202 results about "Production string" patented technology

The invention relates to the technical field of natural gas well exploitation, in particular to a water drainage, sand pumping and plug removal device for a power-free gas production pipe column and a using method. According to the technical scheme, the water inlet end of the lower portion of a nozzle is connected with a power water inlet formed in the outer wall of a pump body, a center pipe is arranged at the lower end of the nozzle, the water outlet end of the upper portion of the nozzle is communicated with a formation liquid inlet cavity, an expansion rubber barrel is arranged on the lower side of the pump body, and an upper pressure transmission hole is formed between the expansion rubber barrel and the center pipe; a slip rubber sleeve is arranged on the lower side of the pump body, a slip piece is arranged on the outer side of the slip rubber sleeve, a lower pressure transmission hole is formed between the slip rubber sleeve and the central pipe, and a formation liquid suction inlet is formed in the lower end of the pump body. A washing pipe is arranged at the bottom of the central pipe, and a sand suspending nozzle is arranged at the bottom of the washing pipe. The device has the beneficial effects that under the condition that a gas production pipe column is not moved, a continuous oil pipe is put into an inner cavity of the gas production pipe column to drive the device to pump sand, the sand pumping and plug removal requirements special for a natural gas well are met, and the well control safety and environmental protection problems of the natural gas well are avoided.

The invention belongs to the technical field of oil-gas field development, and discloses an intelligent separate mining process pipe column suitable for slim holes and an implementation method. The intelligent separate mining process pipe column comprises a sand control pipe column and a control pipe column, wherein the sand control pipe column comprises a sand control screen pipe located in an open hole section, a sand control top packer located at the front end of the sand control screen pipe and at least one open hole segmented sand control packer used for segmenting the open hole section to form a plurality of sub open hole sections; the bottom-hole regulator string at least comprises bottom-hole regulators located in all the sub open hole sections, electric control setting packers which are matched with the open hole segmented sand control packers in a setting mode and connected with the adjacent bottom-hole regulators, a lower intelligent node connected with the bottom-hole regulator at the foremost end and a releasing tool connected with the lower intelligent node; the production pipe column at least comprises an upper intelligent node and an electric submersible pump which are sequentially connected from bottom to top. The upper intelligent node is connected with the ground control device through a first steel pipe cable, the bottom-hole regulator is connected with the lower intelligent node through a second steel pipe cable, and the upper intelligent node penetrates through the releasing tool to be in magnetic coupling connection with the lower intelligent node.

A method includes lifting a first plunger within a production string disposed within a wellbore. The production string divides the production string into multiple stages. The plunger landing assemblies include a first landing assembly and an intermediate landing assembly. The lifting includes lifting the first plunger in a first stage to lift production fluid accumulated uphole of the first plunger. The method also includes continuing to lift the first plunger until the first plunger strikes the intermediate one of the plurality of landing assemblies, allowing the production fluid to flow past the second one of the plurality of landing assemblies into a second stage. The method also includes securing the first plunger and lifting, with the production fluid accumulated uphole of a second plunger residing in the second stage, the second plunger to lift the production fluid toward the wellhead.

The invention relates to a compressed air energy storage horizontal well high-frequency injection and production pipe column and a well completion method, the injection and production pipe column is sequentially connected with an underground combined sealing device, an underground annulus flow limiting device and an underground safety valve through oil pipes from bottom to top, and the underground combined sealing device is formed by connecting a preset working barrel and a sealing working barrel in an inserted mode. A sealing insertion barrel seals a sealing insertion barrel sealing cavity of the preset lower outer barrel, a sealing assembly seals a sealing piece sealing cavity of the preset lower outer barrel, and the underground annulus flow limiting device is provided with a leather cup and a center pipe. And the flow limiting plates of the staggered converging flow channels are fixed in the flow limiting plate mounting grooves in the pipe wall of the central pipe, and a seat sealing hole and a seat sealing boosting hole are formed in the pipe wall without the flow limiting plate mounting grooves. The injection-production tubular column provided by the invention has a reverse well flushing function, scales and deposited wax in an oil pipe are cleaned through reverse circulation of well flushing fluid with a cleaning function, maintenance without moving the tubular column is realized, the conventional operation cost and time are reduced, and the working efficiency of a gas storage is improved.

The invention relates to a compressed air energy storage straight inclined shaft high-frequency injection and production string and a well completion method.The injection and production string is sequentially connected with an underground combined sealing device, an underground annulus flow limiting device and an underground safety valve through oil pipes from bottom to top, and the underground combined sealing device is formed by connecting a preset working barrel and a sealing working barrel in an inserted mode; a sealing insertion barrel seals a sealing insertion barrel sealing cavity of the preset lower outer barrel, a sealing assembly seals a sealing piece sealing cavity of the preset lower outer barrel, and the underground annulus flow limiting device is provided with a leather cup and a center pipe. And the flow limiting plates of the staggered converging flow channels are fixed in the flow limiting plate mounting grooves in the pipe wall of the central pipe, and a seat sealing hole and a seat sealing boosting hole are formed in the pipe wall without the flow limiting plate mounting grooves. The injection-production tubular column provided by the invention has a reverse well flushing function, scales and deposited wax in an oil pipe are cleaned through reverse circulation of well flushing fluid with a cleaning function, maintenance without moving the tubular column is realized, the conventional operation cost and time are reduced, and the working efficiency of a gas storage is improved.

A method includes deploying a plunger from a wellhead to a downhole location of a production string fluidly coupled to the wellhead and disposed within a wellbore, the plunger including a plunger sensor and the production string including a plurality of sensors. The method includes sensing, by the plunger sensor, the plurality of sensors as the plunger moves in a downhole direction. The method also includes lifting the plunger and sensing, by the plunger sensor, the plurality of sensors as the plunger moves in an uphole direction. The method also includes determining, as a function of sensor feedback from the plunger sensor, at least one parameter of the plunger. The method also includes controlling, as a function of the parameter of the plunger, a valve fluidly coupled to the wellhead to control a parameter of a present or subsequent plunger lift cycle operation.

The invention discloses a production sliding sleeve, a production tubular column and a production method for a high-temperature gas well of an offshore oilfield. The technical problems that opening and closing control of the production sliding sleeve is tedious, and the adaptability of the production tubular column is poor are solved. The production sliding sleeve comprises a sliding sleeve body of a cylinder structure; the upper joint is arranged at the top of the sliding sleeve main body; the production hole is formed in the sliding sleeve main body; the control cylinder is arranged in the sliding sleeve main body in a sliding manner; the opening hole is formed in the control cylinder; the opening part is used for controlling the sliding sleeve main body to move downwards and enabling the opening hole to be aligned with the production hole; and the closing part is used for controlling the sliding sleeve main body to move upwards and enabling the opening hole and the production hole to be staggered. The structure of the produced sliding sleeve is optimized, rapid and convenient opening and closing control of the produced sliding sleeve is achieved, limitation of well types and well deviation is avoided, the use adaptability is improved, the production method is simpler, and the operation convenience and the operation time efficiency can be improved.

The invention relates to the technical field of oil and gas field development, in particular to an ultra-deep gas well production string multi-mode leakage simulation experiment device and method. According to the technical scheme, the outer side of a shaft temperature and pressure coupling simulation system is connected with a reservoir gas supply simulation system, the middle of the shaft temperature and pressure coupling simulation system is provided with a multi-mode leakage simulation assembly, the lower end of a production oil pipe is connected with a reservoir-shaft coupling connector, and the upper portion of one side of a layered sand filling seepage tank of the reservoir gas supply simulation system is connected with a confining pressure loading unit through a pipeline; the lower portion of the layered sand filling seepage tank is connected with a reservoir fluid supply unit, and the outlet end of the layered sand filling seepage tank is connected with a reservoir-shaft coupling connector through a pipeline. The experimental device has the beneficial effects that the experimental device for coupling the reservoir and the shaft is constructed, and the multi-mode leakage simulation assembly is adopted to realize body perforation leakage simulation and screw thread sealing failure simulation, so that the simulation of the ultra-deep gas well under complex working conditions is realized, and a scientific basis and a technical support are provided for leakage prevention and control of a production string of the ultra-deep gas well.

The water controlling and oil stabilizing device comprises a Tesla valve body fixedly arranged between an upper connector and a lower connector, a Tesla flow channel is formed in the outer wall of the Tesla valve body, and the outer wall of the Tesla valve body is sleeved with an outer barrel used for sealing the Tesla flow channel; the Tesla valve body is provided with a fluid through hole which is communicated with the upper end of the Tesla flow channel and a central flow channel of the Tesla valve body; a sand control pipe is fixedly arranged between the outer barrel and the lower connector, the lower end of the Tesla flow channel is communicated with an annular space among the outer barrel, the sand control pipe and the Tesla valve body, and a fluid channel communicated with the annular space and the outer space of the sand control pipe is arranged on the sand control pipe. By adopting the Tesla flow channel, the retarding effect of the Tesla flow channel on high water content is greater than that of low water content, so that the water content of a total product in an oil pipe is indirectly reduced, and low-cost control of the water content of the product is realized.

A method includes deploying a plunger from a wellhead to a downhole location of a production string fluidly coupled to the wellhead and disposed within a wellbore. The plunger includes a collar detector attached to a body of the plunger and the production string includes a plurality of collar. The method includes detecting, by the collar detector, the plurality of collars as the plunger moves along the string, generating, by a circuitry module of the collar detector, a first plurality of timestamps each associated with a respective collar. The method also includes determining, as a function of the timestamps, at least one parameter of the plunger, and controlling, as a function of the parameter of the plunger, a valve fluidly coupled to the wellhead to control a parameter of a plunger lift cycling operation.

The invention provides a shaft blockage position detection method which comprises the following steps: determining the leakage depth and collapse depth of a production pipe column after the leakage and collapse of the production pipe column are judged; dividing the production pipe column into a plurality of first sub-production pipe columns; the dynamic pressure in the first sub-production pipe column is calculated; the pressure, corresponding to the production pipe column, of the throttled production pipe column and the temperature, corresponding to the production pipe column, of the throttled production pipe column are determined; according to the pressure of the production pipe column after throttling and the temperature of the production pipe column after throttling, the blocking position and wellhead calculation pressure of the corresponding production pipe column are determined; judging whether the production pipe column meets collapse conditions or not according to the dynamic internal pressure of the first sub-production pipe column and the calculated pressure of the wellhead; and if it is judged that the production pipe column meets the collapse condition, the blockage position of the production pipe column is output, so that the wellbore blockage position can be detected, and the blockage condition of the wellbore blockage position can be determined.

The invention relates to a production string leakage positioning method. The method comprises the steps that an initial pressure stable value of an oil sleeve annulus and a pressure fluctuation value of the oil sleeve annulus are obtained; calculating a pressure fluctuation threshold value of the oil jacket annulus according to the initial pressure stable value and the sensor monitoring error; the pressure fluctuation value is compared with a pressure fluctuation threshold value, and whether a new leakage point appears or not is judged; if no new leakage point appears, the depth of the leakage point is calculated according to the U-shaped pipe pressure balance principle, and a positioning result is obtained; and operating oil pressure fluctuation based on a positioning result to obtain an oil pressure fluctuation calculation value, and comparing the oil pressure fluctuation calculation value with an actually-monitored oil pressure fluctuation monitoring value to judge the positioning reliability. According to the method, the leakage point position is determined and the positioning result is verified by judging the state of the leakage point of the production pipe column in advance, so that the positioning precision is improved, the leakage pressure rising phenomenon of the production pipe column is effectively controlled, and the working efficiency is improved.

The utility model relates to an anti-slip device for an oil and gas well, which comprises a connecting pipe and an anti-slip mechanism arranged in the connecting pipe, oil and gas channels are arranged at the center of the connecting pipe and the center of the anti-slip mechanism, and a plurality of anti-slip flow channels are further arranged on the anti-slip mechanism. And the anti-slip flow channel is communicated with the oil gas channel through a plurality of liquid inlets and an annular liquid outlet. The device has no moving parts, is not easy to damage, does not occupy a central channel of a production pipe column, can prevent a liquid column from slipping without external force operation, greatly reduces the cost of oil and gas exploitation, and prolongs the service life of the production pipe column.

The present invention relates to a system and a pressure activated valve for preventing fluid from passing through an ICD during installation and commissioning of a production string in a well bore. Further the invention relates to a method for operating the pressure activated valve. The pressure activated valve can be arranged outside the production string being configured to hinder fluid from entering the ICD from a reservoir when the pressure activated valve is closed and to allow fluid from entering from the reservoir when pressure activated valve is open.

There is provided a flow diverter for integration within a production string that is emplaced within a wellbore for effecting separation of reservoir fluid into gas-depleted reservoir fluid and gas-enriched reservoir fluid. The flow diverter is configured for, amongst other things, mitigating corrosion and erosion phenomena.

The present invention addresses to a method of removing scale from the DHSV of the oil production string aiming at maintaining the production of the wells and thus avoiding the loss of production. First, a neutralizing solution is placed in the service line, before pumping the scale removing solution through the string to act on the DHSV. Next, the acid is pumped into the production string to react with the calcium carbonate scale. After the time for the dissolution of the scale inside the DHSV, the well is opened for production by the service line. The spent acid is mixed with the neutralizing solution inside the service line, reducing its corrosiveness in relation to the service line, contributing to its preservation.

The present invention discloses an oil well water control production string assembly and a method for using the same, which solves the technical problems of low filling efficiency of oil wells and difficulty in achieving liquid production at the end of production. The device includes a central pipe, multiple bypass isolation packers, and a water control production assembly. Each water control production assembly includes multiple double-layer screen sleeves and multiple water control production short sections. Each water control production short section includes an outer casing, a sealing short section, an AICD valve, and a circulation sleeve. The sealing short section, the AICD valve, and the circulation sleeve are connected in sequence and coaxially located inside the outer casing. An annular flow channel is formed between the sealing short section, the AICD valve, the circulation sleeve, and the outer casing. The sealing short section is used to seal the annular flow channel away from the side of the circulation sleeve. The circulation sleeve is provided with multiple circulation holes, and a control unit for controlling the simultaneous opening and closing of multiple circulation holes is provided inside the circulation sleeve. The present invention can increase the return flow rate of the filling liquid, improve the filling efficiency, and achieve liquid production.

The invention relates to the technical field of petroleum separate recovery, in particular to an under-pump interactive intelligent separate recovery system and an implementation method thereof. The method comprises the steps that firstly, at least one bottom-hole regulator packing assembly, an electric energy interaction receiving end and a releasing anchor are sequentially arranged from bottom to top through a tubular column; secondly, after a wellhead is pressed and a packer is set, all production layers are packed; the wellhead continues to be pressurized, the releasing anchor conducts releasing anchoring to achieve anchoring of the production allocation tubular column, then the releasing anchor conducts releasing disengaging to achieve hanging of the production allocation tubular column, and at the moment, the releasing anchor is pulled out so that the tubular column can be released; thirdly, the electric energy interaction transmitting end, the electric submersible pump and the oil pipe telescopic adjuster are sequentially connected from bottom to top; when the production tubular column is slowly lowered and the lowering position approaches to the butt joint position of the electric energy interaction transmitting end and the electric energy interaction receiving end, a wellhead oil pipe telescopic adjuster is adjusted through a ground controller, so that a wellhead oil pipe has the well completion length, and meanwhile, the hanging load of the pump hanging tubular column is controlled to meet the axial load capable of being borne by the electric submersible pump.

The invention relates to the technical field of oil field oil production engineering, in particular to an oil well intelligent balanced production pipe column and a construction method. Comprising a guide screwed plug, an oil pipe, a balanced production tool, a layered packer, an oil well pump, a cable and a ground control system. The guiding plug is located at the lowest end of the tubular column string, the balanced production tools and the layered packer are connected in series through the oil pipe, the layered packer is used for separating oil layers, and the cable is connected with the balanced production tools, can penetrate through the layered packer and is finally connected to the ground control system. According to the bottom-hole regulator disclosed by the invention, the bottom-hole regulator is quickly regulated by adopting a design mode of an underground electric control liquid path channel, hydraulic direct pushing and multiple tracks; the mode that a motor controls liquid path pressurization and underground liquid path rapid pressure relief is adopted, and rapid response of the bottom-hole regulator is achieved; a variable-density liquid inlet hole adjusting mode is adopted, and linear adjustment under multiple underground rails is achieved; a multi-stage inner vulcanization sealing mechanism is arranged underground, and the problem that a sealing piece is prone to damage under high pressure is solved.

The present application relates to the technical field of deep well natural gas exploitation, and particularly relates to an oil and foam removal separation device and a use method. The device comprises an inertial separator and a cyclone sand remover. The inertial separator comprises an inertial chamber, a conical tube and a gas distribution cone. The conical tube is located in the inertial chamber, the uphole section of the production string penetrates the bottom plate of the inertial chamber and is fixedly connected with the small end of the conical tube. The tip of the gas distribution cone is inserted into the large end of the conical tube, and there is a gap between the conical surface of the gas distribution cone and the inner wall of the conical tube. The other end of the gas distribution cone is provided with a connecting part which is fixedly connected to the top plate of the inertial chamber. The gas inlet pipe of the cyclone sand remover penetrates the top plate and is connected to the side of the connecting part which is towards the inside of the gas distribution cone. The device can avoid the rock and soil debris from entering the cyclone sand remover, thereby avoiding the impact damage of the rock and soil debris to the cyclone sand remover, and can also realize the continuous exploitation and separation of the deep well raw gas.

The application provides a wellbore safety experiment device and method for electric heating in-situ exploitation of oil shale, and the wellbore safety experiment device comprises a thermal insulation layer, a simulated injection-production assembly arranged outside the thermal insulation layer, and oil shale raw rock, a simulated wellbore assembly, a simulated production pipe column assembly and a first stress collection assembly arranged in the thermal insulation layer. The sealed cavity is heated by an electric heater, heat is transmitted to the oil shale raw rock through the oil pipe, the casing and the closed wellbore, the cracked product of the oil shale raw rock after being heated and cracked flows into the oil pipe through the product channel, the cracked product in the oil pipe is collected through the simulated injection-production assembly, the temperature in the oil pipe is collected through the first temperature sensor, the stress borne by the casing and the oil pipe at different positions is collected in real time through the first stress collection assembly, the real downhole in-situ exploitation process is simulated, the safety of the casing and the oil pipe can be evaluated in advance before downhole exploitation, and the safety and reliability of the casing and the oil pipe during downhole exploitation can be ensured.

A tubing isolation valve configured to permit lowering thereof downhole and installation in an existing pump seating nipple at a distal end of a production string. An elongate mandrel having at least 2 ports is slidably positioned in a hollow seal sub. A portion of the resulting assembly is positionable via a landing tool within the pump seating nipple. The mandrel is slidably moveable within the seal sub and pump seating nipple, from a first open position where fluids can be pumped from the wellbore via a pump fluidly connected to the landing tool, to a second closed position where fluids are isolated from the production tubing. Configurations of and methods of installing and operating the isolation valve when for example removing a pump from the well, and for removing the isolation valve completely from pump seating nipple and wellbore if desired, are further disclosed.

The invention relates to an oil well intelligent separate production system based on flow wave coding control and an implementation method.The oil well intelligent separate production system based on flow wave coding control comprises a plurality of intelligent separate production devices and packers which are alternately arranged in the axial direction of an oil well, and the intelligent separate production devices and the packers are connected through production pipe columns; the production pipe column is connected with an oil conveying pipeline, and the oil conveying pipeline is provided with a flow wave generator used for generating flow fluctuation of a certain rule. The flow generator is adopted to generate the regular flow waves, the valve opening degree of the intelligent separate recovery device is wirelessly controlled through the regular flow waves, allocation is performed according to the water outlet condition of each oil layer, the opening degree of the bottom-hole regulator corresponding to each production layer is controllably adjusted, and therefore fine adjustment and control of the liquid production capacity are achieved, the construction process is simple, and the cost is low. The working intensity is reduced, the construction cost of an oil well is reduced, and the crude oil exploitation efficiency is improved.

The invention discloses a linkage type double-layer control underground intelligent device, and relates to the technical field of oil production well layered control devices, and the linkage type double-layer control underground intelligent device comprises a mechanical part and an electric control part; the mechanical part comprises an upper connector, an outer sleeve, a flow dividing body, an outer connector and an inner connector which are sequentially connected from top to bottom. An upper liquid inlet hole and a lower liquid inlet hole are horizontally formed in the flow divider, and a flow divider outer axial through hole is vertically formed in the flow divider; the lower liquid inlet hole is communicated with the space between the outer joint and the inner joint; a sealing pipe is installed between the upper connector and the flow dividing body in the outer sleeve, a vertical electric driving device is installed in the sealing pipe, the bottom end of the vertical electric driving device is connected with a piston, a piston lower axial blind hole with a downward opening is coaxially formed in the piston, and a piston liquid inlet through hole communicated with the piston lower axial blind hole is formed in the side wall of the piston in the radial direction. The single intelligent device can control the on-off states of the two production layers at the same time, production pipe columns can be simplified, and the construction cost is reduced.

The present invention provides an integral load display back connection tool and its usage method. The inner wall of the tail end of the upper joint is threadedly connected to the outer wall of the head end of the central tube. The outer wall of the tail end of the central tube is threadedly connected to the inner wall of the head end of the load display elastic claw. The seal is sleeved on the lower outer wall of the central tube and is located above the load display elastic claw. Slots are evenly formed on the side wall of the load display elastic claw. A boss is formed in the middle of the outer wall of the load display elastic claw. The boss generates radial pressure contraction through inclined plane extrusion. When the boss reaches the groove of the sand settling packer sealing cylinder, it will automatically pop out and cooperate with it. The inner diameter of the back connection tool is consistent with that of the upper completion sand control string above, which provides convenience and a larger size option for the lowering of water injection tools and other production string tools, and is beneficial to the improvement of the water injection volume in water injection operations and the oil production volume in the production link.

The present invention discloses an intelligent tracer full-contact flow-around downhole control system. The downhole control system comprises a hollow cylinder formed by a base pipe and an outer pipe; a circular tracer mounting plate is provided in the annulus of the hollow cylinder, and oil-soluble tracers and water-soluble tracers are arranged on the tracer mounting plate, and the oil-soluble tracers and water-soluble tracers are alternately arranged along the axial direction of the hollow cylinder; a plurality of circumferential and axial slit holes are provided on the wall of the outer pipe; an inflow through hole is provided at one end of the base pipe. When the downhole control system of the present invention is applied, the tracer is installed in the production tubing, and the tracer is gradually released along with the production fluid. The production of the monitoring well or different production layers is determined by detecting the tracer content. The intelligent tracer full-contact flow-around downhole control system of the present invention can realize tracer monitoring of oil and gas wells or production monitoring of different outputs or different well sections, dynamic monitoring of oil reservoir production, and evaluation of reservoir transformation effects.

The present invention discloses an integrated system for heavy oil injection and production by using a small oil pipe to launch and salvage an electric pump, comprising an outer heat injection string and an inner production string, wherein the production string comprises a small oil pipe, an electric submersible pump connector, and an inverted electric submersible pump from top to bottom, and the electric submersible pump connector is provided with a second guide flow hole. The present application involves less ground operation equipment, high operation efficiency, and saves operation resources and costs; a small oil pipe is selected as the output fluid output channel to avoid fluid immersion and scouring in the annulus between the inner production string and the outer heat injection string, thereby protecting the thermal insulation performance of the insulated oil pipe and the insulation performance of the cable, and reducing the risk of failure; the electric submersible pump unit adopts an inverted pump design, and the cable is directly connected to the electric submersible pump motor after passing through the upper production packer, reducing the risk of cable crushing and improving the operating stability of the electric submersible pump in highly deviated wells; the small oil pipe has a strong launching and salvaging capability, and can realize launching and salvaging of the electric submersible pump in highly deviated wells and horizontal wells.

The invention relates to the technical field of oil pipe cutting, and discloses an anchoring shoe type production pipe column inner cutting tool which comprises a shell, an anchoring assembly, an unfolding assembly, a rotating assembly and a tool bit assembly. The cutter head assembly comprises a cutter disc, a central gear and a plurality of cutting knife mechanisms which are uniformly distributed on the circumference, each cutting knife mechanism comprises a cutter and a planetary gear, the rotating assembly comprises a rotating motor, a spiral spline cylinder and a driving cylinder, the unfolding assembly comprises an unfolding motor, an unfolding screw rod, an unfolding seat and a spiral spline shaft, and the anchoring assembly comprises an anchoring driving mechanism and two anchoring mechanisms. The anchoring mechanism comprises an anchoring cylinder and a plurality of anchoring pieces which are evenly distributed in the circumferential direction. Each anchoring piece comprises a fixed part, a movable part and an anchoring shoe. The anchoring shoe type cutting tool in the production pipe column is compact in structure, mechanical cutting operation of a seriously-scaled oil pipe of a small-pipe-diameter oil well can be achieved, and the problem that the cutting process is unstable due to mechanical shaking can be effectively solved.

The invention relates to a three-dimensional heterogeneous formation water control oil extraction multi-parameter synchronous simulation experiment device which comprises a device body, a plug, a production pipe column and a sensor unit. The device body is of a coaxial multi-layer nested structure, a plurality of independent simulation units are constructed in an internal annular sand filling area through replaceable sieve pore partition plates, and heterogeneous stratum reconstruction of fluid communication and sand body isolation is achieved. The production pipe column adopts a modular water control short section series connection structure, a replaceable fluid sensitive valve and a tracer agent storage cabin are integrated, and performance evaluation and fluid traceability of multiple types of water control tools are achieved; the sensor unit synchronously acquires outlet, wall surface and radial gradient pressure through three-dimensional arrangement of mandrels with various lengths, and realizes multi-dimensional data collaborative analysis in combination with flow and water content monitoring. The problems that an existing device is difficult to restore complex fluid channeling physical characteristics and is single in monitoring dimension are solved, full-process high-fidelity simulation from stratum seepage to tool water control is achieved, and key technical support is provided for water control strategy optimization.

A gravel pack production string component of a production string used for a gravel pack operation may include a body having a wall that forms a cavity, and also may include a gravel load disposed around an outer surface of the wall of the body. The gravel pack production string component may also include a gravel containment apparatus that is configured to secure the gravel load against the outer surface of the wall of the body as the gravel pack production string component is inserted into a wellbore. The gravel pack production string component may further include a release mechanism that is configured to release the gravel load from the gravel containment apparatus after the gravel pack production string component is positioned within the wellbore for the gravel pack operation and when the release mechanism interacts with a release agent.