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7080685 |
The present invention generally provides a reduced downtime maintenance apparatus and method for replacing and/or repairing a subassembly in sealing equipment for oil field use. The invention allows the removal of rotating portions of a ...
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6749032 |
The invention is an apparatus for cleaning auger flightings having a mounting attachable to an auger support frame, and an auger cleaning device having a single shaft positioned in the mount; a disk slidable on and rotatable about the sh...
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6702012 |
The present invention generally provides a reduced downtime maintenance apparatus and method for replacing and/or repairing a subassembly in sealing equipment for oil field use. The invention allows the removal of rotating portions of a ...
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6547002 |
The present invention generally provides a reduced downtime maintenance apparatus and method for replacing and/or repairing a subassembly in sealing equipment for oil field use. The invention allows the removal of rotating portions of a ...
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6471445 |
A rotary displacement piling equipment for boring a hole within the soil includes a rotary displacement bit, driving rod members connected to the bit, a casing surrounding the driving rod member, and a casing adapter having a lower end p...
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6155358 |
The wiper device comprises an elongated conveyor arm which can pivot in a horizontal plane and freely move forward and backward through a limited travel (which movement capabilities are collectively termed "floating" capability). The arm...
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6059052 |
This device is a pipe wiping apparatus. The pipe wiping structure incorporates a housing and the housing is provided with a central opening to enable the housing to be positioned along the pathway of a pipe string. The pipe string is ext...
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5921316 |
An automatic pipe wiping system using a circular air manifold with jets which is automatically triggered to flow air at the pipe. The pipe is wiped, even when moving laterally with crooked pipe. The pipe is air blown to wipe the mud down...
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5842252 |
A pipe wiper assembly for stripping fluid from oil and gas well strings which has a pair of rams which can move from a first remote position relative to the pipe forward to a second position contacting and wiping the pipe and forward to ...
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5655610 |
An apparatus is provided for cleaning dirt and debris from the stem and flighting of an earth boring auger. The auger cleaner apparatus has an opposed pair of blade assemblies which are brought into mechanical engagement with the stem an...
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5487432 |
A subsurface tool comprising an elongated steel shaft having a soil penetrating lower end element and having a threaded upper end, a transverse elongated handle having a pair of ends for manual gripping thereof, and a central zone, an el...
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5295536 |
In accordance with an illustrative embodiment of the present invention, a container for preventing spilling of drilling mud onto the rig floor to thereby save the mud for later reuse includes a diametrically split and hinged barrel havin...
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5242027 |
Apparatus (30) is disclosed for preventing accumulation of debris such as clay, dirt or stones in the flighting (28) of an elongated earth auger (12) so that when the auger is removed from a bore hole while continuing to rotate, accumula...
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5170853 |
A pipe wiper assembly is provided which comprises a first housing for supportingly receiving at least one resilient wiper member, and a second housing supported above the well bore for connecting the first housing to the stack assembly o...
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5101896 |
What is provided is a system for washing and cleaning sections of drill pipe being tripped out of the hole, and the system including a cylindrical housing having a central opening therethrough, the cover sections movable between open and...
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5096002 |
A method and apparatus for enlarging an inverted arcuate underground path between two surface locations is disclosed, where the cuttings from the enlarging are removed. After the drilling of a pilot borehole, and possibly after some ream...
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5062479 |
A stripper rubber for use in a drilling head to seal against a work string deployable through the drilling head. The stripper rubber is longitudinally restrained to prevent extrusion of the stripper under pressure and to reduce the tensi...
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4982787 |
A pipe wiper assembly for stripping fluid from well strings has a container, with side walls, for use above the well head. Inside the container a frame is situated for some limited horizontal movement and the frame contains a pair of wip...
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4895205 |
A system for washing, cleaning, and chemically treating sections of drill pipe being tripped out of the hole, which includes an elongated cylindrical housing having a central opening therethrough, the housing comprised of a first and sec...
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4807710 |
The earth auger is provided with a clearing blade near the top of the flight for clearing loose soil from about the mouth of the drilled hole. A second blade is provided at the distal end of the auger within the contour of the flight for...
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4650012 |
The invention relates to an apparatus for cleaning, during its extraction without rotation, of a drill formed from a helical surface wound around an axial stem. It comprises a scraper blade capable of being inserted at will between two t...
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4621386 |
A scraper ring system for removing fluid from a relatively moving cylindrical surface such as a piston rod which comprises a series of overlapping blades or leaves which are pressed against the rod surface at an acute angle either by a g...
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4553637 |
A wireline cleaning unit which replaces a conventional packing nut. A housing is sealed around a packing nut by O-rings to define an annular chamber between the housing and the exterior of the packing nut. Fluid communication between the...
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4457366 |
A wiper device is provided comprising a container having a central opening through which the well string may pass. A pair of opposed wiper pads disposed in a horizontal attitude are mounted in spaced vertical relationship within the cont...
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4429754 |
Means are provided in combination with the depending cylindrical skirt of a drill rig for conveying drill cuttings from around the drill stem during a drilling operation so they will not deposit in the usual annular pile around the open ...
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4406331 |
The wiper apparatus of this invention is arranged to be located and to seat on top of the rotary head structures such as a Williams Connector or Shaffer blow-out preventor located on top of the casing. This apparatus wipes the mud from t...
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4399869 |
The present invention relates to improved methods and apparatus for removing drilling mud and other substances from the outside surfaces of drill pipe as the drill pipe is removed from a wellbore. The apparatus is comprised of a housing ...
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4364441 |
A hole cleaning device which may be attached to the top of an auger or auger extension for rotation therewith includes two diametrically opposed blades arranged to resemble one flight of an auger, the outside diameter of the blades being...
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4284150 |
A soil sampling device adapted to be mounted on a motor vehicle. The soil sampling device includes a tubular probe which is operated by means of a hydraulic cylinder and piston. A mechanism linking the probe with the piston causes the pr...
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4279300 |
An applicator for applying chemical treating fluid to equipment, such as pump-sucker rod equipment, being run into a well includes a housing capable of being mounted on a wellhead and having an opening to permit passage of the equipment ...
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4263975 |
The bottom annular flange of a bearing sleeve which is displaceable with respect to a support frame is applied against the ground surface around the zone of a hole to be bored. A cylindrical cutter placed around a boring mandrel attached...
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4237961 |
The invention relates to a D.C. casting assembly having an inflatable, rubber-like collar near the discharge end of the mold for removing coolant from the surface of the solidified metal. The collar, which surrounds the metal exiting fro...
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4198789 |
A sleeve assembly for sanding, rust removing, and pit filling on a piston rod of a hydraulic cylinder or the like includes a sanding component, a rust removing component and a pit filling component. The sanding component comprises a rigi...
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4179856 |
A sleeve assembly for sanding a piston rod of a hydraulic cylinder or the like comprises a rigid annular outer member, a resilient annular intermediate member adhesively secured to the inner surface of the outer member, and an abrasive a...
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4143720 |
In a system for obtaining core samples from a submerged bottom a core barrel and holder assembly attached at its upper end to a cable is dropped through the water from a floating vessel, and after the barrel has penetrated the submerged ...
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4117896 |
In abstract, a preferred embodiment of this invention is a soil sampler having a specially designed tip for easy penetration, a movable slot cleaner for cutting away surface soil that clings as the sample is taken, and depth markings for...
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4114701 |
A drill rod table bushing arrangement which supresses drill steel whip while drilling under high thrust loads, and also prevents drill cuttings from accumulating on the drill table. A power operated ball wedge is operative to engage a dr...
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4098360 |
A soil sample core extraction tool having a handle member on which is movably mounted a soil probe member and a clutch arranged for selectively preventing movement of the soil probe with respect to the handle member. By sequential actuat...
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4089137 |
A sleeve assembly for sanding, rust removing, and pit filling on a piston rod of a hydraulic cylinder or the like includes a sanding component, a rust removing component and a pit filling component. The sanding component comprises a rigi...
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3971442 |
Tubular members are positioned in a drilling rig relative to the rig floor so that the threaded pin end of the tubular member may be encapsulated with a thread cleaner to clean the threads immediately prior to connecting the threaded pin...
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3968846 |
A wiper for scraping debris from between the convolutions of an earth boring auger. The wiper comprises a "daisy-like" wheel having radially extending peripheral fingers successively engagable between the convolutions of the auger to scr...
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3934661 |
A dust cap particularly for use with an overhead rotary hammer. The dust collector is a cup-like member with a bellows side wall, integrally formed in one piece. It has a thickened neck to fit on the tool shank below the chuck, thereby e...
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3921410 |
A system and method for placing a preformed pile in permafrost or other hard ground is disclosed. The initial procedure in the system is to excavate an annulus in the ground having an outer diameter somewhat larger than the outer diamete...
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3868832 |
A rotary drilling head assembly for wellbore forming operations comprising a stationary housing which supports a rotatable sleeve. A stripper rubber located within the rotatable sleeve slidably receives a tubing string in sealed relation...
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3833070 |
A guide or centralizer characterized by a plurality of radially inwardly projecting wire bristles formed in a ring brush assembly for engagement with the elongated drill string sections of a rock drilling apparatus. The resilient charact...
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3822753 |
A resilient drill pipe mud wiper having a dual wiping action that is capable of being mounted on the drill pipe below a split bushing of a rotary table that drives a Kelly. As the drill pipe is moved upwardly from a bore hole containing ...
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3581833 |
A wiper assembly for cleaning a spiral twist bit on an earth-drilling rig is disclosed. The wiper assembly comprises a first cylindrical tube member mounted on the drilling table of a drill rig. The first tube is mounted concentrically w...
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3499498 |
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3495667 |
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3475781 |
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