Completion and artificial lift strategies for the life of the well. A typical smart well is equipped with a special completion that has packers or sealing elements which allow partitioning of the wellbore, pressure and temperature sensors and downhole inflow control valves icv. Ewt extended well test intelligent well completion. Collaboration with customers and business partners drives our technology focus, paving the way for breakthroughs in material science, allelectric completions, reservoir insight, and digitalization. The intelligent completion was installed in the saih rawl well in july 2002 and produced shortly thereafter. An intelligent well approach to controlling water coning. Intelligent well completion system, use a systems approach to optimize oil and gas production in a well. The future of intelligent completions intelligent completion technology medium term goals have been summarised as follows 2.
This project aims to model the application of intelligent well completion iwc technology using the schlumberger eclipse simulator. Prevent routine intervention for reservoir management purposes. Once the functionality of the intelligent well completion has been identified and economically evaluated and the corresponding intelligent well equipment has been screened for practical application sizes, pressure, and temperature limitations, for example, the process of detailed completion design and system integration can begin. The same was done under varying reservoir conditions for sensitivity analysis purposes. Completion and artificial lift strategies for the life of. This principally involves preparing the bottom of the hole to the required specifications, running in the production tubing and its associated down hole tools as well as perforating and stimulating as required. Intelligent well completion, oil recovery, optimization, inflow. Intelligent well completions and integration with other systems can be complex, and the operator must provide the time and expedite the supplier interfaces to ensure troublefree implementation and operation. Finally, california has elected four governors in the last 6 months. Improving well completion system reliability using. Intelligent well completion system frontenderfrontender. Decision to abandon is made when the well is not capable to produce oil or gas in commercial quantities. Fundamentals of petroleum engineering well completion. Hawc is superiors intelligent well completion package, consisting of a passthrough production packer and independently operated hydraulic control sleeves.
Intelligent completions migrating to shallow water, lower cost wells. Data is transmitted to surface for local or remote monitoring in your digital well platform. However, reservoir uncertainties and limited data can make it. Completions providing a well with realtime, zonal production control and monitoring intelligent well technology began in 1994. The use of intelligent completions in combination with rigless cleanup and testing for the ewt wells resulted in rig time savings of approximately 25 30 days per well compared to tullows benchmark timing for completion and testing of previous appraisal wells in the turkana basin. Intelligent well completion superior energy services. Whether you are planning a few simple multizone wells or a field of complex multilaterals, you can rely on schlumberger expertise for preconfigured intelligent completion systems that deliver maximum performance for. Intelligent well technology is an oil and gas well optimization completion technology integrated with under ground realtime monitoring, data analysis. Intelligent completions incorporate permanent downhole sensors and surfacecontrolled downhole flow control valves, enabling you to monitor, evaluate, and actively manage production or injection in real time without any well interventions. Apr, 2016 42016 3 definition definition an intelligent well is a permanent system capable of collecting, transmitting, and analyzing wellbore production and reservoir and completion integrity data, and enabling remote action to better control reservoir, well, and production processes. Smart or intelligent well technology is one of the up and coming technologies that have been developed to assist improvements in field development outcome.
Intelligent well completion, oil recovery, optimization, inflow control devices. Using the larger completion and casing allows for the use of wider intelligent well completion equipment, which benefits highproductivity wells that are also likely to incur future scale buildup. Application of intelligent well completion for controlled dumpflood in. A typical smart well is equipped with a special completion that has packers or sealing elements which allow partitioning of the wellbore, pressure and temperature sensors and. As such, intelligent well completions are a powerful complementary technology to the evolving.
Failure to do so at the appropriate level can erode the value that intelligent. Wireless intelligent completion technology has the potential to change the way in which reservoirs are managed, linking highly segmented and complex wellbore systems into the digital oil. Leverage systems giving multiple horizon or reservoir penetrations per well. An intelligent well completion is a system equipped with sensors and special valves installed on the production tubing, which provides the operator with continuous monitoring and adjustment of. One of most famous challenges is trying to prevent early water or gas breakthrough, especially in the heel section of a horizontal. The system has numerous applications in deepwater, multizone, highangle completions, and production field management. Ewt extended well test intelligent well completion design. Fundamentals of petroleum engineering well completion and. The advance and adoption of wireless intelligent completions. Intelligent completion systems monitoring and control. Whether you are planning a few simple multizone wells or a field of complex multilaterals, you can rely on schlumberger expertise for preconfigured intelligent completion systems that deliver maximum performance for specific economic and technical conditions.
Smart well technology, also known as intelligent well completions iwc, is one of. Effective workflow for optimization of intelligent well. For an intelligent well to prove viable for mitigating water coning problems, it must readily provide the means to greatly reduce water production to yield. An intelligent well completion is a system capable of collecting, transmitting and analysing completion, production, and reservoir data, and taking action to better control well and production processes. Intelligent completion ic is the term used to encompass the use. Intelligent well completion superior energy completion. After careful interpretation and consideration on well test data coring, logging etc, a decision is made whether to set production casing and complete the well or to plug and abandon it. Well completion is the process of making a well ready for production or injection after drilling operations. Intelligent well completion technology enables the oil and gas operator to actively monitor and selectively modify the zones from which hydrocarbons are produced, while onstream and without intervention. The latest intelligent fields include intelligent well completions capable of collecting downhole data, which allow the operator to selectively.
Mar 19, 2015 intelligent well completion system, use a systems approach to optimize oil and gas production in a well. Sand control completions aimed at limiting production of solids unconventional completions enable efficient, multistage fracturing treatments and minimize time until production begins intelligent completions allow active control of completion subsystems via electric or hydraulic control limit need to reenter well. Worlds first level 6 intelligent completion drilled. Application of simulated annealing optimization algorithm to. The inset shows a crosssection of the junction before and after expansion. Use of smart controls in intelligent well completion to optimize oil. Intelligent well technology maximizes recovery, reduces.
The methodology predicts the life cycle intervention cost for a particular system based on the reliability and the repair requirements for individual completion components including. So the intelligent completion methods of production well can destine towards a logical and effective stability. An intelligent well completion is a system equipped with sensors and special valves installed on the production tubing, which provides the. Intelligent wells iw are believed to be the most important among a series of technological breakthrough aimed towards adding reserves.
Report intelligent well completions please fill this form, we will try to. Intelligent completion applications to multilateral and pilot well case study 3. Usually, geologic models generated with sparse data, such as well log, core and seismic data, are used to make decisions about deploying a ncw. Description download intelligent well completions comments. With intelligent well completion, wells can achieve maximum commingled rate, prevent. Among the various challenges encountered in producing oil rim reservoirs, water and. Intelligent well completions employ localized pressure restrictions icvs to balance the production profile along the length of the well completion by splitting it.
Intelligent well technology should effectively control downhole flow behavior driven by all these heterogeneities. Roxar intelligent muiltistage flyer 19 eng dd emerson. Spe 112243 application of intelligent well completion for. To this end, main dynamic flow zones in each intelligent well should be correctly identified and controlled by icvs. Several production tests were conducted by opening and closing each of the four laterals individually and in combination, to. Leaders in intelligent well completion technology halliburton smartwell completion systems allow you to collect, transmit, and analyze completion, production, and reservoir data while also controlling and monitoring selected reservoir zones remotely and in realtime. Intelligent well technology maximizes recovery, reduces costs. Intelligent completion systems hydraulic actuated well completion system hawc consistent and reliable performance in challenging downhole environments. Intelligent well completion iwc knowledge proficiency. Intelligent well completions ready to achieve its potential. Intelligent well completions employ localized pressure restrictions icvs to balance the production profile along the length of the well completion by splitting it into two or more sections. Faced with the specter of maintenance costs and production delays large enough to upend well economics, the industry sought completion strategies that would minimize well interventions. However, reservoir uncertainties and limited data can make it difficult to predict the number of zones to be drilled. Review of intelligent well technology sciencedirect.
Decision to abandon is made when the well is not capable to. Intelligent well completion is an integrated package featuring complex design and including control tools, inflow or conformance control devices in dual completion dual injection systems, downhole monitoring systems in various zones and sidetracks, as well as control and emergency shutin systems. Implementation of intelligent completions has to consider other aspects such as the economic impact of excessive water or gas production. Horizontal and multilateral completions conventional single zone completion open hole completion this is the simplest of all completion types, where casing is run and cemented just above the producing zone.
This includes unconventional shale completions, offshore well intervention, critical well intervention, snubbing operations and fishing operations. The conventional method of drilling followed by well completion is replaced by various intelligent ways, which effectively support the production. With intelligent well completion, wells can achieve maximum commingled rate, prevent unwanted effluent and premature breakthrough, obtain a better injection efficiency, can intercept reservoirs that contain an active gas cap, reduce water. Application of simulated annealing optimization algorithm to optimal. An intelligent well is a permanent system capable of collecting, transmitting, and analyzing wellbore production and reservoir and completion integrity data, and enabling remote action to better control reservoir, well, and production processes. Intelligent wells can improve reservoir performance. The possible reservoir environments in which smart well technology could be used and also, the possible. The intelligent well system has been integrated with the electric submersible pump installation by providing a hydraulic disconnect, allowing replacement of the electric submersible pump in the upper completion section without affecting the lower intelligent well section. This video series reflect solely the opinions of richard lau and laura lau and are not p.
An oil rim reservoir is a saturated reservoir with an oil column of limited thickness, less than 90 feet, overlain by a gas cap and underlain by an aquifer. Simplify intelligent completion designwith flexibility. Intelligent completions migrating to shallow water, lower. Buy cialis online, online viagra sales halliburtonblog. The intelligent well completion operation was conducted as follows. Monitoring flow pressure in real time means wells can be operated at optimum rate, above bubblepoint pressure, to maintain gas pressure and ensure optimum oil. Completion and artificial lift strategies for the life of the. Central to those efforts was refinement of downhole monitoring and control systems, which were standardized and packaged as intelligent completions ics. This video series is the sole property of richard lau and laura lau. Intelligent wellhead systems iws is a privately owned oil and gas technology and service company that provides proprietary and unique surface control systems for various applications globally. The application and value of intelligent completions has been well documented since its. Application of simulated annealing optimization algorithm. The value of the intelligent well technologies comes from their capability to actively modify. If the new well does in fact come in contact with a natural gas reservoir, the well is developed to allow for the extraction of the natural gas and is termed a development well or productive well.
Horizontal and multilateral completions conventional single zone completion open hole completion this is the simplest of all completion types, where casing is run and cemented just above the produc. Pdf intelligent well completions free download pdf. Intelligent well technology is an oil and gas well optimization completion technology integrated with underground realtime monitoring, data analysis. Intelligent well systems advance toward maturity international. Smart completions, smart wells and spe distinguished lecture 20072008 now smart fields. Top tier operators are leveraging the efficiency, safety and data benefits around the world offshore, subsea and on. As the offshore industry moves into deeper water and more expensive wells, with the potential reward of larger reservoirs and higher flow rates, completion technology becomes more important in efforts to reduce costs over the life of a well. However, once the well is deployed, the challenge is then to optimize its production with the available geological, well and acquired production data. Zonal isolation completion there are many challenges when completing a new drilled well, especially in unconventional reservoirs. Completion design project completion components completion philosophy.
Field development with horizontal gas injectors work session 2. Multilateral, intelligent well completion benefits. Review of intelligent well technology science china. The intelligent multistage completion network, an emersonmetrol partnership. Multilateral, intelligent well completion benefits explored. Stan cullick, in intelligent digital oil and gas fields, 2018. The definition of an intelligent well is a permanent system capable of collecting, transmitting, and analyzing wellbore production and reservoir and completion. At this point, with the well drilled and hydrocarbons present, the well may be completed to facilitate its production of natural gas. Considering the type of the well and related geological, petrophysical, well test and core data, a. Selfoptimise and automate wells and process facilities. This interactive training course is intended for engineers, supervisors and technical staff involved in completion design, installation and operation who already have an understanding of well construction methods and completion design but would benefit from the understanding of processes, hardware and methodologies which make up intelligent completions smart wells for application within an. While this methodology has application for all completions, this paper will limit itself to the discussion of intelligent well technology in deepwater completions.
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