Recovery device and method of shale gas

A recovery method and technology for shale gas, which are applied to vibration generating devices, production fluids, earthwork drilling, etc., can solve the problems of high production cost, low single-well shale gas production, and restrict shale gas development, etc. The effect of improving oil and gas recovery, energy concentration and long acting distance

Pending Publication Date: 2019-08-30
龚雨诗
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Problems solved by technology

[0005] For this reason, the embodiment of the present invention provides a shale gas recovery device and method to solve the problems in the prio...

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  • Recovery device and method of shale gas
  • Recovery device and method of shale gas

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Embodiment Construction

[0030] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. Terms such as "upper", "lower", "left", "right", and "middle" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the present invention. The change or adjustment of the relative relationship shall also be regarded as the implementable scope of the present invention without substantive change of the technical content.

[0031] see Figur...

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Abstract

The embodiment of the invention discloses a recovery device and method of shale gas, and relates to the technical field of energy extraction. The recovery device comprises a controller, a hole detection mechanism, an inherent frequency detection mechanism and a vibration generating mechanism; the inherent frequency detection mechanism detects the inherent frequency of a destination layer where perforation holes are located and sends the inherent frequency to the controller; through artificial intelligence control, the vibration frequency of the vibration generating mechanism is adjusted to enable the destination layer to resonate, under a resonant state, methane molecules adsorbed on the surface of a shale matrix are induced to be desorbed, thus the desorbed gas amount is increased, and meanwhile micro fractures continue being generated along the shale bedding surface and continuously extend towards the far end; the permeability of shale of the part is effectively improved, and then the recovery rate of unconventional natural gas is increased; and the condition for generating pressure expansion can further be caused in the shale, thus the tail ends of micropores in the shale continue being fractured and expanded internally to form shale gaps and cracks, and the diffusion and desorption processes of the shale gas are accelerated so as to increase the recovery rate of a shale gaswell.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of energy exploitation, and in particular to a shale gas recovery device and method. Background technique [0002] How to efficiently extract shale gas from the ground at low cost has become a bottleneck restricting the development of shale gas in my country. At present, the cost of shale gas development in my country is very high. The cost of each horizontal well is 60-80 million yuan, and the gas production capacity of different formations varies. [0003] The development of unconventional natural gas (shale gas, coalbed methane, etc.) in China faces many problems. How to increase single well production and reduce mining costs is the main problem currently facing the development of shale gas (coal bed methane, etc.) in my country, and its core content is the improvement of shale reservoirs. Compared with the United States, there are great differences in the enrichment, preservat...

Claims

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Application Information

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IPC IPC(8): E21B43/16E21B43/00E21B28/00E21B47/00E21B49/00
CPCE21B43/16E21B43/003E21B28/00E21B47/00E21B49/00
Inventor 龚雨诗
Owner 龚雨诗
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