Reuse of abandoned wells
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It’s about the oil drilling rigs from the past, which are now being considered for reuse to power greenhouses using geothermal energy; it should be noted that these drilling rigs are located in very cold areas in the north. I hope everyone can give some advice!
Water needs to be circulated; pumping water directly may result in the water containing oil and other substances that are difficult to handle. It’s better to use a circulating water tank for heating
So there might be three systems: the geothermal water circulation system, the heating system, and the greenhouse circulation system
It seems you have worked on similar systems; please share your expertise
No, I’ve just seen introductions to geothermal heating abroad before; you can use that as a reference
Geothermal wells represent the most important stage in the exploitation of geothermal resources. Drilling to extract energy from hundreds or even thousands of meters underground and transporting it to the surface for various geothermal applications is a highly complex process. Geothermal well projects generally take a long time and require significant investment, but the work carried out during this phase is crucial to the success or failure of geothermal energy development; therefore, the advancement of the geothermal drilling industry is of vital importance.
Geothermal well management: Geothermal wells require operation and maintenance in the later stages. Geothermal wells are typically used to extract water with mineral properties and high temperature, such as geothermal water and geothermal steam; even ground-source heat pumps rely on water as a medium. Therefore, heat + water + minerals, along with microorganisms and unknown impurities present in complex underground conditions, ultimately lead to scaling. Moreover, the pipe walls used in geothermal drilling are made of metal, so rusting is inevitable. If this issue is not addressed over time, it will cause blockages, which in turn reduces water volume and temperature. Thus, regular logging and well cleaning are necessary to improve efficiency, and timely repair and cementing of the wells when problems arise are essential tasks in the later stages of geothermal drilling. By carrying out these tasks, the proper operation of geothermal wells can be improved, thereby ensuring the healthy and sustainable operation of geothermal energy projects.
According to a report from Dongying Net on August 5, the reporter learned from the Shengli Petroleum Administration that recently the \"Management Measures for the Development and Utilization of Geothermal Waste Heat Resources in the Shengli Oilfield\" were introduced, marking the beginning of a more standardized and regulated approach to the development and utilization of geothermal waste heat resources in this oilfield. During the interviews, the reporter learned that since 2013, in line with Sinopec’s strategic goals for sustainability and low carbon emissions as well as the requirements for the development of the geothermal waste heat industry, the oil fields have accelerated the exploitation of geothermal waste heat resources. Several projects have been carried out to promote the utilization of such resources in these oil fields. To date, the oil field has completed 8 projects, including a geothermal heat pump system for heating and cooling in Juyuan to replace oil-based heating, deep-well geothermal heating for the Linpan Hongxiang residential complex, and the utilization of waste heat from wastewater at the Lusheng oil collection station. In total, these projects have enabled an increase in or replacement of heating (cooling) capacity equivalent to 678,200 square meters, replaced 5,978 tons of oil, saved 19,600 tons of standard coal, and reduced carbon dioxide emissions by 49,400 tons. While accelerating the progress of project construction, the Geothermal Waste Heat Resource Development Department of the Administration Bureau, by summarizing the experience gained in advancing projects over the past two years and organizing the project operation procedures, and based on the opinions of various departments within the oil field, has finally issued the \"Management Measures for the Development and Utilization of Geothermal Waste Heat Resources in Shengli Oil Field\" recently. The \"Management Measures for the Development and Utilization Project of Geothermal Waste Heat Resources in Shengli Oilfield\" clarify the responsibilities of various functional departments involved in such projects. It specifies the long-term and medium-term development plans for the utilization of geothermal waste heat resources, as well as the procedures for formulating and submitting annual plans for their development and utilization. It also defines the operational management processes for investment-based projects as well as non-investment-based projects (such as BOO, BOT, EMC models), and establishes mechanisms for supervision, inspection, evaluation, and incentives. It is also understood that once this management approach is put into effect, it will create a fast track for the large-scale and industrialized utilization of geothermal waste heat, and it will contribute to the oil fields’ future efforts in achieving green and low-carbon development as well as energy conservation and emission reduction. (Reporter Yan Wenwen) It can be used as a reference
The oil wells over there can no longer pump out oil automatically, right? Is a circulation pump needed to remove the heat?