CN114427359B - Novel tool carrying device for well repair - Google Patents
Novel tool carrying device for well repair Download PDFInfo
- Publication number
- CN114427359B CN114427359B CN202210121040.6A CN202210121040A CN114427359B CN 114427359 B CN114427359 B CN 114427359B CN 202210121040 A CN202210121040 A CN 202210121040A CN 114427359 B CN114427359 B CN 114427359B
- Authority
- CN
- China
- Prior art keywords
- telescopic shaft
- track
- shaft rod
- tool
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008439 repair process Effects 0.000 title claims description 28
- 239000011229 interlayer Substances 0.000 claims abstract description 89
- 210000002445 nipple Anatomy 0.000 claims abstract description 25
- 238000005553 drilling Methods 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 3
- 238000000429 assembly Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 boreholes or wells
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Earth Drilling (AREA)
Abstract
A novel tool carrying device for repairing a well consists of a carrying cylinder, a track plate with a telescopic shaft rod and a semicircular shaft core external screw thread part, and is connected with a drilling tool through the head external screw thread of the carrying cylinder or by means of reducing screw threads. A plurality of semicircular shaft core external screw thread pieces controlled by the shaft core external screw thread shaft position component form a circular external screw thread nipple on the disc surface of the track plate with the telescopic shaft rod; the round external thread nipple is abutted and locked with the well repairing tool on the round clamping position of the non-top interlayer surface of the carrying cylinder through the telescopic shaft rod controlled by the telescopic shaft rod shaft position assembly on the top interlayer surface of the carrying cylinder and the disc surface shaft position assembly control disc surface on the track plate with the telescopic shaft rod, and the selection, replacement, assembly and independent or cooperative operation of various well repairing tools are completed underground through adjusting the length of the telescopic shaft rod of the track plate with the telescopic shaft rod and the height position of the telescopic shaft rod on the carrying cylinder. 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 when in use, the device does not need to assemble well repair tools and drilling tools one by one before well repair, only needs to carry and load various well repair tools which are possibly used at one time, selects tools according to actual conditions in the well, carries out downhole 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 variety and are used for detecting, salvaging, back-off, cutting, jarring, casing scraping, swelling 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 is dependent 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 well repairing process, the problem that the tools are replaced on the drilling tool and operated simultaneously in the underground space is worth of being deeply considered and developed by the professional technicians.
Disclosure of Invention
The invention provides a novel tool carrying device for well repairing, which is suitable for single use or simultaneous operation of well repairing tools such as clamping, drilling, grinding, cutting and the like in a downhole space, and can select and assemble the tools underground according to the actual conditions of the well by only placing the tools possibly needed before the well repairing into the device once without replacing the ground, thereby avoiding the series of problems that the used tools are repeatedly lifted and lowered between the ground and the well, especially two or more tools such as drilling, grinding, clamping, cutting and the like can not be cooperated with the well repairing operation.
The technical scheme adopted for solving the technical problems is as follows:
the device is connected to the end of the drilling tool directly through the external thread of the head part on the upper part of the carrying tube or through reducing. The track plate with the telescopic shaft rod is provided with a semicircular shaft core external thread piece which moves along the track and can be locked, the shaft core of the shaft core external thread piece controls the semicircular external thread piece to turn over 180 degrees, and every two external thread pieces are assembled into an X-shaped or circular external thread nipple. Adjusting the length of a shaft rod of a telescopic shaft rod of a track plate with the telescopic shaft rod, moving the telescopic shaft rod radial running track on the top separation layer of the carrying cylinder barrel in the radial direction inwards, and correspondingly performing rotary assembly on an external thread nipple formed on the track plate with the telescopic shaft rod and an internal thread of a well repair tool which is outwards moved by a tool radial running track on the non-top separation layer of the carrying cylinder barrel; the disc surface of the track plate with the telescopic shaft rod is turned through the shaft rotation of the telescopic shaft stem of the track plate with the telescopic shaft rod, so that a plurality of round external thread pup joints formed on the disc surface of the track plate with the telescopic shaft rod can be assembled with a well repair tool loaded by the carrier according to well repair requirements.
The carrying cylinder consists of a head external thread, a cylinder side wall, a cylinder interlayer, a track and an axle position component, and is directly connected with the drilling tool through the head external thread or connected with the drilling tool through reducing. The cylinder interlayer is divided into a top interlayer and a non-top interlayer, wherein the number of the top interlayer is one, and the number of the non-top interlayer is a plurality. The cross section of the external thread of the head is a ring, and the bottom of the head is coplanar with and integrally connected with the top interlayer of the cylinder interlayer. The side wall surface of the cylinder is perpendicular to the separating layer surface of the cylinder, and a semi-cylindrical space is formed by the side wall surface of the cylinder and the top separating layer of the cylinder; the vertical projection of the semi-cylinder is coincident with 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 semicircle is consistent with the radius of the circular cross section of the external thread of the head; the top interlayer is semicircular, the center of the non-top interlayer is provided with a semicircular notch with the radius slightly larger than the radius of the transverse section of the telescopic shaft rod of the track plate with the telescopic shaft rod, the number of the non-top interlayer is consistent with the number of interlayer spaces of the carrying barrel, an interlayer space is formed between every two barrel interlayers of the carrying barrel, a well repair tool can be carried in each interlayer space, the height can be adjusted according to the height of the well repair tool, namely, the side wall skeleton and the side wall face of the barrel are respectively telescopic rods of a telescopic structure, corrugated plates with telescopic functions and the like. Assembling a straight track along the direction perpendicular to the semicircular string line edge of the top interlayer from the semicircular center of the top interlayer, namely connecting two ends of the track with the semicircular center of the top interlayer and the circular edge line of the bottom of the external thread of the head part respectively, and arranging radial limit, wherein the two ends of the track and the connecting part are integrally formed, and the track is a radial running track of a telescopic shaft lever; the telescopic shaft rod radial walking track is internally provided with a telescopic shaft rod shaft position component which is used for connecting a telescopic shaft rod of a track plate with the telescopic shaft rod and controlling the telescopic shaft rod to do radial walking displacement in the track, and the telescopic shaft rod shaft position component can be positioned and locked. The telescopic shaft rod radial running track on the top interlayer plane of the cylinder interlayer is positioned at the intersection line of the same vertical plane and each non-top interlayer plane, telescopic straight tracks are assembled on the planes of each non-top interlayer, the tracks are all contracted in the non-top interlayer plane when the tracks are in the shortest length, the vertical projection boundary of the external threads of the head is not exceeded when the tracks are in the longest length, and the tracks are tool radial running tracks; the tool radial running track is internally provided with a tool shaft position component with a round tool clamping disc, and is used for controlling tools loaded on the clamping disc to do radial running displacement on the track, and the tool shaft position component can be positioned and locked.
The track plate with the telescopic shaft rod comprises the telescopic shaft rod, the disc surface, the track and the 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 shaft position assembly of the telescopic shaft rod radial running position track arranged on the plane of the top interlayer of the carrying cylinder. Under the action of the telescopic shaft rod axial position assembly, the track plate with the telescopic shaft rod can radially move on the telescopic shaft rod radial position track, and can radially move and move between the circle center of the semicircular surface of the top interlayer of the carrying cylinder and the radial limit, and can be positioned and locked. The telescopic shaft rod of the track plate with the telescopic shaft rod is formed by sleeving a plurality of rigid hollow pipes with different transverse section circular radiuses according to sections, the transverse section circular radiuses of the stretched shaft pipes are gradually reduced 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 as to ensure that the lower end head of the shaft pipe can be in threaded butt joint with and locked with a well repairing tool on the radial running track of each non-top interlayer plane tool of the carrying cylinder; the lower end of the shaft tube is connected with the runway-shaped disc surface with semicircular two sides and rectangular middle through the shaft position component with the circular clamping disc, and the shaft position component is a disc surface shaft position component which can be positioned and directionally locked, namely, the runway-shaped disc surface can rotate around the lower end of the shaft tube at the centroid of the runway-shaped disc surface and can be locked. The disc surface at one side without the telescopic shaft rod is provided with a straight track, the track is a shaft core external thread piece running 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 on two sides of the track, the shaft position components are shaft core external thread shaft position components and are used for connecting the semicircular shaft core external thread piece and controlling the semicircular shaft core external thread piece to rotate at the shaft core external thread shaft position components and run between the shaft core external thread piece running track center and the track end, and the shaft core external thread shaft position components can be positioned and locked in a directional manner; the three groups of semicircular clamping positions of the shaft core external thread component are six in total, and every two adjacent semicircular clamping positions form a circular clamping position, namely, one circular clamping position except for the disc surface centroid on the runway disc surface is symmetrically distributed on two sides of the centroid; the axle core of axle core external screw thread spare and axle core external screw thread axle position subassembly cooperation can control semi-circular external screw thread spare and accomplish 180 degrees upset for two adjacent semi-circular external screw thread spare form X or circular external screw thread nipple joint, move on axle core external screw thread spare walk a position track and by location locking in the circular screens department that the quotation formed.
The shaft core external screw thread piece is formed by one-to-one combination of a shaft core and a semicircular external screw thread piece, and the shaft core is positioned on the inner side of the circular arc section at the intersection point of the symmetrical axis of the semicircular external screw thread piece and the circular arc section. Under the cooperation of the shaft core and the shaft core external thread shaft position component which is arranged in the shaft core external thread piece walking track on the track plate runway type disc surface with the telescopic shaft rod, the semicircular external thread piece is turned 180 degrees or kept motionless, so that a circular external thread nipple at the disc surface centroid or two circular external thread nipples symmetrically distributed on two sides of the disc surface centroid are formed on the disc surface, the radius of the cross section circle of the circular external thread nipple is equal to the radius of the circular clamping position of the disc surface, and the circular clamping position and the shaft core external thread shaft position component on the disc surface are positioned and locked. After the round external thread nipple is successfully assembled, the round external thread nipple is in threaded butt joint with the internal thread of the well repair tool and is locked.
Compared with the prior art, the device structure for carrying a plurality of well repairing tools at one time is utilized, one or a plurality of external thread pup joints which are in threaded connection with the well repairing tools can be controlled through overturning and displacement, the selection and the assembling and the butting height of the well repairing tools are controlled by the telescopic shaft rod of the track plate with the telescopic shaft rod, so that the plurality of well repairing tools carried at one time are carried underground, the well repairing tools are selected and assembled underground according to the underground actual conditions, the ground operation of repeatedly lifting and lowering the used well repairing tools and installing and replacing the well repairing tools between the ground and the underground is avoided, and the problem that the plurality of well repairing tools cannot be simultaneously used for carrying out the operation when two or more well repairing tools such as drilling, grinding, clamping and cutting are required to carry out the collaborative operation is solved. The device has simple structure, obvious effect, easy installation and practical application and great technical popularization prospect.
Drawings
FIG. 1 is a schematic diagram of a novel tool carrier for well servicing according to the present invention.
Fig. 2 is a schematic view of a carrier.
Fig. 3 is a schematic view of an orbital plate with telescoping shafts.
Fig. 4 is a schematic view of an external screw member of the shaft core.
FIG. 5 is a schematic view of the novel tool carrier of the present invention in various conditions for workover.
Fig. 6 is a schematic diagram of the assembly of the track plate with the telescopic shaft rod and the external screw member of the shaft core in different states.
In the figure: 1. the carrier tube, the track plate with the telescopic shaft rod, the shaft core external screw thread piece, the tool shaft position component, the tool radial running track, the telescopic shaft rod radial running track, the radial limit, the telescopic shaft rod shaft position component and the tool radial running track, the radial limit and the telescopic shaft rod shaft position component, the device comprises a head part, external threads, a barrel side wall, a barrel interlayer, a shaft core external thread shaft position component, a shaft disc surface shaft position component, a disc surface, a shaft core external thread member running track, a telescopic shaft rod upper end, a shaft core and an external thread member.
Detailed Description
In the carrying barrel provided by the embodiment of the invention, the top interlayer of the barrel interlayer is semicircular, and the number of the top interlayer is one; the non-top interlayer of the cylinder interlayer is a semicircular notch with a radius slightly larger than the radius of the transverse section of the telescopic shaft rod of the track plate with the telescopic shaft rod at the center of the semicircular surface, and the number of the semicircular notches is multiple and consistent with the interlayer space of the carrying cylinder.
The cross section of the external thread of the head of the carrying barrel in the embodiment of the invention is circular, and the bottom of the carrying barrel is coplanar with the top interlayer of the barrel interlayer and integrally connected with the top interlayer.
The side wall skeleton and the side wall surface of the carrying barrel in the embodiment of the invention are respectively provided with a telescopic rod of a telescopic structure, a corrugated plate with a telescopic function and other structures; the side wall surface of the cylinder is perpendicular to the separating layer surface of the cylinder, and a semi-cylindrical space is formed by the side wall surface of the cylinder and the top separating layer of the cylinder; the vertical projection of the semi-cylinder coincides with 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 semicircular vertical projection coincides with the radius of the circular cross section of the external thread of the head.
In the carrying cylinder, a top interlayer of a cylinder interlayer is provided with a straight telescopic shaft rod radial running track along the direction perpendicular to the semicircular string edge of the top interlayer from the semicircular center, two ends of the track are respectively connected with the semicircular center of the top interlayer and the circular edge of the bottom of the external thread of the head, and two ends of the track are integrally formed with the connecting part; the track embeds flexible axostylus axostyle axle position subassembly, and axle position subassembly can be locked by the location.
In the carrying cylinder provided by the embodiment of the invention, straight tool radial running rails are assembled on the planes of the non-top interlayer of the cylinder interlayer, and the telescopic shaft radial running rails on the planes of the top interlayer of the cylinder interlayer are positioned at the intersection line of the same vertical plane and the planes of the non-top interlayer; the track is fully contracted in the non-top-separation layer surface when the track is in the shortest length, and the vertical projection boundary of the external thread of the head is not exceeded when the track is in the longest length; the track embeds the instrument axle position subassembly that has the instrument screens, and axle position subassembly can be fixed a position locking.
The track board with the telescopic shaft rod in the embodiment of the invention is formed by sleeving a plurality of rigid hollow pipes with different cross section circle radiuses according to sections; the cross section circle radius of the rigid hollow tube is gradually decreased from top to bottom, and the length of each rigid neutral tube is smaller than the minimum interlayer space height of the carrying tube; the lower end of the shaft tube is connected with the runway-shaped disc surface with semicircular two sides and rectangular middle through the disc surface shaft position assembly with the circular clamping position, and the runway-shaped disc surface can rotate around the lower end of the shaft tube at the centroid of the runway-shaped disc surface and is locked.
The track board with the telescopic shaft rod in the embodiment of the invention is provided with the straight shaft core external screw thread piece running track on the disc surface without the telescopic shaft rod, the center of the track is positioned at the centroid of the disc surface, three groups of shaft core external screw thread shaft position components with semicircular clamping positions are symmetrically arranged on two sides of the track board, and the shaft position components can be positioned and directionally locked.
The shaft core external screw thread piece in the embodiment of the invention has the advantages that the shaft core is positioned in the arc section at the intersection point of the symmetrical axis of the semicircular external screw thread piece and the arc section, and the shaft core and the semicircular external screw thread piece are assembled one by one.
Embodiments of the invention:
a novel tool carrying device schematic diagram, a carrying barrel schematic diagram, a track plate schematic diagram with a telescopic shaft rod and a shaft core external screw member schematic diagram for well repairing are shown in the accompanying drawings 1, 2, 3 and 4 respectively. The whole tool carrying device is formed by combining a carrying cylinder (1), a track plate (2) with a telescopic shaft rod and a plurality of shaft core external screw thread pieces (3). The carrying barrel (1) is a semi-closed semi-cylindrical space formed by a head external thread (16), a barrel interlayer (18) and a barrel 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 barrel interlayer (18), the bottom surface of each small space, namely a non-top interlayer of the barrel interlayer (18), is a semicircular surface with a semicircular notch at the center, a telescopic straight tool radial running track (12) is assembled on the symmetry axis of the non-top interlayer, a tool shaft position assembly (11) with a circular tool clamping position is arranged in the track, and is used for linking a well repairing tool through the tool shaft position assembly (11) and moving radially on the tool radial running track (12) so that the tool moves into or moves out of the semi-closed semi-cylindrical space of the carrying barrel (1). When the well-repairing tool is moved into the semi-cylindrical space of the carrying cylinder (1) and is not used, the tool shaft position assembly (11) and the round tool clamping position thereof lock the well-repairing tool. The top interlayer of the cylinder interlayer (18) is a semicircular surface and is integrally formed and connected with the annular bottom surface of the head external thread (16), a straight telescopic shaft radial running track (13) is assembled at the position of the boundary line of the top interlayer surface and the open side symmetrical surface of the carrier cylinder (1), the track is integrally formed and connected with the top interlayer and the head external thread (16) from the semicircular center of the top interlayer to the bottom surface side line of the head external thread (16), a telescopic shaft axial position assembly (15) is arranged in the track, the upper end (25) of the telescopic shaft of the track plate (2) for connecting the telescopic shaft is connected, and the telescopic shaft of the track plate (2) with the telescopic shaft is controlled in a linkage mode, so that the disc surface (23) of the track plate (2) with the telescopic shaft can stretch out and draw back in the vertical direction below the head external thread (16) of the carrier cylinder (1), namely the disc surface (23) can reach the space of the carrier cylinder (1) and the well tool conveyed by the tool radial running track (12) on each non-top interlayer, and the telescopic shaft axial position assembly is butted with the telescopic shaft axial position assembly (14) positioned at any radial position along the radial position of the radial center of the telescopic shaft (13) below the control shaft. A straight shaft core external thread piece walking track (24) is assembled on one side of a disc surface (23) of a track plate (2) with a telescopic shaft rod along the long axis of the disc surface, the track centroid corresponds to the centroid of the runway type disc surface (23) and the telescopic shaft rod of the track plate (2) with the telescopic shaft rod, a disc surface shaft position component (22) with a circular clamping position is arranged in the centroid of the shaft core external thread piece walking track (24), namely one end of the telescopic shaft rod of the track plate (2) with the telescopic shaft rod is connected with the telescopic shaft rod shaft position component (15), the other end of the telescopic shaft rod is connected with the disc surface shaft position component (22) of the external thread piece walking track (24) on the runway type disc surface (23), and the disc surface shaft position component (22) can be positioned and directionally locked, namely the runway type disc surface (23) can rotate around the lower end of the shaft tube and be locked. The barrel side wall (17) of the carrying barrel (1) is of a telescopic structure, a telescopic rod with a telescopic function, a corrugated plate with a telescopic function and the like, so that the space height between every two barrel interlayer (18) can be adjusted according to the height of a carried well repair tool, and meanwhile, the barrel side wall (17) forms a protection effect on the well repair tool carried in the carrying barrel (1). The shaft core external screw thread component (21) with six semicircular clamping positions in total is symmetrically arranged on the two sides of the disc surface shaft position component (22) in the shaft core external screw thread component walking track (24) and is used for connecting the semicircular shaft core external screw thread component (3) and controlling the shaft core external screw thread component (21) to rotate and walk and move between the center and the end of the shaft core external screw thread component walking track (24), and the shaft core external screw thread shaft position component (21) can be positioned and directionally locked; every two adjacent semicircular clamping positions form a circular clamping position, namely three circular clamping positions in total of the runway-shaped disc surface (23). The shaft core (31) of the shaft core external screw thread piece (3) and the shaft core external screw thread shaft position assembly (21) are matched to control the semicircular external screw thread pieces (32) to finish 180-degree overturning, so that two adjacent semicircular external screw thread pieces (32) form an X-shaped or circular external screw thread pup joint, and the shaft core external screw thread piece is moved through the shaft core external screw thread piece walking track (24) and positioned and locked at a circular clamping position. Under the cooperation of an axle core external thread component (21) arranged in an axle core external thread component walking track (24) on an axle core (31) and an track plate (2) runway type disc surface (23) with a telescopic shaft rod, a semicircular external thread component (32) can complete 180-degree overturning or keep motionless, so that a circular external thread nipple positioned at the centroid of the disc surface (23) or two circular external thread nipples symmetrically distributed on two sides of the centroid of the disc surface (23) can be formed on the disc surface (23), the radius of a cross section circle of the circular external thread nipple is equal to the radius of a circular clamping position of the disc surface (23), and the circular clamping position and the circular external thread nipple are positioned and locked through the axle core external thread axle position component (21) on the disc surface (23).
In different states, a schematic diagram of the novel tool carrying device for well workover is shown in fig. 5 and fig. 6, and a schematic diagram of the assembly of the track plate with the telescopic shaft rod and the shaft core external screw member is shown in fig. 5 and fig. 6. In the using process of the whole tool carrying device, firstly, the height of the side wall (17) of the carrying barrel (1) is adjusted in advance on the ground, a plurality of well repairing tools which can be used underground are carried on a round tool clamping position of a tool shaft position assembly (11) of a tool radial position track (12) in a barrel interlayer (18) of the carrying barrel (1), and then the whole device is directly connected with a drilling tool through a head external thread (16) of the carrying barrel (1) or connected with the drilling tool through a reducing thread; the length of the telescopic shaft rod of the track plate (2) with the telescopic shaft rod is controlled and regulated by the telescopic shaft rod shaft position component (15) and the disc surface shaft position component (22), so that the disc surface (23) is positioned at the idle position of each interlayer space of the carrying cylinder (1), and the telescopic shaft rod of the track plate (2) with the telescopic shaft rod is positioned at the center of the semicircular top interlayer of the cylinder interlayer (18) of the carrying cylinder (1), so that the whole tool carrying device is completely positioned in the cylinder structural space of the carrying cylinder (1) and is protected in the well descending process; the whole device is lowered into the well along with the drilling tool. Secondly, the device reaches a well repair target position, according to practical problems and tool requirements, a tool shaft position assembly (11) is used for controlling the upper end head (25) of a telescopic shaft rod of a track plate (2) with the telescopic shaft rod in a linkage mode to move along a tool radial position track (12), radial outward movement is carried out between the center of a semicircular top interlayer of a cylinder interlayer (18) of a carrying cylinder (1) and a radial limit (14), and the length of the telescopic shaft rod is adjusted to enable a disc surface (23) to reach the height position of the cylinder interlayer (18) where a selected well repair tool is located. If only one well repair tool is needed for each operation, the shaft core (31) of the shaft core external screw thread piece (3) is controlled by the shaft core external screw thread shaft position component (21), two adjacent semicircular external screw thread pieces (32) positioned in the middle of the disc surface (23) are selected to finish 180-degree rotation or to be kept still as required, and finally one circular external screw thread nipple of the two adjacent semicircular external screw thread pieces (32) is positioned at the centroid of the disc surface (23); and along the radial running track (12) of the telescopic tool, the tool shaft position assembly (11) is used for controlling the selected well repairing tool to be in butt joint with the round external thread nipple at the centroid of the disc surface (23) controlled by the telescopic shaft position assembly (15) and the disc surface shaft position assembly (22), and the well repairing tool which is in butt joint is locked at the round clamping position at the centroid of the disc surface (23), so that the well repairing tool is selected and assembled. If more than one well repair tool is needed for each operation, two symmetrical external thread pup joints are required to be controlled and adjusted on two sides of the centroid of the disc surface (23), and the well repair tools which are well connected are locked at two symmetrical circular clamping positions of the disc surface (23) through the same operation. And the telescopic shaft rod shaft position assembly (15) and the disc surface shaft position assembly (22) control the track plate (2) with the telescopic shaft rod to radially move along the telescopic shaft rod radial running track (13) so that the track plate is positioned at the free position of the device space, and the length of the telescopic shaft rod of the track plate (2) with the telescopic shaft rod can be adjusted so as to ensure that the disc surface (23) is positioned below the carrying cylinder. Finally, the track plate (2) with the telescopic shaft rod is controlled by the telescopic shaft rod shaft position assembly (15) to move radially along the radial running track (13) of the telescopic shaft rod, so that the upper end head (25) of the telescopic shaft rod is positioned at the center of a semicircular top interlayer of the barrel interlayer (18) of the carrying barrel (1) and locked by positioning, and at the moment, the whole tool carrying device completely finishes the selection, assembly and running position adjustment before the operation of the well repairing tool, and well repairing operation can be performed. When the well repair operation is finished, the operations are reversed, and the device is lifted to the ground and unloaded.
The above description of the present invention in further detail in connection with the preferred embodiments of the present invention is not intended to limit the embodiments of the present invention to these, and the number of male threaded members of the mandrel in the embodiments of the present invention may be increased to a range where more than two well servicing tools may be operated simultaneously. It will be apparent to those skilled in the art that a number of other simple and alternative designs may be devised without departing from the spirit of the invention, and these should be considered as falling within the scope of the invention as defined by the appended claims.
Claims (4)
1. A novel tool carrying device for well repair is composed of a carrying cylinder, a track plate with a telescopic shaft rod and a semicircular shaft core external screw thread piece, wherein the structural device is in a cylindrical shape, and is directly connected with a drilling tool through the external screw thread of the head of the carrying cylinder or connected with the drilling tool through a reducing screw thread; the carrying barrel is a semi-closed semi-cylindrical space consisting of a head external thread, a barrel interlayer and a barrel side wall from top to bottom and from outside to inside, and is provided with a tool radial running track, a tool shaft position assembly with a round tool clamping position, a telescopic shaft radial running track, a radial limit and a telescopic shaft position assembly; the cross section of the external thread of the head of the carrying tube is circular, and the bottom of the external thread of the head is coplanar with the top interlayer of the tube interlayer and integrally connected with the top interlayer; the side wall surface of the carrying barrel is perpendicular to the barrel separation layer, a semi-cylindrical space is formed by the side wall surface of the carrying barrel and the top separation layer of the barrel separation layer, the side wall skeleton of the barrel and the side wall surface are respectively provided with a telescopic shaft rod of a telescopic structure, a corrugated plate with a telescopic function and other structures, so that the space height between every two barrel separation layers can be adjusted according to the height of a carried well repair tool, and meanwhile, the side wall of the barrel forms a protection function on the well repair tool carried in the carrying barrel; the top interlayer of the cylinder interlayer of the carrying cylinder is assembled with a straight telescopic shaft rod radial running track along the vertical direction of the semicircular string edge of the top interlayer at the semicircular circle center, two ends of the track are respectively connected with the semicircular circle center of the top interlayer and the circular edge of the bottom of the external thread of the head, two ends of the track are integrally formed with the connecting part, and a telescopic shaft rod shaft position component is arranged in the track and can be positioned and locked; the method comprises the steps that straight tool radial running rails are assembled on each non-top-separation layer surface of a cylinder interlayer of a carrying cylinder, the telescopic shaft radial running rails of the rails on the top-separation layer surface of the cylinder interlayer are positioned at the intersection line of the same vertical plane and each non-top-separation layer surface, tool shaft position components with round tool clamping positions are arranged in the rails, and the shaft position components can be positioned and locked; the track board with the telescopic shaft rod consists of a telescopic shaft rod, a disc surface, a shaft core external screw thread piece running track, a shaft core external screw thread shaft position assembly with a semicircular clamping position and a semicircular disc surface shaft position assembly, and is connected with the telescopic shaft rod shaft position assembly arranged in the telescopic shaft rod radial running track on the top interlayer plane of the carrying cylinder through the upper end head of the telescopic shaft rod, and moves on the telescopic shaft rod radial running track arranged in the telescopic shaft rod shaft position assembly arranged on the top interlayer plane of the carrying cylinder; the telescopic shaft rod of the track plate with the telescopic shaft rod is formed by sleeving a plurality of rigid hollow pipes with different transverse section circular radiuses according to sections, the transverse section circular radiuses of the rigid hollow pipes are gradually reduced from top to bottom after the rigid hollow pipes are stretched, 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 head of the shaft pipe can be in threaded butt joint and locked with a well repairing tool on a tool radial running track of each non-top separation layer of the carrying cylinder, the lower end head of the telescopic shaft pipe is connected with a runway disc surface through a disc surface shaft position assembly with a circular clamping position, and the disc surface centroid can rotate around the lower end head of the shaft pipe and be locked; the method comprises the steps that a straight shaft core external thread piece running track is assembled on a disc surface on one side without a telescopic shaft rod, the track center is located at the disc surface centroid, three groups of shaft core external thread shaft position assemblies with semicircular clamping positions are symmetrically arranged on two sides of the track center, and are used for connecting the semicircular shaft core external thread pieces, controlling the semicircular shaft core external thread pieces to rotate at the shaft core external thread assemblies and running between the shaft core external thread piece running track center and the track end, and the shaft position assemblies can be positioned and directionally locked; the shaft core external screw thread piece of the track plate with the telescopic shaft rod consists of a shaft core and an external screw thread piece, the shaft core is positioned at the inner side of the circular arc section at the intersection point of the symmetrical axis of the semicircular external screw thread piece and the circular arc section, the shaft core and the semicircular external screw thread piece are assembled one by one, the nipple on the disc surface is positioned and locked through the shaft core external screw thread shaft position component and the circular clamping position on the disc surface, and the circular external screw thread nipple is in screw thread butt joint and locked with the internal screw thread of the well repair tool after successful assembly; the shaft core external screw thread pieces are assembled on one side of the disc surface of the track plate with the telescopic shaft rod; the method is characterized in that: the carrying cylinder is divided into a plurality of semi-cylindrical interlayer spaces, and the bottom surface of the interlayer space is provided with a telescopic tool radial running track with a built-in tool shaft position component; the well repairing tool completes the movement of the well repairing tool inside and outside the interlayer of the carrying cylinder through a tool shaft position component arranged in the track; the telescopic shaft rod shaft position assembly of the telescopic shaft rod radial position track is arranged on the top separation layer of the carrying cylinder to control the telescopic shaft rod, the disc surface shaft position assembly controls the disc surface below the track plate with the telescopic shaft rod, the shaft core external thread shaft position assembly of the shaft core position track is arranged on the disc surface to control a plurality of semicircular shaft core external thread members, and a circular external thread nipple can be formed through rotation; the round external thread nipple is in butt joint and locked with a well repair tool which moves along a tool radial running track through a tool shaft position assembly; the length of the telescopic shaft rod of the track plate with the telescopic shaft rod is adjusted, the selection, replacement, assembly and independent or cooperative operation of various well repair tools are completed in the pit at the position of the carrying cylinder, and the problem that two or more tools cannot be cooperatively used for well repair operation due to repeated lifting and lowering of the used tools between the ground and the pit is avoided.
2. A novel tool carrier for well servicing of claim 1, wherein: the number of the carrying drums is one, and the carrying drums are cylindrical; the vertical projection of the semi-cylinder formed by the cylinder side wall surface and the cylinder interlayer surface of the carrying cylinder is overlapped with 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 semicircular vertical projection is consistent with the radius of the circular cross section of the external thread of the head; the radial running tracks of the telescopic shaft rods are all contracted in the non-top-separation layer surface when the radial running tracks are in the shortest length, and the vertical projection boundaries of the external threads of the head are not exceeded when the radial running tracks are in the longest length.
3. A novel tool carrier for well servicing of claim 1, wherein: the number of the track plates with the telescopic shaft rods is one; the surface of the track plate of the telescopic shaft rod is in a runway shape, namely, two sides are semicircular and the middle is rectangular; under the action of the telescopic shaft rod axial position assembly, a track plate with a telescopic shaft rod can do radial displacement and movement on a radial displacement track of the telescopic shaft rod and can be positioned and locked between the circle center of a semicircular surface of a top interlayer of a cylinder interlayer of the carrying cylinder and the limit of a radial edge; the three groups of semicircular clamping positions of the external thread component of the shaft core of the track plate with the telescopic shaft rod are six in total, each two adjacent semicircular clamping positions form a circular clamping position, and three circular clamping positions are distributed on the surface of the runway type disc at the centroid and symmetrical positions on two sides of the centroid.
4. A novel tool carrier for well servicing of claim 1, wherein: the number of the shaft core external screw thread pieces is a plurality of even numbers; the shaft core of the shaft core external thread piece is matched with the shaft core external thread shaft position component in the shaft core external thread piece running track on the disc surface of the track plate with the telescopic shaft rod, so that the semicircular external thread pieces can be controlled to finish 180-degree overturning or to be kept still, and two adjacent semicircular external thread pieces form an X-shaped or circular external thread nipple; the track plate comprises a track plate, a circular external thread nipple and a telescopic shaft rod, wherein the circular external thread nipple is arranged at the center of the disc surface of the track plate with the telescopic shaft rod or two circular external thread nipples symmetrically distributed at two sides of the center of the disc surface, and the radius of a cross section circle of the circular external thread nipple is equal to the radius of a circular clamping position of the disc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121040.6A CN114427359B (en) | 2022-02-09 | 2022-02-09 | Novel tool carrying device for well repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121040.6A CN114427359B (en) | 2022-02-09 | 2022-02-09 | Novel tool carrying device for well repair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114427359A CN114427359A (en) | 2022-05-03 |
| CN114427359B true CN114427359B (en) | 2023-07-18 |
Family
ID=81312728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210121040.6A Active CN114427359B (en) | 2022-02-09 | 2022-02-09 | Novel tool carrying device for well repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114427359B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145098A (en) * | 2020-09-30 | 2020-12-29 | 中石化四机石油机械有限公司 | Environment-friendly workover operation platform with rotatable platform surface and use method |
| CN113404458A (en) * | 2021-06-30 | 2021-09-17 | 中海油能源发展股份有限公司 | Floating sealing device and under-pressure well repairing operation method for opening tool |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2556405B1 (en) * | 1983-12-12 | 1988-10-14 | Otis Eng Co | APPARATUS AND METHOD FOR ROTATING A WOUND COLUMN IN A WELL |
| GB2258675A (en) * | 1991-08-16 | 1993-02-17 | Bp Exploration Operating | Workover system with multi bore converter |
| US6989764B2 (en) * | 2000-03-28 | 2006-01-24 | Schlumberger Technology Corporation | Apparatus and method for downhole well equipment and process management, identification, and actuation |
| US20080202769A1 (en) * | 2007-02-28 | 2008-08-28 | Dupree Wade D | Well Wall Gripping Element |
| US20080264649A1 (en) * | 2007-04-29 | 2008-10-30 | Crawford James D | Modular well servicing combination unit |
| US7793918B2 (en) * | 2007-09-05 | 2010-09-14 | Key Energy Services, Llc | Method and system for governing block speed |
| CN103510896B (en) * | 2013-10-09 | 2016-01-20 | 中国石油大学(北京) | Horizontal sleeve type connector for deep water manifold erecting tools |
| US10036210B2 (en) * | 2015-05-01 | 2018-07-31 | Zilift Holdings, Ltd. | Method and system for deploying an electrical submersible pump in a wellbore |
| CN105937371B (en) * | 2016-06-07 | 2018-05-25 | 湖南三一石油科技有限公司 | Workover rig integration apparatus and its tubing string disconnect device |
| CN110318692B (en) * | 2018-03-30 | 2020-08-25 | 杨志英 | Device for unmanned lifting and lowering oil pipe at well head in well repairing operation |
| CN111140184B (en) * | 2020-03-08 | 2021-08-17 | 辽宁石油化工大学 | A novel manual slips device for well drilling and well workover |
| CN112627745B (en) * | 2021-03-10 | 2021-07-23 | 东营市海天自动化工程有限责任公司 | Hydraulic workover rig with high lifting speed |
-
2022
- 2022-02-09 CN CN202210121040.6A patent/CN114427359B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145098A (en) * | 2020-09-30 | 2020-12-29 | 中石化四机石油机械有限公司 | Environment-friendly workover operation platform with rotatable platform surface and use method |
| CN113404458A (en) * | 2021-06-30 | 2021-09-17 | 中海油能源发展股份有限公司 | Floating sealing device and under-pressure well repairing operation method for opening tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114427359A (en) | 2022-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090200041A1 (en) | Expansion Cone for Expandable Liner Hanger | |
| CN111425699B (en) | Foldable pipeline creeping mechanism | |
| CN112145099B (en) | Environment-friendly automatic operation platform integrated with workover host and use method | |
| CN114427359B (en) | Novel tool carrying device for well repair | |
| CN112443286B (en) | Underground oil casing plasma cutting device and method | |
| CN111042541A (en) | Large-span welding spherical cylindrical net shell jacking construction method | |
| US4270876A (en) | Method of lining a vertical mine shaft with concrete | |
| US20110214917A1 (en) | Power Swivel Stand Having Pivoting Positioning Arms | |
| CN112173657A (en) | Workpiece conveying, positioning and clamping combined automatic line | |
| CN206028377U (en) | Barrel circularity orthotic devices | |
| CN211258545U (en) | Plasma cutting device for underground oil casing | |
| CN113857741A (en) | Automatic welding robot for curved-surface tube plates | |
| CN105887934A (en) | Cover plate moving device based on rhombic elevating mechanism and screw mechanism | |
| CN109469452B (en) | Automatic adjusting mechanism for spacing between two layers of fingerboards of drilling and workover rig | |
| CN216143379U (en) | Non-excavation prosthetic devices that double-walled bellows part is incomplete sinks | |
| CN108240205B (en) | Underground casing two-stage cone expansion device and operation method thereof | |
| CN112796655B (en) | Pipeline is laid with boring hole device under town road | |
| CN2844407Y (en) | Fluid pressure type down-hole deformed casing obturator | |
| CN113714670A (en) | Vertical butt joint lowering method for expansion pipe | |
| CN205822242U (en) | Cover plate mobile device based on rhombus elevating mechanism and screw mechanism | |
| CN216813130U (en) | Push bench for laying underground pipeline | |
| CN115059830B (en) | Non-excavation prosthetic devices of pipeline | |
| CN217142647U (en) | Device for cutting groove of lining plate in large-diameter circular pipe | |
| US4102411A (en) | Drill stem for drilling upwardly | |
| CN219888882U (en) | Quick splicing structure for road pipe network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |