One type of directional drilling, horizontal drilling, is used to drastically increase production. Here, a horizontal well is drilled across an oil and gas formation, increasing production by as ...

The issue of using turbodrills to drill directional wells was put forth in 1939 and 1940 with the introduction of the T-6, T-10, and T-14-9 3/4-in. functional multistage turbodrills and the ...

One reason Ersland is drilling more frequently is economics. The significant difference in per-foot cost that previously existed between open-cut trenching and horizontal directional drilling (HDD ...