2017 SPE Hydraulic Fracturing Technology Conference

The 2017 SPE Hydraulic Fracturing Technology Conference is this week, and I’ll be presenting SPE-184820-MS “Calculating the Volume of Reservoir Investigated During a Fracture-Injection/Falloff Test (DFIT)” on Wednesday, January 25, at 2:40 pm. If you are attending, please say “hello.” The paper provides a simple method for calculating the volume-of-investigation, but more importantly, the paper describes how to design a DFIT so that the permeability measurement becomes meaningful for reservoir simulation and constraining permeability during rate-transient analysis. It’s an important concept that is often overlooked in well testing in unconventional reservoirs. I’ll be posting more on the topic after the paper is presented.

Unfortunately, I have to update the DFITpro.com programming and functionality schedule as follows.

  • Allow User Registration and Login — February 6, 2017
  • Allow Registered Users Access to DFITpro Design Module — February 27, 2017

After fighting WordPress and ASP.net Core MVC/Azure compatibility issues, and writing a more robust dfitblog theme in php, I’m returning to the registration and login functionality programming. When I started programming DFITpro.com, I was studying, learning and programming in ASP.net while learning software architecture at the same time. Layered software architecture was appealing because it allowed the user interface to be changed/updated at any time without needing to implement changes in the domain (the fun calculations layer) or persistence (database) layers of DFITpro.com. As I was about to start the “official” DFITpro.com software, Microsoft released ASP.net Core MVC, which according to everything that I read was the “future” supported programming platform for the web. Although ASP.net Core MVC was in an early release, I bet-the-farm and made a conscious choice to develop DFITpro.com in ASP.net Core MVC. Yea.

Yea? Not really. As I began programming the user registration and login, I learned that ASP.net Core MVC doesn’t support the persistence layer .dll the same as the old ASP.net. Consequently, I’m having trouble getting the database layer initiated. I’ve received some expert help to my question on stackoverflow.com, but the result remains, “that’s strange, because it should work.” Anyway, I/we will get the problems addressed and allow user registration and login soon, which will open up functional DFITpro design and analysis modules to the users.

In the meantime, if you have DFIT questions, or would like me to analyze some data, please contact me at david.craig@dfitpro.com.

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