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Our engineers have had promising results with Horizontal Directional Drilling (HDD) in old plays in the Illinois Basin; however, HDD is more expensive than vertical drilling due to the high maintenance cost of downhole motors and Measurement While Drilling (MWD) systems required to control hole trajectory. With our liquidity and current commodity prices, we are able to pursue projects requiring HDD that were once unthinkable.
Brian Terrel
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Drilling Technolgy
Horizontal Directional Drilling Enhances Oil Recovery
Conventional drilling is limited to recovering vertical columns of gas or oil and may leave untapped reserves. With Horizontal Directional Drilling (HDD), the drill stem can bend and run parallel to the surface at a pre-determined depth to tap oil or gas in horizontal strata. Although HDD is two to three times more expensive than traditional drilling methods, the production return may be 15 to 20 times greater.
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New advancements in Enhanced Oil Recovery (EOR) such as Infill Drilling and specifically, hydraulic fracturing in gas reservoirs are also being incorporated into Core’s projects. Infill Drilling allows drilling into thin pockets of oil and gas sometimes from many miles away from the original well. Innovations in gas injection (CO2), thermal recovery, and chemical injection are techniques that add to the cost of oil, but the proven increased extraction methods are economically sound in today’s energy environment.
Horizontal Well Plan
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