Jetting device for oil-shale drill hydraulic mining

Abstract

The invention discloses a jetting device for oil-shale drill hydraulic mining, and belongs to the technical field of oil-shale exploiting. The jetting device comprises a protection assembly, a pressurizing assembly, and a jetting assembly, wherein the protection assembly is located on the outmost side of the device; the pressurizing assembly is arranged at one end of the protection assembly; and the jetting assembly is arranged at one end of the pressurizing assembly. The jetting device disclosed by the invention is scientific and reasonable, and safe and convenient to use; through shifting ordinary jetting and continuous high-pressure jetting, the adaptability in the oil-shale exploiting process is improved, the continuous high-pressure jetting can be utilized to perform high pressure impact exploiting on oil-shale, oddments generated in the exploiting process can be effectively cleaned by the ordinary jetting; compared with a prior art, the high-pressure jetting of the device has thecharacteristic of being stabler in jetting pressure, so that the oil-shale exploiting efficiency can be effectively improved; and ordinary high-pressure water flow switching can be performed by the device, and the jetting manner can be adjusted according to the oil-shale exploiting state, so that the adaptability to the environment and the flexibility of the device can be improved.

Description

technical field [0001] The invention relates to the technical field of oil shale exploitation, in particular to a jet device for hydraulic exploitation of oil shale drilling. Background technique [0002] Oil shale belongs to unconventional oil and gas resources. It is listed as a very important alternative energy source in the 21st century due to its rich resources and feasibility of development and utilization. It is a non-renewable fossil energy like oil, natural gas and coal. In the past 200 years In the development and utilization of oil shale, a lot of experience has been accumulated in its resource status, main properties, mining technology and applied research. Oil shale (also known as kerogen shale) is a kind of sedimentary rock with high ash content and combustible organic matter. The difference is that the ash content exceeds 40%, and the main difference from carbonaceous shale is that the oil content is greater than 3.5%. Shale oil can be obtained from oil shale...

AI Technical Summary

Problems solved by technology

Shale oil can be obtained from oil shale through low-temperature dry distillation. Shale oil is similar to crude oil and can be made into gasoline, diesel oil or used as fuel oil. In addition to forming a separate reservoir, oil shale often forms associated mineral deposits with coal and is mined together. In the prior art, when the oil shale is exploited, a jet device is needed to assist in the mining, but the existing jet device has a single function and can only maintain a single jet mode, and the s

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