needed to improve the penetration of ICT-based assistive technology in the community. Firstly, significant trials are needed to verify that such systems can provide improved health outcomes and reduce health system costs for suitably targeted patients. Secondly, research in security and privacy, open standards, human-computer interfaces and new models of care driving software specifications is needed, so that these health system benefits can be achieved at a reasonable cost, and with adequate consideration of the needs of clients and carers.
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Stott, Rosemary. "11 Films from the ‘Other Side’ The Infl uence of the Cold War on the West German Feature Film Import in the GDR." In Divided, But Not Disconnected. Berghahn Books, 2022. http://dx.doi.org/10.1515/9781845456467-014.
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Kroch, Anthony, and Ann Taylor. "Verb-Object Order in Early Middle English." In Diachronic Syntax. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198250265.003.0006.
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Abstract In the standard account (Canale 1978, van Kemenade 1987, Lightfoot 1991), there is a sharp divide in word order between Old and Middle English. Old English is INFL-final and OV while Middle English is INFL-medial and VO. Indeed, Lightfoot gives an account of the transition from Old to Middle English based on a catastrophic reanalysis in the twelfth century (Lightfoot 1991, 1999) and, viewed from a certain distance, this story has considerable plausibility. Thus, up until the entry for II22 CE, the syntax of the Peterborough version of the Anglo-Saxon Chronicle, the manuscript which extends furthest into the twelfth century, is that of standard literary Old English. The brief continuations, which end in II54, are hard to interpret but are not revolutionary in their syntax. These are the last documents of Old English. Then in the first quarter of the next century, several prose texts of West Midlands provenance appear, the Ancrene Riwle and the Katherine Group of saints’ lives, whose word order is considerably more modem. INFL-final word order seems absent and surface OV word order be comes a minority pattern. Nevertheless, there is reason to doubt the standard account.
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Lawrence, Hill-Cawthorne. "5 Persons Covered by International Humanitarian Law: Main Categories." In The Oxford Guide to International Humanitarian Law. Oxford University Press, 2020. http://dx.doi.org/10.1093/law/9780198855309.003.0005.
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This chapter identifies the main categories of persons deemed to be in need of protection in situations of armed conflict, according to which the rules of international humanitarian law (IHL) are structured. The two principal categories of persons under the law of international armed conflict (IAC) are combatants/prisoners of war (POWs) and civilians. This categorization lies at the heart of one of the key principles of IHL, that of the distinction between combatants (being, generally, lawful targets) and civilians (being, generally, not lawful targets). These two principal categories are then further divided, with special (additional) rules applying to certain persons falling within each sub-category—including the wounded, sick, and shipwrecked; women; children; the elderly, disabled, and infirm; refugees and internally displaced persons (IDPs); mercenaries and spies; journalists; and the missing and the dead. For some of these categories of persons, such as women and displaced persons, the rules remain very basic and inadequate for the contemporary challenges faced in armed conflicts. What is more, many of these categories are even less clearly defined under the law of non-international armed conflict (NIAC).
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"Francis Barrett: The Magus 1801." In Milestone Documents of World Religions. Schlager Group Inc., 2011. https://doi.org/10.3735/9781935306191.book-part-073.
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The Magus; or, Celestial Intelligencer, by Francis Barrett, is widely recognized as one of the fi rst infl uential texts concerning ritualistic magic and the occult in the English- speaking world. Originally printed in 1801, The Magus for the fi rst time brought together sections (or complete translations) of many previously rare and diffi cult-to-fi nd texts in a format that was easily accessible. The works collected in The Magus include a previously translated edition of The Heptameron; or, Magical Elements, by the medieval Italian physician Peter de Abano; The Key of Solomon, a book on magic credited to King Solomon; and, most famously, the De occulta philosophia libri tres (Three Books on Occult Philosophy) by the early-sixteenth-century mystic Cornelius Agrippa, along with the Fourth Book on Occult Philosophy, which has been attributed to Agrippa. Although it was originally divided into three books, The Magus is most commonly printed in one single volume.
Conference papers on the topic "Infill dividers"
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Barba, Robert E. "The High Cost of Poor Child Protection: Economic Evaluation at the Pad Level with Primary Well Refracs." In SPE Oklahoma City Oil and Gas Symposium. SPE, 2023. http://dx.doi.org/10.2118/213075-ms.
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Abstract Most organic shale operators and capital providers believe that refracs cannot compete economically with new wells. If production from actual refracs and infill well protection is considered, the combined NPV10 is higher than that of a new well in several of the areas studied (Barba et al 2022 and 2023). The two components of the uplift are reviewed here in greater detail than previous refrac economic analyses. For this evaluation, we looked at the Eagle Ford, Haynesville, and the Midland Basin Wolfcamp age organic shales. In the first iterations of the studies, the actual declines of 34 refracced wells in the Eagle Ford and 63 wells in the Haynesville were burdened with a current AFE estimate to provide an estimate of rate of return and NPV (Barba et al 2022 and 2023). When the completion practices were reviewed for the Haynesville we observed that operators did not consistently follow perforating "best practices" to obtain high cluster efficiencies and that they were leaving a lot of "meat on the bone." A second iteration in Haynesville estimated the increased uplift with the application of "best practices." Since the majority of the refracs in the Eagle Ford were done by operators that more frequently employ "best practices" the original declines were used. The hypothetical Permian uplift was estimated with the assumption that "best practices" would be used to obtain 100% cluster efficiencies. This should result in the recovery of the majority of the stranded hydrocarbons that have been identified with recovery factor analyses of legacy and new completions. The expected Permian uplift is the difference between the +/- 14% expected recovery factor for liner refracs with XLE and wells completed with wide cluster spacings prior to H2 2016. These legacy completions in what we are now calling "primary" or "parent" wells have recovery factors that are typically in the 2% to 5% range (Barba and Villarreal 2020). On the primary well protection refrac uplift portion, the first iterations also assumed that first order infill child wells in proximity to primary parent wells delivered 40% lower EURs than analogous infill wells without offset depletion sinks (Elliott 2019). It does not assume damage to second order or higher offsets which this study will show can be significant. A review was done of 143 Haynesville recent generation completions to estimate the recovery factors for infill wells. This recovery factor was used to compare the relative performance of infills which have primary well offsets to those without them. A key finding of that comparison was that the primary well protective refracs were indeed successful in reducing EUR damage in the infill wells. They did not totally eliminate it, however. One issue that came up in SPE 212371 (Barba et al 2023) was the liner refracs in the study did not utilize "best practices" with regard to recommended friction pressure drops and was likely that +/- 40% of the protective refrac clusters were not stimulated. The first order and second order offset EUR damage was lower than was observed in the unprotected wells. It was also observed on several occasions that the higher order more distant offsets often had similar recovery factors to lower order offsets in the same pad. Well spacing also played a role in this as the majority of the infill well spacings were less than the 1320 ft benchmark spacing (660 ft drainage radius) that provided the most consistent reasonable recovery factors. Recovery factors are based on volumetric calculations of hydrocarbon in place of an area that is the length of the lateral by the 1320 ft width and the height of the reservoir. Decline analysis provided the EUR which divided by the hydrocarbon in place yields the recovery factor. The P10 recovery factor for new wells was 56% with most of the wells with no close offsets at the high end. The distribution of recovery factors for the 143 new wells ranged from a low 16% to a high of 79%, and a P50 value of 41%. A plot will be presented in a later section to show the distribution. The wells below the P10 56% value, were not all first-order infills to depleted primary wells. The lower performance was probably a combination of infill damage to both first and higher order infill wells, well spacings less than 1320 ft, and completion practices that often did not use the recommended 3000 psi perforation friction pressure dops to maximize cluster efficiency. (Barba and Villarreal 2023 HFTC). While the study will provide an estimate of the relative importance of each variable it is clearly not as simple as just comparing EURs.
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Yogasugama, Mario Andre, Mario Hadinata Prasetio, Aulia Rahman, et al. "Low Quality Reservoir Infill Development – Case Study of Kotabuana Field." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215446-ms.
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Abstract Oil field development tends to prioritize its most advantageous features first in maximizing revenue. One of the most common way of such effort is to prioritize the development of High Quality reservoir. Kotabuana field also follow such practice. With the vertical reservoir divided into two main formation such as Tenares and Bekalo, the development of Bekalo reservoir which has significantly better reservoir quality was prioritized since the discovery of the field back in 1970s. The development of Tenares reservoir through infill drilling expansion was initiated as continuation effort following up the recent Tenares Optimization campaign from existing well that started in 2018 with major improvement in completion selection and pressure maintenance strategy leveraging key lesson learned from previous development effort such as single Tenares completion to maximize the sand's production contribution, minimizing the crossflow tendency from Bekalo reservoir that has contrast influx due to its significantly better reservoir property and driving mechanism. It was balanced by injection strategy by adding single sand Tenares injector to maximize the injection allocation towards Tenares reservoir. The development scenario selected was based on the simulation result that aimed towards the exploitation of the remaining oil that shown in the Movable Oil Index (MOI) map. Once the remaining oil was located, the next step is identifying detailed well placement that depends on the reservoir property. New injectors were placed in the lack of pressure area identified by Pore Pressure Index (PPI) map to provide pressure support to new and nearby existing producers. Proppant fracturing was also proposed in the infill wells to allow the production and improve injection distribution. The infill drilling execution was done smoothly without significant problem during the execution. The challenge, however, lies in the surface location preparation that leads on the delay of the injector drilling. This delay created a disruption in production stage where the multiple findings of operational problem due to lack of pressure support that required extensive troubleshooting and optimization effort to minimize the operational problem. Despite of the challenges, the current development provides a total production incremental with an average initial production of105 BOPD out of current 25 wells put on production. The infill candidates that located outside of the current Tenares Area of Interests also opens new opportunity area in expanding the depletion plan without disrupting most of the existing wells that already drained from prime location. the development of LQR also provides another benefit in the brown field development strategy that usually requires a larger gross production fluid to maintain the target oil production. With its typical low fluid production, the electricity consumption can be reduced and avoid the necessity of upgrading the gathering station fluid processing capacity.
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Al-Rawahi, Zainab, Waleed Al Hadhrami, Azza Hussaini, et al. "Capital Efficiency Improvement of an Infill Water-flood Project of a Clastic Reservoir Field in South of Oman." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211305-ms.
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Abstract Unlocking future development opportunities for brown fields are deemed to be a challenge from Urban Plan (UP) prospective. A field "A" of this paper subject is located south of Oman and was discovered in 1956. The reservoir in this field is a clastic formation divided into two main units; A and B, separated by a 10-15m thick lacustrine shale. The field is an onshore and is under waterflood since 1990s. The development of this paper subject was initially coupled with a nearby Field in the same cluster "Field B" for infill waterflood followed by polymerflood concept. The field development plan (FDP) calls for infill drilling in Inverted "9-spot" patterns with tighter well spacing in the Unit-A, convert corner Oil Producer (OP) to Water Injector (WI) and this development is to be associated with a totally new Urban Plan "revamp" that requires a demolition of the existing facilities. It also called for developing Unit-B through dedicated (twin) wells instead of comingling with Unit-A (to be supported by field trials). Moreover, selectively abandon horizontal producers in mitigating collision or interference risk with infill wells and to De-risk the full field polymer development through a new dedicated polymer pilot using new polymer molecular weight based on core flooding experiments data. The project was parked in 2014 at Decision Gate 3b (DG3b) because it was not economic with a very high Unit Technical Cost (UTC). Since then, great efforts were made by the Asset team to drive project competitiveness and be able to mature the project. Main steps achieved were; 1) de-risking/validating infill development concept by accelerating part of the FDP drilling scope utilizing the existed facility with very attractive economics; which unlocked an alternative full field urban plan concept of retrofitting instead of revamp resulted in drastic drop of project UTC, 2) Completing FDP proposed field extension appraisal scope (added additional 63 infill well locations), 3) Optimizing Water Treatment Plant (WTP) scope utilizing available field historical injection data, 4) Proposing Integrated Project Contracting Strategy (IPM) for drilling project wells to reduce drilling cost, 5) Proven comingling concept of Unit-A and B instead of twining through a dedicated pilot and 6) Successfully de-risked full field polymerflood development through a two years dedicated pilot. All these steps have led to successfully mature the project to Final Investment Decision (FID) in Q3 2020. This paper will demonstrate the key development challenges and risks, key steps made to validate/de-risk the proposed concepts before the full field implementation and the capital efficiency Journey to improve project competitiveness through an integrated subsurface and surface efforts.
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Velivela, Vivek, and Saravana Kumar Gurunathan. "A Finite Element Model to Predict the Part Strength of Fused Deposition Modeling Printed Parts." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66810.
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This paper aims at creating a computational finite element model, which will be used for prediction of deformation and failure of specimen under static loads for specimens prepared using FDM based 3D printers with different raster fill patterns and density. The work is divided as follows: a) understanding heterogeneity in specimen printed using FDM; b) conducting strength testing experiments to estimate stiffness and failure corresponding to particular infill configuration; c) creating and validating computational finite element model of FDM printed specimen with various raster fill pattern and density. In this work, the computational model of FDM parts is created as a multi-layered composite model. The computational model generated in this work can be used to estimate the deformation of a specimen printed using FDM process under a specific load condition. This model can further be used within an optimization framework to maximize part strength for a part with any geometry by suitably selecting part orientation and slicing parameters for a given service load condition.
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Praditya, Yusuf Alfyan, Chrisnadi Susanto, Masio Patria, Andi A. Wibowo, _. Medianestrian, and _. Budiyono. "Opportunity vs Risk : Connected Volume Uncertainty in Highly-Faulted Reservoirs - Case Study and Lesson Learn." In SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210325-ms.
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Abstract Subsurface uncertainty will always be part of the field development. Moreover, the existence of multiple faults that divides reservoirs into segments create more challenges and risks in understanding the field performance. In the other hand, this compartmentalized reservoirs typically also offer promising opportunities for undrained or virgin pressure reservoir development which can provide significant added value especially for mature assets. This paper presents valuable case study and lesson learn from Premier Oil Indonesia in modelling and estimating optimization opportunities in highly faulted reservoirs at Garuda Field located in Natuna Sea offshore. Several integrated studies that involved seismic reprocessing, static modelling, fault seal analysis, P/Z Analysis and MatBal simulation were done and lead to identification of several promising opportunities to produce the suspected undrained / high pressure reservoir compartments. However, uncertainty and risk will remain lay underground unless the opportunity is accessed or drilled. Two initial opportunities were drilled and workovered in 2021 that unfortunately had depleted pressure outcome – not align with initial expectation. Case study presented in this paper provide valuable insights and lesson learns in developing compartmentalized reservoirs. Especially when having infill well optimization programs among severely depleted neighbor sands. Despite alignments of several analysis, huge uncertainties are always involved when dealing this type of reservoirs, unless the well is drilled to provide some answers.
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Kasaraneni, Pruthvi Raj, Tahani Al Rashidi, Mishary Al Zamanan, Girija Shankar Padhy, and Jeevan Kumar Silambuchelvan. "Monitoring Health of Minagish Reservoir Through Tracking Movement of Reservoir Fluids." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211376-ms.
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Abstract This paper describes the methodology adopted to Monitor Health of Reservoir by tracking historical movement of reservoir fluids in an Oolitic limestone reservoir in Kuwait. The reservoir has a weak aquifer support, hence Gas injection followed by Water injection was implemented to provide necessary pressure support and improve overall reservoir sweep. Since injection is being undertaken for a long period of time, drainage radius of water injectors is estimated through streamlines and accordingly the reservoir is divided into different regions based on the injection radius. Thereafter, historical movement of reservoir fluids in each region is analyzed for a period of 60 years to understand the following, Identify the position of leading edge of water and its associated flood-front with respect to each zone & region.Capture oil saturation changes during the last 60 years and identified which regions had minimal changes in oil saturation to accelerate implantation of new infill wells to maximize recovery.Locate where is the remaining oil in the reservoir and identified on what is it causing presence of remaining oil at any given location.Capture the changes in region-wise pressure by coupling with movement of Injected water.Generate distribution of Voidage replacement ratio and injection efficiency in different regions of the reservoir.
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AlJawder, Abdulla, Yusuf Engineer, Bader Alhammadi, and A. Wahab Buarki. "A Study on Increasing the Number of Stages in the Acid Fracturing Stimulation Technique in Horizontal Wells for a Tight Fractured Carbonate Reservoir in the Bahrain Field." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22586-ea.
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Extended Abstract The Ahmadi formation of Bahrain field is of Middle Cretaceous age. It is predominantly a shale lying immediately below the Magwa member of the Rumaila formation and contains two limestone units in the Bahrain field, which are referred to as Aa and Ab members. Limestone Aa and Ab are present with practically uniform thickness over the entire Bahrain field area, as a blanket like deposition. The Ahmadi Reservoir in the Bahrain Field has been producing since 1933. Ahmadi consists of two main limestone units, AA and AB, separated by a 40-45 ft shale member. The AA reservoir is typically 3 to 4 feet thick, while the AB is divided into three separate units: AB1, AB2, and AB3. AB1 and AB3 are fairly clean limestone units, with a cumulative net reservoir of 12 to 14 ft. AB2 is about 4 to 5 feet thick, and characterized as a non-reservoir. The matrix permeability ranges from 1 to 2 mD. The main focus of the primary development plan was established by infill horizontal open hole lateral section, targeting the AB3 zone. However, poor matrix permeability and the irregularly spaced natural fracture network of the AB3 zone can hinder the primary development strategy and well production. Therefore, acid fracturing with 8 stages (60 ft each) in the open hole lateral section was implemented to improve well performance. A study was initiated in 2019 to improve the acid fracturing technique in the AB3 open hole lateral section (horizontal wells) by increasing the number of stages from 8 stages (60 ft each) to 18 stages (60 ft each). The wells targeted were located in areas with low reservoir quality and low fracture networks in order to induce artificial fractures, thereby improving well performance.
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Mehran, Fatemeh, Hayati Turiman, Nur Farhana Mohd Jamil, and Khairul Mustaqim A Aziz. "Enhanced Oil Recovery Surveillance and Operation Optimization through Digital Oilfield." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21402-ms.
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Abstract S Field field started enhancement planning and redevelopment recently by using an innovation EOR program called GASWAG, Gravity Assisted Simultaneous Water and Gas, in the selective oil-bearing sands. The initial program includes 6 infill producers, 2 water injectors, 3 gas injector wells and approximately 15 potential well reactivations to increase recovery by 7%. Since GASWAG is a new program in this region, it requires well and reservoir monitoring system to be implemented to have better understanding of complex behavior of water and gas injection and its effect on EOR performance. The main objective of the EOR Integrated Operation (IO) workflows solution, is to determine as quickly as possible if EOR performance is deviating from plan. This will be accomplished by earlier detection of EOR performance exceptions (compared to process without IO functionality), so that corrective action cycle time can be reduced, thereby reducing production deferment. Well Surveillance & Operational: a workflow to monitor, analyse and manage EOR wells production/ injection performance using real-time and in-time data together with updated well model. This Workflow focus on well and zones monitoring by using the well model and existing measurement. In addition, the existing IO workflows are integrated with EOR-Operational and feeding online data to this WF which is consistent with operational safety limit and KPOs. All operational data required for reservoir and production engineering were extracted either from well model, measurement or other workflows to the same well interface. Additionally, production and injection well surveillance and alarming system is implemented to benchmark the current operational condition deviated from plan or operational limit. Updated dynamic model and optimizer tool are used to define the optimum choke size of each reservoir layer for injecting or producing wells. This workflow was built and implemented successfully. It is designed based on very comprehensive technical aspects and KPIs from reservoir management, production engineering, facility constraint, well integrity to operational optimization. A single interactive visualization interface via web-based is implemented which cover all necessary production and reservoir data needed for collaborative decision making. The EOR well surveillance IO workflows will assist in automating computation of injection and production well health and performance. This solution benefits the asset team by allowing early detection of underperforming injection and production wells. Main challenges in S Field was, it is divided by several jackets thus require movement via vessel for manual data gathering. Unpredictable and adverse weather heavily challenge this activity. By having IO would help to improve data hygiene and collective data on daily monitoring. Additional functionality of the well surveillance workflow includes the monitoring of zonal rate and pressure, which are considered as main reservoir performance parameters. Operations, production, and reservoir engineers, as well as technical & business owners benefit from these workflows to steer the EOR operation.
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Peric, Ivan, Barbara Gilic, and Mateo Blazevic. "Vitamin D status among youth soccer players; association with chronological age, maturity status, jumping and sprinting performance." In 12th International Conference on Kinanthropology. Masaryk University Press, 2020. http://dx.doi.org/10.5817/cz.muni.p210-9631-2020-14.
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Purpose: Vitamin D is known to have a significant role in numerous body-system processes. Specifically, it has an impact on muscle functioning and, therefore sports performance. Chil-dren and adolescents have increased need for vitamin D because of its importance in growth and development, and it is evident that they are more susceptible to have vitamin D deficien-cy. Consequently, vitamin D status is particularly important issue in youth competitive sport. The aim of this study was to determine the prevalence of vitamin D deficiency/insuficiency (measured as 25(OH)D concentration), and the possible associations between vitamin D, with age, maturity status, sprinting- and jumping-performance among youth soccer players. Methods: The sample of participants in this research comprised 62 youth soccer players (age: 15.7 ± 2.2 years). They were divided into two categories according to 25(OH)D levels measured at the end of the winter season: group with inadequate levels of 25(OH)D (vitamin D deficiency/insuficiency [ 75 nmol/L]). Biological maturity status (maturity offset) was calculated from participants age and height by the following equation: Maturity offset = −7.999994 + (0.0036124 × (age(yrs.) × height(cm)). Performance variables were 10 meters sprint test (S10m) and countermovement jump test (CMJ). Results: Results showed relatively good 25(OH)D concentrations (78.32 ± 23.39 nmol/L), with prevalence of deficiency ( < 50 nmol/L) in 8.06%, and insuficiency (50–75 nmol/L) in 46.77% athletes. Significant correlations were evidenced between the CMJ and 25(OH)D level (R = 0.27, p < 0.05), but chronological age was also correlated with CMJ (R = 0.64, p < 0.05). Further, higher chronological age was found in participants with suficient vitamin D levels (15.1 ± 2.4 vs. 16.4 ± 1.6 years; t-test = 2.43, p < 0.05). However, no significant as-sociation was evidenced between vitamin D and maturity status. Conclusion: Vitamin D groups significantly differed by chronological age but not by maturity status, which collectively with correlation between CMJ and vitamin D status indicates that both vitamin D status and performance in youth soccer players is actually influenced by chronological age. Meanwhile, biological age doesn’t have a significant physiological influ-ence on vitamin D concentration, while some external factors (i.e. time spent outdoors, pa-rental control, sunscreen usage), should be considered important.