E21B33/1243

METHODS FOR DEPLOYMENT OF EXPANDABLE PACKERS THROUGH SLIM PRODUCTION TUBING

A method includes wrapping a packer bag around a deployment tool, providing at least one canister in fluid communication with the packer bag, sending the packer bag around the downhole tool to a downhole location in a well, and injecting a polymer filler material from the at least one canister into the packer bag until the packer bag expands to seal the downhole location.

Annular barrier with pressure amplification

The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and an inside wall of a borehole for providing zone isolation between a first zone and a second zone of the borehole, comprising a tubular part for mounting as part of the well tubular structure and having an expansion opening, an expandable sleeve surrounding the tubular part, each end of the expandable sleeve being connected with the tubular part, and an annular barrier space between the tubular part and the expandable sleeve, wherein the annular barrier further comprises a pressure intensifying means having an inlet in a first end in fluid communication with the expansion opening and having an outlet in a second end in fluid communication with the annular barrier space.

Method and apparatus for zonal isolation and selective treatments of subterranean formations
09719336 · 2017-08-01 · ·

A zonal isolation and treatment tool having a reversible fluid booster pump with a reversible motor, both an upper isolation and a lower isolation packer having an elastic surface, a treatment fluid distributor that provides selective fluid access and an electronics control package that couples to the reversible motor. The method includes introducing the tool into the well bore, inflating the upper and lower isolation packers using well bore fluid, introducing the treatment fluid into the well bore such that it is positioned proximate to the tool, operating the tool such that the treatment fluid is introduced into the isolated well bore volume, and maintaining the isolated well bore volume such that the targeted stratum forms a treated stratum.

SWELLGUARD ER ISOLATION TOOL
20170268308 · 2017-09-21 ·

Methods and devices for multi-interval zonal isolation are disclosed. An isolation tool assembly adapted to provide zonal isolation includes a tubular member, a swellable packer disposed around the tubular member, and a plurality of rubber elements disposed around the tubular member. The isolation tool assembly further includes a sliding sleeve disposed within the tubular member, wherein the sliding sleeve is operable to slide in response to an annular pressure differential. The isolation tool assembly further includes a top sub coupled to the tubular member and adjacent one or more expansion devices, and a bottom sub coupled to the tubular member.

Annular barrier

An annular barrier configured to be arranged on an outer face of a well tubular metal structure for providing zonal isolation in an annulus downhole, includes an annular space defined by a first expandable metal sleeve part and a second expandable metal sleeve part. The first expandable metal sleeve part having an outer face configured to face away from the outer face of the well tubular metal structure and the second expandable metal sleeve part having an outer face configured to face the outer face of the well tubular metal structure when arranged around the well tubular metal structure. The annular barrier further includes a first inner annular sealing element arranged on the outer face of the second expandable metal sleeve part configured to seal between the second expandable metal sleeve part and the well tubular metal structure.

Mechanical flow assembly

Aspects of the present disclosure relate to an expandable packer assembly that includes a mechanical flow assembly. In some embodiments, the mechanical flow assembly includes a fluid arm that directs a flow of fluid into an expandable element to inflate the expandable element, and a support arm that provides support to the fluid arm during inflation of the expandable element. In some embodiments, the mechanical flow assembly is rotatably coupled to a piston and a packer conduit of the expandable element via linkages.

Method of minimizing immiscible fluid sample contamination

A method of formation fluid sampling that includes setting a dual packer tool in a wellbore. The dual packer tool is used to isolate an interval between an upper packer and a lower packer. The method also includes drawing fluid from the interval with a lower inlet, until an oil fraction increases over a base line reading, and drawing oil from by pumping at a low rate with an upper inlet.

DOWNHOLE COMPLETION SYSTEM
20220195832 · 2022-06-23 ·

The present invention relates to a downhole completion system for isolating several zones in a well having a top, comprising a well tubular metal structure arranged in a borehole having an inner face in the well, and a first annular barrier, a second annular barrier and a third annular barrier, each annular barrier comprising a tubular metal part, the tubular metal part being mounted as part of the well tubular metal structure, an expandable metal sleeve surrounding the tubular metal part, each end section of the expandable metal sleeve being connected with the tubular metal part, an annular barrier space between the tubular metal part and the expandable metal sleeve, and an expansion opening in the tubular metal part and a fluid channel fluidly connecting the expansion opening and the annular barrier space through which pressurised fluid passes for expanding the expandable metal sleeve and bringing the annular barrier from an unexpanded position to an expanded position, wherein the second annular barrier is arranged in between the first annular barrier and the third annular barrier, and the second annular barrier is configured to expand at a lower pressure than the first and third annular barriers. The invention also relates to a downhole completion method for completing a downhole completion system.

PRESSURE METER TESTING APPARATUS AND METHOD

Embodiments provide a pressure meter testing apparatus and method that allows operations/engineers the ability to determine in-situ stiffness values of geological stratum.

Downhole completion system
11739608 · 2023-08-29 · ·

A downhole completion system includes a well tubular metal structure having an inner face, and a first, second and third annular barriers, each annular barrier having a tubular metal part mounted as part of the well tubular metal structure, an expandable metal sleeve surrounding the tubular metal part, each end section of the expandable metal sleeve being connected with the tubular metal part, an annular barrier space between the tubular metal part and the expandable metal sleeve, and an expansion opening in the tubular metal part and a fluid channel fluidly connecting the expansion opening and the annular barrier space through which pressurised fluid passes for expanding the expandable metal sleeve and bringing the annular barrier from an unexpanded position to an expanded position. The second annular barrier is arranged in between the first annular barrier and the third annular barrier, and the second annular barrier is configured to expand at a lower pressure than the first and third annular barriers.