Comitt Well Solutions LLC

Comitt Well Solutions US Holding Inc.

I-tec As

Nov Completion Tools As

Other

Trican Completion Solutions As

Comitt Well Solutions US Holdings Inc.

Roger Antonsen

Mohamed Ibrahim Saraya

Peter Kris Cleven

Kristoffer Braekke

Eivind Moen

Geir Lunde

Kristoffer Brække

Peter Kris CLeven

Peter Kristian Cleven

Examples of the present disclosure relate to systems and methods for mapping a wellbore for refracturing. More specifically, embodiments are directed towards utilizing downhole pressure data to identify previously untreated clusters, clusters with cross contamination, and clusters with proper zonal isolation with full pressure integrity.

Methods and systems for mapping a wellbore for refracturing

Embodiments disclosed herein describe fracturing methods and systems, wherein pressure differentials and fluid flow rates may be utilized to stimulate multiple zones, sleeves, or ports with the same tool.

System and method for stimulating a well

Examples of the present disclosure relate to systems and methods for utilizing an inner diameter of a tool for jet cutting and hydraulically setting packer.

Methods and systems for utilizing an inner diameter of a tool for jet cutting, hydraulically setting packer and shutting off circulation tool simultaneously

A system for stimulating a well with an annulus formed by a string and a wellbore. The system includes an injection assembly with at least two zone isolation packers configured to set upstream and downstream of a target zone at pressures above a predetermined activation pressure, and unset at pressures below the activation pressure.

The present application describes a velocity chamber to regulate a velocity of fluid between an outer diameter of a piston, and an insert to limit, reduce, etc. erosion against the tool and casing.

Methods and systems for a tool with a chamber to regulate a velocity of fluid between an outer diameter of a piston and an insert

A complementary valve () for a movable string () in a wellbore application, wherein the movable string () comprises: a flow activated valve () configured to open when a flow through a central bore () is less than a predetermined threshold and to close if the flow exceeds the threshold, and a pressure activated device () configured to be activated when an activation pressure, defined as the difference between a bore pressure within the central bore () and an ambient pressure around the string (), is greater than or equal to a first activation pressure and to be deactivated when the activation pressure is less than the first activation pressure. The complementary valve () is configured to open a fluid connection () between the central bore and the ambient wellbore if the activation pressure is less than the first activation pressure, and to close the fluid connection when the activation pressure is equal to or greater than the first activation pressure. Thereby, the complementary valve () ensures that the pressure activated device () is reset after use.

Methods and systems for a complementary valve

A valve for inclusion or insertion in a tubular includes a substantially cylindrical outer valve housing; an inner sliding sleeve mounted axially movable inside the valve housing; and a seat arranged for receiving a drop ball, dart or falling device. The seat is built in such a way that it can partially or completely be removed or drilled out from the valve. The inner sliding sleeve includes a first profile arranged at a first end of the inner sliding sleeve and a second profile arranged at a second end of the inner sliding sleeve, wherein the first profile and the second profile are configured to be engaged with an activating or shifting tool inserted and run in the tubular after the seat has been partially or completely removed or drilled out from the valve in order to operate the valve from an open to a closed position and/or vice versa.

Valve, system and method for completion, stimulation and subsequent re-stimulation of wells for hydrocarbon production

Examples of the present disclosure relate to systems and methods for utilizing an inner diameter of a tool for jet cutting and hydraulically setting packers.

Methods and systems for utilizing an inner diameter of a tool for jet cutting, hydraulically setting packers and shutting off circulation tool simultaneously

Zone isolation is a leading concern for operators that wish to fluidly treat a well. By utilizing a ported sliding sleeve assembly that is highly resistant to leaking after being opened and closed through multiple cycles a wellbore may be accessed at any ported sliding sleeve assembly location without plugging the wellbore below the ported sliding sleeve assembly and will allow any ported sliding sleeve assembly to be accessed in any order.

Fracturing using re-openable sliding sleeves

A system for stimulating a well with an annulus formed by a string and a wellbore, wherein the system includes an injection assembly, a normally closed injection valve, a normally open flow activated bottom valve, a sand control element, a mechanically operated sand control valve, a releasable anchor configured to be set in the wellbore downstream from the sand control valve.

A protective sleeve for a ball activated device, the ball activated device comprising a seat sleeve axially movable between an initial state in which seat defining members are configured to form a fluid tight seal with a ball and a final state in which the seat defining members are allowed to enter into a seat receiving recess such that the ball is permitted to pass. In the initial state, the protective sleeve extends axially from the seat sleeve over the seat receiving recess. The protective sleeve can be connected in the extension of the seat sleeve through a rotation lock, and ensures that particles and scaling do not build up in the seat receiving recess. The invention prevents that particles are collected behind the seat defining members and prevent these and other movable parts from moving. The protective sleeve is thus particularly suitable for applications such as cementing or fracturing.

Protective sleeve for ball activated device

A valve system for providing fluid flow through radial openings disposed along an axial length of a tubular. The tubular comprises at least one valve group containing at least two valves operable by one drop ball. An insete.g. of standard grade steel provided in a harder linerin the opening provides an intermediate small opening for at least the time required to open all the remaining valves in the group. The small opening limits the pressure drop over the valve. When all valves are open, the insetsare eroded away by an abrasive material, e.g. a slurry used for hydraulic fracturing, and permanent full openings are created.

System and method for operating multiple valves

Apparatus for a drop ball activated device, where a ball seat is concentrically and axially slidably disposed within an outer sleeve having a first internal cylindrical surface, wherein the ball seat comprises at least one radially extending lug, which in a first position extends radially inwards from the internal cylindrical surface, thereby defining a first ball seat diameter less than the diameter of the drop ball. The sleeve comprises at least one groove in its internal surface, and the lug may be received in the groove, thereby defining a second ball seat diameter at least as large as the diameter of the drop ball.

Growing community of inventors

Houston, TX, United States of America

Roger Antonsen