The dryness of superheated steam is 100% and it exists in the form of pure steam whose properties are like ideal gas. In general, however, optimum steam conditions depend on reservoir type and operating mode e. In module 111, you learned that flood routing is the process of determining the timing and shape of a flood wave. The overall objective of reservoir management and development planning for the duri field is to maximize project value. Steam injection is the most common method used in thermal eor. Reservoir heterogeneity impact to steam flood, duri field, central sumatra. Flood control operation of reservoirs can play a major role in alleviating flood losses. Water flooding management training course in dubai. Its effectiveness depends on the level of preparedness and correct response.
The heat also distills light components of the crude oil, which condense in the oil bank ahead of the steam front, further reducing the oil viscosity. Steamflood reservoir management thermal enhanced oil recovery. Seismic monitoring of steamfloods in heavy oil reservoirs. For a better steam flood performance, the conversion should be made before the end of the third cycle.
The current management plan bolsters the inward pressure gradient allowing fluids to be more efficiently produced and ensuring they remain in the bounds of the oil field. At the time of publication, the operator was faced with an apparent opportunity for another heat management study and adjustment to the process. Greentree reservoir management by brent ortego, carl frentress, hayden haucke and julie hogan rose biologiststexas parks and wildlife dept. Steam flooding is the most popular eor method used outside of the usa. The pressure near producers should be lower than that at the corresponding injectors so that a pressure gradient can be established. As measured on observation and production wells the steam field did not follow the expected path as described by modeling but seems to be either stopped by a fault or to follow yet another, more complex path that would be. He has authored over 50 technical papers in the areas of chemical and petroleum engineering and holds 9 u. Abstract streamlines provide snapshots of flow patterns in the field, which simulation engineers can use to shorten the history match cycle when validating reservoir models. Understanding the subsurface risks for a drilling program in an active steam flood project can be done with a variety of static and dynamic information. Reservoir surveillance case study for a steam flood. A method of thermal recovery in which steam generated at surface is injected into the reservoir through specially distributed injection wells.
When steam enters the reservoir, it heats up the crude oil and reduces its viscosity. C steamflood reservoir management, pennwell books, tulsa, 1994. Steam stimulation results have been given glamorous coverage. An integrated workflow approach to manage steamflood. Steam production company ltd e l deeper steamfloods imply higher temperatures emperature. The extreme thickness of the heavy oil reservoir is unique for steam floods and poses both opportunities as challenges. A steam flood project typically proceeds through four phases of development. He continues to teach a continuing education course based on the subject book.
Polymer flood 5 32% gel treatment 3 30% gel treatment w polymer flood 11 38%. Apply and gain an indepth knowledge on water injection technology and determine the water flooding process from a to z as a major method of enhanced oil recovery eor. Specifically, reservoir surveillance using timelapse seismic to capture steam front images has dramatically improved reservoir heat management. Conference paper pdf available may 2018 with 256 reads. Managing reservoir surveillance in the duri steam flood field. The previous work is limited to an updip section of the field near the kern river.
Development planning and reservoir management in the duri. Other methods include insitu combustion, where the reservoir is heated and an injected highoxygen gas mixture burns to create a combustion front. A greentree reservoir gtr hereafter is a forested lowland that is temporarily flooded during fall and winter to attract ducks, mainly mallards and wood ducks it. It is used to determine the most beneficial way to develop a new field or to bring new life to a mature field with, for example, an enhanced oil recovery measure such as steamflooding. Superiority of superheated steam flooding in development of. The heating radius of superheated steam in the formation is 510m. When hightemperature steam is injected into heavy oil reservoirs, the bulk. The challenges of cyclic steam stimulation css to enhanced. The duri field is a heavy oil miocene sandstone reservoir between 350 and 750 ft.
The reservoir pressure should be reduced to a reasonably low value before converting to steam flood to have a high steam specific volume. As the steam loses heat to the formation, it condenses into hot water, which, coupled with the continuous supply of steam behind it, provides the drive to move the oil to production wells farouq ali, 1974. For most situations, published ruleofthumb steam conditions are not. Pdf simulation on heavy oil production from steamflooding. Purchase of an open document does not constitute license for republication in any form, nor does it allow web posting without prior written permission. At late times, good reservoir management and shear. Reservoir management has now matured to the point where great emphasis isplaced on working as a crossfunctional team, involving all technical areas, management, economics, legal, and environmental groups. For that reason a range of numerical tools has been developed. Reservoir surveillance is a key component in subsurface heat management and horizontal well development of duri field steam flood. The reservoir appears to be a layered one with pay zones varying in fluid and rock property. However, it is easiest to use in shallow heavy oil reservoirs reservoir pressure. A powerful method to add value to companies assets.
Most of the developed reservoir management techniques fail to address the specificities of flood control. Voiceover steamflooding is a process used by chevron to increase recovery from heavy oil reservoirs. In a channel, the flood wave is observed at successive points along a river. Updated screening criteria for steam flooding based on oil field projects data by mariwan qadir hama a thesis presented to the faculty of the graduate school of the. There are different types of floodplains and they are based on they type of flooding that forms them. However, it is easiest to use in shallow heavy oil reservoirs pdf. Introduction during sharply declining oil price environments,1 operators are 1 as in 1998, 2001, 2009, and 2016. This course will develop your understanding of the fundamentals of heavy oils, thermal enhanced oil recovery methods and the mechanisms of steam injection in heavy oil recovery processes. Hazairin, any linawati, adi widyantoro, muhammad diri, rudi arief, triatmodjo setiabudi. Riverine flooding coastal flooding shallow flooding floods and floodplain management 15.
This type ofreservoir management model has proved to be quite successful. Reservoir 7am readings 5may2020 6may2020 7may2020 8may2020 9may2020 10may2020 allegheny pool elev 29. Steam flooding is applied to heavy and extraheavy oil reservoirs, but it may be used in. By the end of this training course, participants will learn to. The oil is produced using a set of two horizontal producing wells. The duri steam flood dsf project has 12 development areas to be processed from now until the year 2021. The entire flood zone is at steam temperature upstream of the steam front, and the reservoir downstream of the steam front is at initial reservoir temperature. Training and capacity building program dam safety and. Army corps of engineers usace is the largest reservoir management agency charged primarily with flood control and.
Reservoir management in the duri steamflood onepetro. Introduction recovery of heavy oil oil with an api gravity reservoir to raise the temperature of the oil and reduce its viscosity. C 0 100 200 300 400 reservoir depth, feet 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 superheated steam at 2,500 kjkg 100. Steam or hot water injection and insitu combustion are the popular thermal recovery methods.
Steam flooding is applicable in reservoirs with high api gravity oils. When the steam has a large degree of superheat, it may take a relatively long time to cool, during which time the steam is releasing very little energy and transmitted long distances. Pacific rim drilling understanding pressure is key to. Reservoir management process most of the people know the management reservoir as a synonym with reservoir engineering that in the early 1970 reservoir engineering was proposed as a most important technical aspect of reservoir management dvyrty, g. Reservoirs and flooding page 3 prepare a flood plan and flood map, including emergency responses and measures to reduce the effects of flooding by water escaping from the reservoir ensure arrangements are in place to enable emergency services to respond effectively to any uncontrolled release of water from the reservoir. Flood control is commonly dealt with as a constraint to a main conservation objective. They can also help engineers develop injection strategies and improve the s. Management of the flood will consist of balancing injection and production to promote. Therefore the responsible authorities should provide timely and reliable flood warning, flood. Updated screening criteria for steam flooding based on oil. However, with the high viscosity of heavy oil, steamflooding sf is one of the major. Study area the arda river, originated from bulgaria, is a tributary of evros that enriver ters the greek territory and flows through the prefecture of evros from west to east. Performance prediction is essential to provide information for proper execution of each of these development phases. Proceedings of the international conference on industrial engineering and operations management bandung, indonesia, march 68, 2018.
Key elements of duris reservoir management practices include. The role of steam is to heat oil throughout the reservoir to make it mobile. Therefore, measures should be taken to stop or reduce breakthrough in the soak period. Well surveillance engineering, kuwait oil company, kuwait city, kuwait. Dam safety and reservoir management demand for water is steadily increasing throughout the world and conflicting interests generate a complex and delicate field of work. Geoscience and petroleum engineering, baker hughes, inc, abu dhabi, united arab emirates. Reservoir surveillance case study for a steam flood project in kuwait. Cyclic steam stimulation an overview sciencedirect topics. The main objective of this study was to show the good reservoir management used to improve the oil production from fne oil field, the performance of cyclic steam stimulation and steam flood in a sudanese oil reservoir will be illustrated.
Alkaline flood light oil recovery cyclic steam stimulation. As measured on observation and production wells the. In steamflooding, steam is inject ed near the base of a heavy oil reservoir through an injection well. Most floods fall into one of three major categories.
In a reservoir, this is done by accounting for the storage available in the reservoir. Reservoir management is used throughout the life cycle of crude oil and natural gas fields. Steam rate was redirected in new injectors, and some producing wells were recompleted. Steam flood monitoring a pilot steam flood seismic monitoring project was recorded between 1992 and 1995 on the duri field in sumatra by caltex. The reservoir pressure and temperature are given to be 527 psig and 44 c. Flood routing simulation and management in hydrologic. Flood control management system for reservoirs, an important nonstructural measure, will benefit to make full use of the flood control capacity of the existing. Introduction artificial gas storage reservoir management. There are no direct analogues and the normal practices of managing a steam flood need to be verified and adjusted. Hong has done much to advance enhanced oil recovery using steam, reservoir management, and compositional thermal simulation.
The jeff jones steamflood model incorporates oil displacement by steam as. Duri field, the largest steam flood in the world, is recognized for its cuttingedge technology applications. If steam breakthrough occurred in the soak period, it would become more severe during the flood period. Css followed by steam flood to have optimum recovery from this resource. Pdf flood control management system for reservoirs as. Using streamline and reservoir simulation to improve water. Best practices on flood prevention, protection and mitigation 3 flood forecasting and warning is a prerequisite for successful mitigation of flood damage. Pdf spe182190ms optimization of steamflooding heavy oil. Duri field, the largest steamflood in the world, is recognized for its cuttingedge technology applications. Reservoirs and flooding northamptonshire flood toolkit.
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