Wavelet Transform for Upstream Operations
Fracwave research group
University of Houston
Petroleum Engineering Department
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Cullen College of Engineering
University of HOUSTON | Petroleum Engineering
Motivation: Enhancing Oilfield Operations
As a result, this leads to:
Current Oilfield Operational Challenges
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Standardization
Automation
Integration
Scalability
Continuous improvement
To solve complex physical problems , Scientists simplified it with pre-assumptions to solve it with our old limited capabilities.
Need data driven solutions
Need generic solutions for machine learning scalability
Motivation : Machine Learning Needs Generic Solutions Without Assumptions
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Signal And Systems
System = transformation that maps an input signal x(t) into an output signal y(t).
Signal = physical quantity that conveys information over independent variables
=
In The
Age Of
Digitalization,
The
Oilfield
Is
Full
Of
Signals
And
Systems
=
Hydraulic Fracture is a system
Waterflooding is a system
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Signal Processing
Signal (data vs. time)
Fourier Transform
Frequency Analysis with no time domain analysis
Wavelet Transform
High resolution frequency and time domain analysis
Signal Processing
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Types Of Wavelet Transform
Discrete Wavelet Transform (DWT)
Decomposition to discrete composition
Continuous Wavelet Transform (CWT)
Decomposition over range of frequencies
Convolution of signal with a short wavy signal (wavelet)
Wavelet Transform
Used for looking for certain feature
Used to magnify all signal details.
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Continuous Wavelet Transform (CWT)
Can be moved along signal
Simply, it is flexible mathematical microscope
Can be stretched/compressed
Can be real/complex
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Complex Microscope
Our mathematical microscope is designed to capture the complexities of oilfield systems and subsurface formations.
We can see a lot of complicated details in smooth treating pressures
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Widely Used Medical And Engineering Fields
Engineering Applications
Medical Applications
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Widely Used in Geophysics
Geophysics
Geophysics
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
We Develop Field Scale Technologies
Technology | Paper | Summary |
Dynamic Fracture Propagation Characterization | Normalized CWT Scalogram tracked fracture growth calibrated using DFOS strain. | |
Normalized CWT Scalogram tracked fracture growth calibrated using microseismic data. | ||
CWT + Deep Learning predicted microseismic events cloud from pressure. | ||
Fracture Closure analysis | New fracture closure detection technique was validated using simulation and flow regimes. | |
New fracture closure detection technique identified closure pressure in lab DFIT tests. | ||
New fracture closure detection technique estimated closure stress from field DFIT and strain. | ||
Water Hammer modelling and induced fracture complexity characterization | CWT with Ridge Detection detected fracture complexity in field scale water hammer. | |
Inter-well connectivity | CrWTC identified the inter-well connectivity using injection and production data |
Click on paper link to download each paper
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
20 Years Of Development
Click on paper link to download each paper.
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
More Papers Will Be Published In SPE ATCE 2025
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Watch us
Several Industry webinars were held introducing our new technologies.
Click on link to watch the webinar.
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
You can propose a new research direction based on industry problems.
Think Beyond Technology, Wavelet Transform Is A New Lens On Complexity
Academia Industry Collaboration
University of HOUSTON | Petroleum Engineering
University of HOUSTON | Petroleum Engineering
Together we can achieve more
Fracwave Research Group
Prof. Mohamed Y. Soliman
Petroleum Engineering Department
University of Houston
Office: 713-743-8640
Mohamed Adel Gabry
University of HOUSTON | Petroleum Engineering