CN110067552B - Oil gas well tubular column vibration simulation testing arrangement - Google Patents

Oil gas well tubular column vibration simulation testing arrangement Download PDF

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Publication number
CN110067552B
CN110067552B CN201910451114.0A CN201910451114A CN110067552B CN 110067552 B CN110067552 B CN 110067552B CN 201910451114 A CN201910451114 A CN 201910451114A CN 110067552 B CN110067552 B CN 110067552B
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shaft
module
baffle
load
axial
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CN110067552A (en
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田家林
杨应林
刘亚迪
周思奇
宋俊阳
宋豪林
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Southwest Petroleum University
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Southwest Petroleum University
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/025Measuring arrangements

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  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • General Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses a vibration simulation testing device for an oil-gas well pipe column, which consists of a power module, a pressurizing module, a shaft module, an excitation module and a load module, wherein the pressurizing module, the shaft module, the excitation module and the load module are sequentially arranged at the front end of the power module. The power module of the oil-gas well pipe column vibration simulation test device can provide input rotating speed and driving torque to drive the drill bit to rotate, the pressurizing module can provide drilling pressure for the drill bit to form axial displacement, the contact state of the drill string between the underground and a well wall is simulated through the shaft module, the exciting module can simulate axial, circumferential and radial exciting load action, and the load module can simulate interaction between the drill bit and rock. The oil-gas well pipe column vibration simulation testing device can simulate real underground drill column boundary conditions, different function realization mechanisms are in modular design, disassembly and assembly can be carried out according to different simulation experiment requirements, and the applicability of the testing device is improved.

Description

Oil gas well tubular column vibration simulation testing arrangement
Technical Field
The invention belongs to the technical field of petroleum and natural gas engineering, and particularly relates to a design of a vibration simulation testing device for an oil and gas well pipe column, which is mainly applied to the research of vibration simulation experiments of the oil and gas well pipe column.
Background
Along with the continuous exploration and development of oil gas resources, traditional oil gas resources are gradually exhausted, drilling engineering gradually develops to unconventional oil gas resource exploitation, and under the novel oil gas resource exploitation condition, the drilling technology faces more technical challenges. In order to adapt to the development of a novel oil and gas resource exploration and development technology and improve the drilling efficiency of oil and gas well drilling engineering and ensure the safety of drilling production operation, relevant research institutions or scholars perform a large amount of basic research, including drilling theory research, drilling new tool development and the like. However, the actual underground working conditions of the drilling engineering are complex, researchers are difficult to really master the underground working conditions of the drill string and the drilling tool, theoretical research is usually completed by simplifying editing conditions and by making assumptions on more empirical conditions, and the reliability of the research result cannot be fully guaranteed.
In order to better perform related theoretical research and promote the development of a novel drilling technology, a set of experimental model capable of simulating underground working conditions is established, and the urgent need for developing drill string dynamics research is provided. The existing oil-gas well pipe column vibration test simulation device is complex in structure, single in function, high in manufacturing cost and high in limitation. Therefore, the experimental device capable of simulating the real tubular column vibration characteristic of the oil-gas well is designed and researched, assistance can be provided for relevant theoretical experimental research, and the accuracy of theoretical research results can be verified. Especially, the simulation drill string has proposed higher requirement to the experimental testing device at complicated boundary condition, external load and the interact law between shaft bottom rock and the drill bit in the pit, makes to establish perfect functional module, realizes multi-functional simulation experiment test, becomes the necessary function of novel oil gas well tubular column vibration testing arrangement.
Disclosure of Invention
The invention aims to solve the problems that the existing experimental device has single function and can simulate the working condition of an underground drill string more really, and provides a vibration simulation testing device for an oil-gas well pipe column. The oil-gas well pipe column vibration simulation testing device provided by the invention provides input rotating speed and driving torque through the power module to drive the drill bit to rotate, the pressurizing module can provide drilling pressure for the drill bit and can form axial displacement, the contact state of the drill string between the underground and the well wall is simulated through the shaft module, the exciting module can simulate axial, circumferential and radial exciting load action, and the load module can simulate interaction between the drill bit and rock.
The technical scheme of the invention is as follows: the oil-gas well pipe column vibration simulation testing device consists of a power module, a pressurization module, a shaft module, an excitation module and a load module; the power module mainly comprises a base, a bolt, a fixing part, a bolt gasket, a nut, a power baffle, a cover plate, a power motor, a belt pulley, a spline shaft and a spline belt pulley, wherein the bolt, the fixing part, the bolt gasket and the nut are combined together to form a fixing mechanism; the pressurizing module mainly comprises a spring seat, a spring, a chuck, a spring baffle, an upper shaft, a guy rope and a weighting block, wherein the spring seat is arranged at the front end of the spline shaft; the shaft module mainly comprises a shaft baffle, a shaft mounting seat, a shaft and a centering block, wherein the shaft baffle is arranged between a base and a cover plate and is fixed by a fixing mechanism; the excitation module mainly comprises a circumferential motor, a pawl, a ratchet wheel, a circumferential motor support, a lower shaft, an axial motor, a connecting rod, an axial wheel, a rotating block and an axial motor support, wherein the upper shaft and the lower shaft are connected together through a reverse mounting chuck; the load module mainly comprises a drill bit, a load disc and a load baffle plate, wherein the drill bit is arranged at the front end of the lower shaft, the load disc is arranged on the load baffle plate, the load baffle plate is arranged between the base and the cover plate and is fixed through the fixing mechanism, and the contact state between the load disc and the drill bit is adjusted by adjusting the position between the load baffle plates;
the base and the cover plate are both provided with guide rail grooves for mounting a power baffle, a spring baffle, a shaft baffle, a circumferential motor support, an axial motor support and a load baffle.
The two ends of the power baffle, the spring baffle, the shaft baffle, the circumferential motor support, the axial motor support and the load baffle are provided with positioning blocks which are matched with the guide rail grooves on the base and the cover plate.
The invention has the beneficial effects that: (1) the oil-gas well pipe column vibration simulation testing device can simulate real underground drill column boundary conditions including input rotating speed, driving torque, pressurization, drilling, exciting load and load action, is complete in function, and has practical significance on drill column dynamics research; (2) different function realization mechanisms are in modular design, and can be assembled and disassembled according to different simulation experiment requirements, so that the applicability of the testing device is improved; (3) the simulation test device is small in overall size, and different functional modules are arranged between the base and the cover plate, so that the simulation test device is convenient to position and install.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the fixing mechanism.
Fig. 3 is a schematic view of the structure of the fixing member.
FIG. 4 is a schematic view of the structure of the pulley.
FIG. 5 is a schematic view of the spline shaft structure.
Fig. 6 is a schematic structural view of a splined pulley.
Fig. 7 is a schematic diagram of a wellbore installation.
FIG. 8 is a schematic view of the ratchet structure.
In the figure, 1, a base, 2, a bolt, 3, a fixing piece, 4, a bolt gasket, 5, a nut, 6, a power baffle, 7, a cover plate, 8, a power motor, 9, a belt, 10, a belt pulley, 11, a spline shaft, 12, a spline belt wheel, 13, a spring seat, 14, a spring, 15, a chuck, 16, a spring baffle, 17, an upper shaft, 18, a guy rope, 19, a weighting block, 20, a shaft baffle, 21, a shaft mounting seat, 22, a shaft, 23, a centering block, 24, a circumferential motor, 25, a pawl, 26, a ratchet wheel, 27, a circumferential motor support, 28, a lower shaft, 29, an axial motor, 30, a connecting rod, 31, an axial wheel, 32, a rotating block, 33, an axial motor support, 34, a drill bit, 35, a load disk and 36 are shown.
Detailed Description
Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that the embodiments shown and described in the drawings are merely exemplary and are intended to illustrate the principles and spirit of the invention, not to limit the scope of the invention.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.
Referring to the attached drawings, the oil and gas well pipe column vibration simulation testing device consists of a power module, a pressurization module, a shaft module, an excitation module and a load module; the power module mainly comprises a base 1, a bolt 2, a fixing piece 3, a bolt gasket 4, a nut 5, a power baffle 6, a cover plate 7, a power motor 8, a belt 9, a belt pulley 10, a spline shaft 11 and a spline belt pulley 12, wherein the bolt 2, the fixing piece 3, the bolt gasket 4 and the nut 5 are combined together to form a fixing mechanism, the power motor 8 is installed on the base 1, the belt pulley 10 is installed on an output shaft of the power motor 8 through a key connection, the belt 9, the spline belt pulley 12 and the spline shaft 11 are installed on the power baffle 6 after being matched, the belt 9 is matched with the belt pulley 10, then the cover plate 7 is installed at the top of the power baffle 6, and finally the power baffle 6, the base 1 and the cover plate 7 are fixed together through the fixing mechanism; the pressurizing module mainly comprises a spring seat 13, a spring 14, a chuck 15, a spring baffle 16, an upper shaft 17, a guy rope 18 and a weighting block 19, wherein the spring seat 13 is arranged at the front end of the spline shaft 11, the chuck 15 is arranged at the front end of the spring seat 13, the upper shaft 17 is arranged at the front end of the chuck 15, then the spring 14 is arranged at the front end of the spring seat 13, the guy rope 18 is fixedly connected with the spring seat 13 through a small hole in the spring baffle 16, the weighting block 19 is connected with the lower end of the guy rope 18, the spring baffle 16 is arranged between the base 1 and the cover plate 7, and the spring baffle 16 is fixed through a fixing mechanism; the shaft module mainly comprises a shaft baffle 20, a shaft mounting seat 21, a shaft 22 and a centering block 23, wherein the shaft baffle 20 is arranged between the base 1 and the cover plate 7 and is fixed by a fixing mechanism, the shaft mounting seat 21 is arranged on the shaft baffle 20, the shaft 22 is arranged at the front end of the shaft mounting seat 21, the centering block 23 is arranged in the shaft 22, and the shaft 22 is fixed between the two shaft baffles 20 by adjusting the position of the shaft baffle 20; the excitation module mainly comprises a circumferential motor 24, a pawl 25, a ratchet 26, a circumferential motor support 27, a lower shaft 28, an axial motor 29, a connecting rod 30, an axial wheel 31, a rotating block 32 and an axial motor support 33, the upper shaft 17 is connected to the lower shaft 28 by mounting the chuck 15 in the reverse direction, the ratchet 26 is mounted on the lower shaft 28, the circumferential motor 24 is mounted on the circumferential motor bracket 27, the circumferential motor 24 and the ratchet wheel 26 are matched together through the pawl 25 to form a circumferential excitation module, the axial motor 29 is arranged on an axial motor bracket 33, the connecting rod 30 is arranged on the lower shaft 28, the axial wheel 31 is arranged on the connecting rod 30, the axial motor 29 and the axial wheel 31 are matched together through the rotating block 32 to form an axial excitation module, and the circumferential motor support 27 and the axial motor support 33 are arranged between the base 1 and the cover plate 7 and are fixed through a fixing mechanism; the load module mainly comprises a drill 34, a load disc 35 and a load baffle 36, wherein the drill 34 is arranged at the front end of the lower shaft 28, the load disc 35 is arranged on the load baffle 36, the load baffle 36 is arranged between the base 1 and the cover plate 7 and is fixed by a fixing mechanism, and the contact state between the load disc 35 and the drill 34 is adjusted by adjusting the position between the load baffle 36;
the base 1 and the cover plate 7 are both provided with guide rail grooves for installing the power baffle 6, the spring baffle 16, the shaft baffle 20, the circumferential motor support 27, the axial motor support 33 and the load baffle 36. The two ends of the power baffle 6, the spring baffle 16, the shaft baffle 20, the circumferential motor support 27, the axial motor support 33 and the load baffle 36 are provided with positioning blocks which are matched with the guide rail grooves on the base 1 and the cover plate 7.

Claims (3)

1. Oil gas well tubular column vibration simulation testing arrangement, its characterized in that: the oil-gas well pipe column vibration simulation testing device consists of a power module, a pressurization module, a shaft module, an excitation module and a load module; the power module mainly comprises a base (1), a bolt (2), a fixing piece (3), a bolt gasket (4), a nut (5), a power baffle plate (6), a cover plate (7), a power motor (8), a belt (9), a belt pulley (10), a spline shaft (11) and a spline belt wheel (12), wherein the bolt (2), the fixing piece (3), the bolt gasket (4) and the nut (5) are combined together to form a fixing mechanism, the power motor (8) is installed on the base (1), the belt pulley (10) is installed on an output shaft of the power motor (8) through key connection, the belt (9), the spline belt wheel (12) and the spline shaft (11) are installed on the power baffle plate (6) after being matched, the belt (9) and the belt pulley (10) are matched together, and then the cover plate (7) is installed at the top of the power baffle plate (6), finally, the power baffle (6) is fixed with the base (1) and the cover plate (7) through a fixing mechanism; the pressurizing module mainly comprises a spring seat (13), a spring (14), a chuck (15), a spring baffle plate (16), an upper shaft (17), a tightening rope (18) and a weighting block (19), wherein the spring seat (13) is installed at the front end of the spline shaft (11), the chuck (15) is installed at the front end of the spring seat (13), the upper shaft (17) is installed at the front end of the chuck (15), then the spring (14) is installed at the front end of the spring seat (13), the tightening rope (18) is fixedly connected with the spring seat (13) through a small hole in the spring baffle plate (16), the lower end of the tightening rope (18) is connected with the weighting block (19), the spring baffle plate (16) is installed between the base (1) and the cover plate (7), and the spring baffle plate (16) is fixed through a fixing mechanism; the shaft module mainly comprises shaft baffles (20), shaft installation seats (21), shafts (22) and a centering block (23), wherein the shaft baffles (20) are arranged between a base (1) and a cover plate (7) and are fixed through a fixing mechanism, the shaft installation seats (21) are arranged on the shaft baffles (20), then the shafts (22) are arranged at the front ends of the shaft installation seats (21), the centering blocks (23) are arranged in the shafts (22), and the shafts (22) are fixed between the two shaft baffles (20) by adjusting the positions of the shaft baffles (20); the excitation module mainly comprises a circumferential motor (24), a pawl (25), a ratchet wheel (26), a circumferential motor support (27), a lower shaft (28), an axial motor (29), a connecting rod (30), an axial wheel (31), a rotating block (32) and an axial motor support (33), wherein the upper shaft (17) and the lower shaft (28) are connected together through a reverse mounting chuck (15), the ratchet wheel (26) is mounted on the lower shaft (28), the circumferential motor (24) is mounted on the circumferential motor support (27), the circumferential motor (24) and the ratchet wheel (26) are matched together through the pawl (25) to form the circumferential excitation module, the axial motor (29) is mounted on the axial motor support (33), the connecting rod (30) is mounted on the lower shaft (28), the axial wheel (31) is mounted on the connecting rod (30), and the axial motor (29) and the axial wheel (31) are matched together through the rotating block (32), an axial excitation module is formed, and a circumferential motor support (27) and an axial motor support (33) are arranged between the base (1) and the cover plate (7) and are fixed through a fixing mechanism; the load module mainly comprises a drill bit (34), a load disc (35) and a load baffle plate (36), wherein the drill bit (34) is installed at the front end of the lower shaft (28), the load disc (35) is installed on the load baffle plate (36), the load baffle plate (36) is installed between the base (1) and the cover plate (7) and fixed through a fixing mechanism, and the contact state between the load disc (35) and the drill bit (34) is adjusted by adjusting the position between the load baffle plates (36).
2. An oil and gas well string vibration simulation testing device as claimed in claim 1, wherein: the base (1) and the cover plate (7) are provided with guide rail grooves for mounting a power baffle (6), a spring baffle (16), a shaft baffle (20), a circumferential motor support (27), an axial motor support (33) and a load baffle (36).
3. An oil and gas well string vibration simulation testing device as claimed in claim 1, wherein: the two ends of the power baffle (6), the spring baffle (16), the shaft baffle (20), the circumferential motor support (27), the axial motor support (33) and the load baffle (36) are provided with positioning blocks which are matched with guide rail grooves on the base (1) and the cover plate (7).
CN201910451114.0A 2019-05-28 2019-05-28 Oil gas well tubular column vibration simulation testing arrangement Active CN110067552B (en)

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