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:
Mar. 06, 2012
Filed:
Oct. 21, 2010
David B. Allison, Duncan, OK (US);
Timothy Bozeman, Mansfield, TX (US);
Michael Macdonald, Alvarado, TX (US);
Alf K. Sevre, Houston, TX (US);
Earl Webb, Wilson, OK (US);
David B. Allison, Duncan, OK (US);
Timothy Bozeman, Mansfield, TX (US);
Michael MacDonald, Alvarado, TX (US);
Alf K. Sevre, Houston, TX (US);
Earl Webb, Wilson, OK (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A method of sealing an annulus formed between a casing string and a surface in a well may include: positioning a seal element in the annulus with a swellable material of the seal element positioned between the casing string and the surface; and flowing cement through a channel formed between the swellable material and the casing string. A method of sealing in a well may include the steps of: positioning an annular seal element in the well, wherein the element may include a swellable material; and flowing cement into at least one channel formed longitudinally through the seal element. A method of sealing an annulus between two casing strings may include: providing multiple arcuate segments that may include a swellable material; and installing the segments in the annulus, wherein each of the segments may occupy a respective circumferential portion of the annulus.