On Thursday MONA hosted a presentation by Denbury, a firm which will be conducting seismic testing in Madison for about 30 to 45 days beginning in October of this year.
The purpose is to generate an electronic underground image of soil and rock formations that contain carbon dioxide, which can be used to enhance the production of oil wells in Mississippi and the US.
It has already been determined by preliminary tests that the "Jackson Dome" is the purist form of carbon dioxide that has been found in the US at about 99.9999 % purity.
Testing will be done by electronic pulses whose magnitude is strictly regulated by federal regulations, and will not be strong enough to cause damage to houses even built on Yazoo Clay. The pulses will be less than a garbage truck going by. Engineers have determined that Yazoo Clay disipates the pulses better than rock or hard soil, so being on Yazoo Clay will not be a disadvantage to structural stability. There will be three pulses which will last about 15 seconds each about a minute or two apart, then the pulse will be generated from the next location a few minutes later.
Tests were run a couple of years ago and produced a two-dimensional electronic image of the dome. These tests will provide a three-dimensional image. The dome in our area is about 9,000 to 10,000 feet below ground. Drilling will eventually be conducted at a location outside of the city limits using angle drilling to get to the carbon dioxide in the dome.
The firm will be asking for permits to place its pulse generating equipment on certain lots as needed to complete an overall grid of information throughout all of Madison. The pulses will be generated by a box approximately one cubic foot in size, and they will be placed about 100 to 150 feet apart. Bradford Place was shown to have only one area on the grid where the equipment will be placed, which was at the extreme SW portion of the subdivision along the curve of West Bradford Place. Only those properties that are requested by the company to have a pulse box placed on them will need to grant permission. Presumably is permission is denied, the company will request permission from the owner of the next nearest location.
If carbon dioxide is later extracted from the ground below your property, you will be entitled to the value of the mineral rights. Check your deed to determine if you still have the mineral rights to your property. Most mineral rights were retained by the owners of the land before developing and selling lots of the subdivision. At present time the value of carbondioxide under ground is estimated to be approximately 1% of the value of oil.
The city has been thoroughly briefed on the nature of this work and has granted permission for this testing to continue inside the city limits.
Additional questions may be directed to Denbury at their website: Denbury.com.
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