Abstract: An apparatus and method for helically installing a vortex-induced vibration (VIV) suppression fin about a tubular. The apparatus may include an outer ring member dimensioned to encircle an underlying tubular and an inner ring member positioned concentrically inward from the outer ring member. The inner ring member is configured to rotate with respect to at least one of the outer ring member or the tubular as the outer ring member moves along the tubular. The apparatus may further include a fin guide configured to receive a fin and helically position the fin along the tubular as the inner ring member rotates. A method of installing a vortex-induced vibration (VIV) suppression fin about a tubular may include removably attaching a VIV suppression fin to an installation member. The installation member may be positioned along a tubular and moved about the tubular to helically position the fin around the tubular.

Abstract: An apparatus and method for helically installing a vortex-induced vibration (VIV) suppression fin about a tubular. The apparatus may include an outer ring member dimensioned to encircle an underlying tubular and an inner ring member positioned concentrically inward from the outer ring member. The inner ring member is configured to rotate with respect to at least one of the outer ring member or the tubular as the outer ring member moves along the tubular. The apparatus may further include a fin guide configured to receive a fin and helically position the fin along the tubular as the inner ring member rotates. A method of installing a vortex-induced vibration (VIV) suppression fin about a tubular may include removably attaching a VIV suppression fin to an installation member. The installation member may be positioned along a tubular and moved about the tubular to helically position the fin around the tubular.

Abstract: An apparatus and method for helically installing a vortex-induced vibration (VIV) suppression fin about a tubular. The apparatus may include an outer ring member dimensioned to encircle an underlying tubular and an inner ring member positioned concentrically inward from the outer ring member. The inner ring member is configured to rotate with respect to at least one of the outer ring member or the tubular as the outer ring member moves along the tubular. The apparatus may further include a fin guide configured to receive a fin and helically position the fin along the tubular as the inner ring member rotates. A method of installing a vortex-induced vibration (VIV) suppression fin about a tubular may include removably attaching a VIV suppression fin to an installation member. The installation member may be positioned along a tubular and moved about the tubular to helically position the fin around the tubular.

Abstract: An apparatus and method for helically installing a vortex-induced vibration (VIV) suppression fin about a tubular. The apparatus may include an outer ring member dimensioned to encircle an underlying tubular and an inner ring member positioned concentrically inward from the outer ring member. The inner ring member is configured to rotate with respect to at least one of the outer ring member or the tubular as the outer ring member moves along the tubular. The apparatus may further include a fin guide configured to receive a fin and helically position the fin along the tubular as the inner ring member rotates. A method of installing a vortex-induced vibration (VIV) suppression fin about a tubular may include removably attaching a VIV suppression fin to an installation member. The installation member may be positioned along a tubular and moved about the tubular to helically position the fin around the tubular.

Abstract: An apparatus and method for helically installing a vortex-induced vibration (VIV) suppression fin about a tubular. The apparatus may include an outer ring member dimensioned to encircle an underlying tubular and an inner ring member positioned concentrically inward from the outer ring member. The inner ring member is configured to rotate with respect to at least one of the outer ring member or the tubular as the outer ring member moves along the tubular. The apparatus may further include a fin guide configured to receive a fin and helically position the fin along the tubular as the inner ring member rotates. A method of installing a vortex-induced vibration (VIV) suppression fin about a tubular may include removably attaching a VIV suppression fin to an installation member. The installation member may be positioned along a tubular and moved about the tubular to helically position the fin around the tubular.

Abstract: A collar for axially positioning a vortex-induced vibration (VIV) suppression device along a tubular is disclosed. The collar has an annular body portion and a plurality of support members extending in a radial direction from the annular body portion. The support members are annularly spaced around the annular body portion such that gaps are formed between the support members, the gaps being dimensioned to receive an auxiliary tubular positioned external to a main tubular around which the annular body portion is positioned.

Abstract: A fairing for suppressing a vortex induced vibration (VIV) of a tubular. The fairing including a tail member dimensioned to suppress a vortex induced vibration of a tubular. The fairing further including an encircling member dimensioned to encircle less than an entire circumference of a tubular, the encircling member being separable from the tail member. The fairing further including a connecting assembly dimensioned to attach the tail member to the encircling member.

Abstract: An apparatus including a body dimensioned to surround a structure capable of experiencing a VIV, the body having a first section and a second section capable of being separated and positioned around the structure. The apparatus further including a blade member extending from the body, the blade member dimensioned to suppress the VIV of the structure when the body is positioned around the structure. A method of suppressing VIV about a structure by positioning a plurality of VIV suppression devices around the structure and wherein the plurality of VIV suppression devices cover less than 70% of a section of the structure.

Abstract: An apparatus including a fairing operable to suppress a vortex-induced vibration of a tubular, the fairing having a body portion and a tail portion that tapers from the body portion to an end portion, the body portion defining an annulus dimensioned to encircle a tubular. The apparatus further including a stabilizing member positioned along the body portion, the stabilizing member being dimensioned to stabilize the fairing along a tubular positioned within the annulus.

Abstract: A vortex-induced vibration (VIV) suppression system configured to accommodate a change in an underlying tubular diameter. The system including an encircling member dimensioned to at least partially encircle an underlying tubular. The encircling member may be, for example, a collar or a VIV suppression device such as a strake, or any other type of VIV suppression device. The system further including a band member dimensioned to encircle the encircling member and hold the encircling member around the underlying tubular at a desired axial position. A spring member may further be provided. The spring member may be positioned between the encircling member and the band member and dimensioned to contract in response to an increase in a diameter of the underlying tubular and expand in response to a decrease in a diameter of the underlying tubular such that the encircling member remains at the desired axial position.

Abstract: A system including a vortex-induced vibration (VIV) suppression device dimensioned to suppress a vortex-induced vibration of a support structure, the VIV suppression device having a base portion that encircles at least a portion of the support structure and a support member formed along the base portion. The system further including a collar having a body portion defining an annular channel and a flange portion extending outwardly from the annular channel, the flange portion dimensioned to form a receiving channel around the support structure for receiving the support member. The support member is received within the receiving channel to secure the VIV suppression device to the support structure and the VIV suppression device is capable of rotating around the support structure along the receiving channel.

Abstract: An apparatus including a fairing operable to suppress a vortex-induced vibration of a tubular, the fairing having a body portion and a tail portion that tapers from the body portion to an end portion, the body portion defining an annulus dimensioned to encircle a tubular. The apparatus further including a stabilizing member positioned along the body portion, the stabilizing member being dimensioned to stabilize the fairing along a tubular positioned within the annulus.

Abstract: An apparatus including a suppression device dimensioned to suppress a vortex induced vibration of a tubular. The apparatus further including an adjustable strap assembly attached to the suppression device, the adjustable strap assembly dimensioned to secure the suppression device to the tubular. Alternatively, the apparatus may include a support arm extending from the suppression device to rotatably attach the suppression device to the tubular, the support arm having a guide member at one end dimensioned to be received by a slot formed around an outer surface of the tubular. A method including positioning a suppression device dimensioned to suppress a vortex induced vibration of a tubular against the tubular and attaching the suppression device to the tubular such that the suppression device is movable about the tubular.

Abstract: A vortex-induced vibration (VIV) suppression device including a body portion dimensioned to surround a structure subject to VIV, the body portion having a first side and a second side separated by a first opening formed along a length dimension one side of the body portion and a second opening formed along the length dimension of another side of the body portion. The device further including a biasing hinge mechanism attached to the first side and the second side at the first opening, the biasing hinge mechanism to bias the first side and the second side toward one another. The device further including a closure mechanism attached to the first side and the second side at the second opening, the closure mechanism to secure the first side and the second side in a closed position around the structure. The device may be installed according to a retrofit installation method.

Abstract: An apparatus including a collar member dimensioned to encircle an underlying tubular and having a modifiable diameter to accommodate a change in a diameter of the underlying tubular. The apparatus further including a band dimensioned to encircle the collar member, the band having a modifiable length capable of changing in response to the tubular diameter change. The collar member may have a first section and a second section. A resilient member may be coupled to the collar member between the first section and the second section. A method including modifying a diameter of a collar member positioned around a tubular in response to a diameter change of the tubular, wherein modifying the diameter comprises changing a size of a resilient member coupled to the collar in response to the change in diameter of the tubular.

Abstract: An apparatus including a fairing having a tail portion and an end portion capable of suppressing a vortex-induced vibration of a tubular. The apparatus further including a stabilizing member attached to the end portion of the fairing, the stabilizing member dimensioned to increase a thickness of the end portion of the fairing and a flange member attached to the stabilizing member, the flange member dimensioned to increase a chord dimension of the fairing so as to improve a stability of the fairing.

Abstract: A vortex-induced vibration (VIV) suppression system configured to accommodate a change in an underlying tubular diameter. The system including an encircling member dimensioned to at least partially encircle an underlying tubular. The encircling member may be, for example, a collar or a VIV suppression device such as a strake, or any other type of VIV suppression device. The system further including a band member dimensioned to encircle the encircling member and hold the encircling member around the underlying tubular at a desired axial position. A spring member may further be provided. The spring member may be positioned between the encircling member and the band member and dimensioned to contract in response to an increase in a diameter of the underlying tubular and expand in response to a decrease in a diameter of the underlying tubular such that the encircling member remains at the desired axial position.

Abstract: A vortex-induced vibration (VIV) suppression system configured to accommodate a change in an underlying tubular diameter. The system including an encircling member dimensioned to at least partially encircle an underlying tubular. The encircling member may be, for example, a collar or a VIV suppression device such as a strake, or any other type of VIV suppression device. The system further including a band member dimensioned to encircle the encircling member and hold the encircling member around the underlying tubular at a desired axial position. A spring member may further be provided. The spring member may be positioned between the encircling member and the band member and dimensioned to contract in response to an increase in a diameter of the underlying tubular and expand in response to a decrease in a diameter of the underlying tubular such that the encircling member remains at the desired axial position.

Abstract: A system including a vortex-induced vibration (VIV) suppression device dimensioned to suppress a vortex-induced vibration of a support structure, the VIV suppression device having a base portion that encircles at least a portion of the support structure and a support member formed along the base portion. The system further including a collar having a body portion defining an annular channel and a flange portion extending outwardly from the annular channel, the flange portion dimensioned to form a receiving channel around the support structure for receiving the support member. The support member is received within the receiving channel to secure the VIV suppression device to the support structure and the VIV suppression device is capable of rotating around the support structure along the receiving channel.

Abstract: A vortex-induced vibration (VIV) suppression device including a body having a wall dimensioned to at least partly envelope a tubular member in an interior area of the body. The device further including a fin protruding outward from an exterior surface of the wall and a stand-off member positioned along an interior surface of the wall. The stand-off member dimensioned to space the body away from the tubular member and having a protruding portion formed by the interior surface of the wall and an indention portion formed by the exterior surface of the wall.