directional drilling

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directional drilling

[də′rek·shən·əl ′dril·iŋ]
(engineering)
A drilling method involving intentional deviation of a wellbore from the vertical.
References in periodicals archive ?
Micki Hidayatallah, Allis-Chalmers' Chairman and Chief Executive Officer, stated, "These acquisitions increase our geographic footprint in the Rocky Mountains, add equipment that would have taken at least one year to acquire and provide us with additional directional drillers and salesmen in complimentary areas of operation.
We bought them primarily for directional drillers," says Mark Romeo.
Yet, for more than a year and a half, Caltrans' employees attempted to administer the erroneous HDD certification policy which intimidated directional drillers working in California, and encouraged regulatory agencies in other areas to follow Caltrans' example.
Portable vacuum excavators have simplified the task of keeping horizontal directional drilling job sites free of drilling fluids that escape bore holes, but some directional drillers report that it is becoming increasingly difficult and costly to dispose of fluids.
Most directional drillers define reek hardness in psi.
These directional drillers may have never thought they would need a public relations coordinator when they worked in these towns, but Midwest Cable's efforts in this area have kept their problems and callbacks to a minimum.
The good news for directional drillers in California is that Caltrans apparently is prepared to extend its deadline requiring certification of operators of HDD equipment.
In order to function properly, horizontal wells require proper design, construction, and development procedures that are not normally understood by directional drillers.
Mud motor technology came from the oil field and innovative directional drillers were quick to recognize the potential for expanding the capabilities of early HDD equipment.
Rock formations pose a major challenge to directional drillers.

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