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:
Jul. 10, 2001
Filed:
Jul. 28, 1999
Curtis G. Blount, Wasilla, AK (US);
David D. Hearn, Anchorage, AK (US);
Atlantic Richfield Company, Plano, TX (US);
Abstract
A downhole assembly for setting a well tool (e.g. packer) comprising a setting tool which has a draw rod made in two portions which are slidably connected to allow relative movement therebetween. The upper portion is releasably latched to the well tool wherein the weight of the well tool is effectively supported by the workstring rather than the draw rod during positioning of the assembly. Upon actuation of the setting tool, the upper portion is released from the well tool thereby allowing movement between the portions to switch the weight of the well tool to the draw rod during the setting of the well tool. By effectively unloading the draw rod during positioning of the assembly, the assembly can be retrieved if necessary without inadvertently setting the well tool or shearing the draw rod.