The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 1997
Filed:
Sep. 18, 1995
James D Hendrickson, Carrollton, TX (US);
Dean S O'Neal, Lafayette, LA (US);
Sidney J Guillot, St. Martinville, LA (US);
Ronnie D Finley, New Iberia, LA (US);
Halliburton Energy Services, Inc., Dallas, TX (US);
Abstract
An abrasive slurry delivery apparatus and associated method of using permit repeated and/or extended use of the apparatus in a subterranean wellbore and reduces abrasive wear of the casing during fracturing operations without requiring the disposal of expensive items of equipment after each fracturing operation. In a preferred embodiment, an abrasive slurry delivery apparatus has a tubular crossover member with an internal flow passage and side wall outlet openings, and a tubular protective member with outlet openings aligned with, but axially and circumferentially smaller than, the crossover outlet openings, coaxially disposed within the crossover.