Abstract: A subsea containment system for capturing fluids leaking from a subsea well includes a clamping assembly and a storage system. The clamp assembly includes an annular clamp body configured to be disposed about the upper end of the well and a fluid outlet extending from the clamp body. The fluid outlet is in fluid communication with an inner cavity of the clamp body. The storage system is coupled to the fluid outlet of the clamping assembly. The storage system includes a first storage tank having an inlet in fluid communication with the inner cavity of the clamp body and a plurality of vertically spaced outlets.

Abstract: A method for forming a transducing head having a magnetic writer includes forming a pedestal adjacent to a writer pole and a gap layer, depositing a front shield on the pedestal, etching the front shield, and depositing a backfill layer upon the front shield after etching. The front shield has a controlled thickness upon etching.

Abstract: A subsea containment system for capturing fluids leaking from a subsea well includes a clamping assembly and a storage system. The clamp assembly includes an annular clamp body configured to be disposed about the upper end of the well and a fluid outlet extending from the clamp body. The fluid outlet is in fluid communication with an inner cavity of the clamp body. The storage system is coupled to the fluid outlet of the clamping assembly. The storage system includes a first storage tank having an inlet in fluid communication with the inner cavity of the clamp body and a plurality of vertically spaced outlets.

Abstract: A tunneling magneto-resistive reader includes a sensor stack separating a top magnetic shield from a bottom magnetic shield. The sensor stack includes a reference magnetic element having a reference magnetization orientation direction and a free magnetic element having a free magnetization orientation direction substantially perpendicular to the reference magnetization orientation direction. A non-magnetic spacer layer separates the reference magnetic element from the free magnetic element. A first side magnetic shield and a second side magnetic shield is disposed between the top magnetic shield from a bottom magnetic shield, and the sensor stack is between the first side magnetic shield and the second side magnetic shield. The first side magnetic shield and the second side magnetic shield electrically insulates the top magnetic shield from a bottom magnetic shield.

Abstract: A method for capping a subsea wellbore comprises (a) identifying a subsea landing site on the BOP or LMRP for connection of a capping stack. In addition, the method comprises (b) preparing the subsea landing site for connection of the capping stack. Further, the method comprises (c) installing a capping stack on to the subsea landing site. Still further, the method comprises (d) shutting in the wellbore with the capping stack after (c).

Abstract: A tunneling magneto-resistive reader includes a sensor stack separating a top magnetic shield from a bottom magnetic shield. The sensor stack includes a reference magnetic element having a reference magnetization orientation direction and a free magnetic element having a free magnetization orientation direction substantially perpendicular to the reference magnetization orientation direction. A non-magnetic spacer layer separates the reference magnetic element from the free magnetic element. A first side magnetic shield and a second side magnetic shield is disposed between the top magnetic shield from a bottom magnetic shield, and the sensor stack is between the first side magnetic shield and the second side magnetic shield. The first side magnetic shield and the second side magnetic shield electrically insulates the top magnetic shield from a bottom magnetic shield.

Abstract: A tool for separating a first flange from a second flange comprises an annular body disposed about a central axis and defining a flange capture cavity. In addition, the tool comprises a plurality of circumferentially-spaced wedge members moveably coupled to the body. Further, the tool comprises a first actuation assembly configured to move each wedge member from a first position radially withdrawn from the capture cavity to a second position radially advanced into the capture cavity.

Abstract: A tool for removing a first flange from a second flange comprises a housing having a central axis, a first end, and an open second end opposite the first end. The housing also includes a first access port extending radially therethrough. In addition, the tool comprises an annular basket grapple coaxially disposed within the second end of the housing and configured to coaxially receive and engage a first flange. The basket grapple has a first end, a second end opposite the first end, and a cutout extending radially therethrough. The outer surface of the basket grapple includes external threads that engage mating internal threads on the inner surface of the housing. Further, the tool comprises a key releasably coupled to the housing. The key is configured to selectively prevent relative rotation between the basket grapple and the housing.

Abstract: A magnetoresistive device includes a free layer, a separating layer, a pinned layer, and a magnetic stabilizer in close proximity to the pinned layer, wherein the magnetic stabilizer may enhance the stability of the magnetization direction of the pinned layer.

Abstract: A magnetoresistive device includes a free layer, a separating layer, a pinned layer, and a magnetic stabilizer in close proximity to the pinned layer, wherein the magnetic stabilizer may enhance the stability of the magnetization direction of the pinned layer.

Abstract: A tunneling magneto-resistive reader includes a sensor stack separating a top magnetic shield from a bottom magnetic shield. The sensor stack includes a reference magnetic element having a reference magnetization orientation direction and a free magnetic element having a free magnetization orientation direction substantially perpendicular to the reference magnetization orientation direction. A non-magnetic spacer layer separates the reference magnetic element from the free magnetic element. A first side magnetic shield and a second side magnetic shield is disposed between the top magnetic shield from a bottom magnetic shield, and the sensor stack is between the first side magnetic shield and the second side magnetic shield. The first side magnetic shield and the second side magnetic shield electrically insulates the top magnetic shield from a bottom magnetic shield.

Abstract: A magnetoresistive device includes a free layer, a separating layer, a pinned layer, and a magnetic stabilizer in close proximity to the pinned layer, wherein the magnetic stabilizer may enhance the stability of the magnetization direction of the pinned layer.

Abstract: A tunneling magneto-resistive reader includes a sensor stack separating a top magnetic shield from a bottom magnetic shield. The sensor stack includes a reference magnetic element having a reference magnetization orientation direction and a free magnetic element having a free magnetization orientation direction substantially perpendicular to the reference magnetization orientation direction. A non-magnetic spacer layer separates the reference magnetic element from the free magnetic element. A first side magnetic shield and a second side magnetic shield is disposed between the top magnetic shield from a bottom magnetic shield, and the sensor stack is between the first side magnetic shield and the second side magnetic shield. The first side magnetic shield and the second side magnetic shield electrically insulates the top magnetic shield from a bottom magnetic shield.

Abstract: A method for forming a transducing head having a magnetic writer includes forming a pedestal adjacent to a writer pole and a gap layer, depositing a front shield on the pedestal, etching the front shield, and depositing a backfill layer upon the front shield after etching. The front shield has a controlled thickness upon etching.

Abstract: A magnetoresistive stack includes a free layer, a separating layer, a pinned layer, and a magnetic stabilizer in close proximity to the pinned layer such that such that the magnetic stabilizer enhances the stability of the magnetization direction of the pinned layer.

Abstract: A transducing head has a magnetoresistive sensor, a first bias element, and a second bias element. The magnetoresistive sensor is positioned between the first and second bias elements, and has a sensor width. The first bias element has a first length and the second bias element has a second length. The direction of the first and second lengths are substantially similar to the direction of the sensor width. The first and second lengths in the range of about one-tenth to about twenty times the sensor width.

Abstract: A transducing head has a magnetoresistive sensor, a first bias element, and a second bias element. The magnetoresistive sensor is positioned between the first and second bias elements, and has a sensor width. The first bias element has a first length and the second bias element has a second length. The direction of the first and second lengths are substantially similar to the direction of the sensor width. The first and second lengths in the range of about one-tenth to about twenty times the sensor width.

Abstract: A magnetic sensor and method for making the sensor are disclosed. The sensor includes a giant-magnetoresistive sensing layer having a ferromagnetic free layer and a hard bias layer to maintain the free layer in a single-domain state or to stabilize the free layer. The hard bias layer has a coercivity of at least 2,000 Oe and a magnetic remnance times thickness at least twice the value of the saturation magnetization times thickness of the free layer. The hard bias layer includes a permanent magnetic layer formed on top of a seed layer made of the alloy TiW or other similar alloys. The seed layer may also be a bi-layer having a layer of TiW or ther similar alloys and a layer of soft magnetic material, with the former in contact with the permanent magnetic layer.