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Smart frac plug

A fracturing plug, intelligent technology, applied in wellbore/well components, measurement, instruments, etc., can solve problems such as difficult access to technology

Inactive Publication Date: 2019-03-15
GAS TECH INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technology to obtain this information is not readily available because it is either too expensive or insufficient in the current horizontal well environment

Method used

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Embodiment Construction

[0024] As described below, the invention of the present application is an apparatus for measuring and collecting data during hydraulic fracturing, including but not limited to temperature, pressure and / or velocity and / or acceleration fields.

[0025] Figure 1a -d shows a typical "plug-and-perforate" fracturing process and typically involves a large number of fracturing stages with hydraulic isolation using conventional isolation fracturing plugs 100 during each stage. In operation, once the well 102 is drilled and the production casing 104 has been cemented, the fracturing process may begin. The approximate steps involved are as follows. After the well toe or first stage 108 has been fractured, the perforating assembly 106 with the isolation frac plug 100 attached is positioned downhole from the next zone or second stage 110 to be stimulated. The isolation frac plug 100 includes flow channels 34 and is configured to at least partially block flow further downhole in order to...

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Abstract

A smart frac plug assembly including an instrument plug module with a sensor for collecting data during a hydraulic fracturing process. This assembly when used in conjunction with a wireless or tubingconveyed data logger and other related recording / processing systems, provides direct measurements of pressure, temperature, observed velocity field and / or observed acceleration field in a subsurface.

Description

technical field [0001] The present invention generally relates to systems and methods for collecting downhole data during hydraulic fracturing. Background technique [0002] During a conventional hydraulic fracturing operation, a portion of a wellbore is stimulated or hydraulically fractured. Fracturing fluid travels through the wellbore, then through the open perforation pack, and then into the hydrocarbon-bearing gas shale, creating a hydraulic fracture. [0003] Traditionally, methods used to acquire downhole pressure and temperature data include behind-pipe fiber optic cables, downhole pressure gauges in vertical wells, and real-time annular surface measurements. The technology to obtain this information is not readily available because it is either too expensive or insufficient in the current horizontal well environment. Contents of the invention [0004] The present invention includes a system for collecting data during hydraulic fracturing. The system includes a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/26
CPCG01V2001/526E21B33/134E21B43/26E21B47/06G01V1/52G01V2210/1234G01V2210/1429E21B47/002E21B47/113E21B47/07E21B33/12E21B43/116E21B49/00
Inventor 乔丹·西泽巴卡蒂波特伊安·迈蒂肯特·佩里
Owner GAS TECH INST
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