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:
Aug. 28, 2007
Filed:
May. 20, 2005
Gregory N. Gilbert, Sugar Land, TX (US);
James E. Stone, Porter, TX (US);
Malcolm Douglas Mcgregor, The Woodlands, TX (US);
Christopher Anthony Maranuk, Houston, TX (US);
Kristopher V. Sherrill, Humble, TX (US);
Gregory N. Gilbert, Sugar Land, TX (US);
James E. Stone, Porter, TX (US);
Malcolm Douglas McGregor, The Woodlands, TX (US);
Christopher Anthony Maranuk, Houston, TX (US);
Kristopher V. Sherrill, Humble, TX (US);
Halliburton Energy Services, Inc, Houston, TX (US);
Abstract
A downhole, extendable testing apparatus and methods of use are described and claimed herein. In one embodiment, an extendable sample device is connected to a draw down piston assembly. A position indicator may be used to show the position of the draw down piston during movement, and the draw down piston may be stopped and re-started, and moved at different rates. A filter may be used to clean fluids drawn into the extendable sample device. In another embodiment, the extendable sample device may connected to a hydraulic circuit. The hydraulic circuit may include accumulators for accumulating fluid pressures and operating the apparatus. Further apparatus and methods are disclosed herein.