Abstract: A blowout preventer assembly 10 includes opposed rams 12, 14, each including a rubber or elastomer sealing assembly 16, 18, with a plurality of inserts 20 forming an array 22 of metal inserts within each sealing assembly. Each insert has an upper body 24, a lower body 26, and a rib 50. Each upper and lower body includes a trailing face 36, a radially outward opposite face 38 and a leading face 40. An antiextrusion ledge 46 minimizes the extrusion gap between the OD of a tubular in the BOP and the leading face of the metal inserts in the array.

Abstract: A shale shaker having a basket for holding screen assembly apparatus, screen assembly apparatus for treating fluid introduced to the shale shaker, a roller bed assembly secured above and/or to the basket above the screen assembly apparatus, the roller bed assembly having a plurality of spaced-apart rotatable rollers, the fluid initially introduced to the shale shaker onto the roller bed assembly. The shale shaker wherein the fluid is drilling fluid with large undesirable solids therein, said large undesirable solids separable from the drilling fluid by the roller bed assembly.

Abstract: A method for installing a tub above a floor, in certain aspect, the floor having a plurality of spaced-apart supports beneath the floor supporting the floor, the tub to be installed on top of the floor, the tub having a drain hole for draining water from the tub, the floor having a hole to correspond in position to the drain hole of the tub, the method including securing a tub shoe beneath the tub at the drain hole, the tub shoe comprising an upright part with a fluid flow channel through the upright part in fluid communication with a fluid flow channel through a second part for draining water from the tub through the drain hole, positioning the upright part so that the second part can extend through an open portion of at least one of the plurality of spaced-apart supports supporting the floor, and connecting the second part in fluid communication with a primary drain line for receiving water from the tub.

Abstract: A shale shaker or vibratory separator for treating material, e.g. in one aspect, a shale shaker for treating drilling fluid having contaminants therein, the shale shaker having a base, a basket on the base, fluid introduction apparatus for introducing the drilling fluid into the basket, screen apparatus for selectively providing screening material in or under the basket, the screening material positioned so that the drilling fluid flows onto the screening material, a primary roll of screening material, a take-up roll for receiving screening material from the primary roll, the rolls rotatably mounted so that screening material is movable, through or under the basket, and onto the take-up roll, vibratory apparatus connected to the basket for vibrating the basket, and receptacle apparatus for receiving fluid flowing through the screening material.

Abstract: Centrifuges and conveyor apparatuses for centrifuges, the conveyor apparatus, in one aspect, having a plurality of spaced-apart flight members spaced apart along the length of the conveyor apparatus, a plurality of support members extending between, and connected to the spaced-apart flight members, the support members spaced-apart around the plurality of spaced-apart flight members, a nose member with a target end within the plurality of support members, and a feed tube for feeding fluid having a fluid exit end within the conveyor, fluid exiting the fluid exit end flowable to the target end of the nose member; a centrifuge with such a conveyor apparatus; in one aspect the conveyor apparatus also having at least one wear protector on at least one flight member of the spaced-apart flight members and/or the conveyor apparatus having fluid accelerating apparatus and at least one wear protector positioned adjacent the accelerating apparatus to protect a flight or a support member.

Abstract: A screen assembly for a vibratory separator which, in at least certain aspects, has supporting apparatus with a plurality of openings therethrough, screening material on the supporting apparatus over the plurality of openings, the supporting apparatus recovered from a predecessor screen assembly by applying heat to the predecessor screen assembly, the predecessor screen assembly having the supporting apparatus and predecessor screening material secured to the supporting apparatus by securing material, the heat applied to the predecessor screen assembly sufficient to degrade, powderize, turn to ash and/or cook off the securing material so that recovery of the supporting apparatus is facilitated; and methods for effecting such recovery.

Abstract: A mold indicator having a piece of leather, a covering over at least a first portion of the piece of leather, at least a second portion of the piece of leather not covered by the covering exposable to an environment around the mold indicator. The mold indicator including the piece of leather is untanned. The mold indicator including the covering is a layer includes anti-mold agent.

Abstract: Systems and methods for ultrasonically inspecting pipe, the pipe having a longitudinal axis, the methods in certain aspects including compressing with a compressing force an elastomeric element between an ultrasonic probe of an ultrasonic pipe inspection system and a pipe to be inspected; and, in certain aspects, the systems and methods including placing a coupling between the elastomeric element and the pipe, wherein the elastomeric element surrounds the pipe; and, in certain aspects, a system for ultrasonically inspecting pipe, the system with a housing, a packer element in the housing with an opening through which a pipe to be inspected is passable, and at least one ultrasonic probe in or on the housing useful in conjunction with an ultrasonic apparatus for inspecting pipe.

Abstract: A conveyor for a centrifuge, the conveyor in certain aspects having a length and including a plurality of spaced-apart flight members spaced apart along the length of the conveyor, a plurality of support members extending between, and connected to the spaced-apart flight members, the support members spaced-apart around the plurality of spaced-apart flight members, the spaced-apart flight members and plurality of support members defining a plurality of open areas through which fluid to be treated by the centrifuge is flowable from within the conveyor, and at least one accelerating impeller within and connected to the conveyor for accelerating the fluid; and/or a flow enhancer for accelerating fluid, e.g., but not limited to, in a low-flow mode and/or a chamber encompassing an internal centrifuge feed tube so fluid to be treated is fed only at a beach area of a centrifuge bowl; a centrifuge with such a conveyor; and methods for using such a conveyor and such a centrifuge.

Abstract: A detector for detecting a location of a flaw on a tubular member, the tubular member having a longitudinal axis, the detector having a body, dial rotatably mounted to the body, the dial with directions indications thereon for indicating position of the dial with respect to the longitudinal axis of the tubular member, and ultrasonic probe apparatus secured to the dial for selective positioning by rotating the dial for facilitating location of a flaw of the tubular member; and, in certain aspects, detectors for measuring tubular wall thickness.

Abstract: A shale shaker system for separating components of drilling fluid with solids entrained therein, the shale shaker system, in at least certain aspects, including a base, a screen mounting basket on the base, vibrating apparatus connected to the screen mounting basket for vibrating the screen mounting basket, the screen mounting basket having mounting structure for at least one screen assembly mounted on the mounting structure, the mounting structure having a body over which the at least one screen assembly is positionable, some components of the drilling fluid to be treated by the shale shaker flowable through the at least one screen assembly and through the body, at least one wear strip attached to the mounting structure, the at least one wear strip having a wear strip body, at least one upwardly projecting member projecting upwardly from the wear strip body, the at least one screen assembly including a screen support with screening material and at least one hole in the support sized, configured, and located

Abstract: A play activity set having, in at least certain aspects, target apparatus at which at least one object may be directed; at least one object for throwing at the target apparatus; the target apparatus and the at least one object made by separating box material from at least one box; in one aspect, such a play activity set wherein the target apparatus and the at least one object are separated from a single box; and, in one aspect, such a play activity set wherein the single box is, e.g., a pizza box.

Abstract: A method, in at least certain aspects, for ultrasonically inspecting a tubular member, the tubular member having an inner surface, an outer surface, and two spaced-apart ends including a first end of the tubular member, the method including transmitting sonic beams to the tubular member with transducers such that sonic beams are reflected from the inner surface of the tubular member, the outer surface of the tubular member, and from the first end of the tubular member, sensing the first end of the tubular member, completing inspection of all or of substantially all of the outer surface of the tubular member for outer surface defects while continuing to inspect the inner surface of the tubular member for inner surface defects, continuing to inspect the inner surface of the tubular member for inner surface defects, the transducers continuing to transmit sonic beams for the inspection of the inner surface of the tubular member until the transducers are near the first end of the tubular member; and apparatus for

Abstract: A method for inspecting pipe, the method, in at least certain aspects, including detecting an inspection parameter in at least a first part of a pipe, the pipe having a length, a hollow body, an outer surface, and a generally circular pipe wall with an inner diameter and an outer diameter, locating at a first location the first part of the pipe with respect to the length of the pipe and with respect to the outer diameter of the pipe; and such a method for inspecting pipe which, in at least certain aspects, includes detecting at least a first part of a first imperfection of the pipe.

Abstract: A method for applying fibrous cellulose insulation to a substrate such as a wall, ceiling, attic part or floor which includes, in at least certain embodiments, mixing cellulose fibers with an adhesive and a discoloration reducing additive and applying the resulting mixture to the substrate.

Abstract: Screens and screen assemblies for a vibratory separator or shale shaker, such screens and screen assemblies made by a method including applying glue in a glue pattern to at least one layer of screening material, said applying done by powered moving mechanical glue application apparatus; in one aspect moving with powered mechanical screen movement apparatus the at least one layer of screening material beneath the powered moving mechanical glue application apparatus; in one aspect, using hot melt moisture-curing glue, and in one aspect facilitating the cure of moisture-curing glue by applying moisture to it.

Abstract: A screen assembly for a vibratory separator having, in one aspect, a frame with a plurality of openings therethrough, screening material on the frame over the openings, the frame having an end area at a material exit end of the frame, and end apparatus at the end area for facilitating material movement over the end area; in one aspect, non-smooth areas on top of the screen assembly to impede solids movement on such areas and/or to direct them off such areas; vibratory separators with such a screen assembly; and methods of their use.

Abstract: A vibratory separator with a base, vibrating apparatus, a screen container on the base, the screen container having a plurality of spaced-apart drain holes, a plurality of spaced-apart screens in the screen-container, said screens oriented vertically within the screen container, and the screens positioned so that screened fluid passes through the screens and flows from the container through the plurality of spaced-apart drain holes.