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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 166/76.1 - Having structure for converting from one mode of operation to another; e.g., valve to packer


Subclass of Class 166 - Wells
Definition: Above ground apparatus whose function is changed (a) by
No. of patents: 26
Last issue date: 04/01/2008


NumberTitleIssue Date
7350562Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use
A drilling flange and an independent screwed wellhead provides a metal-to-metal seal that supplements the traditional elastomeric O-rings for providing a fluid seal between the drilling flange and the wellhead. The metal-to-metal seal may be achieved using a metal r...
04/01/2008
7308934Fracturing isolation sleeve
An apparatus operatively coupled to a well having a production casing positioned therein, the apparatus including a first device having and internal bore, a second device having an internal bore, and a fracture isolation sleeve disposed at least partially within the...
12/18/2007
7278477Cup tool, cup tool cup and method of using the cup tool
A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel, an outer surface over which an elastomeric cup is slidably mounted for reciprocal movement from an unset position for entry into a wellbore to a set position i...
10/09/2007
7267180Multi-lock adapters for independent screwed wellheads and methods of using same
A lockdown flange for use with an independent screwed wellhead includes an annular body having a center passageway with an internal diameter at least as large as a passageway through the wellhead. The lock down flange may be used to construct a multi-lock adapter fo...
09/11/2007
7255163Convertible rotary seal for progressing cavity pump drivehead
A convertible rotary seal has a housing for receiving a polish rod. A mandrel is rotatably mounted in the seal housing and surrounds the polish rod. A wear sleeve surrounding the mandrel engages a primary seal. A secondary seal engages the mandrel and polish rod and...
08/14/2007
7249629Multi-function well servicing vehicle
A mobile vehicle for inserting jointed pipe into a well, having a derrick and hydraulic rams to raise and lower same, adapted to conduct additional operations which will allow a well to be completed by this vehicle alone. Three winches are provided, a first to raise...
07/31/2007
7243733Cup tool for a high-pressure mandrel and method of using same
A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel. The cup tool has an outer surface over which an elastomeric cup is slidably mounted for movement from an unset position for entry into a wellbore to a set posi...
07/17/2007
7237615Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel
A casing mandrel for an independent screwed wellhead includes a pin thread adapted for engagement with a box thread of a well stimulation tool lockdown nut for securing the well stimulation tool against the casing mandrel top end. A well stimulation tool and a tubin...
07/03/2007
7237614Potable well conversion device
Disclosed herein is a coupling device for converting a below-ground potable water well installation to an above-ground installation, the device comprising a housing having a first opening which is dimensioned to receive an upper end of a below-ground well casing and...
07/03/2007
7159652Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use
A drilling flange and an independent screwed wellhead provides a metal-to-metal seal that supplements the traditional elastomeric O-rings for providing a fluid seal between the drilling flange and the wellhead. The metal-to-metal seal may be achieved using a metal r...
01/09/2007
7077209Mast for handling a coiled tubing injector
A mast for lifting and suspending over a wellhead a coiled tubing injector and blow out preventer is pivotally mounted on a rear portion of a truck. The mast has two side-by-side telescoping legs that extend and retract synchronously. When in a retracted position, t...
07/18/2006
7063160Non-orienting tubing hanger system with a flow cage
In a subsea wellhead assembly, a tubing hanger in communication with the subsea well has a hanger port extending through its side. A diverter surrounds the tubing hanger and diverts well fluid transmitted from the hanger port around a portion of the tubing hanger. T...
06/20/2006
7040410Adapters for double-locking casing mandrel and method of using same
Adapters for connecting to a double-locking casing mandrel of an independent screwed wellhead include a lockdown flange with an adapter pin, and a retainer flange that may be used with or without the adapter pin. The retainer flange has a top surface with circumfere...
05/09/2006
6997260Method of repairing tubular members on oil and gas wells
The disclosure concerns a method and apparatus for repairing or structurally reinforcing an oil and gas well tubular member, or an assembly of tubular members. The assembly to be repaired can include a smaller diameter inner flow conveying conduit (or production tub...
02/14/2006
6971457Moldable fabric
Apparatus for boring a hole from an inside of a casing outwardly at an angle relative to a longitudinal axis of the casing comprises a drill shoe having a longitudinal axis and being positionable in the casing, the shoe having first and second passageways which conv...
12/06/2005
6817420Potable well conversion device
Disclosed herein is a coupling device for converting a below-ground potable water well installation to an above-ground installation, the device comprising a housing having a first opening which is dimensioned to receive an upper end of a below-ground well casing and...
11/16/2004
6634423Lifting top drive remote control cement head
A lifting top drive sub sea staging cement head in which cement slurry flows from outside into its central bore, thru a rotating swivel connection. The cement head has a rotatably indexable reservoir cylinder with multiple cells which may be loaded with b...
10/21/2003
6575238Ball and plug dropping head
There is disclosed a ball and plug dropping head which includes a housing having an inlet at its upper end and an outlet at its lower end, and passages extending downwardly within the housing at circumferentially spaced locations, each to receive a ball o...
06/10/2003
6557629Wellhead isolation tool
A wellhead isolation tool for use with a wellhead assembly from which a tubing string is suspended comprises a tubular mandrel which includes an axial passage that extends therethrough and lower end that is adapted to engage the tubing string, a pumping h...
05/06/2003
6039115Safety coupling for rotary pump
A safety coupling for preventing backspin at excessive speeds of a torque transmitting drive string which stores reactive torque due to torsional stress. The safety coupling includes a rotatable driving member to be coupled with a rotatable driven member ...
03/21/2000
6003598Mobile multi-function rig
A mobile hybrid rig adapted to run coiled tubing (CT) and wireline equipment for oil and gas wells can also accommodate conventional joined pipe for drilling of shallow wells. The rig incorporates: a chassis and power unit for rig transport; an adjustable...
12/21/1999
5996688Hydraulic pump jack drive system for reciprocating an oil well pump rod
A hydraulic pump jack drive system for reciprocating an oil well pump rod. The drive system comprises at least one hydraulic well head cylinder, a reversible flow hydraulic pump, and a master cylinder. The master cylinder has a free floating master piston...
12/07/1999
5971079Casing filling and circulating apparatus
A casing fill and circulator assembly is disclosed. The fill valve is constructed so that the valve member moves out of the main flowpath when the valve is in the open position. The valve is constructed so that flow opens it and the majority of the pressu...
10/26/1999
5509477Borehole ventilation sealcover
A simple bore hole plug for either temporarily or permanently sealing mine bore holes and ventilating shafts or the like is described. A plurality of used motor vehicle tires are arranged one upon the other coaxially in increasing order of diameter. Steel...
04/23/1996
5148865Multi-conversion wellhead assembly
A wellhead assembly having a tubing hanger for supporting a tubing string and a diversionary block with a bonnet part, the tubing hanger and bonnet part having aligned holes for transmitting fluid through the tubing string or for receiving a pump rod. The...
09/22/1992
4804045Oil and gas well diversionary spool assembly
A diversionary spool assembly for the completion hook up of any type of oil and gas well without the use of an expensive and cumbersome valve tree as a permanent part of the producing well. A single valve tree is provided, and is removably mounted on any ...
02/14/1989
 
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