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U.S. Department of Energy
Office of Scientific and Technical Information

Isolation gravel packer

Patent ·
OSTI ID:7229871
A well treatment apparatus is described which consists of: a housing means; a stinger receptacle disposed in the housing means, the stinger receptacle including: an open upper end; and an inner cylindrical seal bore for sealingly receiving a concentric inner tubing string means for delivering a treatment fluid; treatment fluid passage means disposed laterally through the housing means for communicating an interior of the stinger receptacle at an elevation below the seal bore with a well zone to be treated; first and second external seal means, disposed on an exterior of the housing means above and below the treatment fluid passage means, respectively, for sealing between the housing means and a liner bore; and bypass means, disposed in the housing means, for bypassing well fluid around he first and second external seal means as the apparatus is moved longitudinally within a well.
Assignee:
Halliburton Co., Duncan, OK
Patent Number(s):
US 4627488
OSTI ID:
7229871
Country of Publication:
United States
Language:
English