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Best practices-Working toward zero leaks
| 题名： | Best practices-Working toward zero leaks |
| 正文语种： | eng |
| 作者： | Jimmy Youngblood |
| 作者单位： | Solmax |
| 摘要： | The Uinta Basin in northeast Utah is known for its extensive in-place oil shale resource. Because this area produces crude with low containment levels, it contributes to the production of fuels that are compliant with the most rigorous environmental standards. When XCL Resources was tasked with building a produced process water pond for development and production of oil and gas in this region, a containment solution that fit within the company's commitment to innovation and environmental stewardship was required. Produced process water occurs during the extraction of oil and natural gas. It is generally brackish and may contain trace amounts of chemicals. The produced process water ponds are used for containment after a water treatment process. The Utah Department of Natural Resources (DNR) regulators stipulated that the 9-acre (3.6-h) pond must have zero leakage into the subgrade and provide a system to protect migratory birds from the process water. To achieve this stringent expectation, XCL chose to use the GSE Leak Location Suite by Solmax for the pond 11's containment system to enhance electric leak location survey (ELLS) capabilities. ELLS is a field-proven technology and currently the only economically practiced method of locating leaks in installed geomembranes both before and after water or soil placement on the geomembrane. Various ELLS methods are available, but all operate on the principle that geomembranes are electrically isolative. Thus, when electricity is applied to the surface of the geomembrane and grounded to the layer beneath it, the path of electricity can be directly traced through any leaks present in the geomembrane. A challenge for these surveys is the conductivity of the material underneath the geomembrane, such as gravel, sand and drainage net as well as the air voids that can exist underneath wrinkles. |
| 出版年： | 2023 |
| 期刊名称： | Geosynthetics |
| 卷： | 41 |
| 期： | 4 |
| 页码： | 28-33 |
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