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Title: Method for reducing water production from a gravel packed well

This patent describes a process for reducing water production from a well having a gravel containing gravel pack traversing a production zone, the gravel pack including a perforated tubing extending through the gravel pack, a screen over a perforate section of the tubing; isolating packers above and below the screen, and gravel packing between the screen and perforated casing adjacent- the production zone, the production zone including a lower water-producing interval and an upper hydrocarbon-producing interval. It comprises: placing a bridge plug within the perforate tubing at a position below the hydrocarbon-producing zone; placing a layer of coarse sand on the bridge plug, the coarse sand having an average particle sized greater than the average particle size of the gravel forming the gravel pack; placing a layer of fine sand over the layer of coarse sand, the fine sand having an average particle size smaller than the average particle size of the gravel forming the gravel pack and filling the tubing to a level at or above the top of the water-producing interval; placing a settable liquid resin through the tubing onto the top of the layer of fine sand, whereby the resin flows outwardly from the tubing to formmore » a layer of resin extending from the tubing through the gravel; and allowing the resin to set, thereby forming a barrier to flow of water from the water-producing zone into the tubing.« less
Authors:
Publication Date:
OSTI Identifier:
5424319
Report Number(s):
US 5090478; A
PPN: US 7-621114
Resource Type:
Patent
Resource Relation:
Patent File Date: 30 Nov 1990
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; OIL WELLS; WELL COMPLETION; WATER; MINIMIZATION; HYDROCARBONS; PARTICLE SIZE; PRODUCTIVITY; SAND; HYDROGEN COMPOUNDS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; SIZE; WELLS 020300* -- Petroleum-- Drilling & Production