CN114320156A - Rotary steering drilling deep simulation test system and method - Google Patents
Rotary steering drilling deep simulation test system and method Download PDFInfo
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- CN114320156A CN114320156A CN202210205691.3A CN202210205691A CN114320156A CN 114320156 A CN114320156 A CN 114320156A CN 202210205691 A CN202210205691 A CN 202210205691A CN 114320156 A CN114320156 A CN 114320156A
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Abstract
The invention belongs to the technical field of deep drilling, in particular to a rotary steering drilling deep simulation test system and a rotary steering drilling deep simulation test method, aiming at solving the problem that the existing test device can not obtain reliable deep drilling exploitation data; the system comprises a master control center, a ground stress loading assembly and a drilling system assembly; the ground stress loading assembly comprises a plurality of confining pressure loading units, and the confining pressure loading units are sequentially connected and form a preset curve section; loading cushion blocks are arranged on the peripheral side of the sample assembly; the drilling system assembly includes a rotary steerable drill rod assembly for drilling within the sample path of the pre-set curvilinear segment and a rotary drive assembly for providing a rotational force and a thrust force to the rotary steerable drill rod assembly; the invention can simulate the exploitation tests of different well drills, obtain the intuitive drilling effect under the simulation of the bending path corresponding to different stresses and test data of the influence of different setting parameters on the deep well drilling exploitation project, and provide reliable parameters and exploitation guidance for actual exploitation.
Description
Technical Field
The invention belongs to the technical field of deep drilling, and particularly relates to a rotary steering drilling deep simulation test system and method.
Background
The rotary steering drilling system can effectively improve the drilling speed, the drilling safety and the borehole trajectory control precision, is a tool for efficiently completing directional wells and horizontal wells, and is a key technology for improving the exploration and development efficiency of conventional and unconventional complex oil and gas reservoirs. Therefore, the research and development of the rotary guide system and the related technology have important significance for the development of the petroleum industry; however, the drilling depth of thousands of meters underground is not visible, and the simulation test of intelligent guiding drilling in an indoor laboratory is an important method for verifying the reliability of the intelligent guiding drilling.
Disclosure of Invention
In order to solve the problems in the prior art, namely to solve the problem that the existing test device cannot obtain reliable deep well drilling curved path exploitation data, the invention provides a rotary steering well drilling deep simulation test system and a rotary steering well drilling deep simulation test method.
The invention discloses a rotary steering drilling deep simulation test system, which comprises a master control center, an earth stress loading assembly and a drilling system assembly, wherein the earth stress loading assembly and the drilling system assembly are in signal connection with the master control center; the ground stress loading assembly comprises a plurality of confining pressure loading units, the confining pressure loading units are sequentially connected and arranged, and the confining pressure loading units form a preset curve section; the confining pressure loading units are used for providing confining pressure for the sample assembly arranged in the confining pressure loading units.
And loading cushion blocks matched with the confining pressure loading unit are arranged on the peripheral side of the sample assembly.
The drilling system assembly includes a rotary steerable drill rod assembly for drilling within a sample path of a predetermined curvilinear segment and a rotary drive assembly for providing a rotational force and a thrust force to the rotary steerable drill rod assembly.
In some preferred embodiments, the confining pressure loading unit comprises a counterforce frame assembly and a loading oil cylinder assembly, and the counterforce frame assembly is arranged on the outer side of the loading cushion block.
The loading oil cylinder assembly is arranged on the counter-force frame assembly and used for providing a preset loading force for the sample.
In some preferred embodiments, the reaction frame assembly comprises a first side frame, a second side frame, a third side frame and a fourth side frame, the first side frame being disposed opposite the third side frame; the second side frame is disposed opposite to the fourth side frame.
The first side frame, the second side frame, the third side frame and the fourth side frame are all provided with oil cylinder mounting holes.
The number of the loading oil cylinder assemblies is four, and the four loading oil cylinder assemblies are respectively arranged on the first side frame, the second side frame, the third side frame and the fourth side frame.
The loading oil cylinder assembly comprises an oil cylinder base, an oil cylinder body, an oil cylinder end cover and an oil cylinder piston, wherein one end of the oil cylinder piston is arranged inside the oil cylinder body; the oil cylinder base is arranged on the outer side of the oil cylinder body; the oil cylinder end cover is arranged on one side, far away from the oil cylinder base, of the oil cylinder body.
And the free end of the oil plug of the oil cylinder penetrates through the corresponding oil cylinder mounting hole to extend to abut against the loading cushion block in a hanging manner.
In some preferred embodiments, the third side frame is a bottom frame.
The bottom of the bottom frame is also provided with a supporting part; the distance from the bottom of the bottom frame to the ground is larger than the distance from the bottom of the loading oil cylinder assembly arranged at the bottom to the ground.
And the supporting part is also provided with a lower connecting hole for fixing two adjacent counter-force frame components.
In some preferred embodiments, the first side frame, the second side frame, the third side frame, and the fourth side frame are integrally formed with the support portion.
In some preferred embodiments, the rotary steerable drill rod assembly includes a drill bit, a steering mechanism assembly, and a drill rod, the steering mechanism assembly being disposed between the drill bit and the drill rod.
The guide mechanism component comprises a rotary inner cylinder, a telescopic wing rib, an outer cylinder, an intelligent drill guiding system and a pressing block; one end of the rotary inner cylinder is provided with a drill bit connecting hole, and the other end of the rotary inner cylinder is provided with a drill rod connecting hole.
The telescopic wing ribs and the intelligent drill guiding system are arranged on the outer side of the outer barrel, and the telescopic wing ribs and the intelligent drill guiding system do not interfere with each other.
The outer cylinder is sleeved on the outer side of the rotating inner cylinder and connected with the rotating inner cylinder through a bearing assembly.
In the drilling process, the intelligent drill guiding system automatically controls the telescopic height of the telescopic wing ribs and controls the drill bit to drill according to the path of the preset curve segment.
In some preferred embodiments, the rotary drive assembly comprises a base plate, a drill rod support frame, a console, and a power assembly; the drill rod support frame and the control console are arranged on the bottom plate; the drill rod support frame is a plurality of, and a plurality of drill rod support frames set gradually along the longitudinal axis of drilling rod to bear the weight of rotary steering drill rod subassembly.
The power assembly is arranged on the console; the power assembly comprises a rotary servo motor, a motor bracket, a motor bottom plate, a guide rail, a sliding block, a screw rod lead screw, a thrust servo motor and a power assembly bottom plate.
The rotary servo motor is arranged on the motor bracket; the motor support is fixed on the motor bottom plate.
The sliding block is fixedly arranged at the bottom of the motor bottom plate, and the sliding block and the guide rail can be arranged in a relatively sliding manner; the guide rail, the screw lead screw and the thrust servo motor are all fixedly arranged on the power assembly bottom plate.
The rotary servo motor is connected with the tail end of the drill rod to provide rotary force for the drill rod; the thrust servo motor is connected with the screw rod lead screw; the thrust servo motor is used for driving the screw rod to do linear motion so as to provide thrust for the drill rod.
In some preferred embodiments, a plurality of the drill pipe support frames are arranged at equal intervals.
In some preferred embodiments, the longitudinal axis of the loading pad is disposed coincident with a predetermined curved segment.
The second aspect of the invention discloses a rotary steering drilling deep simulation test method, which is based on the rotary steering drilling deep simulation test system and specifically comprises the following steps: and S100, setting the angles and the number of confining pressure loading units according to the drilling path of the preset curve section of the drill rod.
And step S200, installing the sample assembly into the plurality of confining pressure loading units, and fixedly connecting the plurality of confining pressure loading units.
And step S300, the master control center controls a plurality of confining pressure loading units to carry out confining pressure application so as to simulate the ground stress.
And S400, controlling the rotary driving assembly to push the drill rod to drill forwards, and simultaneously starting the intelligent drill guiding system to control the full-automatic guiding of the intelligent drill guiding system so as to perform a deep drilling simulation test.
The invention has the beneficial effects that: 1) according to the rotary steering drilling deep simulation test system and method, the multiple confining pressure loading units forming the preset curve section are arranged, so that the mining tests of different drilling wells can be simulated, the drilling effect under the simulation of the curved path corresponding to different visual different stresses and the test data of the influence of different setting parameters on the deep drilling well mining engineering are obtained, and reliable parameters and mining guidance are provided for actual mining.
2) The ground stress loading assembly is a loading oil cylinder, an additional hydraulic servo power source is not needed, the loading mode is simple, and the cost is greatly reduced.
3) The sample assembly can be flexibly replaced according to geological conditions of different regions, so that visual mining effects can be correspondingly obtained, and reliable test reference and guidance data can be provided for deep drilling mining of different regions.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of an embodiment of a rotary steerable drilling deep simulation test system of the present invention.
FIG. 2 is a schematic structural diagram of one embodiment of the ground stress loading assembly of FIG. 1.
Fig. 3 is a schematic structural diagram of an embodiment of the confining pressure loading unit in fig. 2.
Fig. 4 is a schematic cross-sectional view of fig. 3.
Fig. 5 is a schematic view of the reaction frame assembly of fig. 3.
FIG. 6 is a schematic block diagram of one embodiment of the drilling system assembly of FIG. 1.
Fig. 7 is a schematic structural view of the rotary steerable drill rod assembly of fig. 6.
Fig. 8 is a cross-sectional schematic view of the guide mechanism assembly of fig. 7.
Fig. 9 is a schematic diagram of an embodiment of the rotary drive assembly of fig. 6.
Fig. 10 is a schematic structural view of the power assembly of fig. 9.
Description of reference numerals: 10. a ground stress loading assembly; 20. a drilling system component; 100. a confining pressure loading unit; 110. a reaction frame assembly 111, a first side frame 1110, an upper connection hole 112, a second side frame 113, a third side frame 114, and a fourth side frame; 115. a support portion 1151, a lower connection hole; 120. the loading oil cylinder assembly comprises a loading oil cylinder assembly 121, an oil cylinder base 122, an oil cylinder body 123, an oil cylinder piston 124 and an oil cylinder end cover; 130. a sample assembly; 210. a rotary steerable drill rod assembly; 211. a drill bit; 212. a guide mechanism assembly; 2121. the rotary inner cylinder 2122, the telescopic wing ribs 2123, the outer cylinder 2124, the drill bit connecting hole 2125 and the drill rod connecting hole; 213. a drill stem; 220. a rotary drive assembly; 221. base plate, 222, drilling rod support frame, 223, control cabinet, 224, power component, 2241, rotatory servo motor, 2242, motor support, 2243, motor bottom plate, 2244, guide rail, 2245, slider, 2246, screw rod, 2247, thrust servo motor, 2248, power component bottom plate.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The invention is further illustrated by the following examples with reference to the accompanying drawings.
Referring to fig. 1 to 10, a first aspect of the present invention discloses a rotary steerable drilling deep simulation test system, which includes a master control center, an earth stress loading assembly 10 and a drilling system assembly 20, wherein the earth stress loading assembly and the drilling system assembly are in signal connection with the master control center; the ground stress loading assembly comprises a plurality of confining pressure loading units 100 arranged at different angles, the confining pressure loading units are sequentially and fixedly connected and form a preset curve section, and a drill rod rotation guide test is facilitated through a formed bent sample path; the plurality of confining pressure loading units are used for providing confining pressure for the sample assembly 130 arranged in the confining pressure loading units; and loading cushion blocks matched with the confining pressure loading unit are arranged on the peripheral side of the sample assembly.
In this embodiment, a plurality of confining pressure loading units form an arc segment with a preset central angle and a preset radius; the loading cushion blocks arranged on the upper side, the lower side, the left side and the right side of the sample assembly are all in corresponding circular arc shapes, and complete attachment with the sample assembly is guaranteed.
Wherein the drilling system components include a rotary steerable drill rod assembly 210 for drilling within a sample path of a predetermined curvilinear segment, and a rotary drive assembly 220 for providing a rotational force and a thrust force to the rotary steerable drill rod assembly; the master control center is used for storing preset parameters and corresponding drilling effects under the control of the corresponding parameters.
The confining pressure loading unit comprises a reaction force frame assembly 110 and a loading oil cylinder assembly 120, wherein the reaction force frame assembly is arranged on the outer side of the loading cushion block.
The loading oil cylinder assembly is arranged on the counterforce frame assembly and used for providing preset loading force for the sample.
In some preferred embodiments, the reaction frame assembly comprises a first side frame 111, a second side frame 112, a third side frame 113 and a fourth side frame 114, the first side frame being disposed opposite the third side frame; the second side frame is arranged opposite to the fourth side frame.
The first side frame, the second side frame, the third side frame and the fourth side frame are all provided with oil cylinder mounting holes.
The four loading oil cylinder assemblies are respectively arranged on the first side frame, the second side frame, the third side frame and the fourth side frame.
The loading oil cylinder assembly comprises an oil cylinder base 121, an oil cylinder body 122, an oil cylinder end cover 124 and an oil cylinder piston 123, wherein one end of the oil cylinder piston is arranged in the oil cylinder body; the oil cylinder base is arranged on the outer side of the oil cylinder body; the oil cylinder end cover is arranged on one side of the oil cylinder body, which is far away from the oil cylinder base.
The free end of the oil plug of the oil cylinder penetrates through the corresponding oil cylinder mounting hole to extend to abut against the loading cushion block in a hanging mode.
In this embodiment, the third side frame is a bottom frame; the bottom of the bottom frame is also provided with a support part 115; the distance from the bottom of the bottom frame to the ground is larger than the distance from the bottom of the loading oil cylinder assembly arranged at the bottom to the ground.
The support portion is further provided with a lower connecting hole 1151, and the top of the first side frame is provided with an upper connecting hole 1110 for fixing two adjacent reaction frame components.
Preferably, the first side frame, the second side frame, the third side frame and the fourth side frame are integrally formed with the support portion.
Specifically, the rotary steerable drill rod assembly includes a drill bit 211, a steering mechanism assembly 212, and a drill rod 213, the steering mechanism assembly being disposed between the drill bit and the drill rod; the guide mechanism component comprises a rotary inner cylinder 2121, a telescopic wing rib 2122, an outer cylinder 2123, an intelligent drill guiding system and a pressing block; one end of the rotary inner cylinder is provided with a drill connecting hole 2124, and the other end is provided with a drill rod connecting hole 2125. Scalable rib, intelligent drill system are led and are all installed in the outside of urceolus, and scalable rib and intelligent drill system mutually noninterfere lead. The outer cylinder is sleeved outside the rotating inner cylinder and is connected with the rotating inner cylinder through a bearing assembly; in the drilling process, the intelligent drill guiding system automatically controls the telescopic height of the telescopic wing ribs and controls the drill bit to drill according to the path of the preset curve segment.
In this embodiment, the outer cylinder is non-rotating.
Further, the rotary drive assembly comprises a base plate 221, a drill rod support frame 222, a control console 223 and a power assembly 224; the drill rod support frame and the control console are arranged on the bottom plate; the drilling rod support frame is a plurality of, and a plurality of drilling rod support frames set gradually along the longitudinal axis of drilling rod to bear rotatory direction drilling rod subassembly.
The power assembly is arranged on the console; the power assembly comprises a rotary servo motor 2241, a motor support 2242, a motor bottom plate 2243, a guide rail 2244, a sliding block 2245, a screw rod 2246, a thrust servo motor 2247 and a power assembly bottom plate 2248; the rotary servo motor is arranged on the motor bracket; the motor support is fixed on the motor bottom plate.
The sliding block is fixedly arranged at the bottom of the motor bottom plate, and the sliding block and the guide rail can be arranged in a relatively sliding manner; the guide rail, the screw rod lead screw and the thrust servo motor are all fixedly arranged on the power assembly bottom plate.
The rotary servo motor is connected with the tail end of the drill rod to provide rotary force for the drill rod; the thrust servo motor is connected with the screw rod; the thrust servo motor is used for driving the screw rod to do linear motion so as to provide thrust for the drill rod.
Preferably, the plurality of drill pipe support frames are arranged at equal intervals.
Preferably, the longitudinal axis of the loading pad is arranged in line with the predetermined curve segment.
The second aspect of the invention discloses a rotary steering drilling deep simulation test method, which is based on the rotary steering drilling deep simulation test system and specifically comprises the following steps: s100, setting the angles and the number of confining pressure loading units according to the drilling path of a preset curve section of a drill rod; by the scheme disclosed by the invention, the mining tests of different well drills can be simulated, the drilling effect under the simulation of the curved path corresponding to different visual different stresses and the test data of the influence of different setting parameters on the deep well drilling engineering are obtained, and reliable parameters and mining guidance are provided for actual mining;
and step S200, installing the sample assembly into the plurality of confining pressure loading units, and fixedly connecting the plurality of confining pressure loading units.
And step S300, the master control center controls a plurality of confining pressure loading units to carry out confining pressure application so as to simulate the ground stress.
And S400, controlling the rotary driving assembly to push the drill rod to drill forwards, and simultaneously starting the intelligent drill guiding system to control the full-automatic guiding of the intelligent drill guiding system so as to perform a deep drilling simulation test.
Further, when the rotary steering drill rod assembly drilling length reaches the length of one drill rod, the drill rod needs to be replaced, and the drill rod replacing process is as follows: 1) separating the rotary servo motor from the tail end of the drill rod; 2) controlling a thrust servo motor to enable a rotary servo motor to retreat, and reserving the length for replacing the lengthened drill rod; 3) installing a lengthened drill rod, wherein the head end of the lengthened drill rod is connected with the tail end of the previous drill rod, and the tail end of the lengthened drill rod is connected with a rotary servo motor; 4) finishing the replacement; 5) and (4) continuing drilling after the drill rod is replaced until the test is finished.
The rotary steering drilling deep simulation test system and the rotary steering drilling deep simulation test method can combine confining pressure loading units with various angles and quantities according to the preset path, and design different drilling paths so as to verify the reliability of intelligent drill guiding and obtain reliable test data.
While the invention has been described with reference to a preferred embodiment, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and particularly, features shown in the various embodiments may be combined in any suitable manner without departing from the scope of the invention. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A rotary steering drilling deep simulation test system is characterized by comprising a master control center, an earth stress loading assembly and a drilling system assembly, wherein the earth stress loading assembly and the drilling system assembly are in signal connection with the master control center;
the ground stress loading assembly comprises a plurality of confining pressure loading units, the confining pressure loading units are sequentially connected and arranged, and the confining pressure loading units form a preset curve section; the confining pressure loading units are used for providing confining pressure for the sample assembly arranged in the confining pressure loading units;
a loading cushion block matched with the confining pressure loading unit is arranged on the peripheral side of the sample assembly;
the drilling system assembly includes a rotary steerable drill rod assembly for drilling within a sample path of a predetermined curvilinear segment and a rotary drive assembly for providing a rotational force and a thrust force to the rotary steerable drill rod assembly.
2. The rotary steerable drilling deep simulation testing system of claim 1, wherein the confining pressure loading unit comprises a reaction frame assembly and a loading cylinder assembly, the reaction frame assembly being disposed outside the loading pad;
the loading oil cylinder assembly is arranged on the counter-force frame assembly and used for providing a preset loading force for the sample.
3. The rotary steerable drilling deep simulation testing system of claim 2, wherein the reaction frame assembly comprises a first side frame, a second side frame, a third side frame, and a fourth side frame, the first side frame disposed opposite the third side frame; the second side frame is arranged opposite to the fourth side frame;
the first side frame, the second side frame, the third side frame and the fourth side frame are all provided with oil cylinder mounting holes;
the number of the loading oil cylinder assemblies is four, and the four loading oil cylinder assemblies are respectively arranged on the first side frame, the second side frame, the third side frame and the fourth side frame;
the loading oil cylinder assembly comprises an oil cylinder base, an oil cylinder body, an oil cylinder end cover and an oil cylinder piston, wherein one end of the oil cylinder piston is arranged inside the oil cylinder body; the oil cylinder base is arranged on the outer side of the oil cylinder body; the oil cylinder end cover is arranged on one side of the oil cylinder body, which is far away from the oil cylinder base;
and the free end of the oil plug of the oil cylinder penetrates through the corresponding oil cylinder mounting hole to extend to abut against the loading cushion block in a hanging manner.
4. The rotary steerable drilling deep simulation testing system of claim 3, wherein the third side frame is a bottom frame;
the bottom of the bottom frame is also provided with a supporting part; the distance from the bottom of the bottom frame to the ground is greater than the distance from the bottom of the loading oil cylinder assembly arranged at the bottom to the ground;
and the supporting part is also provided with a lower connecting hole for fixing two adjacent counter-force frame components.
5. The rotary steerable drilling deep simulation testing system of claim 4, wherein the first, second, third, and fourth side frames are integrally formed with the support.
6. The rotary steerable drilling deep simulation testing system of claim 1, wherein the rotary steerable drill rod assembly comprises a drill bit, a steering mechanism assembly, and a drill rod, the steering mechanism assembly being disposed between the drill bit and the drill rod;
the guide mechanism component comprises a rotary inner cylinder, a telescopic wing rib, an outer cylinder, an intelligent drill guiding system and a pressing block; one end of the rotary inner cylinder is provided with a drill bit connecting hole, and the other end of the rotary inner cylinder is provided with a drill rod connecting hole;
the telescopic wing ribs and the intelligent drill guiding system are arranged on the outer side of the outer barrel, and the telescopic wing ribs and the intelligent drill guiding system are not interfered with each other;
the outer cylinder is sleeved outside the rotating inner cylinder and is connected with the rotating inner cylinder through a bearing assembly;
in the drilling process, the intelligent drill guiding system automatically controls the telescopic height of the telescopic wing ribs and controls the drill bit to drill according to the path of the preset curve segment.
7. The rotary steerable drilling deep simulation testing system of claim 6, wherein the rotary drive assembly comprises a baseplate, a drill pipe support frame, a console, and a power assembly; the drill rod support frame and the control console are arranged on the bottom plate; the drill rod support frames are arranged in sequence along the longitudinal axis of the drill rod so as to bear the rotary guide drill rod assembly;
the power assembly is arranged on the console; the power assembly comprises a rotary servo motor, a motor bracket, a motor bottom plate, a guide rail, a slide block, a screw rod lead screw, a thrust servo motor and a power assembly bottom plate;
the rotary servo motor is arranged on the motor bracket; the motor bracket is fixed on the motor bottom plate;
the sliding block is fixedly arranged at the bottom of the motor bottom plate, and the sliding block and the guide rail can be arranged in a relatively sliding manner; the guide rail, the screw rod lead screw and the thrust servo motor are all fixedly arranged on the power assembly bottom plate;
the rotary servo motor is connected with the tail end of the drill rod to provide rotary force for the drill rod; the thrust servo motor is connected with the screw rod lead screw; the thrust servo motor is used for driving the screw rod to do linear motion so as to provide thrust for the drill rod.
8. The rotary steerable drilling deep simulation testing system of claim 7, wherein a plurality of the drill pipe supports are equally spaced.
9. The rotary steerable drilling deep simulation testing system of claim 1, wherein the longitudinal axis of the loading pad is disposed coincident with a predetermined curve segment.
10. A rotary steerable drilling deep simulation test method, which is based on the rotary steerable drilling deep simulation test system of any one of claims 1 to 9, and specifically comprises the following steps:
s100, setting the angles and the number of confining pressure loading units according to the drilling path of a preset curve section of a drill rod;
step S200, installing the sample assembly into the plurality of confining pressure loading units, wherein the plurality of confining pressure loading units are fixedly connected;
step S300, the master control center controls a plurality of confining pressure loading units to carry out confining pressure application so as to simulate ground stress;
and S400, controlling the rotary driving assembly to push the drill rod to drill forwards, and simultaneously starting the intelligent drill guiding system to control the full-automatic guiding of the intelligent drill guiding system so as to perform a deep drilling simulation test.
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| CN108431363A (en) * | 2016-01-06 | 2018-08-21 | 伊索德里尔股份有限公司 | Rotary steering drilling tool |
| CN108278081A (en) * | 2017-01-05 | 2018-07-13 | 通用电气公司 | The rotary steerable drilling system and method controlled based on out-of-balance force measurement |
| CN112049570A (en) * | 2019-06-06 | 2020-12-08 | 万晓跃 | Rotary steering composite drilling device and drilling method thereof |
| CN110261234A (en) * | 2019-07-05 | 2019-09-20 | 山东科技大学 | Crack rock absciss layer support with bolting simulation test device and method |
| CN110274831A (en) * | 2019-07-05 | 2019-09-24 | 山东科技大学 | The test of anchor pole (rope) supporting construction and anchor system performance comprehensive testing device and method |
| CN110672411A (en) * | 2019-09-22 | 2020-01-10 | 中国科学院武汉岩土力学研究所 | Indoor drilling perception test system for rock mass mechanical characteristics |
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