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首页> 外文会议>Society of Petroleum Engineers Health,Safety,Security and Environment Conference and Exhibition >Water Recycling and Purification in the Pinedale Anticline Field: Results From the Anticline Disposal Project
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Water Recycling and Purification in the Pinedale Anticline Field: Results From the Anticline Disposal Project

机译：Pinedale反线领域的水回收和纯化：反对链条处置项目的结果

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Recycling produced water and fracture flow back water for hydraulic fracturing can contribute significantly to water supplies for unconventional gas field development. Waste water may also be cleaned to supplement fresh water supplies for drilling and cementing surface pipe, surface construction, and other field development needs. The Pinedale Anticline field in western Wyoming is an example where recycling water has contributed significantly to supplies for field development. Early in the field development the need to conserve available water supplies and the limitations on waste disposal injection capacity demonstrated the need to recycle water. The Anticline Disposal Process was designed and constructed to meet the field development needs in two phases. The first phase utilized anaerobic and aerobic biologic treatment followed by clarification and filtration to clean fracture flow back and produced water. The process successfully cleaned and recycled 22,000,000 barrels of “frac water” in the first four years of operation. The second phase was designed to process surplus water to supplement fresh water supplies and also to meet discharge standards for a local river. This requires removing constituents such as methanol, dissolved aromatic compounds, excess dissolved solids, and boron. The process utilizes a membrane bioreactor, reverse osmosis, and ion-exchange process treatment steps. Organic constituents are removed to below detection limits. Inorganic salts are reduced from over 8,000 mg/l in the feed to below 100 mg/l in the product water. Boron is reduced from 15 to 30 mg/l in the feed to less than 0.75 mg/l, the drinking water standard, in the product water. Over 200,000 barrels of processed water has been used locally in the first year of operation with over 1,000,000 surplus barrels discharged to the river. The results demonstrate feasibility to construct water processing plants to clean fracture flow back water for re-use in well completions and to reclaim water to supplement fresh water supplies. Design considerations, process steps, and lessons learned for consideration in application to other areas will be presented.
机译：回收生产的水和骨折流量回水用于水力压裂的供水可显着对非传统气田发育的供水。还可以清洁废水，以补充钻井和固井表面管，表面结构和其他场开发需求的淡水供应。 West Wesoming的Pinedale抗线领域是一个例子，回收水对现场开发供应贡献。在现场开发的早期需要节约用水和废物处理注射能力的局限性表明需要回收水。设计并建造了反对线处理过程，以满足两阶段的现场发展需求。第一阶段利用厌氧和有氧生物治疗，然后澄清和过滤，以清洁裂缝流回来并产生水。该过程在手术前四年成功清洁并再循环22,00万桶“Frac水”。第二阶段旨在加工剩余的水来补充淡水供应，并满足当地河流的排放标准。这需要除去成分，例如甲醇，溶解的芳族化合物，过量溶解固体和硼。该过程利用膜生物反应器，反渗透和离子交换过程处理步骤。有机成分被移除到低于检测限度。无机盐在产物水中以超过8,000mg / l减少到100mg / l以下。硼在进料中减少15至30mg / l，在产物水中的饮料量小于0.75mg / L，饮用水标准。超过20万桶加工水在局部运营的一年中，超过1,000,000桶到河流。结果表明，构建水处理厂以清洁骨折流水的可行性，以便在完井中重复使用，并收回水以补充淡水供应。将提出设计考虑因素，流程步骤和在应用于其他地区的应用中考虑的经验教训。

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