WO2018133886A1 - 一种基于绳索取心钻具的工程地质钻探施工方法 - Google Patents

一种基于绳索取心钻具的工程地质钻探施工方法 Download PDF

Info

Publication number
WO2018133886A1
WO2018133886A1 PCT/CN2018/080003 CN2018080003W WO2018133886A1 WO 2018133886 A1 WO2018133886 A1 WO 2018133886A1 CN 2018080003 W CN2018080003 W CN 2018080003W WO 2018133886 A1 WO2018133886 A1 WO 2018133886A1
Authority
WO
WIPO (PCT)
Prior art keywords
core
drill
tube assembly
drilling
outer tube
Prior art date
Application number
PCT/CN2018/080003
Other languages
English (en)
French (fr)
Inventor
王坚
刘绪勇
Original Assignee
珠海市英格尔特种钻探设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海市英格尔特种钻探设备有限公司 filed Critical 珠海市英格尔特种钻探设备有限公司
Publication of WO2018133886A1 publication Critical patent/WO2018133886A1/zh

Links

Classifications

    • 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
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • 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
    • E21B7/00Special methods or apparatus for drilling

Definitions

  • the present invention relates to the field of engineering geological drilling technology, and in particular to an engineering geotechnical drilling construction method based on a rope core drilling tool.
  • the present invention is based on a Chinese invention patent application filed on January 23, 2017, the application number of which is incorporated herein by reference.
  • the most widely used engineering geological drilling is the use of vertical shaft drilling rigs (such as XY-1 type or XY-2 type) and single-tube drilling tools, drilling with cemented carbide drills, without water dry drills, each The secondary footage is 0.5m to 2m. A large drill is taken, the core is taken and the standard penetration test is carried out. A full set of drill pipe drilling tools is required from the hole.
  • the biggest advantage of this method is low cost and simple operation.
  • the limitations and shortcomings of the drilling rig are also very obvious. Due to the single-tube drilling, the soil layer is disturbed, and the complex formation is difficult to extract the original soil sample, resulting in the core.
  • the present invention provides an engineering geological drilling construction method based on a rope core drilling tool, which adopts a single-action double-tube drilling tool with full hole and pipe drilling, in the core and
  • the drill pipe and the outer pipe assembly are always kept in the borehole, the disturbance to the soil layer is small, and the hole wall is protected. Destruction.
  • the present invention solves the technical problems thereof, and provides an engineering geological drilling construction method based on a rope core drilling tool, the method comprising the following steps:
  • Step one selecting a drilling tool, the drilling tool adopts a single-action double-tube rope core drilling tool, the drilling tool includes an outer pipe assembly and an inner pipe assembly, and the outer pipe assembly includes an outer pipe And a coring bit mounted at a lower end of the outer tube, the inner tube assembly including a core tube and an elastic card that can be snapped into the outer tube assembly;
  • Step 2 installing the coring bit at the lower end of the outer tube, and installing the core tube at the lower end of the elastic card, the elastic card is suspended in the outer tube assembly, and the upper end of the outer tube assembly is connected with the power head of the drilling machine through the drill pipe;
  • Step 3 The power head of the drilling machine drives the drill rod to drive the core bit on the outer tube assembly to rotate the rock, the cylinder is pressurized, and the core tube remains in a non-rotating state and takes the core, the core Constantly entering the core tube
  • Step 4 When the depth of the drilling reaches the length of the core tube, the cylinder lifts the entire drilling tool away from the bottom of the hole for a short distance to unplug the core, and clamps the drill rod through the clamp of the drilling machine;
  • Step 5 Lower the rope core-harvesting device, salvage the inner tube assembly filled with the core, and the drill pipe and the outer tube assembly remain stationary, and replace the other inner tube assembly to re-place Carry out the next round of drilling into the outer pipe assembly;
  • Step 6 Repeat steps 3 to 5, until after drilling to the depth of the expected drilling, the cylinder lifts the entire drilling tool away from the bottom of the hole for a short distance to unplug the core, and lay down the rope coring and salvage device. The inner core assembly of the full core is salvaged, and the drill pipe and outer pipe assembly remain stationary in the borehole;
  • Step 7 Connect the standard penetration device through a test rod and pass it through the drill pipe and the outer pipe assembly to the bottom of the drill hole;
  • Step VIII the top end of the test rod is connected to the standard hammer seat, and the standard hammer test is performed by using the standard hammer above the test rod to freely fall the body, and the standard penetration test is performed. During the test, the drill pipe and the outer pipe are tested. The assembly remains stationary within the borehole;
  • Step 9 After the standard penetration experiment is completed, the standard penetration device is quickly presented by the main hoist.
  • the cylinder lifts the entire drill tool away from the bottom of the hole by 100 mm to unplug the core.
  • the outer tube assembly has a minimum inner diameter of not less than 56 mm, and the standard penetration has a maximum outer diameter of not more than 50 mm.
  • the core drill has an outer diameter of 75.7 mm and an inner diameter of 56 mm.
  • the length of the inner tube assembly is adjusted and checked to ensure that the inner tube assembly does not contact the stepped portion of the inner wall of the drill bit, and the water gap is not more than 1 mm.
  • the drilling construction method adopts a single-action double-tube drilling tool with full hole and pipe drilling, and the drilling speed is very fast in the rotary boring, the mud consumption is small, the core tube remains in a non-rotating state, and the soil layer is The disturbance is small, the core quality is high, and the undisturbed soil sample can be extracted.
  • the drill pipe and the outer pipe assembly are always kept in the borehole, and the hole wall is protected to avoid repeated drilling and damage.
  • the hole wall and the same diameter also reduce the friction between the test rod and the hole wall, reducing the uncertainty and making the test result more accurate.
  • FIG. 1 is a schematic structural view of a core boring machine according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the structure of a standard penetration test in an embodiment of the present invention.
  • the drilling tool used in the drilling method of the present invention is a single-acting double-tube rope core drilling tool, comprising an outer tube assembly 1 and an inner tube assembly inserted in the outer tube assembly 1 2,
  • the outer tube assembly 1 includes a snap-in block 11 connected in order from top to bottom, a cartridge chamber 12, a seat ring 13, an outer tube 14, a reamer 16 and a coring bit 15, and an outer tube assembly 1
  • the minimum inner diameter is not less than 56 mm
  • the core drill 15 is made of cemented carbide. It can also be a composite drill or diamond impregnated drill with an outer diameter of 75.7 mm and an inner diameter of 56 mm.
  • the inner tube assembly 2 includes The drill head assembly 21, the core tube 22, the spring block 23 and the circlip spring 24 are connected in sequence from top to bottom.
  • the seat ring 13 can support the drill head assembly 21, and the drill head assembly 21 is provided.
  • a cartridge that can be engaged with the cartridge stop 11 [0025]
  • the outer tube assembly 1 is internally provided with a test rod 3, the upper end of the test rod 3 is connected to the standard hammer base 4, and the lower end is connected to the standard penetration 5, and the maximum outer diameter of the standard penetration 5 Do not exceed 50 mm for insertion into the outer tube assembly 1.
  • the engineering geological drilling construction method based on the rope core drilling tool of the present invention comprises the following steps:
  • Step one selecting a drilling tool, the selected drilling tool adopts a single-action double-tube rope core drilling tool.
  • Step 2 the core drill 15 is installed at the lower end of the outer tube 14, and the core tube 22 is installed at the lower end of the elastic card 25, the elastic card 25 is suspended in the cartridge chamber 12, and the inner tube assembly is adjusted and inspected.
  • the length of 2 ensures that the spring holder 23 does not contact the stepped portion of the inner wall of the drill bit, and the water gap is not more than 1 mm.
  • the upper end of the cartridge stopper 11 is connected to the power head of the drill through the drill pipe.
  • Step 3 The power head of the drilling machine drives the drill rod to drive the core bit 15 on the outer tube assembly 1 to rotate the rock, the cylinder is pressurized, and the core tube 22 remains in a non-rotating state and takes the core. The core continuously enters the core tube 22.
  • Step 4 After the depth of the drilling reaches the length of the core tube 22, the cylinder lifts the entire drilling tool away from the bottom of the hole.
  • the core is unplugged and the drill pipe is clamped by the rig's gripper.
  • Step 5 Lower the rope coring and salvage device, and salvage the inner tube assembly 2 filled with the core, while the drill pipe and the outer tube assembly 1 remain stationary, and replace the other inner tube assembly 2 To re-insert into the outer tube assembly 1 for the next round of drilling.
  • Step 6 Repeat steps 3 to 5 until the depth of the expected drilling is reached.
  • the cylinder lifts the entire drilling tool 100 mm away from the bottom of the hole to unplug the core, and lay down the rope coring and salvage device.
  • the inner core assembly 2 of the full core is salvaged, while the drill pipe and outer pipe assembly 1 remain stationary within the borehole.
  • Step 7 Connect the standard penet 5 through a test rod 3 and pass it through the drill pipe and outer pipe assembly 1 to the bottom of the hole.
  • Step VIII the top end of the test rod 3 is connected to the standard hammer base 4, and the standard hammer seat 4 is hit by using the standard hammer above the test rod 3 to perform the standard penetration test.
  • the drill is performed.
  • the rod and outer tube assembly 1 remains stationary within the borehole.
  • Step 9 After the standard penetration experiment is completed, the standard penetration 5 is quickly presented by the main hoist.
  • the spring seat 23 is not in contact with the stepped portion of the inner wall of the drill bit 16, and is convenient to be sent.
  • the water is drilled, and the water gap is less than 1 mm, which prevents the soil from entering the gap between the core tube 22 and the outer tube 14 during the drilling process, thereby preventing the core tube 22 from being stuck.
  • the drilling tool is pressed into the rotary boring, and the full hole and the pipe are drilled very fast.
  • the sandstone stratum and the cobblestone formation it can be drilled in about 25 meters in 8 small rafts, and the mud consumption is small, due to the core tube. 22 keeps the non-rotating state, the disturbance to the soil layer is small, the core quality is high, and the undisturbed soil sample can be extracted.
  • the drill pipe and the outer pipe assembly 1 are always kept in the borehole,
  • the function of protecting the hole wall is to avoid repeatedly lifting the hole to damage the hole wall, and the friction of the test rod 3 and the hole wall is also reduced, and the test rod 3 is prevented from being bent and deformed, hitting the hole wall, reducing the uncertain factors and making the test result more accurate.
  • the engineering geological drilling method based on the rope core drilling tool of the invention because the single-action double-tube drilling tool is used, the drilling is performed in the rotary boring, the drilling speed of the full hole and the pipe is very fast, the mud consumption is small, the rock The core tube remains in a non-rotating state, and the disturbance to the soil layer is small.
  • the cylinder lifts the entire drilling tool away from the bottom of the hole to pull off the core, and the core quality is high. Extract the undisturbed soil sample.
  • the drill pipe and the outer pipe assembly are always kept in the borehole, the hole wall is protected, and the hole wall is prevented from being repeatedly drilled, and the same is also reduced.
  • the friction between the test rod and the hole wall reduces the uncertain factors, makes the test result more accurate, and is more conducive to the development of the construction.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Earth Drilling (AREA)

Abstract

公开了一种基于绳索取心钻具的工程地质钻探施工方法,该方法采用单动双管钻具,将取心钻头(15)安装在外管(14)下端,并将岩芯管(22)安装在弹卡(25)下端,弹卡(25)悬挂在外管总成(1)内,外管总成(1)上端通过钻杆与钻机的动力头连接;钻机的动力头驱动钻杆带动外管总成(1)上的取心钻头(15)旋转切削岩土;当钻进的深度达到岩芯管(22)的长度后,油缸将整个钻具提起,离孔底一段距离以拔断岩芯,并通过钻机的夹持器夹紧固定钻杆;然后放下绳索取芯打捞器,将装满岩芯的内管总成(2)打捞出来,更换另一套内管总成以重新放入外管总成(1)内进行下一轮的钻进;待钻进到预期钻探的深度后,将装满岩芯的内管总成(2)打捞出来,而钻杆和外管总成(1)在钻孔内保持不动;将标准贯入器(5)通过测试杆(3)连接起来,穿过钻杆和外管总成(1)送至钻孔底部;测试杆(3)的顶端连接标贯锤座(4),利用测试杆(3)上方的标贯锤击打标贯锤座(4),进行标准贯入试验;标准贯入实验完成后,利用主卷扬机快速地将标准贯入器提出来。

Description

一种基于绳索取心钻具的工程地质钻探施工方法 技术领域
[0001] 本发明涉及工程地质钻探技术领域, 尤其涉及一种基于绳索取心钻具的工程地 质钻探施工方法。 本发明是基于申请日为 2017年 1月 23日、 申请号为 CN20171005 8470.7的中国发明专利申请, 上述申请文件的内容将引入本文作为参考。
背景技术
[0002] 工程地质钻探是按照一定的目的与要求, 利用钻探机具钻入地层, 取出岩芯和 土样以探明地质情况和地基承载能力, 这需要钻进表土层并具有特殊的取样要 求, 而且还需要在钻孔内进行专门的测试工作, 采取原状土样是工程钻探的目 的之一, 这是为测定土的天然结构的容量、 密度、 温度、 抗剪切强度和压缩系 数等物理力学性质, 以进行岩土的特性描述并确定土层的承载能力和稳定性, 为各类工程建筑提供可靠的设计依据。
[0003] 目前应用最广的工程地质钻探是利用立轴钻机 (如 XY-1型或 XY-2型) 和单管 钻具, 用硬质合金钻头机械回转方法钻进, 不送水干钻, 每次进尺 0.5米至 2米, 提一次大钻, 取岩芯和进行标准贯入试验吋需要将全套钻杆钻具从孔内提出来 。 这种方法最大的优点是成本低, 操作简单, 但钻机钻具的局限性、 缺点也非 常明显, 由于采用单管钻进, 对土层扰动大, 复杂地层难提取原状土样, 导致 岩芯质量不佳; 在取芯和标准贯入试验吋, 还需要反复提起或放下整个钻杆和 钻具, 容易破坏孔壁, 经常发生掉块、 塌孔等现象, 导致卡钻事故。 此外, 在 进行标准贯入试验吋, 钻杆受到锤击发生弹性变形易撞击孔壁, 影响孔壁稳定 , 同吋钻杆与孔壁摩擦影响测试精度。
技术问题
[0004] 为了克服上述现有技术的不足, 本发明提供了一种基于绳索取心钻具的工程地 质钻探施工方法, 其采用单动双管钻具全孔跟管钻进, 在取芯和标准贯入试验 吋, 钻杆和外管总成则始终在钻孔内保持不动, 对土层扰动小, 保护孔壁免受 破坏。
[0005] 技术解决手段
[0006] 本发明解决其技术问题, 提供了一种基于绳索取心钻具的工程地质钻探施工方 法, 该方法包括以下步骤:
[0007] 步骤一、 选择钻具, 所述钻具采用单动双管的绳索取心钻具, 所述钻具包括外 管总成和内管总成, 所述外管总成包括外管以及安装在外管下端的取心钻头, 所述内管总成包括岩芯管和可卡置在外管总成内的弹卡;
[0008] 步骤二、 将取心钻头安装在外管下端, 并将岩芯管安装在弹卡下端, 弹卡悬挂 在外管总成内, 外管总成上端通过钻杆与钻机的动力头连接;
[0009] 步骤三、 钻机的动力头驱动钻杆带动外管总成上的取心钻头旋转切削岩土, 油 缸加压进给, 而岩芯管保持不旋转状态并套取岩芯, 岩芯不断地进入岩芯管里
[0010] 步骤四、 当钻进的深度达到岩芯管的长度后, 油缸将整个钻具提离孔底一小段 距离以拔断岩芯, 并通过钻机的夹持器夹紧固定钻杆;
[0011] 步骤五、 放下绳索取芯打捞器, 将装满岩芯的内管总成打捞出来, 而钻杆和外 管总成则保持不动, 更换另一套内管总成以重新放入外管总成内进行下一轮的 钻进;
[0012] 步骤六、 重复步骤三至步骤五, 直至钻进到预期钻探的深度后, 油缸将整个钻 具提离孔底一小段距离以拔断岩芯, 放下绳索取芯打捞器, 将装满岩芯的内管 总成打捞出来, 而钻杆和外管总成在钻孔内保持不动;
[0013] 步骤七、 将标准贯入器通过一根根测试杆连接起来, 穿过钻杆和外管总成送至 钻孔底部;
[0014] 步骤八、 测试杆的顶端连接标贯锤座, 利用测试杆上方的标贯锤自由落体的方 式击打标贯锤座, 进行标准贯入试验, 在试验期间, 钻杆和外管总成在钻孔内 保持不动;
[0015] 步骤九、 标准贯入实验完成后, 利用主卷扬机快速地将标准贯入器提出来。
[0016] 作为上述技术方案的改进, 在步骤四和步骤六中, 油缸将整个钻具提离距孔底 100毫米处以拔断岩芯。 [0017] 作为上述技术方案的改进, 所述外管总成的最小内径不低于 56毫米, 所述标准 贯入器的最大外径不超过 50毫米。
[0018] 作为上述技术方案的改进, 所述取心钻头的外径为 75.7毫米, 内径为 56毫米。
[0019] 作为上述技术方案的改进, 在步骤二中, 调整并检査内管总成的长度, 保证内 管总成与钻头内壁的台阶部位不接触, 过水间隙不超过 1毫米。
问题的解决方案
发明的有益效果
有益效果
[0020] 本钻探施工方法采用单动双管钻具全孔跟管钻进, 在回转吋压入钻进, 钻进速 度非常快, 泥浆消耗少, 岩芯管保持不旋转状态, 对土层扰动小, 取芯质量高 , 可提取原状土样, 在取芯和标准贯入试验吋, 钻杆和外管总成则始终在钻孔 内保持不动, 保护孔壁, 避免反复提钻破坏孔壁, 同吋也减少测试杆与孔壁的 摩擦, 减少不确定因素, 使试验结果更准确。
对附图的简要说明
附图说明
[0021] 下面结合附图及具体实施例对本发明作进一步说明, 其中:
[0022] 图 1是本发明实施例在钻进取芯吋的结构示意图;
[0023] 图 2是本发明实施例在标准贯入试验吋的结构示意图。
本发明的实施方式
[0024] 如图 1所示, 本发明钻探方法所采用的钻具为单动双管的绳索取心钻具, 包括 外管总成 1和插设在外管总成 1内的内管总成 2, 外管总成 1包括从上至下依次连 接的弹卡挡头 11、 弹卡室 12、 座环 13、 外管 14、 扩孔器 16以及取心钻头 15, 夕卜 管总成 1的最小内径不小于 56毫米, 取心钻头 15采用硬质合金制成, 也可采用复 合片钻头或金刚石孕镶钻头, 外径为 75.7毫米, 内径为 56毫米, 内管总成 2包括 从上至下依次连接的钻具头总成 21、 岩芯管 22、 卡簧座 23以及卡簧 24, 座环 13 可限位支撑钻具头总成 21, 钻具头总成 21上设有可与弹卡挡头 11配合卡紧的弹 [0025] 如图 2所示, 外管总成 1内穿设有测试杆 3, 测试杆 3上端连接标贯锤座 4, 下端 连接标准贯入器 5, 标准贯入器 5的最大外径不超过 50毫米, 以便插入外管总成 1 内。
[0026] 本发明的基于绳索取心钻具的工程地质钻探施工方法, 包括以下步骤:
[0027] 步骤一、 选择钻具, 所选取的钻具采用单动双管的绳索取心钻具。
[0028] 步骤二、 将取心钻头 15安装在外管 14的下端, 并将岩芯管 22安装在弹卡 25下端 , 弹卡 25悬挂在弹卡室 12内, 调整并检査内管总成 2的长度, 保证卡簧座 23与钻 头内壁的台阶部位不接触, 过水间隙不超过 1毫米, 弹卡挡头 11上端通过钻杆与 钻机的动力头连接。
[0029] 步骤三、 钻机的动力头驱动钻杆带动外管总成 1上的取心钻头 15旋转切削岩土 , 油缸加压进给, 而岩芯管 22保持不旋转状态并套取岩芯, 岩芯不断地进入岩 芯管 22里。
[0030] 步骤四、 当钻进的深度达到岩芯管 22的长度后, 油缸将整个钻具提离距孔底 10
0毫米处以拔断岩芯, 并通过钻机的夹持器夹紧固定钻杆。
[0031] 步骤五、 放下绳索取芯打捞器, 将装满岩芯的内管总成 2打捞出来, 而钻杆和 外管总成 1则保持不动, 更换另一套内管总成 2以重新放入外管总成 1内进行下一 轮的钻进。
[0032] 步骤六、 重复步骤三至步骤五, 直至钻进到预期钻探的深度后, 油缸将整个钻 具提离距孔底 100毫米处以拔断岩芯, 放下绳索取芯打捞器, 将装满岩芯的内管 总成 2打捞出来, 而钻杆和外管总成 1在钻孔内保持不动。
[0033] 步骤七、 将标准贯入器 5通过一根根测试杆 3连接起来, 穿过钻杆和外管总成 1 送至钻孔底部。
[0034] 步骤八、 测试杆 3的顶端连接标贯锤座 4, 利用测试杆 3上方的标贯锤自由落体 的方式击打标贯锤座 4, 进行标准贯入试验, 在试验期间, 钻杆和外管总成 1在 钻孔内保持不动。
[0035] 步骤九、 标准贯入实验完成后, 利用主卷扬机快速地将标准贯入器 5提出来。
[0036] 在本发明方法的步骤二中, 卡簧座 23与钻头 16内壁的台阶部位不接触, 方便送 水钻进, 而过水间隙不超过 1毫米, 能够避免泥土在钻进过程中进入到岩芯管 22 与外管 14之间的间隙中, 防止导致卡死岩芯管 22。
[0037] 钻具在回转吋压入钻进, 全孔跟管钻进速度非常快, 在沙岩地层及鹅卵石地层 能够在 8小吋内钻进 25米左右, 泥浆消耗少, 由于岩芯管 22保持不旋转状态, 对 土层扰动小, 取芯质量高, 可提取原状土样, 在标准贯入试验吋, 钻杆和外管 总成 1则始终在钻孔内保持不动, 起到保护孔壁的作用, 避免反复提钻破坏孔壁 , 同吋也减少测试杆 3与孔壁的摩擦, 避免测试杆 3弯曲变形吋撞击孔壁, 减少 不确定因素, 使试验结果更准确。
[0038] 以上所述, 只是本发明的较佳实施方式而已, 但本发明并不限于上述实施例, 只要其以任何相同或相似手段达到本发明的技术效果, 都应属于本发明的保护 范围。
[0039] 工业应用性
[0040] 本发明的基于绳索取心钻具的工程地质钻探方法, 由于采用单动双管钻具, 在 回转吋压入钻进, 全孔跟管钻进速度非常快, 泥浆消耗少, 岩芯管保持不旋转 状态, 对土层扰动小, 当钻进的深度达到岩芯管的长度后, 油缸将整个钻具提 离距孔底一段距离以拔断岩芯, 取芯质量高, 可提取原状土样。
[0041] 并且, 本发明在取芯和标准贯入试验吋, 钻杆和外管总成则始终在钻孔内保持 不动, 保护孔壁, 避免反复提钻破坏孔壁, 同吋也减少测试杆与孔壁的摩擦, 减少不确定因素, 使试验结果更准确, 更加有利于施工的幵展。

Claims

权利要求书
[权利要求 1] 一种基于绳索取心钻具的工程地质钻探施工方法, 其特征在于, 包括 以下步骤:
步骤一、 选择钻具, 所述钻具采用单动双管的绳索取心钻具, 所述钻 具包括外管总成和内管总成, 所述外管总成包括外管以及安装在外管 下端的取心钻头, 所述内管总成包括岩芯管和可卡置在外管总成内的 弹卡;
步骤二、 将所述取心钻头安装在所述外管的下端, 并将所述岩芯管安 装在所述弹卡下端, 所述弹卡悬挂在所述外管总成内, 所述外管总成 的上端通过钻杆与钻机的动力头连接;
步骤三、 所述钻机的动力头驱动所述钻杆带动所述外管总成上的所述 取心钻头旋转切削岩土, 所述取心钻头进给吋, 所述岩芯管保持不旋 转状态并套取岩芯, 岩芯不断地进入所述岩芯管里;
步骤四、 当钻进的深度达到所述岩芯管的长度后, 油缸将整个钻具提 离孔底预设距离以拔断岩芯, 并通过所述钻机的夹持器夹紧固定所述 钻杆;
步骤五、 放下绳索取芯打捞器, 将装满岩芯的所述内管总成打捞出来 , 而所述钻杆和所述外管总成保持不动, 更换另一套内管总成以重新 放入所述外管总成内进行下一轮的钻进;
步骤六、 重复步骤三至步骤五, 直至钻进到预期钻探的深度后, 油缸 将整个钻具提离孔底预设距离以拔断岩芯, 放下绳索取芯打捞器, 将 装满岩芯的内管总成打捞出来, 而所述钻杆和所述外管总成在所述钻 孔内保持不动;
步骤七、 将标准贯入器通过测试杆连接起来, 穿过所述钻杆和所述外 管总成送至所述钻孔底部;
步骤八、 所述测试杆的顶端连接标贯锤座, 利用所述测试杆上方的标 贯锤击打标贯锤座, 进行标准贯入试验;
步骤九、 标准贯入实验完成后, 利用主卷扬机将标准贯入器提出来。
[权利要求 2] 根据权利要求 1所述的一种基于绳索取心钻具的工程地质钻探施工方 法, 其特征在于:
在步骤四和步骤六中, 所述油缸将整个钻具提离孔底预设距离以拔断 岩芯, 所述预设距离为 100毫米。
[权利要求 3] 根据权利要求 1或 2所述的一种基于绳索取心钻具的工程地质钻探施工 方法, 其特征在于:
所述外管总成的最小内径大于所述标准贯入器的最大外径。
[权利要求 4] 根据权利要求 3所述的一种基于绳索取心钻具的工程地质钻探施工方 法, 其特征在于:
所述外管总成的最小内径不小于 56毫米, 所述标准贯入器的最大外径 不大于 50毫米。
[权利要求 5] 根据权利要求 1至 4任一项所述的一种基于绳索取心钻具的工程地质钻 探施工方法, 其特征在于:
所述取心钻头的外径为 75.7毫米, 内径为 56毫米。
[权利要求 6] 根据权利要求 1至 5任一项所述的一种基于绳索取心钻具的工程地质钻 探施工方法, 其特征在于:
在步骤二中, 调整内管总成的长度, 使所述内管总成与所述钻头内壁 的台阶部位不接触, 过水间隙不超过 1毫米。
[权利要求 7] 根据权利要求 1至 6任一项所述的一种基于绳索取心钻具的工程地质钻 探施工方法, 其特征在于:
所述步骤八中, 所述标贯锤以自由落体的方式击打所述标贯锤座。
[权利要求 8] 根据权利要求 1至 7任一项所述的一种基于绳索取心钻具的工程地质钻 探施工方法, 其特征在于:
所述步骤八中, 在标准贯入试验期间, 所述钻杆和所述外管总成在所 述钻孔内保持不动。
PCT/CN2018/080003 2017-01-23 2018-03-22 一种基于绳索取心钻具的工程地质钻探施工方法 WO2018133886A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710058470.7 2017-01-23
CN201710058470.7A CN106677701B (zh) 2017-01-23 2017-01-23 一种基于绳索取心钻具的工程地质钻探施工方法

Publications (1)

Publication Number Publication Date
WO2018133886A1 true WO2018133886A1 (zh) 2018-07-26

Family

ID=58860255

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/080003 WO2018133886A1 (zh) 2017-01-23 2018-03-22 一种基于绳索取心钻具的工程地质钻探施工方法

Country Status (2)

Country Link
CN (1) CN106677701B (zh)
WO (1) WO2018133886A1 (zh)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111119776A (zh) * 2020-03-03 2020-05-08 湖南科技大学 一种适用于大口径水平工程地质勘探的绳索取心钻具
CN112814601A (zh) * 2021-03-12 2021-05-18 湖南科技大学 适用于海底钻机绳索取心钻具的挂钩式快捷拆装内管总成
CN113585959A (zh) * 2021-07-14 2021-11-02 深圳市工勘岩土集团有限公司 全套管管靴与潜孔锤跟管双动力破岩施工方法
CN113958266A (zh) * 2021-10-21 2022-01-21 吉林大学 一种定向造斜连续取心钻具
CN114592815A (zh) * 2022-03-31 2022-06-07 陕西太合智能钻探有限公司 一种用于定向分支钻孔的岩芯取样装置
CN115854826A (zh) * 2023-03-02 2023-03-28 中钜(陕西)工程咨询管理有限公司 一种铺装路面施工质量检测装置
CN116733399A (zh) * 2023-06-20 2023-09-12 浙江省工程勘察设计院集团有限公司 一种用于滑坡勘察的取芯工艺
CN117646611A (zh) * 2024-01-30 2024-03-05 四川公路桥梁建设集团有限公司 一种单动双管取芯装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106677701B (zh) * 2017-01-23 2018-08-17 珠海市英格尔特种钻探设备有限公司 一种基于绳索取心钻具的工程地质钻探施工方法
CN108487871B (zh) * 2018-04-24 2024-06-18 山西汇永能源工程有限公司 一种煤田钻探装置
RU2719889C1 (ru) * 2019-07-09 2020-04-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "Мурманский государственный технический университет" (ФГБОУ ВО "МГТУ") Способ бурения на акватории
CN110630173B (zh) * 2019-09-30 2021-03-23 中国铁建重工集团股份有限公司 一种取芯钻机
CN110630200B (zh) * 2019-10-10 2024-06-25 中交第二航务工程局有限公司 一种简易的超大直径取芯钻芯样提取装置及取芯方法
CN111502581B (zh) * 2020-04-27 2023-09-01 深圳大学 一种干钻捞渣作业装置及其使用方法
CN111472705A (zh) * 2020-05-11 2020-07-31 珠海市英格尔特种钻探设备有限公司 一种基于绳索取心钻具的原位土样采集装置及方法
CN113294107A (zh) * 2021-06-24 2021-08-24 珠海市英格尔特种钻探设备有限公司 一种螺旋绳索取芯钻具及其施工方法
CN114086902A (zh) * 2021-11-17 2022-02-25 浙江海聚科技有限公司 一种跟管取芯钻具及钻探施工工艺

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06137058A (ja) * 1992-10-29 1994-05-17 Izumo Jiyoukoushiya:Kk 軟弱地層における地層試料の採取方法及び採取具
SU1304470A1 (ru) * 1984-08-31 1995-01-20 Всесоюзный Научно-Исследовательский Институт Буровой Техники Способ бурения с отбором керна
CN101864916A (zh) * 2010-05-27 2010-10-20 吉林大学 孔底冷冻绳索取心钻具及其取心方法
CN102102498A (zh) * 2010-11-26 2011-06-22 浙江大学 软岩层钻探专用的绳索取芯系统及其使用方法
US20150136486A1 (en) * 2013-11-15 2015-05-21 Korea Institute Of Geoscience And Mineral Resources Coring system considering tilting of coring part and method of compensating depth of coring part using the same
CN104929554A (zh) * 2015-07-10 2015-09-23 吉林大学 气动循环冷冻式天然气水合物绳索取心钻具及取心方法
CN105041251A (zh) * 2015-07-10 2015-11-11 吉林大学 天然气水合物孔底冷冻双弹卡绳索取心钻具及取心方法
CN106677701A (zh) * 2017-01-23 2017-05-17 珠海市英格尔特种钻探设备有限公司 一种基于薄壁钻具的工程地质钻探施工方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9708874B2 (en) * 2013-08-27 2017-07-18 Baker Hughes Incorporated Mechanical core jam indicator for coring tools, coring tools including such core jam indicators, and related methods
US9580982B2 (en) * 2014-02-18 2017-02-28 Baker Hughes Incorporated Coring tools with improved reliability during core jams, and related methods
CN105041250B (zh) * 2015-06-30 2017-06-30 中国地质大学(武汉) 一种绳索取心冲击钻具
CN204920870U (zh) * 2015-09-06 2015-12-30 唐山市金石超硬材料有限公司 一种薄壁钻具用提取岩心卡簧
CN205713966U (zh) * 2016-04-15 2016-11-23 中国地质科学院勘探技术研究所 一种复合式海洋天然气水合物地层勘探钻具
CN106194087A (zh) * 2016-07-21 2016-12-07 中国地质科学院勘探技术研究所 一种大口径长钻程取心钻具及取心钻进方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1304470A1 (ru) * 1984-08-31 1995-01-20 Всесоюзный Научно-Исследовательский Институт Буровой Техники Способ бурения с отбором керна
JPH06137058A (ja) * 1992-10-29 1994-05-17 Izumo Jiyoukoushiya:Kk 軟弱地層における地層試料の採取方法及び採取具
CN101864916A (zh) * 2010-05-27 2010-10-20 吉林大学 孔底冷冻绳索取心钻具及其取心方法
CN102102498A (zh) * 2010-11-26 2011-06-22 浙江大学 软岩层钻探专用的绳索取芯系统及其使用方法
US20150136486A1 (en) * 2013-11-15 2015-05-21 Korea Institute Of Geoscience And Mineral Resources Coring system considering tilting of coring part and method of compensating depth of coring part using the same
CN104929554A (zh) * 2015-07-10 2015-09-23 吉林大学 气动循环冷冻式天然气水合物绳索取心钻具及取心方法
CN105041251A (zh) * 2015-07-10 2015-11-11 吉林大学 天然气水合物孔底冷冻双弹卡绳索取心钻具及取心方法
CN106677701A (zh) * 2017-01-23 2017-05-17 珠海市英格尔特种钻探设备有限公司 一种基于薄壁钻具的工程地质钻探施工方法

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111119776B (zh) * 2020-03-03 2024-04-09 湖南科技大学 一种适用于大口径水平工程地质勘探的绳索取心钻具
CN111119776A (zh) * 2020-03-03 2020-05-08 湖南科技大学 一种适用于大口径水平工程地质勘探的绳索取心钻具
CN112814601A (zh) * 2021-03-12 2021-05-18 湖南科技大学 适用于海底钻机绳索取心钻具的挂钩式快捷拆装内管总成
CN112814601B (zh) * 2021-03-12 2024-04-12 湖南科技大学 适用于海底钻机绳索取心钻具的挂钩式快捷拆装内管总成
CN113585959A (zh) * 2021-07-14 2021-11-02 深圳市工勘岩土集团有限公司 全套管管靴与潜孔锤跟管双动力破岩施工方法
CN113585959B (zh) * 2021-07-14 2024-04-26 深圳市工勘岩土集团有限公司 全套管管靴与潜孔锤跟管双动力破岩施工方法
CN113958266A (zh) * 2021-10-21 2022-01-21 吉林大学 一种定向造斜连续取心钻具
CN113958266B (zh) * 2021-10-21 2024-03-19 吉林大学 一种定向造斜连续取心钻具
CN114592815A (zh) * 2022-03-31 2022-06-07 陕西太合智能钻探有限公司 一种用于定向分支钻孔的岩芯取样装置
CN115854826A (zh) * 2023-03-02 2023-03-28 中钜(陕西)工程咨询管理有限公司 一种铺装路面施工质量检测装置
CN116733399A (zh) * 2023-06-20 2023-09-12 浙江省工程勘察设计院集团有限公司 一种用于滑坡勘察的取芯工艺
CN116733399B (zh) * 2023-06-20 2024-05-31 浙江省工程勘察设计院集团有限公司 一种用于滑坡勘察的取芯工艺
CN117646611A (zh) * 2024-01-30 2024-03-05 四川公路桥梁建设集团有限公司 一种单动双管取芯装置
CN117646611B (zh) * 2024-01-30 2024-04-09 四川公路桥梁建设集团有限公司 一种单动双管取芯装置

Also Published As

Publication number Publication date
CN106677701A (zh) 2017-05-17
CN106677701B (zh) 2018-08-17

Similar Documents

Publication Publication Date Title
WO2018133886A1 (zh) 一种基于绳索取心钻具的工程地质钻探施工方法
CA3004688C (en) An engineering geological drilling construction method based on wire line coring drilling tool
Zapico et al. A wireline piston core barrel for sampling cohesionless sand and gravel below the water table
CN111236872B (zh) 一种定向绳索取芯钻具及其钻探方法
CN112593882B (zh) 一种具有复合功能的绳索定向取心钻进装置
CN107237323A (zh) 大直径超厚卵石层成孔方法
RU2422588C2 (ru) Способ ударного зондирования грунтов и устройство для его осуществления
CN105568951A (zh) 一种预钻式旁压试验的钻孔装置及成孔方法
JP4692883B2 (ja) ロータリーパーカッションドリルを用いた地盤調査工法及び装置
CN107476774B (zh) 一种钻孔灌注施工过程中孔内埋钻的处理方法
CN100585089C (zh) 孔下标准贯入仪
CN102818714A (zh) 覆盖层取样器
TW202014685A (zh) 用於實施地質調查的裝置及方法
CN105822245B (zh) 一种钻孔内陀螺测斜仪解卡打捞装置及其打捞方法
JP2010242344A (ja) コアサンプリング装置
CN110984878B (zh) 一种城市深埋隧道勘察孔绳索取芯钻进装置
CN109778824A (zh) 一种端部卡片式的软弱土取样钻具
NO321212B1 (no) Anordning for a ta en jordprove
CN102661147B (zh) 一种超前伸缩式取样钻具
KR101287456B1 (ko) 굴착공 내에서 굴착 비트를 인출하는 굴착 비트 인출장치
WO2020034354A1 (zh) 割芯装置
CN213710964U (zh) 一种工程钻探的标准锤击装置
CN206681728U (zh) 一种冲击伸缩式取样钻具
CN209722928U (zh) 一种端部卡片式的软弱土取样钻具
CN210375762U (zh) 一种煤炭地质钻探取样装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18741518

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 26.11.2019)