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WO/2017/173522A1 |
A tool for launching wiper plugs into a casing string in a gas or oil well during cementing operations employs a collet-like mechanism carrying radially-movable jaws arranged to retain a plug in a fluid flow path when the tool is in a cl...
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WO/2017/174486A1 |
The invention relates to a counter hold system (4) for a drilling system, comprising an axially and/or radially flexible, preferably tubular, bellows (401) with two annular openings, and a cylinder body (403) which is axially movable in ...
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WO/2017/174488A1 |
The invention relates to a magnetic propulsion system (6) to exert a forward thrust and/or a counter hold on the drill components of a drilling system, wherein the drill components are or can be tightly coupled to a tubular member (604) ...
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WO/2017/168171A1 |
A coupling apparatus (10) configured to be positioned between an upper end of a tubing string (12) and a top drive (64) is described. The apparatus (10) is configured to be held in position between the upper end of the tubing string (12)...
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WO/2017/173305A1 |
Aspects of magnetic gradient drilling are described. In one embodiment, a system includes a drill pipe, drilling fluid, and a magnetic assembly tool connected to or integrated with the drill pipe. Among other elements, the magnetic assem...
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WO/2017/164869A1 |
The disclosed embodiments include a coupler assembly and method for conveying a single piece liner hanger body. In one embodiment, the coupler assembly includes a nut, a load transfer sleeve, a locking dog retainer, a garter spring, a lo...
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WO/2017/162816A1 |
Disclosed are a method and a device for servicing a section of a vertical pipe. The method involves the following steps: - moving a robot/carrier (33) to the substantially vertical section (15); - ascertaining the orientation of the robo...
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WO/2017/160451A1 |
An actuation configuration including a baffle having an opening, a plug comprising a plug material extrudable into the opening and compactable therein to hold a differential across the baffle. A borehole system including a housing, a sea...
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WO/2017/160265A1 |
A subsurface tool adapted to extend within a wellbore includes an integrally formed single-component body that defines an external surface and an internal chamber isolated from the external surface. When the tool is subjected to one or m...
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WO/2017/155503A1 |
A reclosable multi-zone isolation tool including a piston assembly with a lock out feature. The tool has an outer and inner tubular having an annular flow path defined there between, and a central flow path defined by the inner tubular. ...
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WO/2017/155412A1 |
The invention is a petroleum well tracer injection and monitoring method comprising the steps of providing a one or more curable liquid doped with one or more tracer, arranging said one or more liquid in an intervention liquid injecting ...
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WO/2017/155868A1 |
A deformable downhole article for use in a wellbore includes a tubular component configured for placement in a wellbore, a deformable material disposed around an outer surface of the tubular component, and an electrically conductive elem...
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WO/2017/155517A1 |
Methods, compositions, and tools for use in creating rapidly forming plugs in situ in subterranean formations. In one instance, the disclosure provides a method that includes: placing a first pill comprising a calcium-aluminate-based cem...
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WO/2017/155502A1 |
A method of protecting a nipple profile of a downhole tool that forms a portion of a tubing string and that is exposed to through-tubing completion operations includes securing a single-trip protective sleeve to the tool so that the slee...
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WO/2017/150982A1 |
A subsea well equipment landing body (1) comprising an indicator assembly to indicate landing of the landing body or to indicate locking of the landing body. The indicator assembly has a stem bore (7), a sliding stem (11) within the stem...
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WO/2017/148616A1 |
A self-adjusting lockdown assembly (300) for engaging and/or preloading a tubular hanger (31) to an interior of a wellhead housing. The lockdown assembly includes a support sleeve (310), a body received in the support sleeve (320), an el...
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WO/2017/151092A1 |
An expandable liner hanger system and method of installing same. In an exemplary embodiment, the method includes positioning the expandable liner hanger system within a casing string, the expandable liner hanger system including a settin...
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WO/2017/151099A1 |
In accordance with presently disclosed embodiments, systems and methods for actuating a downhole tool using an improved low load collet are provided. The disclosed low load collet may include a multi-angle profile that enables the collet...
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WO/2017/151118A1 |
Swellable packer assemblies, and associated systems and methods are described for operation in connection with a subterranean wellbore. The swellable packer assemblies may include a shroud for maintaining a sealing element in a fully ina...
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WO/2017/151384A1 |
A plug apparatus comprises a wedge, a sealing ring, and a slip. The wedge comprises an axial wedge bore. A seat is defined in the wedge bore. The seat is adapted to receive a ball. The wedge has a tapered outer surface which decreases in...
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WO/2017/142415A1 |
The invention relates to a downhole tractor comprising a hydraulic supply line (200, 300) for actuating hydraulic components (160-1..160-4, 170-1..170-4). The downhole tractor further comprises a hydraulic power pack (100) coupled to the...
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WO/2017/139482A1 |
A device and method for an expandable anchor sleeve. An expandable anchor sleeve may comprise a front-end and a back-end for a wellbore comprising a base casing. The expandable anchor sleeve may further comprise an anchoring element havi...
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WO/2017/138817A1 |
A well tractor drive section comprising - a drive section body (0) with main central axis (0x), with - first and second drive wheels (10A, 10B) on the outer ends of first and second wheel arms (12A, 12B); - inner ends of said wheel arms ...
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WO/2017/139634A1 |
A hydraulically operated downhole tool located at a depth where control line hydrostatic pressure would normally set the tool is temporarily isolated from hydrostatic pressure and changes thereto from well exposure or downhole operations...
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WO/2017/137781A1 |
A method for retrofitting a deployable component which includes a tracer constituent within a wellbore comprises deploying the deployable component into the wellbore, and securing the deployable component at a location within the wellbor...
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WO/2017/137465A1 |
The present invention relates to a downhole device for being moved downwards in a well by fluid to assist stimulation of a production zone of the well, the well comprising a well tubular structure having a first opening and a first movab...
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WO/2017/135941A1 |
Disclosed are various to blockage remediation systems for removing blockages, e.g., hydrate plugs, debris plugs, etc., from subsea flowlines and subsea equipment. In one illustrative embodiment, the system includes, among other things, a...
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WO/2017/135934A1 |
Degradable downhole tools that include a doped aluminum alloy may degrade via a galvanic mechanism. More specifically, such a degradable downhole tool may comprise at least one component of the downhole tool made of a doped aluminum allo...
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WO/2017/136469A1 |
A slip for a downhole sealing device includes a plurality of slip segments angularly disposed about a central axis, each slip segment including, a body, and a plurality of engagement members molded or cast at least partially within the b...
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WO/2017/127885A1 |
A system (10) and method (50) of enabling the acquisition of borehole survey data and core orientation data in a single instrument trip in a core drill (12) having a drill string (18) and an inner core barrel assembly (16). The method us...
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WO/2017/127075A1 |
A downhole wellbore isolation tool includes an elastomeric sealing element for engaging a casing member or another tubular member in a wellbore. The isolation tool includes one or more expandable slips for gripping the tubular member and...
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WO/2017/123198A1 |
A wellbore isolation device includes an elongate mandrel, a sealing element carried by the mandrel, and a slip wedge positioned about the mandrel axially adjacent the sealing element and providing an outer radial surface. A set of slip s...
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WO/2017/123447A1 |
A gravel pack system can include a manifold having at least three flow passages isolated from each other, with each of the passages intersecting a same lateral cross-section. A method can include displacing a service string, thereby cont...
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WO/2017/118858A1 |
A downhole disconnect tool (10) is configured to form part of a downhole tool assembly (100) which is run into a borehole (B) as part of a tool string (1000), such as a drill string, the disconnect tool (10) being operable to permit part...
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WO/2017/119868A1 |
A technique facilitates construction and use of a liner hanger able to better distribute loading. The liner hanger is assembled with a cone and a plurality of slips slidably mounted with respect to the cone. The cone is constructed with ...
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WO/2017/119823A1 |
The present invention relates to a slick line and/or fibre optic cable pulling wellbore and/or tubing pulling tool including a propulsion module (64) having a main section (1 ) and a hinged propulsion arm (2). A propulsion wheel (6) with...
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WO/2017/116970A1 |
A method of providing optical fiber in a wellbore may include lowering a spindle holding the optical fiber through the wellbore and anchoring a distal end of the optical fiber in the wellbore. The method may also include drawing the opti...
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WO/2017/116409A1 |
Wellbore isolation devices may be produced with wear bands and slips having modified surfaces to change the frictional properties between these components and the surrounding wellbore surface. For example, a wellbore isolation device may...
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WO/2017/116871A1 |
A gasket (80) includes an annular inside portion (148) and an annular outside portion (146) coupled to one another by a stem (150). The annular outside portion is disposed about the annular inside portion. The annular inside portion, the...
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WO/2017/116477A1 |
Various embodiments include methods and apparatus structured to control access from a casing in a borehole. A tool can be provided to allow flow from an inner diameter of a casing to external to the casing based on an alterable material ...
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WO/2017/116418A1 |
An actuation device for well operations can include a tubular body including a plurality of key slots, a threaded shaft disposed within the tubular body that rotates relative to the tubular body and is fixed axially relative to the tubul...
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WO/2017/112884A2 |
An expandable anchor sleeve system for use in a well comprising an expandable anchor sleeve and an expansion device. The sleeve has a sealing element, an anchoring element having a conical shape with the difference between front-end radi...
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WO/2017/106585A1 |
Disclosed is an apparatus and method for providing an activation pressure for a down hole too comprising a tool string having a pressure activated tool located at a distal end thereof, an opening passing through the tool string from an i...
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WO/2017/106807A1 |
Systems and methods are provided for investigating a downhole formation using a nuclear magnetic resonance (NMR) tool having two or more radio frequency receiving coils. While the tool is moving through the borehole, the formation is mag...
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WO/2017/105562A1 |
A technique facilitates use of a liner hanger in many types of borehole applications. The liner hanger is conveyed downhole into a borehole to a target depth. Once at the target depth, the liner hanger may be set by actuating an angled s...
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WO/2017/106395A1 |
The disclosure pertains to engaging a longitudinally slidable sleeve within a well. The apparatus comprises a tool string slidably beatable within said well and a shifting tool slidably beatable within said sleeve at an end of a tool str...
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WO/2017/103645A1 |
Standoff devices and methods of their use are disclosed. In various embodiments, a standoff device includes a spring-loaded core rod whose longitudinal movement causes lateral extension members to extend outward to provide the desired st...
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WO/2017/105807A1 |
A system includes a tubular body that includes a longitudinal axis and a circumference that depends on circumferential stress of the tubular body; a helical strip that includes a turn number about a longitudinal axis that is substantiall...
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WO/2017/100529A1 |
A wellhead hanger assembly is provided. In one embodiment, a system includes a wellhead hanger (22, 42), a running tool (44) coupled to the wellhead hanger, and a torque sleeve (46) positioned to transmit torque from the running tool to ...
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WO/2017/093989A1 |
A system includes a hanger locking assembly configured to lock a hanger (28) within a housing (64) of a wellhead (12). The hanger locking assembly includes an energizing ring (66) having one or more axially-extending passageways (70) con...
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