Method of progressively gravel packing a zone
AssigneeHalliburton Energy Services, Inc.
InventorsRoger L. Schultz, Robert K. Michael, Syed Hamid
Life of this patent
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Abstract
A method of progressively gravel packing is provided which enables individual sections of a continuous wellbore portion to be gravel packed in succession. In a described embodiment, multiple well screens are positioned in a wellbore. A continuous portion of the wellbore is isolated using, for example, one or more packers, with the well screens being disposed in the isolated portion. The isolated wellbore portion is then progressively gravel packed in successive individual predetermined sections of the isolated wellbore portion.
Claims71
A method of progressively gravel packing a subterranean wellbore, the method comprising the steps of:
- positioning multiple well screens in the wellbore;
- isolating a continuous portion of the wellbore having the well screens disposed therein;
- and
- progressively gravel packing successive individual predetermined sections of the wellbore portion.
A method of progressively gravel packing a subterranean wellbore, the method comprising the steps of:
- positioning multiple well screens in the wellbore, each of the well screens having a filtering material;
- isolating a continuous portion of the wellbore having the well screens disposed therein;
- flowing a gravel slurry into the wellbore portion;
- and
- opening successive ones of the well screens for fluid flow through the filtering material of the respective well screens.
A method of progressively gravel packing a subterranean wellbore, the method comprising the steps of:
- positioning a tubular string in the wellbore, the tubular string including multiple alternating well screens and valves;
- isolating a continuous portion of the wellbore having the well screens and valves disposed therein;
- and
- opening successive ones of the valves, thereby progressively depositing gravel from the tubular string, through the opened valves, and into corresponding ones of multiple successive predetermined sections of the wellbore.
A method of progressively gravel packing a subterranean wellbore, the method comprising the steps of:
- positioning a tubular string in the wellbore, the tubular string including multiple well screens and valves, each valve being associated with a corresponding well screen;
- isolating a continuous portion of the wellbore having the well screens and valves disposed therein;
- and
- opening successive ones of the corresponding valves and well screens, thereby successively gravel packing preselected sections of the wellbore portion.
A method of progressively gravel packing a subterranean wellbore, the method comprising the steps of:
- positioning a tubular string in the wellbore, the tubular string including a longitudinal slurry delivery flow passage, multiple well screens and at least one selective slurry diversion device;
- isolating a continuous portion of the wellbore having the well screens disposed therein;
- and
- activating the slurry diversion device, in response to predetermined pressure levels in the slurry delivery flow passage, to selectively divert a gravel slurry into successive predetermined sections of the wellbore portion.
Dependencies are inferred from the claim text.