首页> 外文会议>Society of Petroleum Engineers Offshore Europe Oil and Gas Conference and Exhibition >Ormen Lange: Delivering Production Optimisation and an Improved Reservoir Understanding Using a New Cableless Sandface Monitoring System
【24h】

Ormen Lange: Delivering Production Optimisation and an Improved Reservoir Understanding Using a New Cableless Sandface Monitoring System

机译:Ormen Lange:使用新的无磁砖砂面监测系统提供生产优化和改进的水库理解

获取原文

摘要

The big-bore, high flowrate completion design used on Ormen Lange features a high-set production packer and large bore 9 5/8” production liner. This completion design makes it impractical to install a traditional cabled Permanent Downhole Gauge (PDG) system close to the producing sandface. With separation distances of greater than 1,000 meters between the producing sandface and the PDG, and frictional pressure drops and gravity head differences to contend with, there is significant uncertainty in how the pressure measurements recorded by the cabled PDG relate to the true flowing sandface pressures. For wells operating on drawdown constraint, reducing these uncertainties allows the drawdown to be optimised, which is critical to maximising production and exploiting the field reserves effectively. This paper presents a case history of the development, qualification and first time installation in the deepwater subsea environment, of a new cableless communication system. The system provides two-way communications between a battery powered pressure / temperature monitoring system located remotely at the producing sandface, and the onshore control room located at Nyhamna in Norway. The cableless communications technology functions by transmitting low frequency electromagnetic (EM) signals using the steel casing or tubing of the completion, or the rock formation, as a signal path. For Ormen Lange, high accuracy and high resolution pressure and temperature data is measured at the sandface using a precision quartz crystal sensor. This data is then transmitted in real-time through the cemented large bore production liner to a signal pick-up located above the production packer. Data is then transferred from the pick-up to a seabed transceiver via a cabled link and then onwards to the onshore control room. The communication channel is two-way, thus enabling the downhole system to be reconfigured on command from the onshore control room. Cableless gauge systems installed in several Ormen Lange wells have successfully transmitted high quality, high resolution pressure and temperature data recorded at the producing sandface, to the onshore control room and then onwards to the A/S Norske Shell internal data network. The data is being used for multiple purposes, including pressure build-up (PBU) analysis at the sandface, to determine permeability thickness and skin damage, to monitor the sandface completion efficiency and integrity, to maximise the production rate and as a diagnostic tool to determine gradient and confirm the density of the wellbore fluids during early stage well production clean-up. This first time application of a new cableless reservoir monitoring technology is enabling wellbore uncertainties to be reduced in the Ormen Lange big-bore high-rate gas wells. This has lead to production optimisation and an improved reservoir understanding, the learnings of which have been applied across the wider Ormen Lange field development, even for those wells having no cableless monitoring system installed.
机译:在Ormen Lange上使用的大孔,高流量完成设计采用高套装生产封隔器和大型钻孔9 5/8“生产衬垫。安装靠近生产沙面的传统连接永久井下规格(PDG)系统,这项完成设计使其不切实际。在生产砂面和PDG之间的分离距离大于1000米,摩擦压降和重力头差异与抗衡性相差,有明显的不确定性在通过电缆PDG记录的压力测量如何与真正流动的砂面压力相关。对于在绘图限制上运行的井,减少这些不确定性允许优化绘制,这对于最大化生产和有效利用现场储备至关重要。本文介绍了一个新的无线通信系统的深水海底环境中的开发,资格和第一次安装的案例历史。该系统在远程位于生产的砂面上远程位于南岸的电池供电压力/温度监测系统之间提供双向通信,以及位于挪威Nyhamna的陆上控制室。无布线通信技术通过使用完成的钢壳体或管道或岩石形成作为信号路径来传输低频电磁(EM)信号。对于Ormen Lange,使用精密石英晶体传感器在砂面上测量高精度和高分辨率压力和温度数据。然后将该数据实时地通过芯片的大孔生产衬管实时传输到位于生产封隔器上方的信号拾取器上。然后通过电缆链路从拾取到海底收发器从拾取到海底收发器,然后向上到陆上控制室。通信信道是双向的,从而使得井下系统能够从陆上控制室的命令重新配置。安装在多个Ormen Lange Wells中的无磁砖仪表系统已成功传输高质量,高分辨率的压力和温度数据,在生产砂面上记录到陆上控制室,然后向A / S Norske Shell内部数据网络发送。数据用于多种目的,包括在砂面上的压力积聚(PBU)分析,以确定渗透性厚度和皮肤损坏,以监测砂面完成效率和完整性,以最大限度地提高生产率和作为诊断工具确定梯度,并在早期生产清洁期间确认井筒流体的密度。第一次应用新的无陶油布储层监测技术正在使井眼不确定性能够减少在ormen Lange大孔的高速储气井中。这导致生产优化和改进的水库理解,其学习已经应用于更广泛的Ormen Lange Field开发,即使对于没有安装无陶器监控系统的井。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号