埃克森美孚工程师在 URTeC 表示，炼油厂生产的黑沙作为轻质支撑剂在对比测试中可使产量提高高达 18%。
埃克森美孚的一位工程师上周在休斯顿举行的非常规资源技术会议上表示，随着公司规模的扩大，埃克森美孚的内部轻质支撑剂“在二叠纪盆地得到广泛应用”。
这种支撑剂由石油焦制成，石油焦是炼油过程中产生的一种低价值产品。埃克森美孚技术与工程部门的研究工程师Matt Spiecker表示，这是一种“适用于我们非钻井的可行的低成本轻质支撑剂选择”。其优势包括：
它增加了传导压裂面积并提高了产量，对比测试显示产量提高了 7% 到 18%；它在实验室测试和可行性试验中与所有类型的流体兼容；并且可以安全地运输和现场处理。
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The black sand made at refineries is delivering production gains of up to 18% in comparison tests as a lightweight proppant, Exxon engineers said at URTeC.
Exxon Mobil’s in-house lightweight proppant is “seeing wide use across the Permian Basin” as the company scales it up, a company engineer said last week at the Unconventional Resources Technology Conference in Houston.
The proppant is made with petroleum coke (petcoke), a low-value product of the refining process. It's a “viable low-cost lightweight proppant option for use in our uncon wells,” said Matt Spiecker, a research engineer in Exxon's technology and engineering unit. Among the advantages:
It increases conductive frac area and improves production, showing a gain of 7% to 18% in comparison tests; It’s been compatible with all types of fluids in lab tests and feasibility trials; and It can be safely transported and handled on location.
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