Abstract: A delayed action hydraulic well liner hanger and running tool for running, setting, and anchoring a string of tubular well bore liner within a well casing as in an oil and gas well including a liner hanger device having expandible slips for anchoring the device in a well casing, slip expanders for expanding the slips, an annular seal element for sealing around the device with the inner wall of the casing, locking slips for holding the casing anchor slips at locked positions and locking slips for holding the annular seal expanded against the casing wall and a running tool for running, setting and anchoring the liner device including a hydraulic piston assembly having a piston operated coupling connectible by shear pin means with an outer sleeve portion of the liner hanger device, a coupling assembly having a threaded nut and a load bearing thrust plate connectible with an inner sleeve portion of the liner hanger device and an expandible dog assembly for engaging the upper end of the outer sleeve portion of the

Abstract: A drill string safety and kill valve for a string of drill pipe used for drilling wells including a tubular valve body connectible in the drill pipe, a ball valve in the body mounted to rotate between open and closed positions for controlling flow through the body, a longitudinally movable tubular ball valve operator in the body connected with the ball valve, a spring biased flapper valve in the ball valve operator mounted to permit downward flow and to close responsive to upward flow for raising the ball valve operator to close the ball valve, a side port provided in the side of the ball valve positioned upwardly when the ball valve is closed for pumping drilling fluids downwardly into the bore of the closed ball valve, and a spring biased lower ball valve seat moved downwardly by downward flow of drilling fluid when the ball valve is closed to allow pumping into a well for killing the well after valve closure.

Abstract: The device includes a main flow control valve and associated packings designed for effective operation under extreme conditions associated with the pumping of high viscosity asphaltic crude wherein the formation includes toxic gases, and where the formation is produced using steam flooding techniques. The main valve seat and the associated valve closure, consisting of a reciprocating ram and packing plug, are coaxial with the pump polished rod. The valve seat includes tapered walls defining a shoulder which partially confronts the ram plug; and the ram plug is formed of a compressible material formed to the shape of the valve seat. The packing plug is retained on the end of the ram by axial tie rods and a retaining ring, which ring may engage the valve seat shoulder to effect axial compression of the packing plug between the retaining ring and ram face, and consequent radial expansion into sealing engagement.

Abstract: An equalizing ball valve member and valve apparatus for use in a tubing string in a well bore of an oil or gas well to isolate a lower portion of the well bore below a packer including a body having a longitudinal bore therethrough connectible in a well tubing string, a lower annular valve seat supported in the body for limited sliding movement, fluid seal means between the lower valve seat and the body, an upper annular valve seat supported in longitudinal spaced relation from the lower valve seat within the body, an equalizing ball valve member supported for rotation between opened and closed positions between the valve seats, pivot members secured with the ball valve member for rotating the valve member, and a longitudinally movable operator member coupled with the pivot members for moving the pivot members longitudinally while permitting the members to traverse an arcuate path as the ball valve member rotates between an open and closed positions.

Abstract: Well tubing coupling apparatus of the tubing seal divider type adapted for remote hydraulic release control to permit a tubing string including well tools above a packer to be removed for servicing from a lower tubing string extending through a packer while temporarily plugging the lower tubing string, such apparatus including a lower tubular housing section connectible on a lower tubing string and having a hydraulic lock and an upper housing section connectible on an upper tubing string adapted to mate with the lower housing section and having a latch operable with the hydraulic lock to releasably couple the housing sections together. Both annulus responsive and tubing responsive forms of the coupling apparatus are shown. An upper tubing string and the upper housing section is released from and reconnected with the lower tubing string and lower housing section by hydraulic pressure.

Abstract: A gland body is coupled at its proximal end to a supporting housing by means of a union. A first packing chamber, for a static shutdown packing, is formed at the proximal end of the gland body, with a wedge ring forming the base of the chamber. The wedge ring has a beveled surface diverging outwardly from the base; and a packing body has a complementary beveled surface confronting the wedge ring. A mandrel having a reduced diameter proximal end is received within the gland body for urging the first packing toward the wedge ring. A second packing chamber is formed at the distal end of the gland body confronting the mandrel; and a packing cap threaded onto the distal end of the body compresses the second packing body to seal the mandrel and gland body. The distal end of the mandrel is enlarged to form a third packing chamber confronting the shaft for receiving a third packing body being a dynamic packing for the reciprocating shaft.

Abstract: A well testing tool system for isolating vertically spaced portions of a well bore and measuring well conditions such as pressure, and temperature. The system includes a wireline supported tool train and a locking sub connectible on a removable lock mandrel for releasably locking the tool train in a well bore. The tool train has a locking probe releasably connectible in the locking sub, a probe mandrel connected with the probe, an equalizing valve and shock absorber, and a gauge for measuring an operating condition in the well. The locking sub permits insertion of the probe at a low force and requires a larger force for withdrawal. The locking sub grips the probe with a force directly proportional to the pressure differential across the locking sub. The equalizing valve and shock absorber provides for pressure equalization across the tool train during handling and absorbs shock to protect the measuring device. Two forms of the valve and shock absorber are spring biased open.

Abstract: A device for improving the ignition characteristic of an internal combustion engine and reducing the air pollutants discharged by such engine having electrical apparatus for applying an electrostatic charge into the combustion chambers of the engine including a pair of electrical energy conductors, and an induction block connected with the conductors for each of the spark plug wires of the engine each induction block having a longitudinal channel sized to receive a spark plug wire, a retainer for holding the block on the spark plug wire, first and second longitudinally spaced chambers partially encircling the spark plug wire channel in electrical insulated relationship from the channel, first and second electrically conductive plates positioned in the first and second chambers partially encircling the spark plug wire channel, conductive clamping means on each of the plates connecting each plate with one of the pair of conductors between the induction blocks, and removable cover means for holding the pair of e

Abstract: Well tubing handling apparatus useful for running and pulling tubing in a well bore and drilling a well bore including a main frame assembly, a pulling and snubbing assembly, a ladder assembly, and a work platform assembly. The apparatus is quickly assembled and torn down. The main frame assembly includes a base, telescoping non-load bearing guide tubes, a load-bearing mast, fixed slips, and winches and sheave and cable assemblies for manipulating pipe joints between handling positions in the apparatus and a pipe rack. The pulling and snubbing assembly includes a hydraulic cylinder connectible at the free end of the piston on the frame base, sheave mounted drive cables secured on the cylinder, traveling slips mounted on the drive cables, and an anchor between the drive cables and the main frame so that as the cylinder is raised and lowered the cables are driven around pulleys raising and lowering the traveling slips.

Abstract: A safety valve actuator and pilot system for emergency closure of a flow line for fluids such as oil and gas including a hydraulic valve actuator connected on a valve in a flow line for opening and closing the valve, a pressure sensing pilot valve communicating with the flow line for directing operating fluid into the hydraulic actuator in response to a predetermined pressure change in the flow line, a closed fluid storage system connected with the hydraulic actuator for containing exhausted operating fluid and redirecting the fluid back into the flow line, and flow connections for operating the actuator to reopen the safety valve. One form of the system operates directly from flow line pressure for response to the predetermined high pressure. Another form of the system includes an operating fluid storage tank and functions in response to either a high or high and low pressure in the flow line.

Abstract: A well bore tubing system for releasably coupling upper tubing strings with lower tubing strings. The system includes an orienting body connectible on the upper end of a well packer and having a pair of separate laterally spaced longitudinal bores, each having a locking recess and a seal surface, a longitudinal side orienting surface along the body, an upper end male guide surface leading to the orienting surface, an orienting head assembly to releasably couple with the orienting body comprising an orienting head having two longitudinal bores alignable with the bores in the orienting body and a lower end female guide surface engageable with the male surface on the orienting body, a longitudinal orienting arm secured on the guide head having a longitudinal orienting surface engageable with the orienting surface on the orienting body, and a tubular seal and latch assembly secured at one end in each of the bores of the orienting head.

Abstract: A readers clip for holding the pages of a book open at a desired place comprising an integral wire article having a straight back tine, a front page retainer having book gripping portions and lateral page holding portions, and a coil spring portion connecting the upper end of the tine with the upper end of the page retainer biasing the tine and page retainer together. The tine fits down the spine of a book while the front page retainer extends downwardly along the front of the book spine with the lateral portions overlying and holding adjacent open pages at a desired location in the book.

Abstract: A well valve for use in a tubing string in a well bore of an oil or gas well to isolate a lower portion of the well bore below a packer including a body having a longitudinal bore therethrough connectible in a well tubing string, a lower annular valve seat supported in the body for limited sliding movement, fluid seal means between the lower valve seat and the body, an upper annular valve seat supported in longitudinal spaced relation from the lower valve seat within the body, a ball valve member supported for rotation between opened and closed positions between the valve seats, pivot members secured with the ball valve member for rotating the valve member, and a longitudinally movable operator member coupled with the pivot members for moving the pivot members longitudinally while permitting the members to traverse an arcuate path as the ball valve member rotates between open and closed positions.

Abstract: A portable add-on actuator module for use with a wireline cutting surface safety valve to provide supplemental energy for closing and simultaneously cutting a wireline extending through the surface safety valve in the event of an emergency. The unit includes a spring loaded locking collet assembly arranged to engage a locking recess within the stem of a surface safety valve so that the spring force may be added to normal valve closing forces such as line pressure and valve stem springs to supplement such forces for insuring the cutting by the surface valve member of a wireline extending through the member. The actuator module has a body which rests on the safety valve body without the use of any connecting structure. The module also includes structure for hydraulically compressing the spring for connecting the module on a safety valve and for hydraulically shifting the latching collet assembly to a disengaging condition for releasing the module from a safety valve.

Abstract: Method for making an acrylic support post for display fixtures such as shelf units and hang racks. The post comprises an elongated acrylic transparent or translucent member having a longitudinal channel formed along one or a plurality of the sides of the post, a longitudinal anchor plate disposed along the bottom portion of the channel, a longitudinal hollow standard having spaced locking slots along the front face thereof secured with the anchor plate, and a casting around the anchor plate and standard filling the channel to lock the anchor plate in the channel. The casting is formed of a material which blends with the acrylic of the post such as a methyl methacrylate resin and the like. The anchor plate is securely locked in place by the casting while the standard is secured with the anchor plate by means of screws. The channel is rectangular having radiused bottom corners. The casting is made in defined stages.

Abstract: A well packer and service seal unit for setting the packer in a well bore and depositing a gravel or slurry pack within the well bore. The packer includes a tubular mandrel connectible with a tubing handling string and adapted to support a gravel pack sand screen below the packer, a setting sleeve, top slips, bottom slips, internal slips, and seal elements supported on the mandrel for holding the packer in a well casing against a pressure differential in either direction and sealing with the casing to isolate a producing zone in the well bore. The service seal unit is insertable into the packer for supporting the packer as it is lowered in the well bore, setting the packer, and directing fluid flow to place the gravel or slurry pack in the well bore around the screen below the packer seal elements.

Abstract: A well tool for inclusion in a tubing string of a well adapted to perform multiple functions including controlling fluid flow through the tubing string and/or cutting coiled tubing or wire line used in the tubing string for performing well completion and workover functions.

Abstract: A well system and method for completing petroleum oil and gas wells having special application to extreme environmental settings such as platform, sub sea, and floating vessel operations, and frozen regions such as the Arctic. The system effectively defines a downhole wellhead including weight supporting apparatus in which the tubing hanger is supported and a pack-off with the casing for minimizing the effects of structural damage at the surface end of the well system.

Abstract: A monitor-actuator pilot valve operable to close a safety valve in a fluid flow system reponsive to low line pressure or electrical failure. The safety valve is held open by pressure supplied into an actuator cylinder from the line protected by the safety valve. The pilot valve includes a first flow passage communicating with line pressure, a second flow passage communicating with the safety valve actuator cylinder, a third exhaust flow passage to the atmosphere, and a fourth flow passage to a fluid pressure reset. A valve assembly in the pilot valve responds to a low pressure in the first passage or electrical failure to connect the second and third passages for exhausting control pressure from the safety valve actuator cylinder to close the safety valve. An electromagnet on the pilot valve releases the valve assembly in response to a power failure allowing the safety valve to close. A reset assembly in the valve body manually or hydraulically operates the valve assembly reopening the pilot valve.