2300results about "Cleaning apparatus" patented technology

Systems and methods of the present disclosure provide systems and methods for receiving one or more sets of parameters related to an operation corresponding to a wellbore. At a first time, the operation is simulated using the one or more sets of parameters and at least one simulator. Pertinent results from the simulation are recorded and stored in a table. The pertinent results include at least one constraint. At a second time, the constraint is retrieved from the table for performance of the operation, and the constraint is used to control the operation.

A system for performing a mechanical operation on a wireline is described including: a motor; a gear train coupled to the motor, the gear train including a first and a second rotational output, the first and second rotational outputs having different rotational speeds relative to each other; a fluid pump coupled to both the first and second rotational outputs, the fluid pump including: a pump housing coupled to the first rotational output, and a pump input coupled to the second rotational output; and a milling bailer coupled to the housing of the fluid pump and configured to rotate with the fluid pump housing, the milling bailer including: a bailer portion shaped to intake fluid and allow the fluid to flow through a filter and the fluid pump; and a milling face including a bit and configured to perform a milling operation while fluid is flowing through the bailer portion.

A system comprises a downhole separation system configured to be positioned downhole a well formed in a subsurface formation, wherein the downhole separation system is configured to receive formation fluid from the subsurface formation and configured to separate formation fluid into a production fluid and a nonproduction fluid. The downhole separation system comprises at least one device to be positioned in an opening of a downhole tubular through which the formation fluid is to be received from the subsurface formation, wherein the at least one device is to filter out at least a portion of solids in the formation fluid from entering the downhole tubular; and a controller configured to initiate an operation to clean the at least one device using a cleaning fluid.

A rotating check valve is disclosed for improved debris collection within a wellbore. The check valve can be part of a debris removal tool that includes a motor, pump, gearbox, bailer, milling bit, the check valve, rotational shafts. On its uphole end, the check valve can be coupled with the bailer such that the check valve can rotate relative to the bailer. Also on the uphole end, the check valve can be rotationally coupled to a shaft that passes through the bailer and couples with the gearbox. On the downhole end, the check valve can be rotationally coupled to the milling bit. The check valve can include a torque transfer mechanism that transfers torque generated by the motor and gearbox to the milling bit. The check valve can include a unidirectional flow control mechanism that restricts the flow of fluid and debris to the uphole direction.

Systems and methods of the present disclosure provide systems and methods for receiving an indication of criteria for a function to be performed at a commercial process facility. The criteria are used to determine one or more scenarios that meet the criteria. Coupled simulators then generate one or more route maps from the one or more scenarios. A route map is selected from the one or more route maps that causes at least one operation of the route map to be performed.

Systems and methods of the present disclosure provide for a process that includes receiving, at one or more processors, an indication to send a slug through a wellbore. The process also includes selecting, by the one or more processors, one or more choke templates indicating choke sizes of a choke for the wellbore. Moreover, the process includes controlling, using the one or more processors, the choke to the choke sizes based on the one or more templates as part of a wellbore clean-up process.

Systems and methods of the present disclosure includes a mixer configured to mix air and hydrocarbons and a burner configured to receive the mixed air and hydrocarbons and to generate syngas. The system also includes a cooling system configured to receive the syngas and to cool the syngas to form cooled syngas. The system further includes a collector configured to collect carbon from the cooled syngas as soot. Moreover, the system includes a flare stack configured to receive the cooled syngas and to burn off at least part of the cooled syngas.

A rotary excavating drill bit facilitating soil unloading comprises a rotary excavating drill bit body, the rotary excavating drill bit body comprises a drilling barrel, a horizontally-arranged partition plate is fixed to the upper side of the interior of the drilling barrel, an inner cavity of the drilling barrel is divided into an upper equipment cavity and a lower working cavity through the partition plate, a rotating part is installed in the equipment cavity, and a soil scraping assembly is installed in the working cavity; the rotating part comprises a transmission column and a lower circular plate which are coaxially arranged with the drilling barrel, the transmission column is rotationally connected with the drilling barrel, the top of the transmission column extends out of the drilling barrel, a connecting base connected with a drilling rod of the rotary drilling rig is fixed to the top of the transmission column, the lower circular plate is fixed to the bottom of the transmission column, and a through hole matched with the lower circular plate in size is formed in the middle of the partition plate. The lower circular plate is mounted in the through hole, and the lower circular plate is in sliding connection with the inner wall of the through hole; according to the utility model, scraping cleaning and vibration cleaning can be carried out on a soil layer in the drill cylinder, the residual quantity and adhesion phenomena of soil in the drill cylinder are greatly reduced, and the soil unloading efficiency is obviously improved.

The invention relates to the technical field of oil exploitation equipment, in particular to a throttling kill manifold with a sand prevention structure, which comprises a first four-way joint and second four-way joints communicated with two sides of the first four-way joint through confluence branch pipes. One side of the first four-way joint is communicated with a main blowout pipeline, and the same side of the second four-way joint on the main blowout pipeline is communicated with a throttling pipeline; a sand prevention structure is arranged in the second four-way joint, a cleaning assembly for cleaning the sand prevention structure is arranged in the confluence branch pipe, a sand collection cylinder assembly is installed on the sand prevention structure, and an overhaul gate valve is installed on the confluence branch pipe. According to the sand prevention structure, fluid entering the throttling pipeline is filtered, the sand prevention structure is cleaned through the cleaning assembly, and the filtering effect of the sand prevention structure is guaranteed.

A disintegrable oilfield chemical composite includes a core containing an oilfield chemical and a disintegrating agent containing at least one of a phase change material or a gas-producing material; and a shell encapsulating the core. A method includes introducing into a subsurface formation a treatment fluid including the disintegrable oilfield chemical composite; heating the disintegrating agent to cause the phase change material to expand, or to cause the gas-producing material to produce a gas, or a combination thereof to break the shell; and releasing the oilfield chemical from the disintegrable oilfield composite.

A system comprises a downhole separation system configured to be positioned downhole a well formed in a subsurface formation, wherein the downhole separation system is configured to receive formation fluid from the subsurface formation and configured to separate formation fluid into a production fluid and a nonproduction fluid. The downhole separation system comprises at least one device to be positioned in an opening of a downhole tubular through which the formation fluid is to be received from the subsurface formation, wherein the at least one device is to filter out at least a portion of solids in the formation fluid from entering the downhole tubular; and a controller configured to initiate an operation to clean the at least one device using a cleaning fluid.

A circulation unit for connecting to a lubricator suitable for housing a wireline operated tool string for collecting debris within a petroleum well. The circulation unit comprises a house with an upper lubricator connection and at least one lower internal seal member adapted to seal against an outer surface of the tool string. The circulation unit has an outlet above the seal member, the outlet being connected to a reservoir. The circulation unit has a lower lubricator connection. The house, upper lubricator connection and lower lubricator connection form a through passage for the tool string. The upper lubrication connection and lower lubrication connection are adapted for connection to a pressurized lubricator. The tool string includes a wellbore cleanout tool with filling means. The wellbore cleanout tool comprises an outlet for unloading collected debris in a lubricator assembly comprising the lubricator and the circulation unit.

The invention relates to the technical field of oil and gas field development injection and production engineering, in particular to a same-well jet flow production and injection device and a using method. According to the technical scheme, a jet oil-well pump is connected to a ground wellhead through an oil pipe and a small-diameter oil pipe, a throwing and fishing pump core is arranged in the jet oil-well pump, the lower portion of the jet oil-well pump is connected with a jet water injection pump through an oil blocking water filter, and a mixed liquid outlet pipe is located on a water injection layer below a packer; one part of high-pressure power liquid pumped into the ground enters the jet flow oil well pump and ejects and pumps low-water-content crude oil to the ground; and the residual high-pressure power liquid passes through a throwing and fishing pump core in the jet flow oil well pump to enter the jet flow water injection pump, and injects and sucks the formation water which is deoiled and filtered by the oil blocking water filter to be injected into a water injection layer. The device has the advantages of being simple in structure, low in failure rate, reliable in operation, long in pump inspection period, convenient to wash wells and inspect pumps, capable of saving investment and operation cost, more suitable for highly-deviated wells, dense wells in the middle and later periods of exploitation, and capable of meeting the essential requirements of multi-layer layered injection-production development in the high water cut period and energy conservation and consumption reduction.

Disclosed is a wax and scale removal device for a rodless oil production well, comprising: a wellhead blowout prevention structure, wherein the wellhead blowout prevention structure comprises a blowout prevention pipe (6), a blowout prevention cap (1) is connected to the top end of the blowout prevention pipe (6), and a liftable / lowerable drop bar (3) is arranged in the blowout prevention cap (1); a plunger structure comprising a plunger body (8) and a steel ball (9), wherein the steel ball (9) can block the bottom end of a plunger center hole under the action of an upward axial force or leave under the impact of the drop bar (3) to make the plunger center hole through-going, a blade structure is connected to the plunger body (8), and the blade structure can rotate to continuously and automatically remove wax and scale; and a downhole seating tool comprising a crossover sub (18), wherein a steel ball bearing joint (16) is connected to the crossover sub (18). The plunger structure moves up and down in a circular manner in an oil pipe to scrape wax and scale off the pipe wall, so that continuous and automatic wax and scale removal in the entire well section can be achieved, and the plunger can be automatically captured on the basis of the degree of wax and scale formation in the shaft. Also disclosed is a method of using the device.

A method includes: introducing a breaker composite into a subsurface formation, the breaker composite having a shell encapsulating a core comprising a breaker; breaking or degrading the shell of the breaker composite to release the breaker; and reacting the released breaker with a component of a filter cake, a scale, or a combination thereof thereby removing the filter cake, the scale, or a combination thereof.

The invention belongs to the technical field of oil and gas exploitation, and particularly discloses an under-pump immovable pipe column washing sand control screen pipe column, a well washing method and a device for oil and gas exploitation, the under-pump immovable pipe column washing sand control screen pipe column comprises at least one section of sand control screen pipe, and each section of sand control screen pipe comprises an upper connector, a lower connector and a lower connector; the central pipe is connected with the upper joint; the lower joint is connected with the central pipe; and the spring type filtering structure is arranged in the central pipe, and the spring type filtering structure is configured to filter part of stratum sand carried by output liquid entering the sand control screen pipe from the lower connector in the production process and deform under the pressure effect in the well washing process to remove the stratum sand blocking the spring type filtering structure. During well flushing, the sucker rod is lifted upwards, the plunger is lifted out of the pump cylinder, then flushing fluid is pumped into the oil sleeve annulus from the ground, the spring type filtering structure is lengthened under the pressure effect, the overflowing gap is enlarged, blockages are backwashed out of the ground, and the sand control screen does not need to be pulled out of the ground.

The invention relates to the field of geological exploration, in particular to a mineral geological exploration device and a using method thereof.The mineral geological exploration device comprises a supporting frame, the side wall of the supporting frame is movably connected with a supporting seat, the middle of the supporting seat is rotationally connected with a drilling rod, and the side wall of the supporting seat is fixedly connected with a drilling motor; a synchronous belt is movably connected between the movable end of the drilling motor and the upper portion of the drilling rod, an adjusting rod is vertically and movably connected to the middle of the drilling rod, three movable bins are formed in the drilling rod at equal intervals, and three sampling mechanisms are movably connected to the surface of the adjusting rod at equal intervals. The mineral geological exploration device is composed of a sampling mechanism and an isolation mechanism. The adjusting rod is rotated to move downwards in cooperation with the isolation mechanism, two arc-shaped partition plates on the adjusting mechanism move oppositely and drive a scraping strip to scrape and sweep the inner wall of a drill hole, soil falling from the upper portion of the drill hole is scraped away, the situation that soil at different depth positions of the inner wall of the drill hole is mixed together is reduced, and the exploration sampling quality is improved.

The invention discloses an embedding device for a pore pressure sensor, and relates to the technical field of pore pressure sensor embedding, the embedding device comprises a drill hole cleaning mechanism and a first mounting ring mounted at the bottom of the drill hole cleaning mechanism, a cleaning mounting mechanism is arranged on the outer side of the drill hole cleaning mechanism, and a lifting support is arranged at the top of the cleaning mounting mechanism; the drilling cleaning mechanism comprises a fixing ring, first rotating supports are symmetrically installed on one side of the top of the fixing ring, first rotating motors are fixedly installed on the outer sides of the first rotating supports, and the output ends of the first rotating motors are fixedly connected with first rotating worms. A conveying motor is started to drive a conveying rotating rod and a conveying spiral blade to rotate, soil and stone generated by drilling are conveyed into a collecting box by utilizing the structural characteristics of the conveying spiral blade, a cleaning scraper is driven by a drilling conveying cylinder to rotate, and the conveyed soil and stone can be collected and discharged through a blow-down valve.

The invention relates to a buckle cleaning and oiling device for oil and gas drilling. The buckle cleaning and oiling device comprises a lifting assembly, a power assembly, a buckle cleaning assembly, a limiting assembly and an oiling assembly. The lifting assembly is fixed to a drilling platform, the power assembly is installed on the lifting assembly, and the buckle cleaning assembly is installed on the power assembly to drive the buckle cleaning assembly to rotate. The limiting assembly and the oiling assembly are mounted on the lifting assembly; when the buckle is cleaned, the lifting assembly drives the buckle cleaning assembly to ascend, a screw thread at the bottom end of the drilling tool enters a cleaning channel of the buckle cleaning assembly, the power assembly drives the cleaning channel of the buckle cleaning assembly to be shrunk to be matched with the screw thread in size under the limiting effect of the limiting assembly, and then the power assembly continues to drive the buckle cleaning assembly to rotate. The screw thread oiling device has the beneficial effects that the screw thread oiling device is adaptive to screw thread sizes of different drilling tools, and the operation efficiency is higher.

The present invention belongs to the technical field of oil extraction and provides a sand fracturing wellhead device, comprising a main pipe, a branch pipe connected to the side of the main pipe, a mounting ring slidably installed in the branch pipe, and a second telescopic member fixedly installed in the branch pipe to drive the mounting ring to move, the mounting ring and the branch pipe are coaxially arranged and the outer side of the mounting ring is in sliding contact with the inside of the branch pipe, a first filter is fixedly installed in the mounting ring, and a temporary storage box is provided on the branch pipe, the temporary storage box is located on the outside of the branch pipe and a storage box and a connecting groove are fixedly installed at both ends of the temporary storage box, and the connecting groove is connected to the branch pipe. Compared with the prior art, the beneficial effects of the present invention are as follows: impurities on the first filter screen will fall off the first filter screen due to speed reasons, and at the same time, the oil flowing into the connecting groove will drive the impurities that have fallen off the first filter screen into the temporary storage box, thereby achieving the cleaning of impurities on the first filter screen, and the cleaning of the first filter screen can be achieved without stopping the transportation of oil.

A system and method are provided for adding chemicals to a produced fluid in a wellbore. An exemplary system includes a gauge hanger and a permeable container. The permeable container includes a solid cylindrical body, end caps placed at each end of the solid cylindrical body, and holes disposed proximate to each end of the permeable container, wherein the holes allow the produced fluid to flow through the permeable container from one end of the permeable container to the opposite end of the permeable container. The system further includes a well treatment chemical disposed in the permeable container.

An arrangement and a method for preventing collection of debris on or for removing debris, such as cuttings, from the top of a closed riser sealing device (215) in a subsea riser (1). The arrangement comprises a flushing line and at least one flushing fluid inlet (294) to direct a jet of flushing fluid into said riser (1). The inlet (294) directs flushing fluid into a space in the riser (1) immediately above said closing element. The invention also relates to a swirl element (351) located immediately above the riser sealing device (215) and being rotationally coupled to a drillstring (11).

A method can include receiving data for a downhole pump operation that utilizes equipment that includes a pump; analyzing the data utilizing a local edge framework that executes a trained machine learning model to identify an operational condition of the downhole pump operation associated with a risk of a reduction in operational lifetime of the pump; and issuing an instruction to the equipment that addresses the operational condition.

A pigging ball launching apparatus and method. The pigging ball launching apparatus comprises a ball storage cylinder (200), a ball launching valve (100) and an oil conveying pipeline (300), wherein the ball launching valve (100) comprises a housing (1), a ball body (2) and a moving member (3), the ball storage cylinder (200) is arranged on the top face of the housing (1), a spherical valve cavity is formed in the housing (1), the ball body (2) is rotatably arranged in the spherical valve cavity, a straight channel (21) penetrating the center and two ends of the ball body (2) is formed in the ball body (2), and the moving member (3) is arranged in the straight channel (21) in a manner of being movable in an axial direction. The length of the moving member (3) is shorter than the length of the straight channel (21), both ends of the moving member (3) are closed faces, and an outer side wall of the moving member (3) can be attached to an inner wall of the straight channel (21). The oil conveying pipeline (300) can pass through the housing (1) in a sealed manner and is located below the ball body (2), a ball launching opening (301) is formed in the oil conveying pipeline (300), and when the straight channel (21) is in a vertical state, two end openings of the straight channel (21) can respectively be in communication with a lower end opening of the ball storage cylinder (200) and the ball launching opening (301) in a butt-joint manner. By means of these arrangements, pressurized crude oil in the oil conveying pipeline (300) can be effectively prevented from accumulating in the ball launching valve (100) or being brought into the normal-pressure ball storage cylinder (200).

Embodiments presented provide for a method for calculation of an optimal scheme for wellbore cleanup. In embodiments, an emissions measure is used to minimize environmental impact from wellbore cleanup activities while establishing the most efficient steps and techniques to be performed during the cleanup activities.

The invention discloses a road engineering bored pile hole cleaning device, and relates to the technical field of road engineering. The upper end of the lifting rod is fixedly connected with a fixing frame arranged on the ground surface; the adjusting and collecting mechanism is arranged at the lower end of the lifting rod; the surrounding driving mechanism is arranged on the lifting rod; the elastic telescopic cross rod assembly is horizontally arranged, and one end of the elastic telescopic cross rod assembly is vertically and fixedly connected with the surrounding driving mechanism; the cleaning scraper is vertically arranged, and one end of the cleaning scraper is vertically and fixedly connected with the elastic telescopic cross rod assembly and abuts against the hole wall; the longitudinal sliding compression assembly is fixedly arranged at the bottom of the surrounding driving mechanism; one end of the connecting rod is connected with the longitudinal sliding compression assembly, and the other end is hinged to the lower end of the cleaning scraper; one end of the supporting rod is hinged to the elastic telescopic cross rod assembly, and the other end is slidably connected with the connecting rod.

The utility model relates to the field of machinery, and discloses a rotary tool for downhole operation, which comprises an upper joint, a protective outer cylinder is fixedly connected to the bottom of the upper joint, a spiral groove inner cylinder is sleeved in the protective outer cylinder, a plurality of spiral grooves are arranged on the outer wall of the spiral groove inner cylinder, a return spring is sleeved outside the spiral groove inner cylinder, and a plurality of spiral grooves are arranged on the spiral groove inner cylinder. The bottom end of the return spring is fixedly connected with a sliding connector, the bottom of the sliding connector is fixedly connected with a rotating inner cylinder, and the bottom of the rotating inner cylinder is fixedly connected with a lower connector. In the utility model, the rotation function is realized under the condition of no hydraulic power, the damage of external liquid to a coal reservoir is avoided, the rotation function can be realized only by moving up and down, the operation is simple and convenient, the risk that a pipe string is blocked in horizontal well sand fishing is reduced, the device is directly connected with a pen point, the distance is short, and the formed rotation torque acts on the sand surface, so that the operation is simple and convenient. And the passing capacity and efficiency of the bailing pipe string are improved.

The utility model discloses a layered negative pressure flowback plug removal tubular column which comprises an oil tube, a top packer, an interlayer packer, a bottom packer and a backwashing valve are sequentially arranged on the oil tube from top to bottom, and the layered negative pressure flowback plug removal tubular column further comprises a squeezing injection and suction conversion device and a flow channel dividing device. The squeezing, injecting and sucking conversion device is arranged between the interlayer packer and the bottom packer; the flow channel dividing device is arranged in the oil pipe, the upper end of the flow channel dividing device is connected with the top packer, and the lower end of the flow channel dividing device is connected with the squeezing and sucking conversion device. According to the utility model, layered negative-pressure flowback can be realized, differential negative-pressure plug removal tubular column design is carried out according to heterogeneity such as the blockage degree of each layer of a stratum, the tubular column is dragged from bottom to top, negative-pressure plug removal is carried out layer by layer, each layer is completely independent, different plug removal negative pressures are selected according to each layer, and the negative-pressure plug removal pressure is increased for well sections with serious blockage; and the highest unblocking pressure is the rated working pressure of the sleeve.

The utility model discloses a grouting device for overlying strata separation layer grouting construction, and particularly relates to the technical field of grouting pipes, the grouting device comprises a grouting pipe body, supporting frames are arranged on the inner surface of the grouting pipe body, a cleaning device is arranged between the two supporting frames, the cleaning device comprises a casing pipe, and the casing pipe is sleeved on the supporting frames. A rotating rod is rotatably installed on the inner surface of the sleeve, a spiral groove is formed in the inner wall of the sleeve, a vertical groove is formed in the upper end of the rotating rod, a sliding block is slidably installed on the inner surface of the vertical groove, a spiral magnet sliding in the spiral groove is further fixed to one end of the sliding block, and a cleaning assembly is arranged on the outer surface of the sleeve. According to the grouting device for overlying strata separation layer grouting construction, the design of the cleaning device is adopted, and when the spiral scraping plate rotates and moves downwards through inclination of the spiral scraping plate, grout gradually flows downwards along the inclined face of the spiral scraping plate, so that the grout is discharged out of the bottom of the grouting pipe body, and cleaning of the grouting pipe body is facilitated.

Method of removing casing from a well, in which an annulus between the outside of the casing and the inside of a surrounding downhole body is at least partially filled by debris, the perforated section of casing is washed in casing lengths shorter than the perforation length and an attempt made to pull the casing after each shorter length is washed. If the casing is free after washing only a shorter section of the perforated section of casing then it can be recovered and saves the washing time. A bottom hole assembly is described which includes a downhole power tool to exert a greater force to pull the section of casing between washing steps.