Haynesville (LA) - update through September 2017
01 / 09 / 2018
This interactive presentation contains the latest gas production data from all 3,459 horizontal wells in Louisiana, that started production since 2007, through September.
With well completions at the highest level in 5 years, and a significant amount of refracking, gas production in Louisiana grew by more than 1 Bcf/d in the first 9 months of 2017.
In my previous update on the Haynesville, I attributed a large part of the growth to refracking. However, at that time I missed a 100 or so newer wells, and as production in Louisiana is not reported by well, but by lease (‘unit’), I allocated too much of the recent higher output to older wells. This issue is fixed in this and future updates. As you can see in the above graph from the rising output in older wells, refracking is still playing a role, but not to the extent I previously reported.
If you go to the 3rd tab (“Well quality”), you can see the effect of this refracking on the production profiles of earlier wells. Furthermore, the significant gains in early well productivity for the 2016/2017 wells are also visible. The average well now peaks at over 13 MMcf/d in the first full calendar month.
The top graph in the ‘Well status’ tab shows the status of all wells over time. It reveals that not only did the number of completions grow in 2017, but that the DUC count grew as well, indicating that more growth can be expected from this region.
The ‘Advanced Insights’ presentation is displayed below:
This “Ultimate Return” overview also shows the changes in production profiles over the years, and how they impact the trajectory towards ultimate recovery. Wells are grouped by the year in which production started (you can change this to month/quarter using the selection).
The location and status of all these horizontal wells is shown on a map in the 3rd overview (“Well status map”). For each group of wells, sharing the same operator and well status, and located in the same field & formation, a blob is shown. As usual, tooltips give more information once you hover over one.
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Production data is subject to revisions. For this presentation, I used data gathered from the following sources:
- The Louisiana Department of Natural Resources
The above presentations have many interactive features:
- You can click through the blocks on the top to see the slides.
- Each slide has filters that can be set, e.g. to select individual or groups of operators. You can first click “all” to deselect all items. You have to click the “apply” button at the bottom to enforce the changes. After that, click anywhere on the presentation.
- Tooltips are shown by just hovering the mouse over parts of the presentation.
- You can move the map around, and zoom in/out.
- By clicking on the legend you can highlight selected items.
- Note that filters have to be set for each tab separately.
- The operator who currently owns the well is designated by “operator (current)”. The operator who operated a well in a past month is designated by “operator (actual)”. This distinction is useful when the ownership of a well changed over time.
- If you have any questions on how to use the interactivity, or how to analyze specific questions, please don’t hesitate to ask.