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Systems and methods for performing wellbore stimulation operations

A technology for wellbore and isolation layer, applied in wellbore/well components, earthmoving, fluid production, etc., to solve problems such as difficulties in downhole measurement and/or characterization

Inactive Publication Date: 2017-07-28
PRAD RES & DEV LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some rock formations such as shale can cause difficulties in performing certain downhole measurements and / or characterizations

Method used

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  • Systems and methods for performing wellbore stimulation operations
  • Systems and methods for performing wellbore stimulation operations
  • Systems and methods for performing wellbore stimulation operations

Examples

Experimental program
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Embodiment Construction

[0015] The description that follows includes exemplary systems, apparatus, methods, and instruction sequences that embody techniques of the subject matter herein. However, it is understood that the described embodiments may be practiced without these specific details.

[0016] The present disclosure relates to techniques for performing stimulation operations using wireline stimulation tools. Wireline stimulation tools may be deployed downhole to isolate small intervals of the wellbore and inject fluids into the surrounding formation. During injection, the wireline stimulation tool can also be used to perform downhole measurements, such as temperature and pressure, and to perform stimulation tests, such as mini-drop tests and stress tests. The collected information can be used to determine various downhole parameters such as fracture size, and to characterize the borehole and surrounding formation.

[0017] Cable production increase

[0018] Figure 1.1-1.3 Different wirelin...

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PUM

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Abstract

A method of performing a stimulation operation on a subterranean formation penetrated by a wellbore is provided. The method includes: collecting pressure measurements of an isolated interval of the wellbore during injection of an injection fluid into the isolated interval of the wellbore; generating fracture closure based on the pressure measurements; A mini-drop test of the isolated interval yields a conductivity; a fracture geometry is derived from an image of the subterranean formation surrounding the isolated interval; and a system permeability is derived from the conductivity and the fracture geometry. The method may also include deploying a wireline stimulation tool into the wellbore, isolating an interval of the wellbore using the wireline stimulation tool and injecting fluid into the interval. The fracture geometry can be obtained by imaging the formation, and the fracture geometry can be obtained by core sampling.

Description

technical field [0001] The present disclosure relates to techniques for performing oilfield operations. More particularly, the present disclosure relates to techniques for performing wellbore stimulation operations, such as perforating, injecting, treating, fracturing, and / or characterizing subterranean formations. Background technique [0002] Oilfield operations may be performed to place and collect valuable downhole fluids, such as oil and gas. Oilfield operations may include, for example, surveying, drilling, downhole evaluation, completion, production, stimulation, and oilfield analysis. Surveying may include seismic surveying, for example using a seismic truck to send and receive downhole signals. Drilling a well may include advancing a downhole tool into the ground to form a wellbore. Downhole evaluation may include deploying downhole tools into the borehole to perform downhole measurements and / or to recover downhole samples. Completion may include cementing and c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B49/00E21B43/26
CPCE21B43/26E21B49/00E21B49/008E21B47/002E21B49/006E21B47/06E21B49/02
Inventor K·武特里奇K·J·沃克W·索耶B·阿贾伊
Owner PRAD RES & DEV LTD