National Oilwell Varco, L.p.

Xi Lin Liu

Robert Benjamin Donnally

Yan Yu

Chunqiao Ren

Stuart Arthur Lyall McCurdy

Hui Chun Sheng

Wei Wang

Robert B Donnally

Jay John Thiessen

Peng Yue

A drilling rig having a lift arm, which may be an auxiliary lift arm provided in addition to a primary lifting cable system of the drilling rig. The lift arm may be configured to hoist and/or manipulate drill collar, drill pipe, or other drilling pipe or conduit. The lift arm may be coupled to a mast of the drilling rig and may have a cantilevered boom extending therefrom. The boom may be configured to pivot between alignment, or near alignment, with well center and a racking board. The lift arm may additionally have a pipe engaging element coupled to the boom. The pipe engaging element may be configured to couple to stands or lengths of drilling pipe. The pipe engaging element may be raised and lowered together with or relative to the boom via a lift line controllable via a hydraulic cylinder, winch, or other suitable mechanism for withdrawing and releasing the line.

Pipe handling arm

Bathroom rack

Systems and methods for clearing a top drive from an operational area of the mast such that operations may be performed along the rail without interference from the top drive. Systems and methods of the present disclosure provide for arranging the top drive in a parked configuration outside of, or generally behind, the mast. A guide rail may be arranged within an operational area of a mast and may have a pair of interchangeable rail sections, each of which may be configured for arrangement in either an operating configuration, where the rail section may be positioned within the operational area of the mast to form part of the rail, or a parked configuration, where the rail section may be positioned outside of the operational area. Each interchangeable rail section may be pivotable about an axis and may be arranged on a pivotable gate of the mast.

Devices, systems, and methods for top drive clearing

A system for erecting a drilling rig mast includes a substructure having an open area that is defined therein by two laterally spaced-apart substructure sides and a first mast section that is adapted to be positioned at least partially within the open area of the substructure after the first mast section has been removably connected to the substructure. The system further includes, among other things, a second mast section that is adapted to be removably connected to the first mast section the said first mast section has been removably connected to the substructure, and a mast connection apparatus that is adapted to removably connect the second mast section to the first mast section when an upper end of the first mast section is raised relative to a lower end of the second mast section.

Drilling rig masts and methods of assembly and erection

Systems and methods for rig assembly and for erecting a mast of a rig and such systems with roller apparatus to facilitate movement of a mast section from a mover. In a first embodiment, the method includes erecting a rig mast section on a substructure, the substructure including a first substructure box spaced-apart from a second substructure box, the first substructure box comprising a first upper box above a first lower box and the second substructure box comprising a second upper box above a second lower box.

Drilling rig mast lift systems and methods

Methods for connection parts of a mast of a drilling rig without using a crane or other lifting machine are disclosed. In certain aspects, these methods include moving parts of a mast to be assembled with trucks and positioning the parts with the trucks to facilitate their connection. This Abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Drilling rig masts and methods of assembly and erecting masts

Systems and methods for erecting a drilling rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Drilling rigs and erection methods

Methods and systems for installing a drawworks on a drilling rig, the method, in certain aspects, including moving a drawworks on movement apparatus on the ground adjacent a drill floor of a rig, connecting the drawworks to the drill floor, moving the movement apparatus away from the rig, and raising the drill floor with the drawworks thereon using raising apparatus of a rig substructure supporting the drill floor. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Growing community of inventors

Henan, China

Xi Lin Liu