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:
Sep. 10, 2002
Filed:
Jan. 29, 1999
Sclumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A wellbore ( ) in an earth formation ( ) having a casing ( ) and a plurality of pay or production zones ( ) provided in the formation. A coiled tubing string ( ) from a reel ( ) is injected by an injector ( ) into the wellbore ( ) for first perforating casing section ( ) at each pay zone ( ) in a single pass of the coiled tubing ( ) as shown in FIG. . Next, the coiled tubing ( ) is utilized for hydraulic fracturing each of the pay zones ( ) individually from the lowermost pay zone ( ) to the uppermost pay zone ( ) in a single pass of the coiled tubing ( ). Each pay zone ( ) is isolated for the hydraulic fracturing. An upper packer ( or ) is provided above each of the pay zones for isolation and a lower packer ( ) or sand plug ( ) is utilized for isolating the lower or outermost end of each pay zone ( ). Swab cups ( A, A, B, B) are also utilized for isolation of pay zones.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile