Cameron International Corporation

Other

Juan Carlos Gonzalez

Brandon Blake Shirley

Craig L Cotton

Pheng Aun Soh

Edward L Ganzinotti, Iii

Timothy Phythian

A wellhead assembly with an external test port for testing a primary seal at an interface of a wellhead and a base. The assembly includes unique architecture with a secondary seal provided adjacent the primary. In this manner, testing of the primary seal from an external location may proceed without concern over a false indication of primary seal failure. That is, for circumstances where a more interior side of the seal fails under pressure testing even though an outer face of the seal might remain in sealing engagement, the secondary seal would ensure that the outer sealing engagement is detected. As a result, a practical manner of testing the wellhead seal from an external location without the need of plugging the wellbore is provided.

Wellhead assembly and test sealing architecture

A wellhead assembly with a gripping device for securing multiple components of the wellhead assembly is provided. In one embodiment, a system includes a wellhead housing mounted above a hollow body, such that an axial bore extends through the wellhead housing and the hollow body, and a wellhead hanger positioned within the axial bore. The system also includes a clamp that provides a first grip that secures the wellhead housing to the hollow body and a second grip that secures the wellhead hanger within the axial bore. The second grip includes elastic deformation, via the clamp, of at least one of the wellhead housing or the hollow body into tight engagement with an exterior of the wellhead hanger to secure the wellhead hanger at the location within the axial bore. Additional systems, devices, and methods are also disclosed.

Double grip retention for wellbore installations

A method for snubbing a wellhead hanger into a wellhead is provided. In one embodiment, a snubbing method includes snubbing a tubing hanger into a wellhead housing from a snubbing unit. Snubbing the tubing hanger into the wellhead housing can include lowering the tubing hanger into a bore of the wellhead housing under pressure and allowing fluid in the bore to pass along an exterior of the tubing hanger to balance fluid pressure above and below the tubing hanger as the tubing hanger is lowered. The tubing hanger can be positioned at a location in the bore of the wellhead housing, which can be elastically deformed to grip and secure the tubing hanger at the location in the bore. Additional methods, systems, and devices are also disclosed.

Snub friendly wellhead hanger

A wellhead hanger assembly is provided. In one embodiment, a system includes a wellhead hanger, an inner sleeve coupled to the wellhead hanger, a running tool coupled to the inner sleeve, and an outer sleeve coupled to the running tool. The outer sleeve may be positioned to transmit torque from the running tool to the wellhead hanger, and the wellhead hanger may be in castellated engagement with the outer sleeve via a set of castellations and mating slots. Additional systems, devices, and methods are also disclosed.

Growing community of inventors

Houston, TX, United States of America

Juan Carlos Gonzalez