Improvement Components for Electro-Hydraulic Pulse System

电液脉冲系统的改进部件

• 批准号: 555560-2020
• 负责人: Bornhorst, Thomas
• 金额: $ 5.46万
• 依托单位: Southern Alberta Institute of Technology
• 依托单位国家: 加拿大
• 项目类别: Applied Research and Development Grants - Level 2
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=705498
• 关键词: Improvement; Components; Electro; Hydraulic; Pulse

Many processes are used to produce an oil and gas reservoir. These processes can break down or create debris inside the wellbore creating blockages. Blockages are expensive and to avoid them, regular maintenance is necessary. A new tool developed by Blue Spark is the Wireline Applied Stimulation Pulse or WASP. This high-power acoustic wave device is used for post-fracking wellbore applications when the flow of oil is degraded by debris and scale build-up around wellbore perforations The WASP works by generating a high power electro-hydraulic discharge (EHD) within a transmission medium of water and salt (brine). The mechanical waves produced have a magnitude that pulverizes the built-up scale in the perforations of the well casing. It improves flow by re-opening adjacent well rock glazed and compacted by perforation charges, extending the wellbore lifecycle. WASP is a technology that ensures that existing wells function efficiently until all the available reserves are extracted. Blue Spark is the WASP developer and they have successfully deployed the system in many international settings and won two awards for the best technology development for oil and gas in 2015. Blue Spark is seeking a second collaborative applied research project with the Southern Alberta Institute of Technology (SAIT) to develop improvements to specific components of the WASP. The method that WASP employs is very effective at destroying debris around the well casing but the process is extremely hard on the WASP components. The electrodes and an isolating liner (that prevents contaminants from reaching the electrodes) are adversely impacted by the arc generation and degrade during the process. The degradation of these components is attributed to the extreme conditions in the downhole environment, the destructive mechanics of the EHD wave process and the requirement for electrodes to remain relatively clean and mechanically coupled to the environment around the tool.

许多工艺用于生产油气藏。这些过程可能会在井眼内分解或产生碎片，从而造成堵塞。堵塞的成本很高，为了避免堵塞，需要定期维护。 Blue Spark 开发的一种新工具是有线应用刺激脉冲（WASP）。这种高功率声波装置用于压裂后井眼应用，当油流因井眼穿孔周围的碎片和水垢堆积而降低时，WASP 的工作原理是在水和盐（盐水）传输介质内产生高功率电液放电 (EHD)。产生的机械波的强度足以粉碎井套管穿孔中积聚的水垢。它通过重新打开邻近的井岩并用射孔弹压实来改善流量，从而延长井眼生命周期。 WASP 是一项确保现有油井高效运行直至所有可用储量均被开采出来的技术。 Blue Spark 是 WASP 开发商，他们已在许多国际环境中成功部署该系统，并荣获 2015 年石油和天然气最佳技术开发两项奖项。 Blue Spark 正在寻求与南阿尔伯塔理工学院 (SAIT) 开展第二个合作应用研究项目，以改进 WASP 的特定组件。 WASP 采用的方法对于破坏井套管周围的碎片非常有效，但该过程对 WASP 部件来说非常困难。电极和隔离衬里（防止污染物到达电极）会受到电弧产生的不利影响并在过程中降解。这些组件的退化归因于井下环境的极端条件、EHD 波过程的破坏性力学以及电极保持相对清洁并与工具周围环境机械耦合的要求。