CN114427359A - Novel tool carrying device for well repair - Google Patents
Novel tool carrying device for well repair Download PDFInfo
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- CN114427359A CN114427359A CN202210121040.6A CN202210121040A CN114427359A CN 114427359 A CN114427359 A CN 114427359A CN 202210121040 A CN202210121040 A CN 202210121040A CN 114427359 A CN114427359 A CN 114427359A
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- external thread
- shaft
- track
- tool
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The utility model provides a novel instrument carries outfit for a journey for workover is become by carrying a section of thick bamboo, the track board of taking flexible axostylus axostyle and semi-circular axle core external screw thread spare, is connected with the drilling tool through the head external screw thread of carrying a section of thick bamboo or with the help of reducing screw. A plurality of semicircular shaft core external thread pieces controlled by a shaft core external thread shaft position assembly form a circular external thread short section on the disc surface of the track slab with the telescopic shaft rod; through transporting the flexible axostylus axostyle of the flexible axostylus axostyle axle position subassembly control panel on the track board of flexible axostylus axostyle of being controlled by flexible axostylus axostyle axle position subassembly on the barrel top interlayer face and taking, make circular external screw thread nipple joint and transport the workover tool on the circular screens of interlayer face and dock and lock, the length of the flexible axostylus axostyle of the track board of flexible axostylus axostyle of regulation rethread and the high position at the transport barrel, accomplish selection, replacement, matched stack and alone or the collaborative operation to multiple workover tool in the pit. The device has simple structure, obvious effect, easy installation and practical application and great technical popularization prospect.
Description
Technical Field
The invention relates to a novel tool carrying device for well repair, which is characterized in that the device does not need to carry out one-to-one assembly on a well repair tool and a drilling tool before going down a well, only needs to carry and load various well repair tools which can be used and go down the well once, selects the tools according to the actual conditions in the well, carries out underground assembly, and even completes the coordinated operation of various well repair tools, and belongs to the technical field of petroleum and natural gas engineering equipment.
Background
The well repairing tools are various in types and are used for detection, fishing, back-off, cutting, shocking, casing scraping, squeezing and expanding and the like, and the development of the well repairing tools provides basic guarantee for improving the well repairing quality. However, the quality and efficiency of workover depends not only on the advancement of the workover process and the workover tool itself, but also on the ease of operation during the workover process. Especially, when a plurality of tools are needed in the process of one workover operation, the problem of replacement and simultaneous operation of the plurality of tools on the drilling tool in the underground space is worthy of deep thinking and intensive development of professional technicians.
Disclosure of Invention
The invention provides a novel tool carrying device for well repair, aiming at the problem that various well repair tools can not be replaced and operated simultaneously under a well, so as to adapt to independent use or simultaneous operation of the well repair tools such as clamping, drilling, grinding and cutting in a space under the well.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the carrying cylinder with a plurality of interlayers and tracks, the track plate with the telescopic shaft rod and the shaft core external thread element are adopted for assembly, and the device is directly connected to the end part of the drilling tool through the head external thread on the upper part of the carrying cylinder or through reducing. Install on the track board of taking flexible axostylus axostyle according to track removal and semicircular axle core external screw thread spare that can lock, the axle core of axle core external screw thread spare controls semicircular external screw thread spare and carries out 180 degrees upsets, and every two external screw thread spares make up into X type or circular shape external screw thread nipple joint. Adjusting the length of the telescopic shaft lever of the track plate with the telescopic shaft lever, moving the telescopic shaft lever radial walking track on the top interlayer surface of the carrying cylinder along the radial direction inwards, and correspondingly rotating and assembling an external thread short section formed on the track plate with the telescopic shaft lever and an internal thread of a workover tool which is extended and moved by the tool radial walking track on the non-top interlayer surface of the carrying cylinder interlayer; the disk face upset of the track board of taking flexible axostylus axostyle is realized to the rotation of axle through the flexible shaft of the track board of taking flexible axostylus axostyle to a plurality of circular external screw thread nipple joints that form on the track board disk face of taking flexible axostylus axostyle can both be assembled according to the workover needs and the workover tool who transports a section of thick bamboo dress.
The carrying cylinder is composed of a head external thread, a cylinder side wall, a cylinder interlayer, a track and a shaft position assembly, and is directly connected with the drilling tool through the head external thread or is connected with the drilling tool through reducing. The barrel interlayer is divided into a top interlayer and non-top interlayers, the number of the top interlayers is one, and the number of the non-top interlayers is multiple. The cross section of the head external thread is circular, and the bottom of the head external thread is in coplanar and integrated molding connection with the top interlayer of the barrel interlayer. The side wall surface of the cylinder is vertical to the surface of the cylinder interlayer, and the side wall surface of the cylinder and the top interlayer of the cylinder interlayer form a semi-cylinder space; the vertical projection of the semi-cylinder is superposed with a half of the vertical projection of the external thread of the head, namely the vertical projection of the semi-cylinder is semicircular, and the radius of the projected semicircular is consistent with the radius of the circular cross section of the external thread of the head; the top interlayer is semicircular, the circle center of the semicircular surface of the non-top interlayer is a semicircular notch with a radius slightly larger than the cross section radius of the telescopic shaft rod of the track plate with the telescopic shaft rod, the number of the non-top interlayers is consistent with that of the interlayer spaces of the carrying cylinders, an interlayer space is arranged between every two interlayer spaces of the carrying cylinders, a workover tool can be carried in each interlayer space, the height of the workover tool can be adjusted according to the height of the workover tool, and namely, the side wall framework and the side wall surface of each cylinder are respectively of telescopic structures, telescopic rods and corrugated plates with telescopic functions. Assembling a straight track at the semicircular circle center of the top interlayer along the direction vertical to the string edge of the semicircular string of the top interlayer, namely connecting the two ends of the track with the semicircular circle center of the top interlayer and the circular side line at the bottom of the external thread of the head part respectively, and arranging radial edge limit, wherein the two ends of the track and the connecting part are integrally formed, and the track is a radial walking track of the telescopic shaft rod; the telescopic shaft rod is internally provided with a telescopic shaft rod shaft position assembly in the radial walking track and is used for connecting the telescopic shaft rod of the track plate of the telescopic shaft rod, the telescopic shaft rod is controlled to move in the radial walking direction on the track, and the telescopic shaft rod shaft position assembly can be positioned and locked. The telescopic shaft lever radial walking track on the top interlayer plane of the barrel interlayer is positioned at the intersection line of the same vertical plane and each non-top interlayer plane, a telescopic straight track is assembled on each non-top interlayer plane, the track is fully contracted in the non-top interlayer plane when in the shortest length, the track is not more than the vertical projection boundary of the head external thread when in the longest length, and the track is a tool radial walking track; the tool axial position assembly with a circular tool clamping disk is arranged in the tool radial displacement track and used for controlling a tool loaded on the clamping disk to perform radial displacement movement on the track, and the tool axial position assembly can be positioned and locked.
The track plate with the telescopic shaft rod is composed of the telescopic shaft rod, a disk surface, a track and a shaft position assembly, and the upper end of the telescopic shaft rod of the track plate with the telescopic shaft rod is connected with the telescopic shaft rod shaft position assembly arranged in the radial walking track of the telescopic shaft rod on the plane of the top interlayer of the carrying cylinder. Under the effect of flexible axostylus axostyle axle position subassembly, the track board of taking flexible axostylus axostyle can radially walk the position track in flexible axostylus axostyle, radially walk the position migration between the centre of a circle and the footpath limit of carrying the interlayer semicircular face of a section of thick bamboo interlayer to can be fixed a position the locking. The telescopic shaft lever of the track plate with the telescopic shaft lever is formed by sleeving a plurality of rigid hollow pipes with different cross-section circular radiuses according to sections, the cross-section circular radiuses of the stretched shaft pipes are gradually reduced section by section from top to bottom, and the length of each section of rigid hollow pipe is smaller than the minimum interlayer space height of the carrying cylinder, so that the lower end of the shaft pipe can be in threaded butt joint and locked with a workover tool on each non-top interlayer plane tool radial walking track of the carrying cylinder; the end head of the lower part of the shaft tube is connected with the runway-shaped disc surface with semicircular two sides and rectangular middle part through a shaft position assembly with a circular clamping disc, the shaft position assembly is a disc surface shaft position assembly and can be positioned and directionally locked, namely the runway-shaped disc surface can rotate around the end head of the lower part of the shaft tube at the centroid and is locked. The other side of the disc surface opposite to the telescopic shaft lever is provided with a straight track, the track is a shaft core external thread component walking track, the center of the track is also positioned at the centroid of the disc surface, three groups of shaft position components with semicircular clamping positions are symmetrically arranged in two sides of the disc surface, each shaft position component is a shaft core external thread shaft position component and is used for connecting the semicircular shaft core external thread components and controlling the semicircular shaft core external thread components to rotate at the shaft core external thread shaft position components and move between the shaft core external thread component walking track center and a track end, and the shaft core external thread shaft position components can be positioned and directionally locked; the three groups of semicircular screens of the external thread component of the shaft core are six in total, and every two adjacent semicircular screens form a circular screen, namely, a circular screen at the centroid of the runway disc surface is arranged on the runway disc surface, and a group of circular screens are symmetrically distributed at two sides of the centroid; the axle core of axle core external screw thread spare can control semi-circular external screw thread spare and accomplish 180 degrees upsets with axle core external screw thread axle position subassembly cooperation for two adjacent semi-circular external screw thread spares form X type or circular shape external screw thread nipple joint, move on axle core external screw thread spare walking position track and locate the locking in the circular screens department that the quotation formed.
The shaft core external thread piece is formed by assembling the shaft core and the semicircular external thread piece one to one, and the shaft core is positioned on the inner side of the circular arc section at the intersection of the symmetrical axis of the semicircular external thread piece and the circular arc section. Under the cooperation of the axle core external thread axis position subassembly that the track is built-in to axle core external thread spare walking track on axle core and the track slab runway type coil face of taking telescopic shaft pole, 180 degrees upsets or keep motionless are accomplished to semi-circular external thread spare, make to form a circular external thread nipple joint or form two circular external thread nipple joints of symmetric distribution in the coil face centrode both sides that are in disk face centrode department on the coil face, and the radius of the circular radius of cross section of circular external thread nipple joint equals with the circular screens of coil face, and be fixed a position and lock through axle core external thread axis position subassembly and circular screens on the coil face. And after the round external thread short section is successfully assembled, the round external thread short section is in thread butt joint with the internal thread of the workover tool and is locked.
Compared with the prior art, the invention utilizes the device structure for loading a plurality of workover tools at one time, can control and form one or a plurality of external thread short sections which are in threaded connection with the workover tools through overturning and shifting, and the selection of the workover tools and the height of assembly butt joint are controlled by the telescopic shaft lever of the track plate with the telescopic shaft lever, so that the multiple workover tools loaded at one time are transported to the underground, and the selection and assembly operation of the workover tool are carried out under the well according to the actual condition under the well, thereby not only avoiding the repeated lifting and lowering of the workover tool between the ground and the well and the ground operation of installing and replacing the workover tool, and the problem that when two or more than two workover tools such as drilling, grinding, clamping and cutting are required to work in coordination is solved, multiple workover tools can not be put into the well and work can not be carried out simultaneously. The device has simple structure, obvious effect, easy installation and practical application and great technical popularization prospect.
Drawings
Fig. 1 is a schematic view of the novel tool carrier for well intervention of the present invention.
Fig. 2 is a schematic view of a carrier cartridge.
Figure 3 is a schematic view of a track plate with a telescopic shaft.
Fig. 4 is a schematic view of an external screw member of the mandrel.
Fig. 5 is a schematic view of the novel tool carrying device for well repair according to the present invention in different states.
Fig. 6 is a schematic view of the assembly of the track plate with the telescopic shaft and the external thread element of the shaft core under different states.
In the figure: 1. the tool comprises a carrying cylinder, 2, a track plate with a telescopic shaft rod, 3, an axle core external thread piece, 11, a tool axle position assembly, 12, a tool radial walking track, 13, a telescopic shaft rod radial walking track, 14, a radial limit, 15, a telescopic shaft rod shaft position assembly, 16, a head external thread, 17, a cylinder side wall, 18, a cylinder interlayer, 21, an axle core external thread shaft position assembly, 22, a disk surface shaft position assembly, 23, a disk surface, 24, an axle core external thread piece walking track, 25, an upper end head of the telescopic shaft rod, 31, an axle core and 32, wherein the telescopic shaft rod shaft position assembly is arranged on the carrying cylinder, the track plate, the axle core external thread piece is arranged on the carrying cylinder, the 15, the head external thread piece is arranged on the carrying cylinder, the radial walking track, the telescopic shaft rod shaft position assembly, the telescopic shaft rod shaft position assembly is arranged on the carrying cylinder, the telescopic shaft position assembly, the telescopic shaft, the telescopic shaft position assembly, the telescopic shaft rod shaft, the telescopic shaft, the shaft rod, the telescopic shaft rod shaft, the shaft rod shaft, the shaft.
Detailed Description
In the carrying cylinder in the embodiment of the invention, the top interlayer of the cylinder interlayer is semicircular, and the number of the top interlayer is one; the non-top interlayer of the barrel interlayer is a semicircular surface, and the circle center of the non-top interlayer is provided with a semicircular notch with a radius slightly larger than the radius of the cross section of the telescopic shaft rod of the track plate with the telescopic shaft rod, and the number of the semicircular notches is a plurality and is consistent with the number of interlayer spaces of the carrying barrel.
In the carrying cylinder in the embodiment of the invention, the cross section of the external thread at the head part is circular, and the bottom part of the carrying cylinder is coplanar with the top interlayer of the cylinder interlayer and is integrally connected with the cylinder interlayer in a forming way.
In the carrying cylinder in the embodiment of the invention, the side wall framework and the side wall surface of the cylinder are respectively provided with a telescopic rod with a telescopic structure, a corrugated plate with a telescopic function and the like; the side wall surface of the cylinder is vertical to the surface of the cylinder interlayer, and the side wall surface of the cylinder and the top interlayer of the cylinder interlayer form a semi-cylinder space; the vertical projection of the semi-cylinder is superposed with a half of the vertical projection of the external thread of the head, namely the cross section of the semi-cylinder is semicircular, and the radius of the vertical projection semicircular is consistent with that of the circular cross section of the external thread of the head.
According to the carrying cylinder in the embodiment of the invention, the top interlayer of the cylinder interlayer is provided with a straight telescopic shaft rod radial walking track in a direction vertical to the semicircular string edge of the top interlayer from the semicircular circle center, two ends of the track are respectively connected to the semicircular circle center of the top interlayer and the circular sideline at the bottom of the external thread of the head part, and two ends of the track and the connection part are integrally formed; the track is internally provided with a telescopic shaft assembly, and the shaft assembly can be positioned and locked.
In the carrying cylinder in the embodiment of the invention, straight radial tool displacement tracks are assembled on the planes of the non-top interlayers of the cylinder interlayer, and the radial displacement tracks of the telescopic shaft levers, which are positioned on the planes of the top interlayers of the cylinder interlayer, are positioned at the intersection lines of the same vertical plane and the planes of the non-top interlayers; the rail is completely retracted into the non-top interlayer surface when in the shortest length, and the rail is not more than the vertical projection boundary of the head external thread when in the longest length; the tool shaft position assembly with a tool clamping position is arranged in the rail, and the shaft position assembly can be positioned and locked.
In the track slab with the telescopic shaft rod in the embodiment of the invention, the telescopic shaft rod is formed by matching a plurality of rigid hollow pipes with different cross section circle radiuses according to joints; the stretched formed axle tube is from top to bottom, the circular radius of the cross section of the rigid hollow tube is gradually reduced section by section, and the length of each section of rigid neutral tube is less than the minimum interlayer space height of the carrying cylinder; the end head of the lower part of the shaft tube is connected with a runway-shaped disc surface with semicircular two sides and rectangular middle part through a disc surface shaft position component with a circular clamping position, and the runway-shaped disc surface can rotate around the end head of the lower part of the shaft tube in an angle and is locked at the centroid position.
In the track slab with the telescopic shaft lever, the disc surface opposite to the telescopic shaft lever is provided with the straight shaft core external thread member walking track, the center of the track is positioned at the centroid of the disc surface, three groups of shaft core external thread shaft position assemblies with semicircular clamping positions are symmetrically arranged at two sides of the track slab, and the shaft position assemblies can be positioned and directionally locked.
In the shaft core external thread member in the embodiment of the invention, the shaft core is positioned in the arc section at the intersection point of the symmetrical axis of the semicircular external thread member and the arc section, and the shaft core and the semicircular external thread member are assembled in a one-to-one manner.
The embodiment of the invention comprises the following steps:
a schematic diagram of a novel tool carrying device for well repair, a schematic diagram of a carrying cylinder, a schematic diagram of a track plate with a telescopic shaft rod and a schematic diagram of a shaft core external thread part are respectively shown as an attached drawing 1, an attached drawing 2, an attached drawing 3 and an attached drawing 4. The whole tool carrying device is formed by assembling a carrying cylinder (1), a track plate (2) with a telescopic shaft rod and a plurality of shaft core external thread pieces (3). The carrying cylinder (1) is a semi-closed semi-cylindrical space consisting of a head external thread (16), a cylinder interlayer (18) and a cylinder side wall (17) from top to bottom and from outside to inside, the space is divided into a plurality of semi-cylindrical small spaces by the cylinder interlayer (18), the bottom surface of each small space, namely the non-top interlayer of the cylinder interlayer (18), is a semi-circular surface with a semicircular notch at the center, a telescopic straight tool radial walking track (12) is assembled on the symmetrical axis of the non-top interlayer, and a tool shaft assembly (11) with a circular tool clamping position is arranged in the track and is used for linking a workover tool through the tool shaft assembly (11) and moving the tool into or out of the semi-closed semi-cylindrical space of the carrying cylinder (1) by radial movement on the tool radial walking track (12). When the workover tool is moved into the semi-cylindrical space of the carrier cylinder (1) for non-use, the tool shaft position component (11) and the round tool clamping position thereof lock the workover tool. The top interlayer of the barrel interlayer (18) is a semicircular surface and is integrally formed and connected with the circular bottom surface of the head external thread (16), the top interlayer surface is assembled with a straight telescopic shaft rod radial walking track (13) at the boundary line of the open side symmetrical surface of the carrying barrel (1), the track is arranged from the semicircular circle center of the top interlayer surface to the bottom side line of the head external thread (16) and is integrally formed and connected with the top interlayer and the head external thread (16), a telescopic shaft rod shaft assembly (15) is arranged in the track and is used for connecting the upper end (25) of the telescopic shaft rod of the track plate (2) of the telescopic shaft rod and controlling the telescopic shaft rod of the track plate (2) with the telescopic shaft rod, so that the disk surface (23) of the track plate (2) with the telescopic shaft rod can be stretched and moved radially in the vertical direction below the head external thread (16) of the carrying barrel (1), namely, the disk surface (23) can reach each space of the carrying barrel (1) and each non-top interlayer through a tool to radially walk on the disk surface And the workover tools conveyed by the position rail (12) are butted and are positioned and locked at any point on the telescopic shaft rod radial walking rail (13) from the center of the carrying cylinder to the radial edge limit (14) outwards along the radial direction under the control of the telescopic shaft rod shaft position assembly (15). Disc surface (23) one side of track board (2) of area flexible axostylus axostyle, it walks position track (24) to join in marriage straight axle center external screw thread spare along the disc major axis group, the shape center of track shape heart and runway type disc (23) and the flexible axostylus axostyle of track board (2) of area flexible axostylus axostyle are corresponding, and the dish surface axle position subassembly (22) of circular screens of internal band of track (24) shape center department are walked to axle center external screw thread spare, the one end of the flexible axostylus axostyle of track board (2) of area flexible axostylus axostyle is connected with flexible axostylus axostyle axle position subassembly (15) promptly, the other end is walked position the dish surface axle position subassembly (22) of track (24) with external screw thread spare on runway type disc (23) and is connected, the dish surface axle position subassembly (22) can be fixed a position and directional locking, runway type disc surface (23) can carry out angle rotation and are locked the end around the lower part in its shape center department promptly. The barrel side wall (17) of the carrying barrel (1) is of a telescopic rod with a telescopic structure and a corrugated plate with a telescopic function, so that the space height between every two barrel interlayers (18) can be adjusted according to the height of a loaded workover tool, and meanwhile, the barrel side wall (17) plays a role in protecting the workover tool loaded in the carrying barrel (1). The device is positioned on two sides of a disc surface axis position assembly (22), three groups of axis core external thread axis position assemblies (21) with six semicircular clamping positions in total are symmetrically arranged in an axis core external thread element walking track (24) and are used for connecting the semicircular axis core external thread elements (3) and controlling the rotation of the axis core external thread axis position assemblies (21) and the walking movement between the center and the end of the axis core external thread element walking track (24), and the axis core external thread axis position assemblies (21) can be positioned and directionally locked; every two adjacent semicircular screens form a circular screen, namely, the runway type disc surface (23) has three circular screens in total. The core (31) of core external screw thread spare (3) can control semi-circular external screw thread spare (32) and accomplish 180 degrees upsets with core external screw thread axle position subassembly (21) cooperation operation for two adjacent semi-circular external screw thread spare (32) form X type or circular shape external screw thread nipple joint, through walk to position track (24) at core external screw thread spare and remove and locate the locking in circular screens department. Under the cooperation of axle core external screw thread spare walking track built-in axle core external screw thread axle position subassembly (21) of track (24) on axle core (31) and track board (2) of taking flexible axostylus axostyle, 180 degrees upsets or keep motionless are accomplished in semi-circular external screw thread spare (32), make can form a circular external screw thread nipple joint that is located quotation (23) centroid department or form two circular external screw thread nipples of symmetric distribution in quotation (23) centroid both sides on quotation (23), the cross section circle radius of circular external screw thread nipple joint equals with the radius of the circular screens of quotation (23), and be fixed a position through axle core external screw thread axle position subassembly (21) and the circular screens on quotation (23) and lock.
Under different states, the schematic diagram of the novel tool carrying device for well repair and the assembly schematic diagram of the track plate with the telescopic shaft lever and the shaft core external thread member are respectively shown in the attached drawings 5 and 6. When the whole tool carrying device is used, firstly, the height of the side wall (17) of the carrying cylinder (1) is adjusted on the ground in advance, various workover tools which are possibly used in the well are carried in the cylinder interlayer (18) of the carrying cylinder (1) and are arranged in a round tool clamping position arranged on a tool shaft position component (11) of a tool radial walking track (12) to be locked, and then the whole device is directly connected with a drilling tool through the head external thread (16) of the carrying cylinder (1) or is connected with the drilling tool through a variable-diameter thread; the length of a telescopic shaft of a track plate (2) with the telescopic shaft is controlled and adjusted by a telescopic shaft axis assembly (15) and a disc surface shaft axis assembly (22), so that a disc surface (23) is positioned at an idle position of each interlayer space of a carrying cylinder (1), and the telescopic shaft of the track plate (2) of the telescopic shaft is adjusted to be positioned at the center of a semicircular top interlayer of an interlayer (18) of the carrying cylinder (1), so that the whole tool carrying device is ensured to be positioned in the cylindrical structural space of the carrying cylinder (1) and protected in the well descending process; the whole device is provided with a downhole tool while drilling. Secondly, the device arrives workover target position, according to actual problem and instrument demand, by instrument axle position subassembly (11) interlock control area flexible axostylus axostyle track (12) are radially walked along the instrument to flexible axostylus axostyle upper portion end (25) of track board (2) of flexible axostylus axostyle, carry and do the radial outward shift between the central point department of a section of thick bamboo interlayer (18) semicircular top interlayer of a section of thick bamboo (1) and footpath limit (14) to the length of adjustment flexible axostylus axostyle makes quotation (23) reach section of thick bamboo interlayer (18) high position that the workover tool that is selected for use was located. If only one workover tool is needed in each operation, the shaft core (31) of the shaft core external thread piece (3) is controlled by the shaft core external thread shaft position assembly (21) to select two adjacent semicircular external thread pieces (32) positioned in the middle of the disc surface (23) to complete 180-degree rotation or keep motionless according to requirements, and finally, the two adjacent semicircular external thread pieces (32) are enabled to be a circular external thread short section at the centroid of the disc surface (23); and along the radial walking track (12) of the telescopic tool, the selected workover tool is controlled by the tool shaft position assembly (11) in a linkage manner to be butted with the circular external thread short section at the centroid of the disc surface (23) controlled by the telescopic shaft position assembly (15) and the disc surface shaft position assembly (22), the butted workover tool is locked at the circular clamping position at the centroid of the disc surface (23), and the selected workover tool is assembled. If more than one workover tool is required in each operation, two symmetrical external thread short sections are formed on two sides of the centroid of the disc surface (23) through control and adjustment, and the butted workover tools are locked at two symmetrical circular clamping positions of the disc surface (23) through the same operation. Thirdly, the track plate (2) with the telescopic shaft rod is controlled by the telescopic shaft rod shaft position assembly (15) and the disk surface shaft position assembly (22) to move radially along the radial walking track (13) of the telescopic shaft rod, so that the track plate is located at the free space of the device, the length of the telescopic shaft rod of the track plate (3) with the telescopic shaft rod can be adjusted, and the disk surface (23) is located below the carrying cylinder. And finally, the track plate (3) with the telescopic shaft rod is controlled by the shaft position assembly (15) of the telescopic shaft rod to move radially along the radial walking track (13) of the telescopic shaft rod, so that the upper end (25) of the telescopic shaft rod is positioned at the circle center of the semicircular top interlayer of the barrel interlayer (18) of the carrying barrel (1) and is positioned and locked, at the moment, the whole tool carrying device finishes the selection, assembly and walking position adjustment before operation of the workover tool, and workover operation can be carried out. When the workover operation is finished, the operation is carried out in the reverse order, and the device is lifted to the ground and unloaded.
The foregoing is a more detailed description of the present invention in connection with preferred embodiments of specific design forms, and the number of the external thread members of the shaft core in the embodiments of the present invention is not deemed to be limited thereto, and may be increased to the extent that more than two workover tools are simultaneously operated. It will be apparent to those skilled in the art that numerous other and varied arrangements can be devised without departing from the basic scope thereof, and the scope thereof is to be determined by the claims that follow.
Claims (4)
1. A novel tool carrying device for well repair is formed by assembling a carrying cylinder, a track plate with a telescopic shaft rod and a semicircular shaft core external thread component, and is a cylindrical structural device which is directly connected with a drilling tool through the head external thread of the carrying cylinder or is connected with the drilling tool through a reducing thread; the carrying cylinder is a semi-closed semi-cylindrical space consisting of a head external thread, a cylinder interlayer and a cylinder side wall from top to bottom and from outside to inside; the track plate with the telescopic shaft rod moves on a telescopic shaft rod radial walking track which is internally provided with a telescopic shaft rod shaft position assembly and positioned on the top partition surface of the partition layer of the carrying cylinder; a plurality of semicircular shaft core external thread pieces are assembled at one side of the disc surface of the track plate with the telescopic shaft rod through a shaft core external thread piece walking track of a shaft core external thread shaft position component; the method is characterized in that: the carrying cylinder is divided into a plurality of semi-cylindrical interlayer spaces, and the bottom surface of each interlayer space is provided with a telescopic tool radial walking track with a built-in tool shaft position assembly; the workover tool finishes the movement of the workover tool inside and outside the partition layer of the carrier cylinder through a tool shaft position assembly arranged in the track; the flexible shaft lever shaft position assembly of the flexible shaft lever radial walking track is arranged in the top partition layer of the carrying cylinder to control the flexible shaft lever, the disc surface shaft position assembly controls the disc surface below the track plate with the flexible shaft lever, and the shaft core external thread shaft position assembly of the shaft core external thread member walking track arranged in the disc surface controls a plurality of semicircular shaft core external thread members and can form a circular external thread short section through rotation; the round external thread short section is butted and locked with a workover tool which moves along a tool radial walking track through a tool shaft position assembly; the selection, replacement, assembly and independent or cooperative operation of various workover tools in the well are completed by adjusting the length of the telescopic shaft of the track plate with the telescopic shaft and the position of the carrying cylinder; the tool lifting device has the advantages that repeated lifting and lowering of the used tools between the ground and the underground are avoided, and particularly, a series of problems that two or more tools such as drilling, grinding, clamping and cutting cannot cooperate with downhole operation and the like are solved.
2. The new tool carrier for well intervention as recited in claim 1, said carrier cartridge comprising: the number of the telescopic shaft rods is one, the shape of the telescopic shaft rods is a cylinder, and the telescopic shaft rods are composed of head external threads, a cylinder side wall, a cylinder interlayer, a tool radial walking track, a tool shaft position assembly with a circular tool clamping position, a telescopic shaft rod radial walking track, a radial edge limit and a telescopic shaft rod position assembly; the cross section of the head external thread is circular, the bottom of the head external thread is coplanar with the top interlayer of the barrel interlayer, and the head external thread and the top interlayer are integrally formed and connected; the cylinder side wall framework and the side wall surface are respectively provided with a telescopic shaft rod with a telescopic structure, a corrugated plate with a telescopic function and the like, so that the space height between every two cylinder interlayers can be adjusted according to the height of a loaded workover tool, and meanwhile, the cylinder side wall plays a role in protecting the workover tool loaded in the carrying cylinder; the side wall surface of the cylinder is vertical to the surface of the cylinder partition, the side wall surface of the cylinder and the top partition of the cylinder partition form a semi-cylinder space, the vertical projection of the semi-cylinder is superposed with a half of the vertical projection of the head external thread, namely the cross section of the semi-cylinder is semicircular, and the radius of the vertical projection semicircular is consistent with the radius of the circular cross section of the head external thread; the top interlayer of the barrel interlayer is provided with a straight telescopic shaft rod radial walking track in the direction vertical to the string edge of the top interlayer semicircular string from the semicircular circle center, two ends of the track are respectively connected to the semicircular circle center of the top interlayer and the circular sideline at the bottom of the head external thread, two ends of the track and a joint are integrally formed, a telescopic shaft rod axial component is arranged in the track, and the axial component can be positioned and locked; the straight tool radial walking track is assembled on each non-top interlayer surface of the barrel interlayer, the telescopic shaft lever radial walking track located on the barrel interlayer top interlayer plane is located at the intersection line of the same vertical plane and each non-top interlayer surface, the track is completely contracted in the non-top interlayer surface when being in the shortest length, the track is not more than the vertical projection boundary of the head external thread when being in the longest length, a tool shaft position assembly with a circular tool clamping position is arranged in the track, and the shaft position assembly can be positioned and locked.
3. The novel tool carrier for well intervention as claimed in claim 1, wherein said track plate with a telescoping shaft comprises: the number of the telescopic shaft rod axial position assemblies is one, and the telescopic shaft rod axial position assemblies are connected with the telescopic shaft rod axial position assemblies which are arranged in the telescopic shaft rod radial position track on the top interlayer plane of the carrying cylinder through the upper end heads of the telescopic shaft rods; under the action of the shaft position assembly of the telescopic shaft rod, the track plate with the telescopic shaft rod can be positioned on a radial walking track of the telescopic shaft rod, and radial walking and moving are carried out between the circle center and the radial edge limit of the semi-circular surface of the top interlayer of the carrying cylinder and can be positioned and locked; the telescopic shaft lever is formed by a plurality of rigid hollow pipes with different circular radiuses of cross sections in a matched mode according to joints, the stretched shaft pipe is formed from top to bottom, the circular radiuses of the cross sections of the rigid hollow pipes are gradually reduced section by section, the length of each section of rigid hollow pipe is smaller than the minimum interlayer space height of the carrying cylinder, and therefore the lower end of the shaft pipe can be in threaded butt joint with and locked with a well repairing tool on a tool radial walking track of each non-top interlayer surface of the carrying cylinder; the end head of the lower part of the shaft tube is connected with a runway type disk surface with semicircular two sides and rectangular middle part through a disk surface shaft position component with a circular position clip, and the runway type disk surface can rotate around the end head of the lower part of the shaft tube in an angle at the centroid and is locked; a straight shaft core external thread part walking track is assembled on the disc surface opposite to the telescopic shaft rod, the center of the track is positioned at the centroid of the disc surface, three groups of shaft core external thread shaft position assemblies with semicircular clamping positions are symmetrically arranged in two sides of the disc surface and used for connecting the semicircular shaft core external thread parts and controlling the semicircular shaft core external thread parts to rotate at the shaft core external thread parts and move between the walking track center of the shaft core external thread parts and the ends of the track, and the shaft position assemblies can be positioned and directionally locked; three groups of semicircular screens of the shaft core external thread component have six screens in total, every two adjacent semicircular screens form a circular screen, and three circular screens are distributed on the runway-shaped disc surface at the position of the centroid and at the symmetrical positions at the two sides of the centroid in total.
4. The novel tool carrier for well intervention as set forth in claim 1, said male threaded member of said mandrel, wherein: the number is even, a plurality of semicircular components are formed by the shaft cores and the external screw thread pieces; the shaft core is positioned on the inner side of the arc section at the intersection of the symmetric axis of the semicircular external thread piece and the arc section, and the shaft core and the semicircular external thread piece are assembled one to one; the shaft core is matched with a shaft core external thread shaft position assembly in a shaft core external thread member walking track on the disc surface of the track plate with the telescopic shaft lever, and the semicircular external thread members can be controlled to complete 180-degree turning or be kept still, so that two adjacent semicircular external thread members form an X-shaped or circular external thread short section; a circular external thread nipple joint or two circular external thread nipples of symmetric distribution in quotation centroid both sides of quotation centroid department, and the radius of the cross section circle of circular external thread nipple joint equals with the radius of the circular screens of quotation to be positioned and locked through axle core external screw thread axle position subassembly and circular screens on the quotation, circular external thread nipple joint is carried out the screw thread and is docked and lock with the workover tool internal thread after successfully assembling.
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| CN202210121040.6A CN114427359B (en) | 2022-02-09 | 2022-02-09 | Novel tool carrying device for well repair |
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| CN202210121040.6A CN114427359B (en) | 2022-02-09 | 2022-02-09 | Novel tool carrying device for well repair |
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