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Fractured horizontal well pattern model and method for manufacturing same

A technology for horizontal wells and well patterns, applied in wellbore/well components, earthwork drilling, production fluids, etc., can solve problems such as the impact of productivity that cannot be simulated, and achieve the goal of improving accuracy, increasing similarity, and ensuring similarity Effect

Active Publication Date: 2013-12-18
PETROCHINA CO LTD
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  • Abstract
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Problems solved by technology

The electrolyte solution is used to simulate the matrix, the medium used is uniform, the charge distribution is also uniform, and the current in the test reaches a steady state in an instant, so the process simulated by the electrical simulation experiment is a single-phase liquid steady seepage process in a homogeneous formation, which cannot The development process of horizontal wells such as seepage in complex formations, unsteady seepage, and multiphase liquid seepage can be effectively simulated, and it will also be affected by the electrolysis effect, and due to its own structure, it is impossible to simulate the impact of pressure drop loss in the horizontal wellbore on productivity. Impact

Method used

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  • Fractured horizontal well pattern model and method for manufacturing same
  • Fractured horizontal well pattern model and method for manufacturing same
  • Fractured horizontal well pattern model and method for manufacturing same

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Embodiment Construction

[0023] In order to have a clearer understanding of the technical features, purposes and beneficial effects of the present invention, the technical solution of the present invention is described in detail below, but it should not be construed as limiting the scope of implementation of the present invention.

[0024] Hereinafter, embodiments of the present invention will be described with reference to the drawings. The following detailed description includes specific details as an example. Apparently, those skilled in the art can understand that even if various changes or changes are added to the following detailed content, the content after adding the changes or changes will not exceed the scope of the present invention. Therefore, the various embodiments described below do not lose the generality of the claimed invention, and do not impose any limitations on the claimed invention.

[0025] Such as figure 1 Described, the method for making fracturing horizontal well pattern m...

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Abstract

The invention provides a fractured horizontal well pattern model and a method for manufacturing the same. The method comprises the following steps: selecting a rock core from natural outcrop rock cores; cutting the selected rock core into a preset designed shape, and arranging a vertical well and a horizontal well on the rock core; forming a crack in the rock core; filling an artificial rock core, which has a penetration rate which is determined according to the dimensionless flow guiding capability of the crack, in the crack; filling an artificial rock core, which has a penetration rate which is determined according to the pressure drop of the horizontal well, in the horizontal well.

Description

technical field [0001] The invention relates to a method for making a fracturing horizontal well pattern model and a fracturing horizontal well pattern model, in particular to a method for making a low-permeability reservoir fracturing horizontal well pattern model and a fracturing horizontal well pattern model. Background technique [0002] As an advanced technology for oil and gas field development, horizontal wells have been applied to almost all types of oil and gas reservoirs, including edge-bottom water reservoirs, heavy oil reservoirs, fractured reservoirs, low-permeability reservoirs, and natural gas reservoirs. , one of the important means to change the mode of economic growth. [0003] In the development and research of horizontal wells, an important approach is physical simulation. Physical simulation can be used to reproduce the seepage law of reservoir fluid in rocks, study various driving phenomena and mechanisms, and guide the design and optimization of oilfi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/26
Inventor 刘学伟冯骋滕起杨正明熊生春王学武张亚蒲何英骆雨田
Owner PETROCHINA CO LTD
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