Wells – Processes – Assembling well part
Reexamination Certificate
2006-07-11
2006-07-11
Gay, Jennifer H. (Department: 3672)
Wells
Processes
Assembling well part
C166S384000, C166S050000, C166S052000
Reexamination Certificate
active
07073599
ABSTRACT:
A monobore wellbore (68) and method for completing the same are disclosed. The monobore wellbore (68) comprises a first casing (74) having an inner diameter (76) and a lap region (80). A second casing (90) is positioned within the wellbore (70) by passing through the first casing (74) such that an uphole end of the second casing (90) is positioned within the lap region (80) of the first casing (74). After downhole expansion, the second casing (90) has an inner diameter (114) that is substantially the same as the inner diameter (76) of the first casing. The uphole end of the second wellbore is coupled to the lap region (80) of the first casing (74) to create a mechanical connection and a hydraulic seal, thereby creating the monobore wellbore (68).
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Gay Jennifer H.
Halliburton Energy Service,s Inc.
Smith Matthew J.
Youst Lawrence R.
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