Development and assessment of an inflow control device and a bell-mouth for a low-speed aeroacoustic fan rig

Abstract This Extended Reach Drilling (ERD) field re-development of a giant offshore field in the United Arab Emirates (UAE) requires in most cases extremely long laterals to reach the defined reservoir targets. However, certain areas of the field show permeability and / or pressure variations along the horizontal laterals. This heterogeneity requires an inflow control device (ICD) lower completion liner to deliver the required well performance that will adequately produce and sweep the reservoir. The ICD lower completion along with the extremely long laterals means significant time is spent switching the well from reservoir drilling fluid (RDF) non-aqueous fluid (NAF) to an aqueous completion brine. To reduce the amount of rig time spent on the displacement portion of the completion phase, an innovative technology was developed to enable the ICDs to be run in hole in a closed position and enable circulating through the end of the liner. The technology uses a dissolvable material, which is installed in the ICD to temporarily plug it. The dissolvable material is inert to the RDF NAF while the ICDs are run into hole, and then dissolves in brine after the well is displaced from RDF NAF to completion brine, changing the ICDs from closed to an open position. The ability to circulate through the end of the liner, with the support of the plugged ICDs, when the lower completion is deployed and at total depth (TD), enables switching the well from RDF NAF drilling fluid to an aqueous completion brine without the associated rig time of the original displacement method. The technique eliminates the use of a dedicated inner displacement string and allows for the displacement to be performed with the liner running string, saving 4-5 days per well. An added bonus is that the unique design allowed for this feature to be retrofitted to existing standard ICDs providing improved inventory control. In this paper the authors will demonstrate the technology and system developed to perform this operation, as well as the qualification testing, field installations, and lessons learned that were required to take this solution from concept to successful performance improvement initiative.

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СИСТЕМА УПРАВЛЕНИЯ УСТРОЙСТВОМ КОНТРОЛЯ ПРИТОКА ФЛЮИДА В СКВАЖИНЕ

Izvestiya Tomskogo Politekhnicheskogo Universiteta Inziniring Georesursov ◽

10.18799/24131830/2019/11/2366 ◽

2019 ◽

Vol 330 (11) ◽

pp. 192-198

Author(s):

Рустэм Адипович Исмаков ◽

Екатерина Всеволодовна Денисова ◽

Марина Алексеевна Черникова ◽

Сергей Павлович Сидоров

Keyword(s):

Control Valve ◽

Control Device ◽

Inflow Control Device

Актуальность исследования состоит в том, что решением преждевременного прорыва воды или газа в горизонтальной скважине из-за неоднородности профилей притока вдоль оси горизонтального ствола, является изменение пластового давления на различных участках, а также при разработке контактных месторождений, особенно по мере истощения залежи, могут служить устройства контроля притока флюида. Различают активные Interval Control Valve (ICV) или пассивные Inflow Control Device (ICD) устройства. Устройства ICD способны выровнять приток вдоль горизонтальной скважины за счет создания дополнительного сопротивления потоку жидкости, зависящего от величины притока на данном горизонтальном участке. Недостаток современных ICD в том, что они не имеют возможности регулирования и приведения пассивных устройств в действие после установки в стволе скважины. В связи с тем, что имеются риски связанные с неопределенностью в описании свойств пласта, которые присутствуют на всех стадиях разработки месторождения недостаток ICD оказывается существенным. Системы ICV приводятся в действие дистанционно с поверхности скважины, но не способны определять характер поступающего флюида (нефть, газ, вода) в скважину и принимать решение в автоматическом режиме. Цель: разработка новой конструктивной схемы устройства контроля притоком с возможностью непрерывного мониторинга характера поступающей жидкости, и программного обеспечения для управления клапаном с устья скважины. Объекты: горизонтальная скважина и устройство контроля притоком флюида. Методы: имитационное моделирование Simulink, нейронные сети, матричные методы, методы линеаризации нелинейных уравнений. Результаты. Предложена новая конструктивная схема устройства контроля притока в горизонтальной скважине, позволяющая непрерывно оценивать характер поступающего флюида. Данная конструкция позволяет в автоматическом режиме регулировать положение исполнительного механизма по данным измерительных приборов. Дано математическое описание работы клапана. Разработана модель клапана в среде моделирования Simulink, с использованием матричного подхода и нейронных сетей, для построения качественной зависимости положения клапана от значения создаваемого перепада давления. Приведены результаты работы блока нейронной сети и конечный результат моделирования.

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Integrated Off-Bottom Cemented Inflow Control Device System Design Toward Well Delivery Optimization

10.2118/183383-ms ◽

2016 ◽

Author(s):

Mohammed A. Al Madan ◽

Mazen Bu Khamseen ◽

Hedy Suherdiana ◽

Ahmad Al Abdulmohsen

Keyword(s):

System Design ◽

Control Device ◽

Inflow Control Device

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Well Production Enhancement Results with Inflow Control Device (ICD) Completions in Horizontal Wells in Ecuador

10.2118/143431-ms ◽

2011 ◽

Cited By ~ 6

Author(s):

Ivan Vela ◽

Lumay A. Viloria-gomez ◽

Ricardo Caicedo ◽

Francisco Porturas

Keyword(s):

Horizontal Wells ◽

Control Device ◽

Well Production ◽

Inflow Control Device

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Novel Active Inflow Control Technology for Optimized Flow and Reduced Intervention

SPE Drilling & Completion ◽

10.2118/206343-pa ◽

2021 ◽

pp. 1-12

Author(s):

Ashutosh Dikshit ◽

Vivek Agnihotri ◽

Mike Plooy ◽

Amrendra Kumar ◽

Seymur Gurbanov ◽

...

Keyword(s):

Flow Control ◽

Computer Aided Design ◽

Process Development ◽

Horizontal Wells ◽

Field Trials ◽

Control Device ◽

Computational Fluid Dynamics Cfd ◽

Inflow Control Device ◽

Aided Design ◽

Subsequent Intervention

Summary Integrating a flow control sliding sleeve into a sand screen can provide multiple advantages to the user in controlling the production inflow, but it comes with an increased completion cost as well as an increase in the number of interventions required when it is time to operate those valves. Especially in long horizontal wells, this can become time-consuming and inefficient. A few technologies exist to address this issue, but they either are too complex or require specialized rigging equipment at the wellsite, which is not desirable. As described herein, a unique, fit-for-application modular sliding sleeve sand screen assembly with dissolvable plugs was developed that eliminates the need for washpipe during run-in-hole (RIH) and allows flow control from several screens by means of a single sliding sleeve door (SSD), thereby also optimizing the subsequent intervention operations by reducing the number of SSDs in the well. The design and field installation of these modular screens is presented in this paper. The new modular sand screen consisted of an upper joint, modular middle joint, modular middle joint with an inflow control device (ICD) integrated into an SSD (with optional dissolvable plugs), a lower joint, and novel field-installable flow couplings between them. The design allows for any number of non-ICD/SSD screen joints to be connected to any number of ICD/SSD joints in any order. A computer-aided design was followed to achieve all the operational and mechanical requirements. Computational fluid dynamics (CFD) was used to optimize the flow performance characteristics. Prototypes were manufactured and tested before conducting successful field trials. The design process, development, and field installation results are presented herein.

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