Drainhole drilling
Patent
·
OSTI ID:6159269
A method for drilling a well in the earth for the production of minerals therefrom wherein a primary wellbore is first drilled into the earth, the primary wellbore being a deviated wellbore having a radius of curvature in the range of from about 2.5 to about 6 degrees per 100 feet of primary wellbore length, and then drilling from said primary wellbore at least one drainhole wellbore, said drainhole wellbore having a radius of curvature in the range of from about 0.2 to about 3 degrees per 1 foot of drainhole wellbore length.
- Assignee:
- Atlantic Richfield Company
- Patent Number(s):
- US 4519463
- OSTI ID:
- 6159269
- Country of Publication:
- United States
- Language:
- English
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