CN114320156A - Rotary Steering Drilling Deep Simulation Test System and Method - Google Patents

Abstract

Translated fromChinese

本发明属于深部钻探技术领域，具体涉及一种旋转导向钻井深部模拟试验系统及方法，旨在解决现有的试验装置无法获取可靠的深部钻井开采数据的问题；其中系统包括总控中心、地应力加载组件和钻进系统组件；地应力加载组件包括多个围压加载单元，多个围压加载单元依次连接设置且构成预设曲线段；样品组件的周侧设置有加载垫块；钻进系统组件包括用于在预设曲线段的样品路径内钻进的旋转导向钻杆组件以及用于为旋转导向钻杆组件提供旋转力和推力的旋转驱动组件；本发明可模拟不同钻井的开采试验，获得直观的不同地应力对应下的弯曲路径模拟下的钻探效果，以及不同设置参数对深部钻井开采工程影响的试验数据，为实际开采提供可靠参数以及开采指导。

The invention belongs to the technical field of deep drilling, and in particular relates to a deep simulation test system and method for rotary steerable drilling, aiming at solving the problem that the existing test device cannot obtain reliable deep drilling data; A loading assembly and a drilling system assembly; the in-situ stress loading assembly includes a plurality of confining pressure loading units, and the multiple confining pressure loading units are connected and arranged in sequence to form a preset curve segment; a loading block is arranged on the periphery of the sample assembly; the drilling system The assembly includes a rotary steerable drill rod assembly for drilling in a sample path of a preset curve section and a rotary drive assembly for providing rotational force and thrust for the rotary steerable drill rod assembly; the present invention can simulate the production test of different wells, Obtain intuitive drilling effects under the simulation of curved paths under different in-situ stresses, as well as experimental data on the impact of different setting parameters on deep drilling and mining engineering, providing reliable parameters and mining guidance for actual mining.

Description

Translated fromChinese

旋转导向钻井深部模拟试验系统及方法Rotary Steering Drilling Deep Simulation Test System and Method

技术领域technical field

本发明属于深部钻探技术领域，具体涉及一种旋转导向钻井深部模拟试验系统及方法。The invention belongs to the technical field of deep drilling, and in particular relates to a deep simulation test system and method for rotary steerable drilling.

背景技术Background technique

旋转导向钻井系统可有效提高钻井速度、钻井安全性和井眼轨迹控制精度，是高效完成定向井和水平井的国之利器，也是提高常规和非常规复杂油气藏勘探开发效率的关键技术。因此，旋转导向系统及相关技术的研发，对石油工业的发展具有重要意义；然而地下数千米的钻井深不可见，在室内实验室进行智能导向钻井的模拟试验，是验证其可靠性的重要方法。The rotary steerable drilling system can effectively improve drilling speed, drilling safety and wellbore trajectory control accuracy. It is a national weapon for efficiently completing directional wells and horizontal wells. It is also a key technology to improve the efficiency of conventional and unconventional complex oil and gas reservoir exploration and development. Therefore, the research and development of rotary steerable systems and related technologies is of great significance to the development of the petroleum industry; however, the drilling depth of several kilometers underground is invisible, and the simulation test of intelligent steerable drilling in indoor laboratories is an important factor to verify its reliability. method.

发明内容SUMMARY OF THE INVENTION

为了解决现有技术中的上述问题，即为了解决现有的试验装置无法获取可靠的深部钻井弯曲路径开采数据的问题，本发明提供了一种旋转导向钻井深部模拟试验系统及方法。In order to solve the above problems in the prior art, that is, in order to solve the problem that the existing test device cannot obtain reliable deep drilling curved path mining data, the present invention provides a rotary steerable drilling deep simulation test system and method.

本发明的第一方面公开了一种旋转导向钻井深部模拟试验系统，该系统包括总控中心、地应力加载组件和钻进系统组件，所述地应力加载组件、所述钻进系统组件均与所述总控中心信号连接；所述地应力加载组件包括多个围压加载单元，多个所述围压加载单元依次连接设置并且多个所述围压加载单元构成预设曲线段；多个所述围压加载单元用于对其内设置的样品组件提供围压。A first aspect of the present invention discloses a deep simulation test system for rotary steerable drilling. The system includes a general control center, an in-situ stress loading assembly and a drilling system assembly, wherein the in-situ stress loading assembly and the drilling system assembly are all connected with the general control center is signal-connected; the ground stress loading assembly includes a plurality of confining pressure loading units, the plurality of confining pressure loading units are connected and arranged in sequence, and the plurality of the confining pressure loading units constitute a preset curve segment; a plurality of the confining pressure loading units The confining pressure loading unit is used for providing confining pressure to the sample assembly arranged therein.

所述样品组件的周侧设置有与所述围压加载单元匹配的加载垫块。A loading block matched with the confining pressure loading unit is provided on the peripheral side of the sample assembly.

所述钻进系统组件包括旋转导向钻杆组件和旋转驱动组件，所述旋转导向钻杆组件用于在预设曲线段的样品路径内钻进，所述旋转驱动组件用于为所述旋转导向钻杆组件提供旋转力和推力。The drilling system assembly includes a rotary steerable drill rod assembly for drilling within a sample path of a preset curve segment and a rotary drive assembly for guiding the rotation Drill pipe assemblies provide rotational force and thrust.

在一些优选实施例中，所述围压加载单元包括反力框架组件和加载油缸组件，所述反力框架组件设置于所述加载垫块的外侧。In some preferred embodiments, the confining pressure loading unit includes a reaction force frame assembly and a loading cylinder assembly, and the reaction force frame assembly is disposed outside the loading pad.

所述加载油缸组件装设于所述反力框架组件，用于对样品提供预设加载力。The loading oil cylinder assembly is installed on the reaction force frame assembly for providing a preset loading force to the sample.

在一些优选实施例中，所述反力框架组件包括第一侧部框架、第二侧部框架、第三侧部框架和第四侧部框架，所述第一侧部框架与所述第三侧部框架相对设置；所述第二侧部框架与所述第四侧部框架相对设置。In some preferred embodiments, the reaction force frame assembly includes a first side frame, a second side frame, a third side frame and a fourth side frame, the first side frame and the third side frame The side frames are arranged oppositely; the second side frame and the fourth side frame are arranged oppositely.

所述第一侧部框架、所述第二侧部框架、所述第三侧部框架、所述第四侧部框架均开设有油缸安装孔。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.

所述加载油缸组件为四个，四个所述加载油缸组件分别装设于所述第一侧部框架、所述第二侧部框架、所述第三侧部框架、所述第四侧部框架。There are four loading oil cylinder assemblies, and the four loading oil cylinder assemblies are respectively mounted on the first side frame, the second side frame, the third side frame, and the fourth side frame frame.

所述加载油缸组件包括油缸底座、油缸缸体、油缸端盖和油缸活塞，所述油缸活塞的一端设置于所述油缸缸体内部；所述油缸底座设置于所述油缸缸体的外侧；所述油缸端盖设置于所述油缸缸体远离所述油缸底座的一侧。The loading oil cylinder assembly includes an oil cylinder base, an oil cylinder block, an oil cylinder end cover and an oil cylinder piston, one end of the oil cylinder piston is arranged inside the oil cylinder body; the oil cylinder base is arranged on the outside of the oil cylinder body; The oil cylinder end cover is arranged on the side of the oil cylinder body away from the oil cylinder base.

所述油缸油塞的自由端贯穿对应的油缸安装孔悬伸至与加载垫块抵触。The free ends of the oil cylinder plugs extend through the corresponding oil cylinder installation holes until they interfere with the loading pads.

在一些优选实施例中，所述第三侧部框架为底部框架。In some preferred embodiments, the third side frame is a bottom frame.

所述底部框架的底部还设置有支撑部；所述底部框架的底部到地面的距离大于底部设置的所述加载油缸组件的底部到地面的距离。The bottom of the bottom frame is further provided with a support portion; 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 disposed on the bottom to the ground.

所述支撑部上还开设有下连接孔，用于固定相邻的两个所述反力框架组件。The support portion is also provided with a lower connecting hole for fixing two adjacent reaction force frame assemblies.

在一些优选实施例中，所述第一侧部框架、所述第二侧部框架、所述第三侧部框架、所述第四侧部框架与所述支撑部一体成型设置。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.

在一些优选实施例中，所述旋转导向钻杆组件包括钻头、导向机构组件和钻杆，所述导向机构组件设置于所述钻头与所述钻杆之间。In some preferred embodiments, the rotary steerable drill rod assembly includes a drill bit, a guide mechanism assembly and a drill rod, and the guide mechanism assembly is disposed between the drill bit and the drill rod.

所述导向机构组件包括旋转内筒、可伸缩翼肋、外筒、智能导钻系统和压块；所述旋转内筒的一端开设有钻头连接孔，另一端开设有钻杆连接孔。The guide mechanism assembly includes a rotating inner cylinder, retractable ribs, an outer cylinder, an intelligent drill guiding system and a pressing block; one end of the rotating inner cylinder is provided with a drill bit connection hole, and the other end is provided with a drill pipe connection hole.

所述可伸缩翼肋、所述智能导钻系统均装设于所述外筒的外侧，且所述可伸缩翼肋与所述智能导钻系统互不干涉。Both the retractable rib and the intelligent drill guiding system are installed on the outer side of the outer cylinder, and the retractable rib and the intelligent drill guiding system do not interfere with each other.

所述外筒套设于所述旋转内筒的外侧，所述外筒通过轴承组件与所述旋转内筒连接。The outer cylinder is sleeved on the outer side of the rotating inner cylinder, and the outer cylinder is connected with the rotating inner cylinder through a bearing assembly.

在钻进的过程中，所述智能导钻系统自动控制所述可伸缩翼肋的伸缩高度，控制所述钻头按预设曲线段的路径钻进。During the drilling process, the intelligent drilling guide system automatically controls the telescopic height of the telescopic rib, and controls the drill bit to drill according to the path of the preset curve segment.

在一些优选实施例中，所述旋转驱动组件包含底板、钻杆支撑架、控制台和动力组件；所述钻杆支撑架、所述控制台均装设于所述底板；所述钻杆支撑架为多个，多个所述钻杆支撑架沿所述钻杆的纵向轴线依次设置，以承载所述旋转导向钻杆组件。In some preferred embodiments, the rotary drive assembly includes a base plate, a drill rod support frame, a console and a power assembly; the drill rod support frame and the console are both installed on the base plate; the drill rod support frame There are a plurality of frames, and a plurality of the drill rod support frames are arranged in sequence along the longitudinal axis of the drill rod to carry the rotary guide drill rod assembly.

所述动力组件装设于所述控制台；所述动力组件包括旋转伺服电机、电机支架、电机底板、导轨、滑块、螺杆丝杠、推力伺服电机和动力组件底板。The power assembly is installed on the console; the power assembly includes a rotary servo motor, a motor support, a motor base plate, a guide rail, a slider, a screw screw, a thrust servo motor and a power assembly base plate.

所述旋转伺服电机装设于所述电机支架；所述电机支架固定于所述电机底板。The rotary servo motor is installed on the motor bracket; the motor bracket is fixed on the motor base plate.

所述滑块固设于所述电机底板的底部，并且所述滑块与所述导轨可相对滑动设置；所述导轨、所述螺杆丝杠和所述推力伺服电机均固设于所述动力组件底板。The sliding block is fixed on the bottom of the motor base plate, and the sliding block and the guide rail can be slidably arranged relative to each other; the guide rail, the screw screw and the thrust servo motor are all fixed on the power Component backplane.

所述旋转伺服电机与所述钻杆的尾端连接，以为所述钻杆提供旋转力；所述推力伺服电机与所述螺杆丝杠连接；所述推力伺服电机用于带动所述螺杆丝杠做直线运动，以为所述钻杆提供推力。The rotation servo motor is connected with the rear end of the drill pipe to provide rotation force for the drill pipe; the thrust servo motor is connected with the screw screw; the thrust servo motor is used to drive the screw screw Make a linear motion to provide thrust to the drill pipe.

在一些优选实施例中，多个所述钻杆支撑架等间距设置。In some preferred embodiments, a plurality of the drill rod support frames are arranged at equal intervals.

在一些优选实施例中，所述加载垫块的纵向轴线与预设曲线段一致设置。In some preferred embodiments, the longitudinal axis of the loading block is set in line with the predetermined curve segment.

本发明的第二方面公开了一种旋转导向钻井深部模拟试验方法，该方法基于上面所述的旋转导向钻井深部模拟试验系统，具体包括以下步骤：步骤S100，根据钻杆预设曲线段的钻进路径，设置围压加载单元的角度及数量。A second aspect of the present invention discloses a deep simulation test method for rotary steerable drilling. The method is based on the above-mentioned rotary steerable drilling deep simulation test system, and specifically includes the following steps: Step S100, according to the drilling of a preset curve section of the drill pipe. Enter the path and set the angle and quantity of the confining pressure loading unit.

步骤S200，将样品组件安装到多个围压加载单元的内部，并且多个围压加载单元固定连接。Step S200, the sample assembly is installed inside the multiple confining pressure loading units, and the multiple confining pressure loading units are fixedly connected.

步骤S300，总控中心控制多个围压加载单元进行围压施加，以模拟地应力。In step S300, the general control center controls a plurality of confining pressure loading units to apply confining pressure to simulate ground stress.

步骤S400，控制旋转驱动组件推动钻杆向前钻进，同时启动智能导钻系统控制其全自动导向，以进行深部钻井模拟试验。In step S400, the rotary drive assembly is controlled to push the drill pipe forward to drill, and at the same time, the intelligent drilling guide system is activated to control its fully automatic steering, so as to conduct a deep drilling simulation test.

本发明的有益效果为：1）本发明提供的旋转导向钻井深部模拟试验系统及方法，通过构成预设曲线段的多个围压加载单元的设置，可模拟不同钻井的开采试验，获得直观的不同地应力对应下的弯曲路径模拟下的钻探效果，以及不同设置参数对深部钻井开采工程影响的试验数据，为实际开采提供可靠参数以及开采指导。The beneficial effects of the present invention are as follows: 1) The deep simulation test system and method for rotary steerable drilling provided by the present invention can simulate the production test of different wells through the setting of multiple confining pressure loading units constituting a preset curve section, and obtain intuitive Drilling effects under the simulation of curved paths under different in-situ stresses, as well as experimental data on the impact of different setting parameters on deep drilling and mining engineering, provide reliable parameters and mining guidance for actual mining.

2）本发明中的地应力加载组件为加载油缸，不需要额外的液压伺服动力源，加载方式简单，成本大大降低。2) The ground stress loading component in the present invention is a loading oil cylinder, no additional hydraulic servo power source is required, the loading method is simple, and the cost is greatly reduced.

3）本发明中的样品组件可根据不同区域的地质条件灵活更换，对应获得直观的开采效果，可为不同地域的深部钻井开采提供可靠的试验参考、指导数据。3) The sample components in the present invention can be flexibly replaced according to the geological conditions in different regions, corresponding to obtain intuitive mining effects, and can provide reliable test reference and guidance data for deep drilling and mining in different regions.

附图说明Description of drawings

通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更明显。Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments taken with reference to the following drawings.

图1是本发明中的旋转导向钻井深部模拟试验系统的一种实施例的立体结构示意图。FIG. 1 is a schematic three-dimensional structural diagram of an embodiment of a deep simulation test system for rotary steerable drilling in the present invention.

图2是图1中的地应力加载组件的一种具体实施例的结构示意图。FIG. 2 is a schematic structural diagram of a specific embodiment of the in-situ stress loading assembly in FIG. 1 .

图3是图2中的围压加载单元的一种具体实施例的结构示意图。FIG. 3 is a schematic structural diagram of a specific embodiment of the confining pressure loading unit in FIG. 2 .

图4是图3的剖视示意图。FIG. 4 is a schematic cross-sectional view of FIG. 3 .

图5是图3中的反力框架组件的结构示意图。FIG. 5 is a schematic structural diagram of the reaction force frame assembly in FIG. 3 .

图6是图1中的钻进系统组件的一种具体实施例的结构示意图。FIG. 6 is a schematic structural diagram of a specific embodiment of the drilling system assembly in FIG. 1 .

图7是图6中的旋转导向钻杆组件的结构示意图。FIG. 7 is a schematic structural diagram of the rotary steerable drill rod assembly in FIG. 6 .

图8是图7中的导向机构组件的剖视示意图。FIG. 8 is a schematic cross-sectional view of the guide mechanism assembly of FIG. 7 .

图9是图6中的旋转驱动组件的一种具体实施例的结构示意图。FIG. 9 is a schematic structural diagram of a specific embodiment of the rotary drive assembly in FIG. 6 .

图10是图9中的动力组件的结构示意图。FIG. 10 is a schematic structural diagram of the power assembly in FIG. 9 .

附图标记说明：10、地应力加载组件；20、钻进系统组件；100、围压加载单元；110、反力框架组件，111、第一侧部框架，1110、上连接孔，112、第二侧部框架,113、第三侧部框架，114、第四侧部框架；115、支撑部，1151、下连接孔；120、加载油缸组件，121、油缸底座，122、油缸缸体，123、油缸活塞，124、油缸端盖；130、样品组件；210、旋转导向钻杆组件；211、钻头；212、导向机构组件；2121、旋转内筒，2122、可伸缩翼肋，2123、外筒，2124、钻头连接孔，2125、钻杆连接孔；213、钻杆；220、旋转驱动组件；221、底板，222、钻杆支撑架，223、控制台，224、动力组件，2241、旋转伺服电机，2242、电机支架，2243、电机底板，2244、导轨，2245、滑块，2246、螺杆丝杠，2247、推力伺服电机，2248、动力组件底板。Description of reference numerals: 10, ground stress loading assembly; 20, drilling system assembly; 100, confining pressure loading unit; 110, reaction force frame assembly, 111, first side frame, 1110, upper connecting hole, 112, first Second side frame, 113, third side frame, 114, fourth side frame; 115, support part, 1151, lower connecting hole; 120, loading cylinder assembly, 121, cylinder base, 122, cylinder block, 123 , Cylinder piston, 124, Cylinder end cover; 130, Sample assembly; 210, Rotary guide drill pipe assembly; 211, Drill bit; 212, Guiding mechanism assembly; , 2124, drill bit connection hole, 2125, drill pipe connection hole; 213, drill pipe; 220, rotary drive assembly; 221, bottom plate, 222, drill pipe support frame, 223, console, 224, power assembly, 2241, rotary servo Motor, 2242, motor bracket, 2243, motor base plate, 2244, guide rail, 2245, slider, 2246, screw screw, 2247, thrust servo motor, 2248, power assembly base plate.

具体实施方式Detailed ways

下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非旨在限制本发明的保护范围。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 used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

以下参照附图结合实施例进一步说明本发明。The present invention will be further described below with reference to the accompanying drawings and embodiments.

参照附图1至附图10，本发明的第一方面公开了一种旋转导向钻井深部模拟试验系统，该系统包括总控中心、地应力加载组件10和钻进系统组件20，地应力加载组件、钻进系统组件均与总控中心信号连接；地应力加载组件包括多个不同角度设置的围压加载单元100，多个围压加载单元依次固定连接设置并且多个围压加载单元构成预设曲线段，通过组成的弯曲样品路径，以便钻杆旋转导向测试试验；多个围压加载单元用于对其内设置的样品组件130提供围压；样品组件的周侧设置有与围压加载单元匹配的加载垫块。Referring to Figures 1 to 10, the first aspect of the present invention discloses a deep simulation test system for rotary steerable drilling, the system includes a general control center, an in-situstress loading assembly 10 and adrilling system assembly 20, and the in-situ stress loading assembly , The drilling system components are all signal-connected to the master control center; the in-situ stress loading component includes a plurality of confiningpressure loading units 100 set at different angles, the plurality of confining pressure loading units are fixedly connected in sequence, and the plurality of confining pressure loading units constitute a preset The curved section passes through the formed curved sample path, so that the drill pipe can be rotated and steered for testing and testing; a plurality of confining pressure loading units are used to provide confining pressure to thesample assembly 130 arranged therein; Matching loading pads.

在本实施例中，多个围压加载单元构成预设圆心角、预设半径的圆弧段；设置在样品组件上侧、下侧、左侧、右侧的加载垫块均为对应的圆弧形，保证与样品组件的完全贴合。In this embodiment, a plurality of confining pressure loading units constitute a circular arc segment with a preset central angle and a preset radius; the loading pads arranged on the upper side, lower side, left side, and right side of the sample assembly are all corresponding circles Curved to ensure full fit with the sample assembly.

其中，钻进系统组件包括旋转导向钻杆组件210和旋转驱动组件220，旋转导向钻杆组件用于在预设曲线段的样品路径内钻进，旋转驱动组件用于为旋转导向钻杆组件提供旋转力和推力；总控中心用于存储预设参数以及对应参数控制下对应的钻孔效果。The drilling system components include a rotary steerabledrill rod assembly 210 and arotary drive assembly 220. The rotary steerable drill rod assembly is used for drilling in the sample path of the preset curve section, and the rotary drive assembly is used to provide the rotary steerable drill rod assembly with Rotation force and thrust; the master control center is used to store the preset parameters and the corresponding drilling effect under the control of the corresponding parameters.

其中，围压加载单元包括反力框架组件110和加载油缸组件120，反力框架组件设置于加载垫块的外侧。Wherein, the confining pressure loading unit includes a reactionforce frame assembly 110 and a loadingoil cylinder assembly 120, and the reaction force frame assembly is arranged on the outer side of the loading pad.

加载油缸组件装设于反力框架组件，用于对样品提供预设加载力。The loading cylinder assembly is installed on the reaction force frame assembly, and is used to provide a preset loading force to the sample.

在一些优选实施例中，反力框架组件包括第一侧部框架111、第二侧部框架112、第三侧部框架113和第四侧部框架114，第一侧部框架与第三侧部框架相对设置；第二侧部框架与第四侧部框架相对设置。In some preferred embodiments, the reaction force frame assembly includes afirst side frame 111, asecond side frame 112, athird side frame 113 and afourth side frame 114, the first side frame and the third side frame The frames are arranged oppositely; the second side frame and the fourth side frame are arranged oppositely.

第一侧部框架、第二侧部框架、第三侧部框架、第四侧部框架均开设有油缸安装孔。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.

加载油缸组件为四个，四个加载油缸组件分别装设于第一侧部框架、第二侧部框架、第三侧部框架、第四侧部框架。There are four loading oil cylinder assemblies, and the four loading oil cylinder assemblies are respectively installed on the first side frame, the second side frame, the third side frame and the fourth side frame.

加载油缸组件包括油缸底座121、油缸缸体122、油缸端盖124和油缸活塞123，油缸活塞的一端设置于油缸缸体内部；油缸底座设置于油缸缸体的外侧；油缸端盖设置于油缸缸体远离油缸底座的一侧。The loading cylinder assembly includes anoil cylinder base 121, anoil cylinder block 122, an oilcylinder end cover 124 and anoil cylinder piston 123. One end of the oil cylinder piston is arranged inside the oil cylinder block; the oil cylinder base is arranged outside the oil cylinder block; the oil cylinder end cover is arranged in the oil cylinder cylinder body away from the cylinder base.

油缸油塞的自由端贯穿对应的油缸安装孔悬伸至与加载垫块抵触。The free end of the oil cylinder plug penetrates through the corresponding oil cylinder installation hole and cantilevered to interfere with the loading pad.

在本实施例中，第三侧部框架为底部框架；底部框架的底部还设置有支撑部115；底部框架的底部到地面的距离大于底部设置的加载油缸组件的底部到地面的距离。In this embodiment, the third side frame is a bottom frame; the bottom of the bottom frame is also provided with asupport portion 115 ; the distance from the bottom of the bottom frame to the ground is greater than the distance from the bottom of the bottom loading cylinder assembly to the ground.

支撑部上还开设有下连接孔1151，第一侧部框架的顶部设置有上连接孔1110，用于固定相邻的两个反力框架组件。Alower connection hole 1151 is also opened on the support portion, and anupper connection hole 1110 is provided on the top of the first side frame for fixing two adjacent reaction force frame assemblies.

优选地，第一侧部框架、第二侧部框架、第三侧部框架、第四侧部框架与支撑部一体成型设置。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.

具体地，旋转导向钻杆组件包括钻头211、导向机构组件212和钻杆213，导向机构组件设置于钻头与钻杆之间；导向机构组件包括旋转内筒2121、可伸缩翼肋2122、外筒2123、智能导钻系统和压块；旋转内筒的一端开设有钻头连接孔2124，另一端开设有钻杆连接孔2125。可伸缩翼肋、智能导钻系统均装设于外筒的外侧，且可伸缩翼肋与智能导钻系统互不干涉。外筒套设于旋转内筒的外侧，外筒通过轴承组件与旋转内筒连接；在钻进的过程中，智能导钻系统自动控制可伸缩翼肋的伸缩高度，控制钻头按预设曲线段的路径钻进。Specifically, the rotary steerable drill rod assembly includes adrill bit 211, aguide mechanism assembly 212 and adrill rod 213, and the guide mechanism assembly is arranged between the drill bit and the drill rod; the guide mechanism assembly includes a rotatinginner cylinder 2121,retractable ribs 2122, anouter cylinder 2123. An intelligent drilling guide system and a pressing block; one end of the rotating inner cylinder is provided with a drillbit connection hole 2124, and the other end is provided with a drillpipe connection hole 2125. The retractable wing rib and the intelligent drill guiding system are installed on the outer side of the outer cylinder, and the retractable wing rib and the intelligent drilling guiding system do not interfere with each other. The outer cylinder is sleeved on the outer side of the rotating inner cylinder, and the outer cylinder is connected with the rotating inner cylinder through the bearing assembly; during the drilling process, the intelligent drilling guide system automatically controls the telescopic height of the retractable rib, and controls the drill bit to follow the preset curve section path to drill into.

在本实施例中，外筒为非旋转的。In this embodiment, the outer cylinder is non-rotating.

进一步地，旋转驱动组件包含底板221、钻杆支撑架222、控制台223和动力组件224；钻杆支撑架、控制台均装设于底板；钻杆支撑架为多个，多个钻杆支撑架沿钻杆的纵向轴线依次设置，以承载旋转导向钻杆组件。Further, the rotary drive assembly includes abase plate 221, a drillrod support frame 222, aconsole 223 and apower assembly 224; the drill rod support frame and the console are both installed on the base plate; there are multiple drill rod support frames, and a plurality of drill rod support frames The racks are arranged in sequence along the longitudinal axis of the drill rod to carry the rotary steerable drill rod assembly.

动力组件装设于控制台；动力组件包括旋转伺服电机2241、电机支架2242、电机底板2243、导轨2244、滑块2245、螺杆丝杠2246、推力伺服电机2247和动力组件底板2248；旋转伺服电机装设于电机支架；电机支架固定于电机底板。The power assembly is installed on the console; the power assembly includes arotary servo motor 2241, amotor bracket 2242, amotor base plate 2243, aguide rail 2244, aslider 2245, ascrew screw 2246, athrust servo motor 2247 and a powerassembly base plate 2248; the rotary servo motor is installed Set on the motor bracket; the motor bracket is fixed on the motor bottom plate.

滑块固设于电机底板的底部，并且滑块与导轨可相对滑动设置；导轨、螺杆丝杠和推力伺服电机均固设于动力组件底板。The sliding block is fixed on the bottom of the motor base plate, and the sliding block and the guide rail can be slidably arranged relative to each other; the guide rail, the screw lead screw and the thrust servo motor are all fixed on the power assembly base plate.

旋转伺服电机与钻杆的尾端连接，以为钻杆提供旋转力；推力伺服电机与螺杆丝杠连接；推力伺服电机用于带动螺杆丝杠做直线运动，以为钻杆提供推力。The rotary servo motor is connected with the tail end of the drill pipe to provide rotation force for the drill pipe; the thrust servo motor is connected with the screw screw; the thrust servo motor is used to drive the screw screw to perform linear motion to provide thrust for the drill rod.

优选地，多个钻杆支撑架等间距设置。Preferably, a plurality of drill rod support frames are arranged at equal intervals.

优选地，加载垫块的纵向轴线与预设曲线段一致设置。Preferably, the longitudinal axis of the loading block is arranged in line with the predetermined curve segment.

本发明的第二方面公开了一种旋转导向钻井深部模拟试验方法，该方法基于上面所述的旋转导向钻井深部模拟试验系统，具体包括以下步骤：步骤S100，根据钻杆预设曲线段的钻进路径，设置围压加载单元的角度及数量；通过本发明公开的方案可模拟不同钻井的开采试验，获得直观的不同地应力对应下的弯曲路径模拟下的钻探效果，以及不同设置参数对深部钻井开采工程影响的试验数据，为实际开采提供可靠参数以及开采指导；A second aspect of the present invention discloses a deep simulation test method for rotary steerable drilling. The method is based on the above-mentioned rotary steerable drilling deep simulation test system, and specifically includes the following steps: Step S100, according to the drilling of a preset curve section of the drill pipe. The angle and number of the confining pressure loading units are set according to the advance path; through the scheme disclosed in the present invention, the production test of different drilling can be simulated, and the drilling effect under the simulation of the curved path corresponding to different in-situ stresses can be obtained intuitively, and the effect of different setting parameters on the deep The experimental data of the impact of drilling and mining engineering provide reliable parameters and mining guidance for actual mining;

步骤S200，将样品组件安装到多个围压加载单元的内部，并且多个围压加载单元固定连接。Step S200, the sample assembly is installed inside the multiple confining pressure loading units, and the multiple confining pressure loading units are fixedly connected.

步骤S300，总控中心控制多个围压加载单元进行围压施加，以模拟地应力。In step S300, the general control center controls a plurality of confining pressure loading units to apply confining pressure to simulate ground stress.

步骤S400，控制旋转驱动组件推动钻杆向前钻进，同时启动智能导钻系统控制其全自动导向，以进行深部钻井模拟试验。In step S400, the rotary drive assembly is controlled to push the drill pipe forward to drill, and at the same time, the intelligent drilling guide system is activated to control its fully automatic steering, so as to conduct a deep drilling simulation test.

进一步地，当旋转导向钻杆组件钻进长度达到一个钻杆的长度时，需要更换钻杆，更换钻杆流程如下：1）将旋转伺服电机和钻杆尾端脱开；2）控制推力伺服电机使旋转伺服电机后退，预留出更换加长钻杆的长度；3）安装加长钻杆，加长钻杆首端与之前的钻杆尾端连接，加长钻杆尾端与旋转伺服电机连接；4）更换完毕；5）更换钻杆后继续钻进，直到试验完成。Further, when the drilling length of the rotary steerable drill pipe assembly reaches the length of one drill pipe, the drill pipe needs to be replaced. The process of replacing the drill pipe is as follows: 1) Disconnect the rotary servo motor from the tail end of the drill pipe; 2) Control the thrust servo The motor makes the rotary servo motor retreat, and reserves the length for replacing the extended drill pipe; 3) Install the extended drill pipe, the head end of the extended drill pipe is connected with the previous end of the drill pipe, and the tail end of the extended drill pipe is connected with the rotary servo motor; 4 ) Replacement is completed; 5) After replacing the drill pipe, continue drilling until the test is completed.

本发明公开的旋转导向钻井深部模拟试验系统及方法可根据预设路径组合各种角度和数量的围压加载单元，设计出不同的钻进路径，以便验证智能导钻的可靠性，获取可靠的试验数据。The deep simulation test system and method for rotary steerable drilling disclosed in the present invention can combine various angles and quantities of confining pressure loading units according to preset paths to design different drilling paths, so as to verify the reliability of intelligent pilot drilling and obtain reliable Test Data.

虽然已经参考优选实施例对本发明进行了描述，但在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件，尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。While the present invention has been described with reference to preferred embodiments, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention, particularly, provided that structural conflicts do not exist , each technical feature mentioned in each embodiment can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

在本发明的描述中，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships The terminology is based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, rather than indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a Invention limitations. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

此外，还需要说明的是，在本发明的描述中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本发明中的具体含义。In addition, it should also be noted that, in the description of the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a It is a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

术语“包括”或者任何其它类似用语旨在涵盖非排他性的包含，从而使得包括一系列要素的过程、物品或者设备/装置不仅包括那些要素，而且还包括没有明确列出的其它要素，或者还包括这些过程、物品或者设备/装置所固有的要素。The term "comprising" or any other similar term is intended to encompass a non-exclusive inclusion such that a process, article, or device/means comprising a list of elements includes not only those elements, but also other elements not expressly listed, or also includes Elements inherent to these processes, items or equipment/devices.

至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征做出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。So far, the technical solutions of the present invention have been described with reference to the preferred embodiments shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present 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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