39 results about "Stinger" patented technology

A latching system includes a stinger which is attached to a wellhead and a coupler assembly attached to surface equipment such as a lubricator, the coupler assembly having a latching mechanism for securely engaging the stinger, the latching mechanism moveable between a locked position, an unlocked position, and at least one transition position; and an indexing mechanism for indexing the latching mechanism from an unlocked position to a locked position, and from a locked position to an unlocked position, wherein the indexing mechanism is configured to translate vertical movement of the coupler assembly to index the latching mechanism.

An industrial long reach high pressure water blaster capable of 15,000 psi water pressure and 140 Gallons per minute. RF system-controlled robotic hydraulics move the stinger (the robotic pinpoint spray lance wand, trigger and water nozzle) toward a debris site at the proper spray angle (substantially more accurate than a one-vector track like a handheld power washer). Two slew drives and associated hydraulic lines braced to a boom / robotic-arm via equidistant metallic brackets allow the stinger system to remotely reach most any debris site without undue vibration. The stinger system is therein capable of 360° pitch, roll and yaw movement to bring the high-pressure water to any location, even concealed debris.

To provide a stinger capable of properly supporting pipelines during pipeline installation. [Solution] A stinger 10 is provided at the stern of a pipeline laying vessel and guides the pipeline 4, comprising a roller 20 that can contact the outer surface 7 of the pipeline 4, and a support member 30 that rotatably supports the roller 20, wherein the support member 30 is configured to be tiltable, and the roller 20 moves up and down as the support member 30 tilts.

A tool for remediating a well is provided. The tool can include a top end, the top end connectable to coiled tubing, a setting tool provided below the top end, the setting tool having a series of pistons, a retainer connectable below the setting tool, a setting sleeve, the setting sleeve displaceable downward by the setting tool to set the retainer in place in a well, a stinger connected to a piston rod of a final piston of the series of pistons, a release collet operative to disconnect the setting sleeve from the setting tool when the retainer is set, a lock down collet operative to lock the stinger in place below the setting sleeve when the retainer is set, and an inner passing running through the tool.

A method and apparatus for lowering a tieback string and an expandable stinger on top of an expandable hanger that was previously expanded in the well. The expandable stinger is expanded inside the expanded portion of the expandable hanger to seal the stinger against the expandable hanger and connect the expandable stinger to the expandable hanger. The expansion may be done through the use of a cone or swage that is able to reduce in diameter after expansion is complete to be retrievable through the tieback / restrictions above.

The application provides a fixed-distance directional sliding device, a fishbone stinger completion string and a construction method, and belongs to the technical field of oil and gas exploitation. The fixed-distance directional sliding device comprises a center pipe, a plurality of sliding grooves parallel to the center axis are arranged on the outer wall of the center pipe, a sliding sleeve is arranged on the outer wall of the center pipe, a plurality of guide sliding pins are arranged on the sliding sleeve in the circumferential direction, and the guide sliding pins are arranged at the positions of the sliding grooves. The fishbone stinger completion string comprises a casing, a lower oil pipe, the fixed-distance directional sliding device and an upper oil pipe are sequentially arranged in the casing from bottom to top, and a perforating gun and a jet needle pipe are sequentially arranged in the lower oil pipe from bottom to top. The fixed-distance directional sliding device combines the perforating of the perforating bullet with the hydraulic jet drilling, realizes the drilling process of perforating first and then jetting, avoids the problem of cutting the casing wall, improves the opening efficiency, and makes the multi-branch fishbone stinger well technology applicable to the casing well.

A cementing system includes an inner string configured to be received into a casing string in a wellbore. The cementing system also includes a stinger coupled to the inner string and configured to be received into a float shoe connected to the casing string. The cementing system also includes a first retractable joint coupled to the inner string. The retractable joint is configured to reduce in axial length so as to permit at least part of stinger to be withdrawn from engagement with the float shoe while a weight of the inner string is supported by a hanger running tool and casing hanger connected to the casing. The inner string, the stinger, and the retractable joint form at least a part of a flowpath that extends through an end of the casing string at the float shoe.

A stinger, comprising: one or more body members formed from a non-metallic material, at least one of the one or more body members comprising an inner chamber and a wall, the wall comprising: a lower portion, and an upper portion. A width of the upper portion is less than a width of the lower portion, the inner chamber is defined at least partially by the lower portion and the upper portion, and the inner chamber is configured to house a buoyancy fluid. 21090617_1 (GHMatters) P118730.AU.1 20 24 21 31 52 22 A ug 2 02 4 A B S T R A C T O F T H E D I S C L O S U R E 2 0 2 4 2 1 3 1 5 2 2 2 2 0 2 4 A u g

The invention relates to the technical field of deepwater pipeline laying, and particularly discloses a roller height adjusting device. The roller height adjusting device comprises a guide mechanism, an adjusting mechanism and a driving mechanism, one end of the guide mechanism is connected to the stinger, the adjusting mechanism comprises a supporting frame and a hoisting structure, the supporting frame is connected to the other end of the guide mechanism, and the hoisting structure is arranged on the supporting frame and can slide in the extending direction of the supporting frame. The hoisting structure is used for hoisting the roller device; the driving mechanism is connected to the adjusting mechanism, and the driving mechanism is used for driving the adjusting mechanism to move in the extending direction of the stinger and can enable the adjusting mechanism to be stopped at any position of the stinger. According to the roller height adjusting device, the height of the roller device can be conveniently adjusted at a stable position, and the convenience and safety performance of height adjustment of the roller device are improved.

The invention discloses a plastic pipeline with a spiral strip-shaped grain structure on the outer surface and a preparation method thereof.The preparation method comprises the following steps that raw materials of the plastic pipeline are subjected to mixing, hot stirring, cooling stirring and standing, and a mixed material is obtained; feeding the mixed material into an extruder, and extruding the mixed material through a mouth mold to form a pipe blank with spiral strip-shaped grains; the pipe blank passes through a sizing sleeve assembly capable of rotating and is cooled and shaped in a water tank, and therefore the plastic pipeline with the spiral strip-shaped lines on the outer surface is obtained; synchronously rotating and dragging the plastic pipeline by utilizing a rotating pipe dragging mechanism, and then performing fixed-length cutting; and after the cut pipeline is corrected by a correcting stinger, dragged by a two-claw belt dragger and subjected to code spraying identification, packaging and warehousing are conducted, and the plastic pipeline with the spiral strip-shaped grain structure on the outer surface is obtained. According to the invention, a novel traction rotary extrusion technology instead of a traditional mouth mold rotary extrusion technology can realize long-term stable production, and the production speed is high.

A fluid manifold connector apparatus includes a stinger having fluid channels for receiving fluid from flow lines and discharging the fluid through axially-spaced outlet ports on the stinger, plus a receiver having a bore with inlet ports spaced to match the stinger outlet ports. Annular seals are provided above and below each stinger fluid outlet port, or above and below each receiver fluid inlet port, to form a sealed annular fluid chamber between each axially-adjacent pair of seals when the stinger is disposed within the receiver bore. The flow lines pass through bores in a deformable plug disposed within the bore of a stinger extension sleeve for fluid communication with the upper ends of the stinger fluid channels. A piston assembly is mountable to the sleeve for compressing and deforming the plug to sealingly grip the flow lines and to seal the plug against the bottom of the sleeve bore.

The invention discloses a pipe laying ship dynamic positioning and stinger cooperative control method, belongs to the technical field of ocean engineering ship automatic control, and aims to solve the problems that an existing separation control strategy easily causes control conflicts and influences operation safety and efficiency due to lack of a unified model. The method comprises the following steps: establishing a unified nonlinear dynamic model of coupling motion of a pipe laying ship, a stinger, a pipeline and a marine environment, and based on a multi-sensor data fusion and layered predictive control architecture, solving a multi-objective optimization problem in an online rolling manner; and generating an optimal thrust instruction set and an optimal attitude control instruction set which meet physical constraints of all execution mechanisms and track the reference sequence, issuing the optimal thrust instruction set to each propeller of the dynamic positioning system, and issuing the optimal attitude control instruction set to each hydraulic execution mechanism of the stinger adjusting system. High-precision and high-robustness cooperative control of the pose of the pipe laying ship and the form of the stinger is achieved, and the overall safety and operation efficiency of deep sea pipeline laying operation are improved.

The utility model discloses a construction system for laying a subsea pipeline, which comprises a pipe laying ship for laying the subsea pipeline, the pipe laying ship is provided with a plurality of monitoring points, and the positions of the plurality of monitoring points on the pipe laying ship are different; the design route of the subsea pipeline is an arc route, and parameters of the arc route comprise a circle center, a radius, a starting point and an ending point; the pipe laying ship is provided with a pipe for pipe laying, a pipe supporting frame for bearing the pipe and a rail, one end of the pipe supporting frame is fixedly connected with the pipe laying ship and connected with the rail, and the other end of the pipe supporting frame extends out of the pipe laying ship. A pipeline located on the pipe laying ship is arranged in the track, and the track is used for conveying the pipeline to the pipe supporting frame. The positioning mechanism, the measuring mechanism and the control mechanism are arranged on the pipe laying ship; the control mechanism calculates a theoretical track line of each monitoring point according to parameters of the monitoring points and the arc route; the control mechanism is connected with the positioning mechanism and the measuring mechanism. The construction system for laying the subsea pipeline can enable the pipe laying ship to lay the subsea pipeline on the arc section route along the optimal path.

The utility model relates to the technical field of animal medicine, and discloses an animal blood sampling positioning device which comprises a blood sampling bearing transverse plate, positioning fence limiting strips are fixedly installed on the top face of the blood sampling bearing transverse plate close to the four side edges, and support parts are fixedly installed at the corners of the bottom face of the blood sampling bearing transverse plate. The flexible positioning bearing rubber cushion base convenient to clean is arranged to serve as an animal placement structure, the animal side-lying placement groove, the hind limb positioning groove and the forelimb positioning groove are arranged to provide carrying of a side-lying body part, a posterior limb part and a forelimb part of an animal, and during blood sampling operation, the animal body is supported by an assistant, so that the blood sampling operation is facilitated. When the animal is positioned, the hind limb is pressed on the hind limb positioning groove 8, so that the blood sampling operation of unhairing and pricking can be carried out, the effect of stably and efficiently positioning the animal is achieved, the aim of conveniently fixing the animal blood sampling hind limb is achieved, the situation that the animal is easy to shake and move when positioned is avoided to a great extent, and the blood sampling process of the animal is improved.

1. Name of the designed product: sole (stinger PRO). 2. Use of the designed product: used as a shoe part. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The application discloses a sealing device for a nail channel wound and a preparation method of a filled dressing thereof, and belongs to the technical field of biomaterials and medical dressings. The technical scheme is as follows: the sealing device for a hole-shaped wound comprises two groups of shells arranged symmetrically, the tail portions of the two groups of shells are hingedly connected through rotating shafts, torsional springs are arranged between the tail portions of the two groups of shells, the inner sides of the head portions of the two groups of shells are each provided with a sealing piece, the two groups of sealing pieces are matched with each other, the inner sides of the top portions of the two groups of sealing pieces are each provided with a semicircular hole matched with each other, the outer sides of the bottom portions of the two groups of sealing pieces are each provided with a skirt, and the interiors of the two groups of sealing pieces are provided with antibacterial dressings; the preparation method is that the internal antibacterial dressing is prepared through cold freeze drying method by alternately immersing a polyurethane sponge matrix into a zinc ion solution and a sodium alginate solution for short-time crosslinking for multiple times. The application can conveniently change dressings, is simple to operate, can seal wounds, reduces the infection probability, and effectively improves the nursing efficiency and nursing effect.

A stinger tube assembly for a work machine and a method of manufacturing a stinger tube assembly are provided. The stinger tube assembly includes a first tube coupled with a frame of the work machine and a second tube coupled to the first tube and slidable relative to the first tube between an extended position and a retracted position. The first tube defines a first inner surface. The second tube includes a tube body defining a second inner surface, a second outer surface, a first end, and a second end. The tube body defines at least one groove on the second outer surface. The second tube includes at least one support member disposed within the at least one groove of the tube body between the first tube and the tube body of the second tube. The at least one support member is adapted to engage with the first inner surface of the first tube and includes any of a bearing and a wear pad.

A system including a platform, a drill connected to the platform, a power source, a cable connected to a cable reel and the drill, and a stinger. The stinger is configured to guide a position of the cable, relative to the platform, as the cable moves relative to the platform and relative to the stinger. An actuator is connected to the stinger and operable to move the stinger relative to the platform. A sensor is disposed to sense a physical parameter of at least one of the platform, the drill, the power source, the cable, and the stinger. A computer system is programmed to convert the physical parameter into a vector data structure and input the vector data structure to a classification machine learning model, which outputs a classification for the physical parameter. A control system is configured to control the actuator to move the stinger based on the classification.

A tool for remediating a well is provided. The tool can include a top end, the top end connectable to coiled tubing, a setting tool provided below the top end, the setting tool having a series of pistons, a retainer connectable below the setting tool, a setting sleeve, the setting sleeve displaceable downward by the setting tool to set the retainer in place in a well, a stinger connected to a piston rod of a final piston of the series of pistons, a release collet operative to disconnect the setting sleeve from the setting tool when the retainer is set, a lock down collet operative to lock the stinger in place below the setting sleeve when the retainer is set, and an inner passing running through the tool.

Elongate capsules for housing waste are configured for disposal (placement) into wellbore(s) that are located in particular deep underground geologic formation(s). These capsules have opposing structures for physically linking multiple capsules together in an end-to-end fashion. These opposing end structures may include a stinger with pins at a top end of the capsule; and a J-slots structure at the bottom end of the capsule. The stinger with pins of a first capsule may be (removably) attached to the J-slots of a second capsule. Further, a retrieval-tool also has the J-slots structure at one end. The J-slots structure of the retrieval-tool may be configured to (removably) attach to a stinger with pins of a given capsule (which may be linked to other capsule(s)); and then the retrieval-tool may be used to retrieve the given capsule(s) from a given wellbore. Capsule retrieval systems and / or method may utilize such capsule(s) and the retrieval-tool.

To provide a stinger capable of properly controlling the stress of a pipeline during laying, and a method for mounting the stinger.SOLUTION: A stinger (10) for guiding a pipeline (4) includes a first roller 20A and a second roller 20B, wherein the pipeline (4) is supported by the first roller 20A and the second roller 20B, and wherein one of the first roller 20A and the second roller 20B moves upwardly and downwardly with the other.SELECTED DRAWING: Figure 3

This invention discloses a biomimetic microneedle continuous hair transplant system, comprising an axially extending outer shell, a power head that moves axially relative to the outer shell at one end, and a hair follicle supply channel extending axially through the power head. Inside the outer shell are a dual-screw composite seat and a motor for controlling the rotation of the dual-screw composite seat. The dual-screw composite seat includes a base body, one end of which has a first screw and a second screw with unequal pitch. A first screw nut is threaded onto the first screw, and a second screw nut is threaded onto the second screw. The second screw nut is connected to the power head. A push rod extending into the hair follicle supply channel is provided on the first screw nut. A hollow implantation needle extending axially through the power head is provided, with its rear end connected to the front end of the hair follicle supply channel. The microneedles of this system adopt a biomimetic design inspired by snake teeth and bee stings, effectively reducing puncture force and patient pain. The system is functionally complete and highly practical.

To provide a method and a system for attaching a stinger capable of appropriately controlling the stress of a pipeline during laying.SOLUTION: A method for mounting a stinger for guiding a pipeline on a stern of a barge, the stinger comprising a first roller and a second roller, the pipeline being supported on the first roller and the second roller, the method comprising: moving the first roller and the second roller in an upward direction and a downward direction; and performing a simulation of stress on the pipeline, wherein the moving is performed based on a result of the simulation.SELECTED DRAWING: Figure 3

Connectors assemblies. The connector assembly can include a stinger and a sleeve assembly that includes a latching mechanism. An outer surface of the stinger can define first and second grooves located toward first and second ends, respectively, thereof. An inner surface of the sleeve assembly can define first and second shoulders located toward first and second ends, respectively, thereof. The latching mechanism can be in an unlocked position or a locked position. When the latching mechanism is unlocked the stinger can be inserted into or removed from the sleeve assembly. When the stinger is within the sleeve assembly and the latching mechanism is locked, the latching mechanism can maintain a first split ring partially within the first groove and partially on the first shoulder and a second split ring partially within the second groove and partially on the second shoulder to secure the stinger within the sleeve assembly.

The invention discloses an automatic scorpion venom collection terminal which comprises a shell, a meat tube, a sensor, a venom flow guide tube, a venom storage cavity and a bionic vibration unit, the automatic scorpion venom collection terminal does not comprise an external control system, the bionic vibration unit is in butt joint with an external vibration source through two power lines, and scorpions are attracted to find food in a vibration and smell mode; a plurality of openings are formed in the shell and allow scorpion poison thorns to pierce, venom storage cavities made of bionic skin are formed in the openings of the shell, sensors are arranged on the edges of the openings of the shell and can sense piercing of the poison thorns and send out interrupt signals, and after the poison thorns pierce, the meat custard can flow out of the meat custard tube to reward scorpions. The venom flow guide pipe is composed of a liquid inlet and a liquid outlet, purified water flows into the liquid inlet to wash venom, and then the venom flows out of the liquid outlet; the external control system at least comprises receiving interruption, providing a vibration source, controlling the vibration time, controlling the meat custard tube to flow out of the meat custard, closing the meat custard tube, displaying the interruption frequency and controlling the venom flow guide tube to lead out venom.