The vision of each company in the current oil and gas industry scenario is to utilize the existing field investment to increase oil production at minimum cost. Installing sucker rod pumping unit on a dual string well was a big challenge to achieve, especially when the other string was producing naturally. The manuscript focuses on the challenges accompanied with the identification of well needs, designing phase, planning phase and execution phase. Meetings have been held with both field development and well surveillance engineers to discuss the challenges to be faced to install a sucker rod pumping unit. The challenges were to occupy a turn in the rig schedule that have been set for the rest of the quarter, to install the surface unit in presence of a well head set on a high level to meet dual string surface set up and in downhole pump installation to be set through a 3.5-in. tubing with no rig accessThe solution was to use a unique way of installation by utilizing the available equipment without having the need of using a rig. Running downhole insert pump using a insert pump anchor was the solution to set the pump at any desired depth inside the 3.5" tubing. That will only require a flush-by unit access with no need to remove the current surface set up for the dual strings. The well head for the desired well was set to 11.5 ft above ground level creating a big challenge that has been solved by using 6 portable gravel pans that can be re-located later to lift the surface unit with 6 ft to be installed above the desired string. Successfully installing the sucker rod pumping unit in such way resulted the following benefits: Achieve required oil recovery from the string without affecting the other naturally flowing one.Eliminated work over Operation and stand by time costs.Reduced No-Production period.Installed downhole pump with the capability of retrieving the pump and/or converting the artificial lift method if required with no rig intervention. Successful installation of a sucker rod system on a dual string well for the first time in Kuwait in Burgan field, is now considered a solution for dual string wells to optimize oil recovery with minimum cost, and is being considered as a reference for rig-less interventions with the capability of changing the type of lift in future.
Project deliverables included gravel foundation preparation, concrete foundation installation, equipment reception and installation of conventional beam pumping units at 660 production wells in a remote field in Kuwait with a deadline of six months from equipment arrival. Equipment shipments schedules were sequential and therefore an execution strategy was required to successfully meet the project deadline. This paper describes the field operations strategy devised and adopted to successfully meet the deadline. A temporary operations base was set up at the remote field for coordination, equipment reception, inspection, consolidation, pre-assembly and dispatches. Operations were divided into six parallel processes as follows: Equipment logisticsGravel foundation preparationsConcrete foundation installationsUnit Pre-assemblyPre-assembled units dispatchesFinal unit installations Daily output targets were set for each process prior to the commencement of operations. Heavy machinery, manpower and tooling requirements were defined for each process to meet the daily output targets. Progress was monitored daily and subsequently resources were scheduled and utilized to achieve the daily output targets. Setting up of a temporary operations base at the remote field along with daily coordination of resources resulted in reducing equipment’s offloading, transportation and installation cycle times, which led to increased operational efficiency and reduced logistics and operations costs. Division of operations into parallel processes helped in tracking the progress of each operation individually, thereby providing over all control in management of operations. By pre-assembling the beam pumping units at the operations base before dispatching the individual unit, installation time was reduced by 50% when compared to a typical beam pumping unit installation. Daily output target setting helped in defining the resources required to meet these targets. As the operations progressed, daily monitoring of all processes resulted in identifying opportunities to improvise operations and subsequently the daily targets were revised to increase output for each process without exceeding the resources which resulted in time and cost savings. Adopting this execution strategy concluded in successful and efficient completion of the project deliverables as follows:Gravel foundation preparations were completed in 133 work daysConcrete foundation installations were completed in 121 work daysBeam pumping unit installations were completed in 103 work days This field operations strategy for installing conventional beam pumping units at 660 production wells within six months can be considered as a reference for successfully and efficiently completing future large-scale beam pumping unit installation projects at remote locations in a limited time frame.
Progressive cavity pumps (PCP) were introduced in Kuwait Oil Company (KOC) fields for the first time in year 2012 whereby 100 wells were to be awarded for a period of 5 years. Over a 3 year period over 50 pump installations were carried out. Due to the growth of the project the operations strategy focused on implementation of certain tools to aid in analysis and optimization of the wells thus improving the run life. Pump Watcher system is a part of a lease contract that involves PCP rental developed by KOC. The contract warrants remote surveillance and control of the pump including but not limited to start/stop and speed change. Although the PCP rental began in the year 2012, real-time monitoring and control was accomplished only in 2014 as the infrastructure related to radio communication was not in place. There has been a paradigm shift in data availability and quality before and after the installation of pumps, variable speed drives (VSDs), and remote monitoring and survey. This manuscript focuses on the benefits achieved ever since downhole gauge data and related pump information was made available on a real-time basis. The manuscript focuses on the following with case studies and examples:• Improved run life • Wells working under recommended operational conditions • Preventative actions due to real-time data (RTD)
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