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Carbon dioxide-energy gathering agent detonation impacting phase-change jet device and method thereof

A carbon dioxide and energy-gathering technology, which is applied in the fields of production fluid, earthwork drilling, wellbore/well components, etc., can solve the problem of complex geological conditions of unconventional oil and gas resources, low rock permeability, unfavorable development of unconventional oil and gas resources, etc. question

Inactive Publication Date: 2017-02-15
胡少斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The reserves of unconventional oil and gas resources are abundant, but the geological conditions of unconventional oil and gas resources are complicated, and the rock permeability is low, which is not conducive to the development of unconventional oil and gas resources. important means of resources

Method used

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  • Carbon dioxide-energy gathering agent detonation impacting phase-change jet device and method thereof

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Embodiment Construction

[0044] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0045] 1. Device

[0046] 1. Overall

[0047] The device includes a storage tank 1 for a gathering agent, a storage tank 2 for carbon dioxide, a mixture generator 3, an injection pump 4 and a deflagration jet 5;

[0048] Its location and connection relationship are:

[0049] Both the energy-gathering agent storage tank 1 and the carbon dioxide storage tank 2 are connected to the mixture generator 3 through pipelines, and the mixture generator 3, the injection pump 4 and the deflagration injector 5 are connected in sequence;

[0050] The deflagration jet 5 is composed of a housing 5-0, an electric spark igniter 5-1, a one-way sealing valve 5-2, a combustion explosion chamber 5-3, a constant pressure energy relief valve 5-4, and an air flow oscillator 5 -6 and rotary ejector 5-7;

[0051] The housing 5-0 is a closed cylinder;

[0052] An electric spark igniter 5-1 and a one-way sealin...

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Abstract

The invention discloses a carbon dioxide-energy gathering agent detonation impacting phase-change jet device and a method thereof and belongs to the field of development and utilization of unconventional oil and gas resources of reservoirs deep underground. The device comprises an energy gathering agent storage tank, a carbon dioxide storage tank, a mixture generator, an injection pump and a detonation jet unit. The energy gathering agent storage tank and the carbon dioxide storage tank are connected with the mixture generator through pipelines, and the mixture generator, the injection pump and the detonation jet unit are sequentially connected. The method comprises the steps of (1) energy gathering agent preparation, (2) equipment arrangement, (3) burning agent injection, (4) burning agent ignition, (5) repetitive operation and (6) effect monitoring. According to the carbon dioxide-energy gathering agent detonation impacting phase-change jet device and the method thereof, high energy shockwaves generated by carbon dioxide and the energy gathering agent are fully utilized to enable reservoir rocks to generate fractures, deploy can be conducted according to the fracture requirements, and reaction raw materials adopted by the device have no pollution to the environment.

Description

technical field [0001] The invention relates to the field of development and utilization of unconventional oil and gas resources in underground deep reservoirs, in particular to a carbon dioxide-energy-gathering agent deflagration ram phase change jet device and a method thereof. Background technique [0002] The reserves of unconventional oil and gas resources are abundant, but the geological conditions of unconventional oil and gas resources are complicated, and the rock permeability is low, which is not conducive to the development of unconventional oil and gas resources. important means of resources. Hydraulic fracturing technology has been developed for nearly half a century, especially since the late 1980s, breakthroughs have been made in hydraulic fracturing, multi-stage fracturing, and repeated fracturing. Now hydraulic fracturing, hydraulic slotting and high-pressure water jet technology have been widely used in the development of low-permeability oil and gas field...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/26E21B43/263
CPCE21B43/26E21B43/263
Inventor 胡少斌
Owner 胡少斌
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