Novel Design and Implementation of Kuwait
- Om Prakash Das (Kuwait Oil Company) | Khalaf Al-Enezi (Kuwait Oil Company) | Muhammad Aslam (Kuwait Oil Company) | Taher El-Gezeeri (Kuwait Oil Company) | Khalid Ziyab (Kuwait Oil Company) | Steven R. Fipke (Halliburton) | Steven Ewens (Halliburton)
- Document ID
- Society of Petroleum Engineers
- SPE Annual Technical Conference and Exhibition, 8-10 October, San Antonio, Texas, USA
- Publication Date
- Document Type
- Conference Paper
- 2012. Society of Petroleum Engineers
- 5.6.8 Well Performance Monitoring, Inflow Performance, 2.2.2 Perforating, 4.5.7 Controls and Umbilicals, 7.6.6 Artificial Intelligence, 2.4.3 Sand/Solids Control, 1.11 Drilling Fluids and Materials, 2.4.5 Gravel pack design & evaluation, 1.14 Casing and Cementing, 2 Well Completion, 1.8 Formation Damage, 1.6 Drilling Operations, 5.8.7 Carbonate Reservoir, 5.2 Reservoir Fluid Dynamics, 5.5 Reservoir Simulation, 4.1.5 Processing Equipment, 5.2 Fluid Characterization, 3.1.2 Electric Submersible Pumps, 2.3.3 Flow Control Equipment, 5.1.2 Faults and Fracture Characterisation, 3.3 Well & Reservoir Surveillance and Monitoring, 5.2.2 Fluid Modeling, Equations of State, 4.1.2 Separation and Treating, 5.6.4 Drillstem/Well Testing, 5.1.5 Geologic Modeling, 3 Production and Well Operations, 2.3 Completion Monitoring Systems/Intelligent Wells, 5.3.2 Multiphase Flow
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Increased hydrocarbon recovery and accelerated production from ultra-high water mobility oil-wet reservoir requires the application of advanced well completion technologies to address premature water breakthrough, reservoir management, production management and extended reservoir contact from a single well location. The Burgan Reservoir of Minagish Field, West Kuwait has active aquifer, very high permeability sands associated with active faults and contain highly viscous reservoir fluid with downhole viscosity of 40cp, enhances water mobility and resulted in premature water breakthrough with increasing water cut trend within few months of production as confirmed from well performance of existing horizontal wells. This has resulted in to non-uniform reservoir depletion, by-passed oil regions and low oil recovery.
The Kuwait's first smart level-4 multilateral well was completed in Burgan reservoir by combining the Level-4 junction along with stacked dual lateral completion having customized viscosity independent Inflow Control Device (ICD), customized two Inflow-Control Valves as well as down hole gauges, wide operating range Electrical Submersible Pump (ESP), suitable wellheads, X-MAS tree and Integrated surface panel for real time data monitoring.
The smart multilateral well has assisted in addressing premature water breakthrough, enhanced dry oil production and facilitated uniform depletion, which results in improved hydrocarbon recovery. The paper covers the customized design of smart Level-4 multilateral well by taking in to account the reservoir and its fluid characterization, well architecture, implementation and specially designed invert emulsion drilling fluid for effective wellbore cleanup to achieve formation virginity. The improved reservoir management and production management results are also mentioned in this paper.
The advance smart multilateral well equipped with Inflow Control Device (ICD) and Inflow Control Valve (ICV) along with downhole gauges is identified as the optimum solution to accelerate oil production rate, maximize reservoir contact from a single well location and achieve adequate pro-active reservoir management as well as production management to maximize oil recovery in high water mobility Burgan reservoir of Minagish field, West Kuwait. The Minagish field located in the West Kuwait (figure 1) is a north-south trending anticline with hydrocarbon contained in six major reservoirs ranging in age from early Jurassic to late Cretaceous and consists of both sandstone and carbonate reservoirs. The Burgan sandstone reservoir is lying at the crest of Minagish Field. The lower part of reservoir consists of massive channel sand and the upper part of reservoir contains vertically stacked thin laminated sand bodies with extensive lateral facies variation (figure 2). The lower part of the Burgan Reservoir has active bottom water drive whereas the upper part of reservoir has edge water drive system. The reservoir contains high permeability sands in order of few Darcy associated with active faults and highly viscous reservoir fluid with viscosity of about 40cp at reservoir condition. In addition the reservoir contains friable sands and requires reliable sand control completions. The Inflow Control Device (ICD) completions with suitable sand screen are selected for sand face completion to combine the advantage of sand control and flow control across sand face.
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