Quick general question for everyone that may have some input... Would it make sense for an operator to drill alternate Haynesville wells to a shallower portion of the Haynesville within a unit?

In other words, Chesapeake or whoever drills 5 horizontal Haynesville wells in a unit. Would it make sense for the company to drill additional alternate horizontal wells to a shallower portion of the Haynesville, say, another 5 horizontal for a total of 10 or more per unit? Thanks! 

Tags: Haynesville, Multiple, shale, wells

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All Haynesville Shale unit depth definitions include the Bossier Shale.  In areas where the Bossier is found to be commercial operators will likely drill those shallower wells also.  They won't be called "Bossier", they will be called "Haynesville".  You have to compare the True Vertical Depth (TVD) to tell the difference.  The areas are different but they do overlap somewhat.

Thanks for explaining Skip. 

We have twenty Haynesville wells in seven different sections in Red River Parish.  The most wells we have in any one section is seven.  Two of our wells are in the "Bossier" sand.  From a bird's eye view the Bossier sand wells are right on top of deeper "Haynesville" sand wells.

 

 

James, just to avoid any confusion it should be noted that most of Red River Parish portion of the Haynesville Basin is shale.  Although the unit designations are "Sand Units" that is merely traditional regulatory nomenclature and not a descriptor of the rock in question.  The more northern portion of the Haynesville Formation in Bossier, Webster, Claiborne for example is indeed sand and as such has many historic long life, vertical Haynesville wells.  Wherever you find those types of wells, you have found the sand portion of the formation.  Wherever you find horizontal wells with high decline characteristics, you have found the shale portion of the formation. 

Thanks for the info.

All our wells are horizontal and have high decline characteristics.

I learned the term "sands" because my father was a land surveyor and back in the day I helped him stake well locations for independent wildcatters.

You're welcome, James.  Back in those days the wells were indeed producing from sands.  The technology to produce from shale is a rather recent development.

The frackers should be put in the same bucket with Thomas Edison, Henry Ford,

Alexander Graham Bell, and the Wright brothers.

The economy runs on petrolium, ships. air planes, trains, 18 wheel trucks,

not to mention automobiles and everything plastic plus vital lubricants.

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