Abstract: A tubular element for a drill stem includes a substantially cylindrical body and two tool joints. Each tool joint is disposed at one end of the body and provided with a threaded portion that can be joined to a complementary element. At least one of the tool joints has a lifting surface that can cooperate with a lifting tool of the element to connect it into a drill stem. The lifting surface has a non-circular cross-section forming an activation zone for a drilling fluid.

Abstract: A tubular has a central axis and includes a first end, a second end, and a radially outer surface extending axially from the first end to the second end. In addition, the tubular includes a first end section at the first end, a second end section at the second end, and a mid-section extending axially from the first end section to the second end section. The first end section includes a first threaded portion and the second end section includes a second threaded portion. Further, the tubular includes an elongate recess extending radially inward from the radially outer surface. The elongate linear recess is positioned along the mid-section axially between the first threaded portion and the second threaded portion. The elongate linear recess has a longitudinal axis oriented parallel to the central axis of the tubular. The tubular also includes an elongate RFID tag seated in the elongate recess.

Abstract: A threaded connection including first and second tubular components configured for exploration or operating a hydrocarbon well; the first tubular component including an external abutment, a male threaded connection portion extended by a non-threaded terminal portion defining an internal abutment at its axial end; the second tubular component including a female end defining at a free end a bearing surface forced against the external abutment, a female threaded connection portion made up with the male threaded connection portion and terminating in an internal shoulder forced against the internal abutment, an initial non-threaded portion connecting the female threaded connection portion to the internal shoulder, which includes a maximum radial interference locally forming a sealing surface located between the male threaded connection portion and the internal abutment, and located at a non-zero distance from the internal abutment, the distance being more than half of an axial distance of the terminal portion.

Abstract: An electromagnetic coupler includes first and second coupling elements for mounting on respective first and second support elements. The first and second coupling elements include respective first and second annular bodies each including a high magnetic permeability material that houses a conductive winding and an open transverse section. The first and second bodies have complementary shapes that when two support elements respectively receiving the first and second coupling elements are coupled, the first and second bodies form a structure enclosing the first and second conductive windings. The first and second conductive windings are respectively positioned in the first and second bodies such that respective surfaces of the first and second conductive windings are substantially parallel when two support elements respectively receiving the first and second coupling elements are coupled.

Abstract: A tubular has a central axis and includes a first end, a second end, and a radially outer surface extending axially from the first end to the second end. In addition, the tubular includes a first end section at the first end, a second end section at the second end, and a mid-section extending axially from the first end section to the second end section. The first end section includes a first threaded portion and the second end section includes a second threaded portion. Further, the tubular includes an elongate recess extending radially inward from the radially outer surface. The elongate linear recess is positioned along the mid-section axially between the first threaded portion and the second threaded portion. The elongate linear recess has a longitudinal axis oriented parallel to the central axis of the tubular. The tubular also includes an elongate RFID tag seated in the elongate recess.

Abstract: A threaded connection for drilling or working hydrocarbon wells includes first and second tubular components with an axis of revolution, each including respective male and female ends. At least one of the male or female ends finishes in a terminal surface including a first abutment surface that can come into interfering contact when the connection is made against a second abutment surface provided on a shoulder produced on an opposing tubular component male or female end. At least one of the first and second abutment surfaces is hollowed out by a groove, defining an exterior abutment zone and an interior abutment zone. In the connection made state, the exterior and interior abutment zones are not coplanar, such that contact pressure of the interior abutment zone exerted in a vicinity of the groove is greater than or equal to a minimum value for contact pressure exerted in the exterior abutment zone.

Abstract: A piping is provided with an RFID tag for identifying the piping, wherein the piping comprises a first end section for being coupled to a second piping and a second end section for being coupled to a third piping. The piping further comprises a mid-section in between the end sections. The RFID tag is provided in an elongate recess that is formed in the piping and that extends in a tangential direction parallel to a surface of the mid-section of the piping.

Abstract: A drill-string liner element includes at least one hardbanding layer. The hardbanding layer includes one or more strands of filler metal, each having a width between 1 and 5 millimeters and deposited in adjacent manner to form a substantially continuous layer over a zone of the element. The hardness in the thickness of the layer varies by less than 10 HRC over the zone.

Abstract: A landing pipe includes a first tool joint, a second tool joint, and a main section extending from the first tool joint to the second tool joint, the main section having a first portion and a second portion. The first tool joint outer diameter is greater than both the main section first portion outer diameter and the main section second portion outer diameter. The main section first portion wall thickness is greater than the main section second portion wall thickness, and the main section second portion has a length range of 40% to 85% of an overall length of the landing pipe.

Abstract: A breech lock wireline connector for connecting tools to a wireline inserted into a well bore. The connector has a housing with an axially movable plunger within the housing and each being in axial alignment. A spring is used for biasing the plunger axially toward and into engagement with the breech pin. The breech pin is selectively engageable and disengageable into lock and unlock positions, respectively, with the plunger and the housing. The plunger rotates the breech pin axially between the lock and unlock positions. A latch is provided for latching the plunger and breech pin in the lock position.

Abstract: A vibratory separator for separating components of material introduced to the vibratory separator, the vibratory separator in one particular aspect being a shale shaker, the vibratory separator including a basket for holding screening apparatus, the basket having two sides spaced-apart by a first end at which the material is introduced into the basket and a second end spaced-apart from the first end, components separated from the material exiting the basket from the second end, vibrating apparatus connected to the basket for vibrating the basket, screening apparatus mounted in the basket, the screening apparatus having at least a first portion and a second portion, the first portion at the first end of the screen and the first portion lower in the basket than the second portion, receptacle apparatus below the screening apparatus for receiving material components flowing through the screening apparatus, maintenance apparatus for maintaining height of a portion of the screening apparatus, and a pool of the mate

Abstract: A screen which in at least certain aspects has at least one layer of screening material, at least one ramp formed on the at least one layer of screening material, and the at least one ramp having an upwardly projecting portion and also a lower portion or piece connected to the at least one layer of screening material, the at least one ramp positioned on the at least one layer of screening material normal to transverse to or at an angle to a direction of fluid to be flowed over the screen so that at least a portion of the fluid will pass up and over the upwardly projecting portion, the fluid, in one aspect, having solids entrained therein to be separated from the fluid by the screen.

Abstract: A conveyor for a centrifuge and a centrifuge with such a conveyor, the conveyor having a plurality of spaced-apart flight members spaced apart along its length, a plurality of support members extending between, and connected to the flight members, the support members spaced-apart around the flight members, the members and support members defining a plurality of open areas through which fluid to be treated by the centrifuge is flowable from within the conveyor out into the bowl. In one aspect, a fluid velocity decreasing chamber is provided between an exit tube end and impeller apparatus for radially accelerating the fluid with the conveyor. In certain aspects the open “caged” conveyor structures diffuses fluid flow from the conveyor so that a dispersed unfocused flow of fluid exits the conveyor into the bowl, and, in one particular aspect with feed from within the conveyor to space adjacent a beach area of the bowl.

Abstract: A support for a screen assembly for a vibratory separator, a screen assembly with such a support, a vibratory separator with one or more such screen assemblies, and a method of using such a screen assembly, such a support having a body, a first series of holes through the body each hole having a first opening size as viewed from above, a second series of holes through the body each hole with a second opening size as viewed from above, the second series of holes at a selected area of the body and the support positionable in a vibratory separator so that the selected area is adjacent a selected location with respect to the vibratory separator, and the second opening size smaller than the first opening size and/or the second series of holes with holes spaced apart differently than the holes of the first series of holes; and in one aspect, a plastic grid with such hole series for fusing together layers of screening material.

Abstract: A screen assembly for a vibratory shaker, the screen assembly including at least two screening members, and the at least two screen members connected by sewing material. In one aspect of such a screen assembly the sewing material is thread in a stitch pattern across the at least two screening members, a pattern of expandable material on and corresponding to the stitch pattern, and the thread passing through holes in the pattern of expandable material, the expandable material expanded within the holes following extraction of a needle therefrom, the needle used to apply the sewing material, to inhibit tearing of either of the at least two screening members between holes.

Abstract: A coiled tubing slip connector for connection to the end of coiled tubing to be inserted into a well bore. The connector provides both rigid connection to withstand impact and torsional forces encountered within a well bore and yet permits disconnection from the tubing without damaging the connector. Hence, the connector may be reused.

Abstract: An apparatus for handing a waste material is disclosed. Generally, the apparatus comprises a pump mounted within a container. The container has disposed thereon a rail member. The apparatus also contains a trolley mounted on the rail. The trolley has operatively associated therewith a handling system that has attached thereto the pump. The pump has an impeller assembly that pumps the waste material from the container. The impeller assembly contains a first and second rotor blade. A process device may be included that is attached to the handling system. A process for handling a discharged waste slurry is also disclosed.

Abstract: A screen assembly has been invented which has a base, at least one layer of screening material on the base, and at least one ramp formed in the at least one layer of screening material.

Abstract: Ram seal units for attachment to the rams of blowout preventers incorporate an integral ram seal block having a central web, with a parallel rectangular elastomer support plates extending from opposite sides of the integral ram seal block. The central web is perforate to permit its interlocked relation with elastomer sealing material that is molded to ram seal block. The generally rectangular elastomer support plates define outer face surfaces that remain exposed after the molding operation has been completed. These outer face surfaces of the elastomer support plates are adapted to be disposed in intimate face-to-face relation with internal wall surfaces of ram seal receptacles that are provided within BOP ram elements. Each of the rectangular elastomer support plates defines a pair of spaced retainer receptacles which receive a respective retainer element of a BOP ram to secure the ram seal units in retained relation within one of the ram seal receptacles of a BOP ram element.

Abstract: A method for separating fluid from a mixture of fluid and fibrous lost circulation material, the method including introducing the mixture onto a screen assembly that is vibrating for passage of the fluid through the screen assembly and for separation of fibrous lost circulation material from the fluid, the screen assembly comprising a plurality of screens one on top of the other and including at least a first screen and a second screen, one of the screens with comprising a screen mesh woven with non-square openings as viewed from above.