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. 29, 2004
Filed:
Feb. 08, 2002
Michael Charles Spencer, Melton Mowbray, GB;
Simon Christopher Ash, Newark, GB;
Michael John Chaplain, Nuneaton, GB;
Reeves Wireline Technologies Limited, Loughborough, GB;
Abstract
An apparatus and method for deploying a so-called compact battery/memory logging tool, for acquiring data in deviated or horizontal wells in the oil and gas well data logging industry. A drillpipe assembly ( ) includes a drillpipe ( ) having secured at a downhole end thereof a delatching latching sub ( ) containing an extendable running sub ( ) supporting a battery/memory logging tool ( ). The running sub ( ) occupies an initial, retracted position during deployment of the drillpipe ( ), whereby the logging tool ( ) is protected within one or more drillpipe stands. The running sub is movable by a messenger ( ) to a second, extended position in which its logging tool ( ) protruding from the drillpipe ( ). The drillpipe assembly may therefore be used to protect the logging tool ( ) during running in operations; and then to extend the logging tool permit commencement of logging operations.