The wood group standard sagd well pad design was developed in response to growing concerns in the thermal heavy oil industry about escalating costs for in situ facilities, especially sagd well pads. The sagd method requires highpressure steam in considerable volumes, and the course explains how the highpressure hp steam supply pipeline system delivers the hp. The success of the delta c watercut monitor in sagd service is due in part to the relative simplicity of its mechanical design. Equinox engineering delivers an innovative approach to modularization for sagd well pad. Meg energy phase2b, naosc statoil hydro phase1 and meg energy phase2, contracts. Sagd, big data help cenovus gain steam hart energy. Our expertise in standardisation and modularisation creates short and longterm cost savings. High resolution geomodeling, ranking and flow simulation. We work with our clients to develop a sustainable design to incorporate all requirements of the reservoir and process conditions, balanced against the requirements of the production strategy, the facility design and operational preferences. Pad c was designed to have up to 10 additional sagd well pairs added in the future.
From the conception of complex deepwater wells connected to various reservoir targets, to the enumeration of pads of onshore unconventional wells, to the design of inflow control devices spaced across a well opened at various times to control steam injection in thermal recovery applications, the petrel platform offers widespread well and. Casing design vertical, slant, horizontal well profiles codecovanoco uses landmarks stress check software to provide accurate valuation of casing wear limits, minimumcost design solutions, comprehensive design summary of minimum burst, collapse, axial and triaxial safety factors for each string with connections. Mar 10, 2017 the sagd method requires highpressure steam in considerable volumes, and the course explains how the highpressure hp steam supply pipeline system delivers the hp steam to the well pads. This, coupled with a focus on continual collaboration and engagement with stakeholders, ensures alignment of best practices to meet objectives throughout all project phases. Sagd well planning sagd steam assisted gravity drainage pad designing is some of the most intricate designs in the directional drilling industry. Steam assisted gravity drainage sagd has been the established method to produce the bitumen and heavy oil. Well planning wellbore designing codecovanoco uses landmarks compass. Mar 23, 2017 steam assisted gravity drainage sagd is an advanced form of steam stimulation, or an enhanced oil recovery technology. Integrated well pad development scheduling with steam. A video showing the sequential placing of prefabricated modules and field erected piping to construct a well pad for the extraction of bitumen from an oil sands field using the steam assisted. In addition, the software also performs a bending analysis of the stack to aid with the stack lifting design. The frontend engineering and design feed study for the current sagd project in alberta was completed in early 2012. Presenters at the solutionspacked congress will examine best practices in key well site areas including equipment selection processes and optimal designs for oilwater separation, water treatment, steam generation and gathering facilities with. Standard sagd well pad design reduces engineering costs and schedules tuesday 27th september 2016 the wood group standard sagd well pad design was developed in response to growing concerns in the thermal heavy oil industry about escalating costs for in situ facilities, especially sagd well pads.
Jul 21, 2017 husky energy reported that its sunrise sagd facility averaged 38,300 bblday gross in the second quarter, an increase of 2,500 bblday from the first quarter. Sagd thermohydraulic well design cfer technologies. Conventional well completion approaches use multiple injection strings in toe and heel configurations to provide multipoint steam injection along the. Home solutions browse by discipline well construction wellcat casing design software proper casing and tubing design is critically important for asset teams working in high pressure and high temperature hpht, deepwater, heavy oil, deep vertical, deviated and extended reach scenarios. Steam assisted gravity drainage sagd requires complex well designs and completion configurations to ensure that steam can be delivered efficiently throughout the reservoir interval. With office locations in casper wyoming and calgary alberta we are able to provide directional well planning throughout the united states, canada and. Eliminate manual well pad planning save time and optimize assets avoid surface issues. The pad models were built with a 100m buffer on all sides of the pad to minimize boundary effects inherent with reservoir simulation. A sagd operation at the cenovus christina lake facility near lac.
The dualstring tubing system is the conventional completion scheme in sagd. Suncor shaves 50 per cent off its sagd wellpad costs by. Reducing the cost and time of operations in an unconventional play. Sagd requires a pair of horizontal wells drilled from a central well pad. Three technologies are key to future sagd success for cenovus. You can evaluate single pads and full field plans using integrated statistics, ensuring you optimize plans and reduce overall drilling costs. Jackfish is devons steamassisted gravity drainage sagd plant located in albertas boreal forest. Equinoxs design philosophy regarding sagd and css well pads is to design one. The sampling system includes a process bypass for sample cylinder switch out, as well as pressure indication and relief valves. The purpose of the sagd well pads section is to produce bitumen from oil sand deposits.
The sagd well pad hosts multiple pairs of injection and producer wells separated horizontally from each other by a small distance. Prefeed conceptual satellite imagery embedded in software using geolocation feature within autocad. As the number of applications of sagd continues to increase in canada, there is an ongoing evolution and implementation of new technologies including those related to new improvements in design, optimization and operation. This is backed by over four years of continuous, maintenancefree service in well pad bitumen emulsions running at temperatures from 180 to 200c. High resolution geomodeling, ranking and flow simulation at. Tridyne has successfully completed numerous projects utilizing water flood, steam injection and acid gas injection techniques. The precise placement of well pairs is one of the mostcrucial factors in the successful execution of a steamassistedgravitydrainage sagd drilling program. Tucker is expected to reach its design capacity of 30,000 bblday by the end of 2018, after a planned maintenance turnaround is completed in q3. An independent study has been conducted by a leading international engineering firm to test this new design concept and assess the cost, schedule and technical feasibility of the innovative design in comparison to a typical prior art sagd well pad. Well pad planning by seisware is an affordable, intuitive software tool that allows you to run multiple what if scenarios. A workflow for optimization of flow control devices in sagd. Steaming has begun on 14 previously drilled well pairs, with first oil expected to be produced by year end. Wellcat casing design software lets engineers model complex hpht conditions and design the most appropriate casing and tubular design, while obtaining both the right well integrity and the best cost configuration.
Its no wonder, then, that last year, even before the bottom fell out of the oil market, suncor executives looking for savings asked for a step change improvement in well pad design, fabrication and construction. Conventional well completion approaches use multiple injection strings in toe and heel configurations to provide multipoint steam injection along the horizontal section of the wellbore. Standard sagd well pad design reduces engineering costs. Equinoxs design philosophy regarding sagd and css well pads is to design one, build many. We have the software and the expertise to offer services such as.
Canadian projects coordinator manager in thailand for sagd well pad projects well pad detail design, work share projects. Sagd requires steam, which is created by burning natural gas, which in turn raises costs and greenhouse gas emissions. Turn your data into action pi system operational intelligence. Different geological reservoir settings and long horizontal wells impose limitations and operational challenges on the implementation of steamassisted gravity drainage sagd. Explain the main factors that determine sagd well positioning, state typical ranges for separation distances between the horizontal runs of injector and producer wells, and between the well pairs, state the purpose of surface and intermediate well casing, state the purpose of the injection and production liners, and, explain why injection and production tubing strings are typically run to both. Mecastack is a 3d stack design software that is used to design steel stacks, steel chimneys, flares, exhaust stacks, etc. The company achieved first oil from a new 15 well pad, with production continuing to ramp up through the first half of this year. Well pad positioning and planning are important aspects of sagd well operations, those decisions impact the available capital for growth and profit generated by the facility. When our oil sands production teams were challenged to come up with reducing costs some outofthebox thinking produced a sleeker well pad design.
In the companys thirdquarter 2016 investor presentation, suncor said that before its new pad design program, facilities accounted for 47 per. Pdf sand screen design and optimization for horizontal. Whether applying an existing design to your sagd well pad development plans, optimising a given design, or developing a new standardised well pad program, we have an impressive track record of client satisfaction. A systematic approach for wellbore drilling and placement. I will discuss well construction, cement design, and zonal isolation relative to our directional, multiwell pad development program on the western slope of colorado. Webbs site designs ltd computer aided design services. Multiwell pad, tight gas, directional drilling program. Several structural controls were used for building the pad models. Jackfish is devons steamassisted gravity drainage sagd plant located in. New well pad design demonstrates cost leadership cenovus energy. The company achieved first oil from a new 15well pad, with production continuing to ramp up through the first half of this year.
Within the scope of a large well pad program, we provide our clientele with. Conceptual layout from plot plan modeled using autocad plant 3d. Steam assisted gravity drainage sagd is an advanced form of steam stimulation, or an enhanced oil recovery technology. The application of this workflow improved numerical stability and the runtime of multipad sagd simulation models. Husky reports rising production and higher operating costs.
The workflow was applied to a geologically complex, highly heterogeneous 24well pair sagd project, located in alberta, canada. Until recently, the precision drilling of sagd well pairs has been dependent on technology developed for other well designs. This ensures our clients have realtime information critical to fasttrack projects. Template design for sagd well pad standardized design methodology 17 single design well head structural support frame for all well head. Mark connacher, director of well pad development with suncor energy, says that twothirds of all capital spending over the life of a sagd project is on well pads and infrastructure.
The initial drilling of a set of steam assisted gravity drainage sagd well pairs producer and injector from a pad for heavy oil development is often accomplished using standard well creation techniques for the initial wells in our case the producers followed by the careful drilling of the parallel wells using advanced ranging techniques to accurately control the separation of the paired. The fully integrated, realtime, twoway em telemetry. In mcmurray formation, steam assisted gravity drainage is used as the primary insitu recovery technique to recover oil sands. A new and practical workflow for large multipad sagd. New generation of rack and pinion rigs for vertical and. Apr 27, 2016 a video showing the sequential placing of prefabricated modules and field erected piping to construct a well pad for the extraction of bitumen from an oil sands field using the steam assisted. A new and practical workflow for large multipad sagd simulation an oilsands case study every simulation engineer wishes to simulate large fullfield models, but historically reservoir simulation of the steamassistedgravitydrainage sagd process has been constrained to singlewell models up to a single pad. The well pads have been located with consideration of operability, capital costs and environmental impacts. Models of these sizes provide valuable information and have. Tridyne has extensive experience providing full epcm services for oil projects and is well versed in conventional, insitu and advanced recovery production practices. Standard sagd well pad design reduces engineering costs and. Webbs site designs is a 3d design and drafting company, providing. Evidence is provided from multiple operators indicating that production later in the well life cycle in a particular well pair may be associated with another well pair, another portion of the pad or adjacent pad, and not necessarily from the immediate vicinity of the well pair.
Steam generators are used to produce steam, which travels through pipelines to the wells. Petroleum experts software was chosen because it is an effective and proven commercial reservoir simulator that considers mass, momentum, and energybalance equations in its predictions over time and because the software handles the nearwell bore dynamics of fcd performance extremely well and has been used for conventional fcd well design. The sagd wellpad hosts multiple pairs of injection and producer wells separated horizontally from each other by a small distance. It is utilizing a major process automation system designed to improve. Short and long term production forecasting eia optimizing well pad layout, design, pad timing and steam utilization managing new sagd well pad and infill well designs, regulatory applications and timingincludes wellhead, completion, and facility designs for purpose. Rampup continues at huskys sunrise sagd facility oil. Spare sample cylinder storage is conveniently located within the sample station.
Don robinson, vp drilling at range resources provides a case study on how a leading operator used multiwell pad drilling to reduce the cost and time of their operations in an unconventional play. Hangingstone sagd project, alberta hydrocarbons technology. Water wells in the area are typically less than 250 deep yet our surface casings are set at well below. December 20 41 process description process description. Greenberry industrial was selected to fabricate, assemble, test, inspect, and prepare for shipment of 23 modules sized 10x10x40. Our proprietary software system provides cost reports at the push of a button. The water required to generate the steam for sagd operations is sourced from local subsurface aquifers. Competition tight to get sagd well pads right as producers target. Ausenco specialises in designing well pads for most major oil sands. Mar, 2020 an innovative approach for sagd well pad projects. The delta c sagd sample station a fixed volume automated sampling system is designed to allow sampling of a continuous representative fluid stream. Well pads course, you will learn how high pressure steam is used to recover heavy bitumen to the surface, how lift.
Mecastack can be used to analyze self supported stacks free standing and guyed stacks guy wire supported. Compared with our previous versions, the new well pad design starts with. Steel stack design mecastack software meca enterprises inc. The steam eventually heats the heavy oil to a temperature that reduces its viscosity, allowing it to flow by gravity to a bottom well. The work comprised the fabrication and installation of the 3 new test packages, 3 new well. The leismer facility has over 5 years of highresolution well production and sensor data stored in osisofts pi server. Wellpad positioning and planning are important aspects of sagd well operations, those decisions impact the available capital for growth and profit generated by the facility. The phase 1 sustaining well pads project consists of horizontal well pairs one steam injector and one producer and the related well pad facilities, infield steam and emulsion pipelines and tieins to the sunrise central processing facility. Analyzed the readiness of a sagd well pad development project to proceed from the business case development stage fel2 to development of project cost and schedule estimates in preparation for. A plan view of a typical nine well pair sagd pad is presented on figure 1. Design, optimization and operation of sagd wells using.
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