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Extended reach drilling

Index Extended reach drilling

Extended Reach Drilling (ERD) is directional drilling of very long horizontal wells. [1]

7 relations: Directional drilling, Downhole oil–water separation technology, Drill string, Drilling fluid, Lost circulation, Underbalanced drilling, Well drilling.

Directional drilling

Directional drilling (or slant drilling) is the practice of drilling non-vertical wells.

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Downhole oil–water separation technology

Downhole oil–water separation (DOWS) technology is an emerging technology that separates oil and gas from produced water at the bottom of the well, and re-injects most of the produced water into another formation which is usually deeper than the producing formation, while the oil and gas rich stream is pumped to the surface.

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Drill string

A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit.

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Drilling fluid

In geotechnical engineering, drilling fluid is used to aid the drilling of boreholes into the earth.

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Lost circulation

In oil or gas well drilling, lost circulation occurs when drilling fluid, known commonly as "mud", flows into one or more geological formations instead of returning up the annulus.

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Underbalanced drilling

Underbalanced drilling, or UBD, is a procedure used to drill oil and gas wells where the pressure in the wellbore is kept lower than the static pressure then the formation being drilled.

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Well drilling

Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring.

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Redirects here:

Extended Reach Drilling.

References

[1] https://en.wikipedia.org/wiki/Extended_reach_drilling

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