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Variable structure wellbore connection assembly

A technology for connecting components and wellbore, applied in wellbore/well components, drilling equipment, valve device of wellbore/well, etc., can solve problems such as inability to change

Inactive Publication Date: 2016-03-16
HALLIBURTON ENERGY SERVICES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Unfortunately, typical wellbore connection configurations (e.g., sealed fluid communication and / or passages between certain wellbore sections) cannot be changed to suit specific well conditions

Method used

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  • Variable structure wellbore connection assembly
  • Variable structure wellbore connection assembly
  • Variable structure wellbore connection assembly

Examples

Experimental program
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Embodiment Construction

[0024] figure 1 Schematically shown in is a well system 10 and an associated method by which the principles of the invention may be practiced. In the well system 10 , a wellbore connection 12 is formed at the intersection of three wellbore sections 14 , 16 , 18 .

[0025] In this example, wellbore sections 14, 16 are portions of a "parent" or main wellbore, while wellbore section 18 is a "lateral" or lateral wellbore extending outwardly from the main wellbore. In other examples, wellbore sections 14, 18 may form a main wellbore, while wellbore section 16 may be a lateral wellbore. In still other examples, more than three wellbore sections may intersect at wellbore connection 12, both wellbore sections 16, 18 may be branches of wellbore section 14, and so on. Accordingly, it should be understood that the principles of the present invention are not limited in any way to figure 1 The particular configuration of the well system 10 and wellbore connection 12 shown and described ...

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Abstract

A method of installing a wellbore connection assembly in a well, the method may include connecting at least two tubular drill strings to one opposite end of a tubular drill string connector with substantially similarly sized oriented connections, whereby, by A directionally connected tubular drill string is interchangeably connected to the coupler. The wellbore connection assembly may include at least two tubular drill strings and tubular drill string connectors having opposing ends. Each tubular drill string may be secured to an opposite end of the connector by an oriented connection whereby each tubular drill string has a fixed rotational orientation relative to the connector. The well system may include a tubular drill string connector to which each of the first and second tubular drill strings is secured, and the support member may reduce bending of the second tubular drill string caused by the second tubular drill string Caused by deflection from one wellbore section to another.

Description

technical field [0001] The present invention generally relates to equipment and operations performed in connection with subterranean wells, and in the examples described below, specifically provides variable configuration wellbore connection assemblies for lateral wellbores. Background technique [0002] Wellbore connections provide connectivity for branched or multi-lateral wellbores. Such connectivity may include sealed fluid communication and / or passages between certain wellbore sections. [0003] Unfortunately, typical wellbore connection configurations (eg, sealed fluid communication and / or passages between certain wellbore sections) cannot be changed to suit particular well conditions. Accordingly, it will be appreciated that improvements would be beneficial in the art of constructing wellbore connection assemblies. Contents of the invention [0004] In the following disclosure, apparatus and methods are provided that bring improvements to the art of constructing w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B19/16E21B7/08E21B33/10
CPCE21B41/0035E21B47/024E21B43/14E21B17/04E21B7/061E21B19/16E21B34/06
Inventor D·J·斯蒂尔J-M·兰杰瓦
Owner HALLIBURTON ENERGY SERVICES INC
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