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NeuraSection: Log Correlation, Cross Sections and Reserves

An 8-minute NeuraSection tour by Dewayne Preston, Senior Sales Engineer: correlation, cross sections, mapping and reserves.

It covers the bulk importers and OCR tool for building projects, the project map and areas of interest with contouring and a volume and reserves calculator, correlation mode with LAS files and TIFF images, and the cross section and montage builder.

NeuraSection is Neuralog's geological interpretation software for evaluating and displaying geologic data in one place.

In this video

  1. 0:00Intro
  2. 0:32NeuraSection Splash Screen
  3. 1:00Bulk importers
  4. 1:25OCR tool
  5. 1:44Project Map
  6. 3:00Volume and Reserves
  7. 3:31Correlation
  8. 4:18Correlation Mode
  9. 4:44Organizing Well Logs
  10. 5:23Building Cross Sections
  11. 6:55Well Cross Section
  12. 7:16Montage Builder
Transcript

Edited from the video's English captions.

0:00Intro

Hello, my name is Dewayne Preston, Senior Sales Engineer at Neuralog, and I'm excited to welcome you to my presentation on NeuraSection. NeuraSection has been around for decades, but now it's been totally redesigned, geared towards the idea of graphical representation. Fewer menus, touchscreen technology and more up-front features allow you to streamline your workflows. Today I'll go through some of the basics in the software while highlighting some of the latest features. Let's get started.

0:32NeuraSection Splash Screen

First, let's take a look at the NeuraSection splash screen. If you've ever used NeuraSection before, this probably looks a lot different to you, but even if you're a new user you can see the resemblance to the Microsoft Office interface. This page was designed to give our users information about which project was last active and what items were being worked on, as well as functions to begin work or to add to the active database right away.

1:00Bulk importers

Quickly build projects with NeuraSection's bulk importers. NeuraSection's bulk importers are designed to populate well data from custom formats like Excel workbooks, or proprietary formats like IHS well files. Rasters and LAS files can also be bulk imported and are automatically associated to the well entity.

1:25OCR tool

Using the new OCR tool in NeuraSection, you can capture text directly from your raster image header section to populate well data.

1:44Project Map

When wells with location data are added to the project, they are automatically posted to the project map. The NeuraSection project map is a best-fit map that shows wells' relationships to one another. Geographical layers like shapefiles can be added to the map to show geographical reference.

From the project map, smaller maps can be made, called areas of interest. Areas of interest tie in with surface formations, allowing you to automatically contour based on surface depth or isopach thickness. Here I will create a top of formation map on surface A3, and you can see I easily create an interval of 25-foot contours with the touch of a button. Once the contours have been generated, NeuraSection can develop a 3D representation of the formation based on location and depth information from the database.

3:00Volume and Reserves

The area of interest module also comes equipped with a volume and reserves calculator. Select the formation you would like to calculate, and NeuraSection will display the volume of that formation. Also, at the click of a button, produce a report that lists all the contour depths and the associated areas. This report can be added to your final montages.

3:31Correlation

From your area of interest or your project map, quickly choose wells for a line of section or for correlation. Here I'll choose an existing line of section and open it in NeuraSection correlation mode. Some products only allow you to use rasters and some products only allow you to use LAS, but in NeuraSection we allow you to use both, or either. Here I'll use a mix of LAS files and TIFF images in my correlation, just to show how powerful the program actually is.

4:18Correlation Mode

Now entering NeuraSection correlation mode. When working with a lot of wells your screen can get pretty busy, so in NeuraSection correlation mode we give you the ability to select only the well logs you actually want to correlate with, while maintaining your line of section. So I'll just select the top four here and begin my correlation.

4:44Organizing Well Logs

In correlation mode there are many tools to organize the well logs so that you can quickly line up tops. First is the zoom tools, so that you can see all the well logs at the same zoom value. Then you can quickly flatten on tops by pointing your cursor at the top, right-clicking, and selecting Flatten on that particular top. This is really helpful when it comes to picking tops and correlating from log to log.

5:23Building Cross Sections

Once correlation is finished and all the tops are picked, it's time to move on to building a cross section. NeuraSection is the industry's most powerful montage builder. In the cross section module, wells are hung true vertical depth subsea and tops are automatically posted. The montage module is equipped with many tools to customize the view of your data. With a click of a button I can quickly connect related tops and fill the zones. These zones can also be filled with lithology or customized to show paint jobs.

The NeuraSection montage builder also comes with picture and text tools to enhance the visual aesthetics of the final montage. Along with the zone fills, NeuraSection allows you to quickly change the display type of your cross section. I will switch from a structural to a stratigraphic section here by selecting which top I want to flatten on, and the cross section is instantly redrawn, flattened on that top. Also, if I would like to custom-adjust the spacing of the wells, this is an active montage field: the software will allow me to click and drag a log into the desired spacing.

6:55Well Cross Section

Let's take a look at this completed one-well cross section. I've used the picture tool and annotation tool to highlight the drill cuttings from this well.

7:16Montage Builder

NeuraSection's montage builder has finally put all the tools needed to make final montages in one place. What you see here is a montage that I've prepared using all the modules that were displayed here today. We have a structural cross section equipped with connected profiles, lithologies, pie-chart-style formations, pictures of drill cuttings from the formation, a topographic map, a structural map and a 3D structural map. The way this information is displayed in NeuraSection allows the user to tell a story about what's happening in an active field being developed.

Thank you for watching my presentation on NeuraSection. I hope you have heard or seen something here that either sparks your interest in NeuraSection or teaches you something new. Please feel free to contact us if you have any direct questions.

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