Day 3 Wed, August 02, 2023最新文献

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Effect of Temperature and Particle Exposure on Hydroxyapatite Nanoparticles on Wettability Alteration of Oil-Wet Sandstone 温度和粒子暴露对羟基磷灰石纳米颗粒对油湿砂岩润湿性变化的影响
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217124-ms
E. Ngouangna, M. Jaafar, M. N. Anam, A. Agi, J. Gbonhinbor, N. Ridzuan, S. Q. Mahat, F. Yakassai, J. Oseh, M. Al-Ani
{"title":"Effect of Temperature and Particle Exposure on Hydroxyapatite Nanoparticles on Wettability Alteration of Oil-Wet Sandstone","authors":"E. Ngouangna, M. Jaafar, M. N. Anam, A. Agi, J. Gbonhinbor, N. Ridzuan, S. Q. Mahat, F. Yakassai, J. Oseh, M. Al-Ani","doi":"10.2118/217124-ms","DOIUrl":"https://doi.org/10.2118/217124-ms","url":null,"abstract":"\u0000 Nanofluid treatment is being developed to improve oil recovery and reduce residual oil entrapment in sandstone reservoirs. Nanoparticles for enhanced oil recovery (EOR) at ambient conditions have shown good potential in recent research. The efficiency on EOR has been found to be significantly influenced by nanofluid composition, exposure and time. However, there is a serious lack of knowledge regarding the influence of temperature on nanofluid performance. The effects of temperature, exposure, time, and particle size of hydroxyapatite nanoparticles (HAP) on the wettability alteration of an oil-wet sandstone were thoroughly investigated, and the stability of the nanofluids was equally examined. At higher temperatures, it was discovered that nanofluid treatment is more effective, with nanoparticle size having little or no influence. The sandstone surface mechanically absorbed most nanoparticles in an irreversible manner. The HAP nanofluid was still effective at high temperature reservoir condition and is herein proposed.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"23 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128642461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving Cement Sheet Contraction and Strength Retrogression for High Temperature Well Cementing Using Local Material 局部材料改善高温固井水泥薄板收缩和强度倒退
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217091-ms
Y. Yikarebogha, K. Igwilo, N. Uwaezuoke, J. U. Obibuike
{"title":"Improving Cement Sheet Contraction and Strength Retrogression for High Temperature Well Cementing Using Local Material","authors":"Y. Yikarebogha, K. Igwilo, N. Uwaezuoke, J. U. Obibuike","doi":"10.2118/217091-ms","DOIUrl":"https://doi.org/10.2118/217091-ms","url":null,"abstract":"\u0000 Cement sheet contraction and strength retrogression associated with high temperature well cementing has been prevented in the industry over the years with the use of silica flour. Due to the difficulty in sourcing the silica flour, Tympanotonus fuscatus commonly known as \"Periwinkle shell\" was investigated as an alternative. Elemental and Oxides characterization were carried out and periwinkle shell powder contains CaO – 69.54%, SiO2 – 16.96%, Al2O3 – 12.06%. API standard procedures were employed throughout the laboratory measurements to determine compressive strength using periwinkle shells powder at 35% and 40% (BWOC), compressive strength values at 24hrs/30days gave 4350/4365psi and 4485/4498psi at 200°F. But at 35% and 40% (BWOC), compressive strength values at 24hrs/30days gave 4811/4895psi and 4904/4927psi at 250°F. Using Silica flour as a control additive in the cement slurry formulations at 35% and 40% (BWOC) gave compressive strength values at 24hrs/30days of 3629/3652psi and 3699/3716psi at 200°F, at 35% and 40% (BWOC) gave compressive strength of 3720/3729psi and 3728/3753psi at 250°F. This showed that at equal concentrations and conditions, periwinkle shell powder gave the better result than the conventional silica flour. Also, the waste periwinkle shell possesses no commercial value and being locally available, it's usage in cement slurry for cement sheet contraction and strength retrogression reduces cost of HPHT cement operations.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121889689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heavy Oil Development and Reserve Addition Potentials: The Abura-6ST Case 稠油开发与新增储量潜力:Abura-6ST案例
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217197-ms
H. Ijomanta, E. Ifeduba, Olayinka Ayeni, Charles Akenobo, O. Okoh, Obianuju Igbokwe, Odude Adebayo
{"title":"Heavy Oil Development and Reserve Addition Potentials: The Abura-6ST Case","authors":"H. Ijomanta, E. Ifeduba, Olayinka Ayeni, Charles Akenobo, O. Okoh, Obianuju Igbokwe, Odude Adebayo","doi":"10.2118/217197-ms","DOIUrl":"https://doi.org/10.2118/217197-ms","url":null,"abstract":"\u0000 This paper evaluates the effect of the increment in recovery factor of the Abura Heavy Oil reservoirs on the heavy oil portfolio of NNPC E&P Limited and, ultimately, the reserve valuation of Nigeria as a country, considering that the Niger Delta basin has a significant amount of heavy oil reservoirs.\u0000 The Abura field has three (3) heavy oil reservoirs (1AB6, 2AB6 and 3AB6) with viscosity ranging between 10-17cp. These reservoirs were booked as contingent resources owing to sub-optimal production using conventional techniques and sub-commerciality. An FDP study in 2018 revealed that the heavy oil reservoirs could not sustain production and hence, are uneconomically viable to develop. The initial reservoir simulation results showed flow assurance issues mainly due to the high oil viscosity and consequently poor production rate, high water cut, and high-pressure drawdown due to unfavorable mobility ratios and flow assurance challenges caused by the high oil viscosity. Improved Oil Recovery (IOR) techniques were designed to combat the highlighted issues. The combination of IOR techniques employed includes deploying a Single Well Multiple completion which allowed the completion and commingling of 2 reservoirs (1AB6 and 2AB6) in the same tubing for increased oil production, deploying an Electrical Submersible Pump (ESP) to solve vertical lift challenges, installing Autonomous Inflow Control Devices (AICDs) to allow the preferential flow of oil, hydrocarbon fingerprinting for reservoir management and production allocation, and Micro Emulsion Based (MEB) stimulation post-completion, to reduce skin due to formation damage.\u0000 The results led to a significant increase in the forecasted production and, therefore, an increase in the reservoirs’ Expected Ultimate Recovery (EUR). This led to an eventual improvement of recovery factors for both reservoirs, positive migration of the contingent resources to reserves, increased revenue for the company, and a positive outlook for the numerous heavy oil resources in the company portfolio.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126101622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alpha-28 FastTrack Maturation to Execution – Securing Export Gas Supply 阿尔法-28快速通道成熟到执行-确保出口天然气供应
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217168-ms
O. F. Obakhena, T. Biambo, J. Alli-Oluwafuyi, C. Ikiliagwu
{"title":"Alpha-28 FastTrack Maturation to Execution – Securing Export Gas Supply","authors":"O. F. Obakhena, T. Biambo, J. Alli-Oluwafuyi, C. Ikiliagwu","doi":"10.2118/217168-ms","DOIUrl":"https://doi.org/10.2118/217168-ms","url":null,"abstract":"\u0000 In the global aspiration to meet an ever-increasing energy demand, fossil fuel and indeed natural gas plays a vital role both in energy security and energy transition. Natural gas is also a key driver of industrialization, a requirement for national growth and development. In the Niger Delta, problems with security & sabotage of hydrocarbon liquid evacuation pipelines as well as slippages in gas drilling projects has also led to shortages in gas supply, creating challenges in meeting contractual obligations to customers with attendant loss of revenue in a high oil & gas price regime.\u0000 To harness Nigeria huge gas reserve in the current business climate, it is pertinent to arrest declining gas production caused by aging reservoirs & maximize utility of available ullage by accelerating maturation of gas resources. Quickly maturing a gas resource to market has become very important to meet contract shortfalls in the short term and to comply with the recent call for sustainable greener and cleaner energy for environmental reasons on a long term.\u0000 Typically, the maturation and development of a gas project/well takes a minimum of two (2) years from identification to execution.\u0000 Maturation of Alpha-28 well in the Alpha field, a brown field Niger Delta, Nigeria, took about 12 months from identification to execution. This was achieved by adopting a non-conventional project maturation. This leaner approach, which did not lose any aspect of the project assurance intents of the conventional approach, involved proper framing, risk assessment, scaling, flexibility, and proactive engagement of all relevant stakeholders to ensure alignment. This paper discusses what was done differently, the how and the learnings that are planned to be incorporated into future similar projects.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123910018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrodynamic Cavitation as Oil Pretreatment Prior to Distillation 油蒸馏前的水动力空化预处理
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217212-ms
C. Ajinomoh, O. R. Momoh, J. J. Maku
{"title":"Hydrodynamic Cavitation as Oil Pretreatment Prior to Distillation","authors":"C. Ajinomoh, O. R. Momoh, J. J. Maku","doi":"10.2118/217212-ms","DOIUrl":"https://doi.org/10.2118/217212-ms","url":null,"abstract":"\u0000 Hydrodynamic cavitation has been employed in literature to distort the structure of crude oil as a way of its intensification prior to refining, with majority paying attention to adding additives in order to improve the yield. No attention has been paid to varying the storage time of the crude after cavitation. Hence, it was thought necessary to vary the storage time after cavitation in order to increase the yield of crude oil. 350 g of the feedstock was characterized and then continuously circulated through an orifice/cavitation device for 30s, then it was stored in an airtight plastic container. The storage time was varied from 2 hours to 240 hours for different runs. True boiling Point distillation for 295g of the cavitated crude was carried out after. The results showed that there was a strong correlation between the changes in the density of the stored cavitated crude and the yield of the crude. The yield of lighter distillate/fractions increases with reduction in density of stored cavitated crude and the yield of heavier distillate increases with increase in density of cavitated crude. The increase in the yield of light fractions was attributed to cold cracking of heavier molecules in the crude and the increase in yield of heavier fractions was attributed to the recombination reactions of the radical molecules in the crude. The increase in the overall yield when compared with untreated crude can be achieved by striking a balance between cold cracking and recombination reactions which occurred at 122 hours of storage after cavitation","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123914897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fire Critical Equipment Integrity Dashboard: An Effective Tool for Fire Risk Reduction 火灾关键设备完整性仪表板:降低火灾风险的有效工具
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217250-ms
D. Abia, I. Aina, A. Enigbokan, S. Ajayi, E. Aikhoje
{"title":"Fire Critical Equipment Integrity Dashboard: An Effective Tool for Fire Risk Reduction","authors":"D. Abia, I. Aina, A. Enigbokan, S. Ajayi, E. Aikhoje","doi":"10.2118/217250-ms","DOIUrl":"https://doi.org/10.2118/217250-ms","url":null,"abstract":"\u0000 Have you ever considered what would happen to your organization if a fire outbreak occurs and how operations and business would be affected? Every year, fire is one of the major cause of millions of dollars in asset loses and damages to business operations. This is not only a safety issue but organizations are also expected and legally required to take certain fire prevention measures in order to forestall fire outbreak. Organizations must manage the risk of fires in order to protect the safety of employees and other stakeholders as well as limiting physical damage to assets. It is imperative that every organization has some plan in place to minimize the likelihood and control/mitigate the impact of fires.\u0000 How reliable are the fire critical equipment in a facility? Will the equipment be available on demand, to prevent or mitigate a fire scenario? To give a positive answer to these crucial questions, management usually ensure the establishment of systems for the maintenance and inspection of fire critical equipment, in compliance with relevant standard and regulatory requirements. The challenge, however, is the ability of management to get a quick and accurate glance of how well the system that has been set up, is being implemented and being followed through.\u0000 Preventing and or minimizing the risk of fire is key to successful business operations of any organization.\u0000 This paper will describe the development of a user-friendly fire critical equipment integrity dashboard to readily convey in near-real time, the reliability of equipment critical to fire prevention and effects mitigation by; Identifying fire critical equipmentDefining and incorporating their assurance taskIdentifying responsible persons for the dashboard data entry and reliabilityDevelopment of the dashboard and user-friendly interface","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129605029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Introducing Python Coding to Petroleum Engineering Undergraduates: Excerpts from a Teaching Experience 向石油工程本科生介绍Python编程:教学经验节选
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217148-ms
O. Mosobalaje, O. Orodu
{"title":"Introducing Python Coding to Petroleum Engineering Undergraduates: Excerpts from a Teaching Experience","authors":"O. Mosobalaje, O. Orodu","doi":"10.2118/217148-ms","DOIUrl":"https://doi.org/10.2118/217148-ms","url":null,"abstract":"\u0000 The post-Covid world is witnessing a rise in automation and remote work models. Oilfield operations are becoming increasingly innovation-driven with advances such as digitalization technologies, smart fields and intelligent wells. Proliferation of data is extending career frontiers in data analytics, machine learning and artificial intelligence. Human competence in computer programming is a key enabler of these trends. As a contribution to the Nigerian oil/gas human resources development, the petroleum engineering program at Covenant University recently developed and is implementing a course module on Python programing with oil/gas applications. This paper documents the philosophy, pedagogy, and prospects of this initiative and provides a guide for its implementation across the Nigerian educational space.\u0000 The module opens with a seminar on the emerging oil/gas opportunities in data science – to stimulate students’ interest. Thereafter, a gentle introduction to computer programming is taught. At its core, the module teaches basics of Python programming language – input/output, objects (values, variables, keywords), conditional and repetitive structures, functions, lists, tuples and dictionaries. The module is enriched with applications in reservoir volumetrics, material balance equation, PVT properties, reservoir discretization and simulation. Hands-on experience is enhanced with class demos and take-home programming assignments featuring simple algorithms. Also, the course features a training on the use of distributed version control (GitHub) for collaboration between students and instructors. All course materials are available on an open-access GitHub repository, with hyperlinks embedded in lecture notes. Ultimately, the course assesses students’ skills with exams set in the context of quasi-real-life projects. The future prospects targeted in this initiative includes a follow-up module on petroleum data analytics and machine learning, incorporation of Python coding into other modules, and a short-course for industry professionals.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"240 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123005020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rigless Conductor Piling Using Threaded Tubulars - A Strategy to Sustain Oil Production in Onshore Niger Delta 使用螺纹管的无钻机导体打桩-一种维持尼日尔三角洲陆上石油生产的策略
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217227-ms
O. Mrakpor, C. Adigolo, F. Anorue, E. Udi, K. Oga-Eluwa, G. Ahaneku, W. Campbell
{"title":"Rigless Conductor Piling Using Threaded Tubulars - A Strategy to Sustain Oil Production in Onshore Niger Delta","authors":"O. Mrakpor, C. Adigolo, F. Anorue, E. Udi, K. Oga-Eluwa, G. Ahaneku, W. Campbell","doi":"10.2118/217227-ms","DOIUrl":"https://doi.org/10.2118/217227-ms","url":null,"abstract":"\u0000 Onshore Producing wells in proximity to new cellar slots are required to be shut-in during rigless conductor piling operations using welded conductors. The project objective is to design a novel technology system that can safely makeup and drive threaded conductors without using a drilling rig, thus preventing welding operations (hot works) and production deferment.\u0000 A multi-disciplinary approach of drilling, safety and structural engineering was implemented during the planning phase. System integration test (SIT) was carried out between the drive sub, piling hammer and conductor. Anticollision analysis was carried out to prevent collision issues with producing wells. Conductor pipe specification was defined to withstand piling loads. A two-staged support frame was designed and fabricated for conductor centralization. Conventional tubular running equipment was combined with piling equipment to make-up and drive threaded conductor pipes. Conductor verticality was achieved using two cranes positioned perpendicularly, working in-tandem and personnel coordinated with intrinsically safe radio devices.\u0000 The use of this hybrid technology ensured that three slots were successfully piled without welding operations or shutting-in producing oil wells, saving a total of 21,000 bbls ($1.89m @ $90/bbl). Case studies of previous rigless conventional piling operations using welded conductors were compared with the slots piled using the novel rigless hybrid technology. The new approach is safer and more efficient with utmost benefits in sustaining hydrocarbon production in existing locations with live wells close to the new slots. The most significant new finding is that it was possible to make up and drive threaded conductors safely onshore without using a drilling rig, thereby eliminating welding (hot) works.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131605468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Safeguarding Export Gas Supply with Subsurface Disposal of Produced Water: The MXC Approach to Liquid Handling 采出水地下处理保障出口天然气供应:液体处理的MXC方法
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217156-ms
Uchenna Udobata, Basil Ogbunude, Eelah Muzan, B. Chiroma, Nabage Musa, Sunday Maxwell-Amgbaduba, N. Monday, O. Okereke, Biambo Tamunotonye, Obakhena Femi, Nwachukwu C. Chinedu
{"title":"Safeguarding Export Gas Supply with Subsurface Disposal of Produced Water: The MXC Approach to Liquid Handling","authors":"Uchenna Udobata, Basil Ogbunude, Eelah Muzan, B. Chiroma, Nabage Musa, Sunday Maxwell-Amgbaduba, N. Monday, O. Okereke, Biambo Tamunotonye, Obakhena Femi, Nwachukwu C. Chinedu","doi":"10.2118/217156-ms","DOIUrl":"https://doi.org/10.2118/217156-ms","url":null,"abstract":"\u0000 Unprocessed gas from the gas wells in the nearby fields is routed through the production manifolds to the processing trains in gas plants. The associated liquids from the treatment process accumulate in a stabilization tank, where it undergoes separation by gravity into condensate and water and therefore needs to be evacuated to sustain gas production. The base design strategy for MXC's export gas supply from gas plants A and B relies on two major export pipelines as the primary evacuation routes for the accumulated condensate and water.\u0000 In the absence of these major export pipelines, the condensate can be evacuated by spiking via the gas export pipeline to the LNG plant. However, the only available option to evacuate the produced water was by barging to the export terminal for subsequent disposal into the sea. This option was unsustainable due to logistics, insecurity, and operating costs. Inability to dispose of the produced water would result in water level build-up in the condensate stabilization tank, which impacts the ability to spike condensate, forced reduction in gas production as much as 500MMscf/d or complete gas plant shut down with deferments as high as 1.2 Bscf/d from both gas plants. With the prevailing external context of frequent and prolonged outages of the export pipelines, resulting in gas deferment, and external regulatory requirements to limit evacuation of produced water to the sea, it became imperative to create additional options for liquid evacuation to guarantee the security of export gas supply as well as meet regulatory requirements.\u0000 Produced water disposal into the subsurface was considered a critical and essential strategy for building this robustness. This paper discusses the strategy adopted by MXC to build water disposal capacity in Plant A, comply with regulator stipulations, and sustain gas supply from MXC's gas plants. It highlights the initial trade-offs and challenges in developing and managing the system and the best practices adopted to improve system reliability.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128486314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conceptualizing the Otakikpo Onshore Terminal: The First Indigenous Onshore Terminal Otakikpo陆上码头的概念化:第一个本土陆上码头
Day 3 Wed, August 02, 2023 Pub Date : 2023-07-30 DOI: 10.2118/217131-ms
J. Akinyemi, Tamunotroko kala-otaji
{"title":"Conceptualizing the Otakikpo Onshore Terminal: The First Indigenous Onshore Terminal","authors":"J. Akinyemi, Tamunotroko kala-otaji","doi":"10.2118/217131-ms","DOIUrl":"https://doi.org/10.2118/217131-ms","url":null,"abstract":"\u0000 The Otakikpo field development activities commenced in 2015 with the re-entry and completion operations on Otakipo-02 & 03 wells and the installation of a 10kbpd processing facility. Due to its proximity to the shoreline, an amphibious production and evacuation methodology was implemented. This consists of batch production into onshore tanks, a subsequent evacuation into offshore shuttle tanker via an installed 6\" Km offshore pipeline and final transportation to a 3rd party FSO facility. The first phase of the field development was completed in 2017 and production declined from ~ 6500 bopd to ~ 4000 bopd by 2022.\u0000 Green Energy successfully executed phase 2 of the field development by drilling and completing two new development wells, Otakikpo-04 and -05 wells in 2022 and field production increased to circa 10000 bopd. The production facilities limit the field production to 12,000 bopd while the evacuation infrastructure could only effectively handle about 14,000 bopd. Moreover, the field's evacuation cost is very exorbitant mostly from the cost of hiring marine vessels (2 gunboats, 2 shuttle and 2 tugboats) and paying for CHA charges at 3rd party terminal. At lower production rates, the cost per barrel will be unsustainable.\u0000 It is for this reason that the Operator conceptualized a phase 3 development strategy to develop and install an efficient evacuation/export strategy and thus reducing overall OPEX $/bbl. It also plans to make the Otakikpo field a crude processing and export hub in the Eastern Niger Delta area. To achieve this, the operator plans to construct an onshore terminal and export infrastructure very close to the field. This consists of a scalable onshore terminal with an initial 750,000 barrels of oil storage capacity located within the field with a 360,000-bpd pumping and metering capacity for loading tankers. It also includes a 20\" × 23km offshore export pipeline connecting the terminal to an unmanned single point mooring (SPM) crude offloading system. The terminal is expandable to store circa 2 million barrels of crude with a daily processing capability of 250,000bopd.\u0000 The proposed Otakikpo onshore terminal is conceptualized as a national infrastructure with potential to unlock significant stranded national reserves. It will be the first new onshore terminal in Nigeria in over 50 years, and first to be non-IOC owned and operated. Moreover, the terminal is expected to create significant value for the over 20 stranded marginal fields that are in proximity to terminal which would benefit from access to readily- accessible, cost effective and fit for purpose evacuation infrastructure.\u0000 This paper aims to highlight the justifications for the Otakikpo onshore terminal, lessons learnt during the conceptualization and design stages, status of the project, opportunities for future expansion and its potential role in the energy security of the nation in future.","PeriodicalId":407977,"journal":{"name":"Day 3 Wed, August 02, 2023","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127159890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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