公开(公告)号：US20250020059A1

公开(公告)日：2025-01-16

申请号：US18350367

申请日：2023-07-11

Applicant: Halliburton Energy Services, Inc.

Inventor： Christian Reding ,  James Martin Price ,  Anthony Herman VanZuilekom ,  Matthew L. Lee ,  Marcus Ray Hudson ,  David Earl Ball ,  James Cernosek ,  Michael Andrew Pascual

IPC: E21B49/08

Abstract: A downhole tool to be positioned in a wellbore in a subsurface formation. The downhole tool comprises a first rod configured with a first cavity to obtain samples of formation fluid. The downhole tool comprises a translating member configured to shift the first rod from an open position to a closed position to obtain, via the first cavity, a first fluid sample of the formation fluid from a first location in the wellbore.

公开(公告)号：US12241332B1

公开(公告)日：2025-03-04

申请号：US18416433

申请日：2024-01-18

Applicant: Halliburton Energy Services, Inc.

Inventor： David Earl Ball ,  Marcus Ray Hudson ,  Christian Reding ,  James Cernosek ,  Anthony Herman van Zuilekom

IPC: E21B33/124 ,  E21B33/13 ,  E21B47/06 ,  E21B7/04

Abstract: A well interval isolation device is disclosed. The wellbore isolation device may have a plurality of expandable elements that cooperate upon expansion downhole in a wellbore to create multiple isolated well intervals. At least two pairs of expandable elements that are spaced apart on a tool string are usable to create both a primary isolated well interval and at least one isolated guard interval on each of an uphole side and a downhole side of the primary isolated well interval. The isolated guard intervals function to further isolate the primary isolated well interval from surrounding well fluid, thereby allowing a difference between the pressure within the primary isolated well interval and the hydrostatic pressure of the well fluid (i.e., the differential pressure) to safely exceed the maximum differential pressure at which any of the individual expandable elements can operate while simultaneously maintaining isolation of the well intervals.