Automated production optimization technique for smart well completions using real-time nodal analysis

A technology of productivity and optimization algorithm, applied in design optimization/simulation, wellbore/well valve device, wellbore/well parts, etc., can solve problems such as troublesome process and few downhole valve adjustments, so as to improve sweep efficiency, Optimizing on-site testing requirements and good management effects

Pending Publication Date: 2021-12-31
SAUDI ARABIAN OIL CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, engineers rarely utilize downhole valves to adjust production from specific areas in a timely fashion
Even when adjustments are made, the process is cumbersome and based on trial and error

Method used

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  • Automated production optimization technique for smart well completions using real-time nodal analysis
  • Automated production optimization technique for smart well completions using real-time nodal analysis
  • Automated production optimization technique for smart well completions using real-time nodal analysis

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Embodiment Construction

[0041] The following detailed description describes optimization techniques for smart well completions (SWC). For example, optimizing for a smart completion may refer to achieving well performance values ​​that indicate or result in performance above a predetermined threshold. Various modifications, changes, and permutations to the disclosed embodiments may be made and will be apparent to those of ordinary skill in the art, and the general principles defined may be applied to other implementations without departing from the scope of the present disclosure. methods and applications. In some instances, details not necessary to gain an understanding of the described subject matter may be omitted so as not to obscure one or more of the described implementations with unnecessary detail, since such details are well within the skill of the art Within the skill of an ordinary skilled person. The disclosure is not intended to be limited to the described or illustrated embodiments but...

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Abstract

Systems and methods include a method for optimizing smart well completions using real-time nodal analysis including recommending changes to downhole settings. Real-time well rates and flowing bottom-hole pressure data at various choke settings for multiple flow conditions are collected for each lateral of a multilateral well. Recommended optimizing changes to downhole inflow control valve (ICV) settings for surface and subsurface ICVs are determined based on the real-time well rates and the flowing bottom-hole pressure data. The optimizing changes are designed to optimize production in the multilateral well. The recommended optimizing changes to the downhole ICV settings for the surface and subsurface ICVs in the laterals are provided for presentation to a user in a user interface of a multilateral well optimizing system. A user selection of one or more of the recommended optimizing changes is received. The recommended optimizing changes selected by the user are implemented.

Description

[0001] priority claim [0002] This application claims priority to U.S. Patent Application No. 16 / 414,535, filed May 16, 2019, the entire contents of which are incorporated herein by reference. Background technique [0003] The present disclosure applies to optimization techniques for intelligent well completions. Many wells are provided with downhole sensors and valves enabling real-time monitoring and control of multilateral completions. However, engineers rarely utilize downhole valves to adjust production from specific areas in a timely manner. Even when adjustments are made, the process is cumbersome and based on trial and error. Contents of the invention [0004] This disclosure describes techniques that may be used to optimize smart completions. For example, optimizing for a smart completion may refer to achieving well performance values ​​that indicate or result in performance greater than a predetermined threshold. In some embodiments, a method includes a comput...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B41/00E21B43/12
CPCE21B43/12E21B41/0035E21B41/0092G06F30/20E21B34/16E21B47/06E21B47/10E21B41/00
Inventor 阿米尔·阿拉纳齐阿布杜勒阿齐兹·阿尔-卡西姆艾哈迈德·Y·布哈姆森
Owner SAUDI ARABIAN OIL CO
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