Even though that CDMA 2000 wireless networks is being widely deployed as a cellular digital standard around the world, it has some hidden vulnerabilities when concerned with the security issues. The main focus of this paper is to propose MANAGE1 as a design of a new stream cipher system to be used for data encryption in CDMA wireless networks. This new cipher system is intended to replace the offered data encryption algorithm in CDMA networks known as ORYX. The proposed cipher system is being assessed from different aspects. The first aspect addresses the period and linear complexity profiles of the generated keystream. The second is the statistical properties of the keystream, which are being tested using the standard statistical tests. It is shown that MANAGE1 cipher system improves the practical security over the ORYX, thus ensuring that data security in CDMA networks becomes more reliable to suit the high demand of secure data transmissions in the next generation of wireless communications.

In this research an integrated reservoir study was performed on one of the successful water flood projects in Bapetco; The NE-Abu Gharadig-1 field which passes through a several phases of development started with appraisal and delineation, initial development (fast track), re-development phase and last phase of reservoir simulation. The conducted field re-development activities increase the EOR expectations and tackle the remaining reservoir potential. Until the moment 58 wells were drilled in this field 29 oil producer, 26 water injector and 3 water source wells. Different accumulations and segments were interpreted; these segments did not indicate full communication as the thinly bedded Bahariya sequence of 200 meter thickness shows a wide range of reservoir properties and heterogeneity including porosity, permeability and hydrocarbon saturation. Geo-cellar modeling approach was beneficial in this field in order to link the static and dynamic data until reaching a certain level of match and harmony. Twelve productive zones were interrelated through an attempt to construct structural and stratigraphic facies distribution framework guided by cores and BHI. The 3D geo-cellar modeling was applied to the probable cases and prospective blocks. Petrel data analysis tool was activated in order to control the probability distribution in property modeling. Further reservoir simulator was used to incorporate the engineering data as pressure and production; therefore optimal development strategies are aligned with the findings and forecasts of each reservoir sector. The results indicate a massive variation in vertical and lateral OIIP distribution and URF which is ranging from 16 % to 40 % on the best chances; this variance controlled by the reservoir architecture, compartmentalization, reservoir rock types, relative permeability curves, minor faults and fractures associated with different stress regimes. The WF pattern fitting and placement were optimized to overcome the geological constrains by additional two phases of infill wells. The results provides a robust reserves stair case through a multi-phases of development and modeling to increase the field production life, improve pattern flood, optimize enhanced recovery and smooth operation.

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Meeting 2040 KPC Strategic plan objectives and KOC production targets will require adoption of new cost-effective technologies and methods in Kuwait fields, resulting in incremental oil production and extended life of the fields. Long-term oil production through artificial lift application can lead to pressure depletion and water cut incremental in mature fields, which can cause obvious wellbore impairments, particularly in medium to week formations such as Wara and Upper Burgan formations. One of the critical parameters that will have great influence on maturing this strategy is sand management-field development. Recently some of high producing wells perforated in Wara sandstone Formation in the Greater Burgan field in Kuwait have been plugged due to sand production issues. Understanding the causes of this critical challenge will definitely help KOC in finding the optimum sand management work flow and select the right sand control technologies to maximize the oil production in Wara formation. Several sand characterization tests were conducted on core plugs and produced samples collected downhole, ESP wellbore data was linked with well logs analysis and production data for understanding the sand production phenomena within the intervals and help establish a sand collapse model. Based on the lab work, modeling and ESP real time data, a screening benchmark was developed for sand management and control for Wara formation. The unique customized screening criteria will support South East Kuwait (SEK) field development to identify/avoid the potential sanding intervals and sustain oil production at safe drawdown pressure, which definitely will prevent ESP failures and extend the ESP lifetime. The risk assessment for potential sanding intervals has been established to predict sand production in most new Wara wells. Some Wara wells targeting shallower or weaker sands would normally be sand control candidates, by taking into account the completion design, optimizing surface sand management workflow, managing safe drawdown and BHFP levels, and taking advantage of favorable stress vectors through oriented perforation can encompass the sand free well operating envelopes over life of well production and depletion conditions.