CN106246160B - A kind of accurate pipe-following drilling control method of Composite rockmass - Google Patents

A kind of accurate pipe-following drilling control method of Composite rockmass Download PDF

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Publication number
CN106246160B
CN106246160B CN201610648801.8A CN201610648801A CN106246160B CN 106246160 B CN106246160 B CN 106246160B CN 201610648801 A CN201610648801 A CN 201610648801A CN 106246160 B CN106246160 B CN 106246160B
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drilling
pipe
drilled
common
hole hammer
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CN106246160A (en
Inventor
于世波
曹辉
解联库
胡建军
原野
秦秀山
王贺
郑磊
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Beijing General Research Institute of Mining and Metallurgy
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Beijing General Research Institute of Mining and Metallurgy
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02Automatic control of the tool feed

Abstract

The invention discloses a kind of accurate pipe-following drilling control methods of Composite rockmass, comprising: drilling machine and bottom plate geologic body are fixedly positioning by the accurate setting-out of drilling machine and use U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae);Using than fragmented rock body is drilled through to loose media interface with the pipe outside diameter 3~5mm big common down-hole hammer drilling tool being advisable;Three drilling rod eyelets of 120 ° of distributions are drilled with into first drilling rod leading portion with common down-hole hammer drilling tool junction, change flow regime distinguished and admirable near common down-hole hammer drilling tool;To loose media progress slip casting with pipe, pipe shaft eyelet number on spacing and the pipe shaft section with being drilled with pipe shaft eyelet on pipe should be limited.The control method can be realized the accurate pipe-following drilling in Composite rockmass, guarantee the efficiency and precision of pipe-following drilling, reduces the disconnected pipe accident rate in Composite rockmass, effectively avoids the lock of tool drilling in different quality rock mass interface.

Description

A kind of accurate pipe-following drilling control method of Composite rockmass
Technical field
The invention belongs to geotechnical engineering and mining engineering field, it is related to a kind of rock mass drilling control method more particularly to one The accurate pipe-following drilling control method of kind Composite rockmass.
Background technique
In geotechnical engineering and mining engineering field, by the restriction of formation condition, in soft rock and loose media stratum, with pipe Drilling technology is a kind of leading technology for realizing complicated broken formation fast drilling construction, and pipe-following drilling process is substantially at present It is directly crept into loose media from loose media to hard rock or only, and not high to drilling construction required precision, is substantially not in card Brill accident, it is also of less demanding to Drilling Precision.For from hard rock → loose media → hard rock or more complicated a variety of rock-mass qualities Alternately the Composite rockmass of variation, current pipe-following drilling technique are being easy to bit freezing thing occur to loose media boundary position by hard rock Therefore lock of tool drilling rate reaches 90% or more;Meanwhile by hard rock to loose media boundary position, since hard rock is closely knit with loose media The influence of degree and intensity, is easy to wide-angle sinking deflection occur with pipe, cause maximum probability with pipe it is disconnected run affairs therefore, especially for Pipe shaft arrangement injected hole breaks that pipe rate is high, and the precise degrees of pipe-following drilling cannot be guaranteed with pipe.
Summary of the invention
Based on the above existing technology problems, the present invention provides a kind of accurate pipe-following drilling controlling party of Composite rockmass Method, this method, which is able to solve, realizes accurate pipe-following drilling problem in a variety of rock-mass qualities alternately Composite rockmass of variation.
In order to solve the above technical problems, the present invention provides a kind of accurate pipe-following drilling control method of Composite rockmass, comprising:
It carries out the accurate setting-out of drilling machine and drilling machine is fixedly positioning;
Fragmented rock body is drilled through to loose media interface using outer diameter and with pipe matched common down-hole hammer drilling tool;
Drilling rod eyelet is drilled in first drilling rod front end with common down-hole hammer drilling tool junction;
Being used for pipe to loose media for pipe shaft eyelet number in the spacing and pipe shaft section of pipe shaft eyelet is drilled with using limitation Carry out slip casting.
The invention has the benefit that pass through the accurate setting-out of drilling machine and fixedly positioning, the common down-the-hole hammer drill of given diameter Tool drills through fragmented rock body to loose media interface, and bores with first drilling rod front end of common down-hole hammer drilling tool junction If drilling rod eyelet, and using specifically slip casting is carried out to loose media with pipe, it can be realized the pipe-following drilling in Composite rockmass, guarantee The efficiency and precision of pipe-following drilling reduce the disconnected pipe accident rate in Composite rockmass, effectively avoid different quality rock mass interface In lock of tool drilling.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the accurate pipe-following drilling control method schematic diagram of Composite rockmass provided in an embodiment of the present invention;
Fig. 2 is the accurate pipe-following drilling control method drilling rod schematic diagram of Composite rockmass provided in an embodiment of the present invention;
Fig. 3 is cross-sectional view at the I-I in Fig. 2;
Fig. 4 is that pipe shaft eyelet is arranged in the accurate pipe-following drilling control method drilling rod of Composite rockmass provided in an embodiment of the present invention Schematic diagram;
Fig. 5 (a) to (c) be respectively in Fig. 4 at II-II, at III-III with IV-IV at cross-sectional view.
The corresponding title of each label in figure are as follows: 1- is with pipe;2- drilling rod;3- borer rail;4- scaffolding steel pipe;5- scaffold Fastener;6-U shape Pseudobulbus Bletillae (Rhizoma Bletillae);7- bottom plate dross;8- fragmented rock body;9- fragmented rock body and loose media interface;10- loose media;11- Loose media and opposite side hard rock interface;The opposite side 12- hard rock;The common down-hole hammer drilling tool of 13-;14- drilling rod eyelet;15- pipe shaft eyelet.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
The embodiment of the present invention provides a kind of accurate pipe-following drilling control method of Composite rockmass, referring to Fig. 1, including following step It is rapid:
It carries out the accurate setting-out of drilling machine and drilling machine is fixedly positioning;
Fragmented rock body is drilled through to loose media interface using outer diameter and with pipe matched common down-hole hammer drilling tool;
Drilling rod eyelet is drilled in first drilling rod front end with common down-hole hammer drilling tool junction;
Slip casting, the spacing and pipe shaft section for being drilled with pipe shaft eyelet using limitation with pipe are carried out to loose media with pipe with described Pipe shaft eyelet number with pipe on face.
In above-mentioned drilling control method, carries out the accurate setting-out of drilling machine and drilling machine is fixedly positioning, comprising:
Drilling point, control line and the setting-out of jumbolter orientation are carried out using total station, on two side rails of drilling machine respectively It chooses two and checks point, the distance that point arrives two sides control line is checked using weight line and steel tape measurement two, carries out drilling machine orientation school Core;
The setting-out of borer rail tilt angle is carried out using circumferentor;
Seat in the plane to be drilled is set ajust after, drilling machine bottom is securely connect with scaffolding steel pipe by scaffold clasp, using U-shaped Scaffolding steel pipe is securely connect by Pseudobulbus Bletillae (Rhizoma Bletillae) with bottom plate geologic body, by drilling machine, scaffold, geologic body be securely connected as one it is whole Body, the displacement around of limitation drilling machine, complete to drilling machine it is accurate, fixedly positioning.
In above-mentioned drilling control method, scaffolding steel pipe is securely connect using U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae) with bottom plate geologic body, is wrapped It includes:
U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae) is penetrated into floor rock dross face or less not less than 0.5m;
Then elder generation's prebored hole when installation is screwed in using the portable tightening machine of LR;
Scaffolding steel pipe is connect using bolt with U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae).
In above-mentioned drilling control method, using outer diameter with the matched common down-hole hammer drilling tool of pipe by fragmented rock body drill through to Loose media interface, comprising:
Using outer diameter than the common down-hole hammer drilling tool 3~5mm big with pipe outside diameter, the common down-the-hole is applied using jumbolter Hammer drill tool drills through fragmented rock body to loose media interface.
In above-mentioned drilling control method, drilling rod hole is drilled in first drilling rod front end with common down-hole hammer drilling tool junction Eye, comprising:
Three drilling rod eyelets of 120 ° of distributions are drilled with into first drilling rod leading portion with common down-hole hammer drilling tool junction, Make distinguished and admirable at common down-hole hammer drilling tool front end to be in Three-dimensional Flow state after three drilling rod eyelets.
In above-mentioned drilling control method, pipe shaft eyelet in the spacing and pipe shaft section of pipe shaft eyelet is drilled with using limitation with pipe Number with pipe are as follows:
Spacing with being drilled with pipe shaft eyelet on pipe is drilled on eyelet section not less than 30cm and is drilled with a pipe shaft eyelet.
Specifically, drilling control method of the invention is specific as follows:
(1) drilling point and the setting-out of drilling machine orientation are carried out using total station, drilling machine side is carried out using weight line and steel tape Position is checked, and carries out the setting-out of borer rail tilt angle using circumferentor.Seat in the plane to be drilled is set ajust after, pass through scaffold clasp will Drilling machine is securely connect with scaffolding steel pipe, is securely connect scaffolding steel pipe with bottom plate hard rock geologic body using U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae), most Eventually realize drilling machine it is accurate, fixedly positioning.
(2) fragmented rock body is drilled through to loose media using the common down-hole hammer drilling tool of reasonable outer diameter using jumbolter and is had a common boundary Face, in order to control the subsequent degree of skewness with pipe to avoid the disconnected event of running affairs of maximum probability, common down-hole hammer drilling tool outer diameter ratio is with pipe outside diameter Big 3~5mm is advisable.
(3) in order to avoid the lock of tool drilling of the high accident rate at hard rock and loose media interface, must with common down-hole hammer First drilling rod leading portion of drilling tool junction is drilled with into three drilling rod eyelets of 120 ° of distributions, realizes near common down-hole hammer drilling tool The distinguished and admirable One-Dimensional flows state from before not being drilled with originally becomes being drilled with the Three-dimensional Flow state after eyelet, blows the friendship of hard rock loose media Interface rock powder, loose media are sufficiently blown outside place hole, so that construction personnel identifies whether drilling process reaches interface location.
(4) casing drilling tool is being used instead from drilling process, must bore in order to prevent with pipe to loose media progress slip casting with pipe It is limited while the above control with being drilled with pipe shaft hole on pipe into from frequent disconnected run affairs event of the hard rock to from loose media interface The spacing of eye is not less than 30cm, is drilled on eyelet section only limit and is drilled with 1 pipe shaft eyelet.
Control method of the invention is described further combined with specific embodiments below.
(1) embodiment schematic diagram of the present invention is as shown in Figure 1.The Composite rockmass of pipe-following drilling described in the present embodiment Successively it is made of fragmented rock body → loose media → opposite side hard rock rock mass.
(2) in order to guarantee pipe-following drilling precision, drilling point, control line and jumbolter orientation are carried out using total station 2 check points are chosen in setting-out respectively on two side rails of drilling machine, check point using weight line and steel tape measurement two and control to two sides The distance of line processed is completed drilling machine orientation and is checked;The setting-out of borer rail tilt angle is carried out using circumferentor.
(3) seat in the plane to be drilled is set ajust after, drilling machine is securely connected drilling machine bottom with scaffolding steel pipe by scaffold clasp It connects, scaffolding steel pipe is securely connect with bottom plate geologic body using U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae), drilling machine, scaffold, geologic body are securely connected For an entirety, limit the displacement of drilling machine around, it is final realize drilling machine it is accurate, fixedly positioning.
(4) U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae) is installed in floor rock, it is necessary to be penetrated into dross face or less not less than 0.5m.It is first when installation Then first prebored hole is easily screwed in using the portable tightening machine of LR.
(5) drilling in fragmented rock body stage is carried out using the common down-hole hammer drilling tool of Φ 130.Drilling is to fragmented rock body and loosely It is entire drilling key and difficult point when body interface.It must be drilled in first drilling rod leading portion with common down-hole hammer drilling tool junction At 120 ° be distributed three drilling rod eyelets (referring to fig. 2,3), realize near common down-hole hammer drilling tool it is distinguished and admirable by not being drilled with originally before One-Dimensional flows state become being drilled with the Three-dimensional Flow state after eyelet, blow rock powder, loose media at hard rock loose media interface It is sufficiently blown outside place hole, so that construction personnel identifies whether drilling process reaches interface location.
(6) after the common down-hole hammer drilling tool of Φ 130 to be employed is penetrated into fragmented rock body and loose media interface, Φ 130 is exited Common down-hole hammer drilling tool uses the drilling in 127 casing drilling tool of Φ progress loose media instead.When drilling to loose media and opposite side hard rock are handed over When interface, if it is determined that it is inaccurate, it be easy to cause and falls off with pipe fracture, shoe, is former with running affairs with pipe tripping etc..Loose media and opposite side Hard rock interface needs to carry out comprehensive descision from following two points: 1. pipe-following drilling speed is obviously slack-off;2. it is bright that aperture sprays dust It is aobvious to become larger.
(7) using casing drilling tool instead from drilling process, for must to loose media carry out slip casting with pipe, in order to prevent with Pipe drilling limits while the above control with being drilled with pipe on pipe from frequent disconnected event of running affairs of the hard rock to from loose media interface The spacing of body eyelet is not less than 30cm (referring to fig. 4, Fig. 5 (a)-(c)), and pipe shaft eyelet uses quincuncial arrangement, is drilled with eyelet Only limit is drilled with 1 pipe shaft eyelet on section.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art, It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims Subject to enclosing.

Claims (2)

1. a kind of accurate pipe-following drilling control method of Composite rockmass, which comprises the following steps:
It carries out the accurate setting-out of drilling machine and drilling machine is fixedly positioning;It include: that drilling point, control line and anchor pole are carried out using total station 2 check points are chosen in the setting-out of drilling machine orientation respectively on two side rails of drilling machine, check point using weight line and steel tape measurement two To the distance of two sides control line, the check of drilling machine orientation is carried out;The setting-out of borer rail tilt angle is carried out using circumferentor;
Seat in the plane to be drilled is set ajust after, drilling machine bottom is securely connect with scaffolding steel pipe by scaffold clasp, using U-shaped spiral shell Scaffolding steel pipe is securely connect by silk with bottom plate geologic body, and drilling machine, scaffold, geologic body are securely connected as an entirety, is limited The displacement of drilling machine processed around, complete to drilling machine it is accurate, fixedly positioning;It is described using U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae) by scaffolding steel pipe with Bottom plate geologic body securely connects, comprising: U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae) is penetrated into floor rock dross face or less not less than 0.5m;It is first when installation Then prebored hole is screwed in using the portable tightening machine of LR;Scaffolding steel pipe is connect using bolt with U-shaped Pseudobulbus Bletillae (Rhizoma Bletillae);
Fragmented rock body is drilled through to loose media interface using outer diameter and with pipe matched common down-hole hammer drilling tool;
Be drilled with drilling rod eyelet in first drilling rod front end with common down-hole hammer drilling tool junction, comprising: with common down-hole hammer First drilling rod leading portion of drilling tool junction is drilled with into three drilling rod eyelets of 120 ° of distributions, makes at common down-hole hammer drilling tool front end Distinguished and admirable is in Three-dimensional Flow state after three drilling rod eyelets;
Pipe shaft eyelet number in the spacing and pipe shaft section of pipe shaft eyelet is drilled with using limitation with pipe to be used to carry out loose media Slip casting, specifically: the spacing with being drilled with pipe shaft eyelet on pipe is drilled on eyelet section not less than 30cm and is drilled with a pipe shaft hole Eye.
2. the accurate pipe-following drilling control method of a kind of Composite rockmass according to claim 1, which is characterized in that the use Outer diameter and fragmented rock body is drilled through to loose media interface with pipe matched common down-hole hammer drilling tool, comprising:
Using outer diameter than the common down-hole hammer drilling tool 3~5mm big with pipe outside diameter, the common down-the-hole hammer drill is applied using jumbolter Tool drills through fragmented rock body to loose media interface.
CN201610648801.8A 2016-08-09 2016-08-09 A kind of accurate pipe-following drilling control method of Composite rockmass Active CN106246160B (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1401125A1 (en) * 1985-12-17 1988-06-07 Свердловский горный институт им.В.В.Вахрушева Apparatus for drilling wells
CN201960173U (en) * 2011-01-27 2011-09-07 河南中汇汽车零部件有限公司 Novel deep hole drill
CN102174894A (en) * 2011-03-15 2011-09-07 中铁十二局集团第一工程有限公司 Follow-up pipe shed construction method
CN102561946A (en) * 2012-02-01 2012-07-11 山河智能装备股份有限公司 Drilling rig with following pipe pile and construction method for following pipe pile
CN202718640U (en) * 2012-06-18 2013-02-06 濉溪县博文机械制造有限责任公司 Spiral drill rod
CN203701111U (en) * 2014-01-21 2014-07-09 成永刚 Grouting type anchor cable antiskid continuous wall
CN204283211U (en) * 2014-11-29 2015-04-22 中铁十九局集团有限公司 Plenty water weak surrounding rock tunnel advanced support pipe canopy pore-forming system smashed to pieces
CN104746517A (en) * 2015-04-03 2015-07-01 中建三局集团有限公司 Anchor rod retaining and protecting system with overall length below pressure-bearing water head
CN205154174U (en) * 2015-11-21 2016-04-13 中铁二十局集团第二工程有限公司 Weak surrounding rock tunnel pipe -shed advance support construction structures
CN205171512U (en) * 2015-12-01 2016-04-20 武大巨成结构股份有限公司 Down --hole strikes and expands anchor head at end
CN105673055A (en) * 2016-01-28 2016-06-15 山东科技大学 Novel composite grouting anchor rod suitable for roadway floor

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1401125A1 (en) * 1985-12-17 1988-06-07 Свердловский горный институт им.В.В.Вахрушева Apparatus for drilling wells
CN201960173U (en) * 2011-01-27 2011-09-07 河南中汇汽车零部件有限公司 Novel deep hole drill
CN102174894A (en) * 2011-03-15 2011-09-07 中铁十二局集团第一工程有限公司 Follow-up pipe shed construction method
CN102561946A (en) * 2012-02-01 2012-07-11 山河智能装备股份有限公司 Drilling rig with following pipe pile and construction method for following pipe pile
CN202718640U (en) * 2012-06-18 2013-02-06 濉溪县博文机械制造有限责任公司 Spiral drill rod
CN203701111U (en) * 2014-01-21 2014-07-09 成永刚 Grouting type anchor cable antiskid continuous wall
CN204283211U (en) * 2014-11-29 2015-04-22 中铁十九局集团有限公司 Plenty water weak surrounding rock tunnel advanced support pipe canopy pore-forming system smashed to pieces
CN104746517A (en) * 2015-04-03 2015-07-01 中建三局集团有限公司 Anchor rod retaining and protecting system with overall length below pressure-bearing water head
CN205154174U (en) * 2015-11-21 2016-04-13 中铁二十局集团第二工程有限公司 Weak surrounding rock tunnel pipe -shed advance support construction structures
CN205171512U (en) * 2015-12-01 2016-04-20 武大巨成结构股份有限公司 Down --hole strikes and expands anchor head at end
CN105673055A (en) * 2016-01-28 2016-06-15 山东科技大学 Novel composite grouting anchor rod suitable for roadway floor

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