CN113090187A - Pipeline traction construction method - Google Patents
Pipeline traction construction method Download PDFInfo
- Publication number
- CN113090187A CN113090187A CN202110337623.8A CN202110337623A CN113090187A CN 113090187 A CN113090187 A CN 113090187A CN 202110337623 A CN202110337623 A CN 202110337623A CN 113090187 A CN113090187 A CN 113090187A
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- China
- Prior art keywords
- pipeline
- guide
- drilling
- reaming
- drill bit
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- Legal status (The legal status 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 status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention provides a pipeline traction construction method, which comprises the following steps: s1, construction preparation; s2, forming guide holes, wherein the guide holes are formed according to a pre-designed track by adopting a drilling machine and matching with a guide instrument; s3, reaming step by step; s4, dragging the buried pipe, connecting the pipes into a pipeline with the length matched with that of the drilled hole, sealing two ends of the pipeline, connecting one end of the pipeline with a drill bit, and dragging the pipeline into the formed drilled hole through the drill bit; s5, performing a water closing test, namely flushing and pressurizing the interior of the pipeline, and performing appearance inspection on the pipeline; in the construction method, the drill bit with the gradually increased diameter is adopted to continuously enlarge the inner diameter of the drilled hole, so that the impact force applied to the drill bit in the drilling process can be reduced, the service life of the drill bit is prolonged, and the drilling success rate and the smoothness inside the drilled hole are ensured.
Description
Technical Field
The invention belongs to the technical field of construction methods, and particularly relates to a pipeline traction construction method.
Background
The pipeline traction construction belongs to one aspect of the non-excavation technology, and the non-excavation technology refers to a new construction technology for laying, replacing and repairing various underground pipelines under the condition of small-area excavation of the earth surface (generally referred to small-area excavation of an inlet and an outlet) through means of guiding, directional drilling and the like, and has small interference on the earth surface, so that the novel construction technology has higher social and economic effects. Mainly comprises technical methods of horizontal directional drilling, pipe jacking, micro tunnels, pipe bursting, impact and the like. The technology is originated in the 70 th of the 20 th century and introduced into China in the 90 th, and is widely applied to new pipeline construction and old pipeline repair in the fields of water supply, water drainage, electric power, communication, gas and the like, and can also be applied to the aspects of protection of cultural relics, ancient buildings and the like.
In the prior art, a Chinese patent with application number of CN201310535901.6 discloses a trenchless construction method of an ultra-large-diameter PE drain pipe. The technical problem that the existing ultra-large-diameter PE pipe is difficult to arrange is solved. The method comprises the following steps: A. drilling; B. equipment installation; C. arranging pipes for the first time; D. continuing pipe distribution; E. and finishing pipe distribution. The trenchless construction method of the ultra-large-diameter PE drain pipe has the advantages that: the construction is simple, and the difficulty degree is little in the pull of super large bore PE pipe body, and the construction hole of excavation is little, is difficult for the slippage during dragging, and the difficult fracture of body during dragging, the difficult fish tail of body, body seal nature are strong, need not to rinse the body is inside, and the body butt joint is firm.
However, in the prior art, the drill holes are formed by drilling once, the construction difficulty is high, the inner parts of the drill holes are not protected in the drilling process, the drill holes are easy to collapse, and the construction difficulty is further increased. Therefore, a pipeline traction construction method which reduces the drilling difficulty and improves the drilling success rate and the internal smoothness of the drilled hole is needed to be designed to solve the technical problems at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the pipeline traction construction method which can reduce the drilling difficulty and improve the drilling success rate and the internal smoothness of the drilled hole.
The technical scheme of the invention is as follows: the pipeline traction construction method comprises the following steps:
s1, construction preparation;
s2, forming guide holes, wherein the guide holes are formed according to a pre-designed track by adopting a drilling machine and matching with a guide instrument;
s3, reaming step by step, selecting drill bits with specification diameters 1.3-1.7 times of the inner diameter of the guide hole, completing reaming of one drilling along the guide hole, selecting drill bits with specification diameters increasing according to the multiple sequence of 1.3-1.7 respectively to complete reaming of the drilling until the drilled hole after reaming is matched with the outer diameter of the buried pipeline, and introducing additives into the drilling during reaming;
s4, dragging the buried pipe, connecting the pipes into a pipeline with the length matched with that of the drilled hole, sealing two ends of the pipeline, connecting one end of the pipeline with a drill bit, and dragging the pipeline into the formed drilled hole through the drill bit;
and S5, performing a water closing test, flushing and pressurizing the inside of the pipeline, and performing appearance inspection on the pipeline.
In the step S1, the underground pipeline condition in the construction range is investigated, measurement and lofting are carried out according to the construction drawing after the underground pipeline condition is clearly checked, the lengths of the pipes and the traction pipeline are determined according to the geological condition, the burial depth and the pipe diameter in the construction range, and the drill pipe track is designed.
In the step S2, the drilling machine is a mandril drilling machine, the detection rod is arranged in the guide head, the rear end of the guide head of the drilling machine is connected with the steel pipe, then the mandril drilling machine applies pressure to the steel pipe to push the guide head, and the guide head is driven into the ground; the guide instrument can receive the direction and depth information of the guide head at any time, and the pipe-jacking drilling machine can rotate the guide head in time according to the direction and depth information of the guide head.
In the step S3, the additive is bentonite slurry, and the bentonite slurry is injected into the borehole through the drill pipe.
In the step S5, the pressure in the pipeline is 0.8-1.0 Mpa, and the observation time is more than or equal to 30 min.
The invention has the beneficial effects that:
(1) in the construction method, the drill bit with gradually increased diameter is adopted to continuously enlarge the inner diameter of the drilled hole, so that the impact force applied to the drill bit in the drilling process can be reduced, the service life of the drill bit is prolonged, and the success rate of drilling and the smoothness of the inside of the drilled hole are ensured;
(2) in the reaming process, the additive is continuously introduced into the drill hole through the drill rod, the friction can be reduced through the additive, the rotation torque and the pull-back resistance are reduced, and the additive also has the effects of reinforcing the hole wall, preventing the drill hole from collapsing and cooling the drill bit.
Drawings
FIG. 1 is a flow chart of a pipeline traction construction method according to the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1, the pipeline traction construction method comprises the following steps: s1, construction preparation, namely, preparation before construction is finished, and the drilling track is determined; s2, forming guide holes, wherein the guide holes are formed according to a pre-designed track by adopting a drilling machine and matching with a guide instrument; s3, reaming step by step, selecting drill bits with specification diameters 1.3-1.7 times of the inner diameter of the guide hole, completing reaming of one drilling along the guide hole, selecting drill bits with specification diameters increasing according to the multiple sequence of 1.3-1.7 respectively to complete reaming of the drilling until the drilled hole after reaming is matched with the outer diameter of the buried pipeline, and introducing additives into the drilling during reaming; s4, dragging the buried pipe, connecting the pipes into a pipeline with the length matched with that of the drilled hole, sealing two ends of the pipeline, connecting one end of the pipeline with a drill bit, and dragging the pipeline into the formed drilled hole through the drill bit; s5, performing a water closing test, namely flushing and pressurizing the interior of the pipeline, and performing appearance inspection on the pipeline; in the embodiment, the drill bit with the gradually increased diameter is adopted to continuously enlarge the inner diameter of the drilled hole, so that the impact force applied to the drill bit in the drilling process can be reduced, the service life of the drill bit is prolonged, and the success rate of drilling and the smoothness of the inside of the drilled hole are ensured; in the reaming process, the additive is continuously introduced into the drill hole through the drill rod, the friction can be reduced through the additive, the rotation torque and the pull-back resistance are reduced, and the additive also has the effects of reinforcing the hole wall, preventing the drill hole from collapsing and cooling the drill bit.
In the above embodiment, in step S1, more specifically, the underground pipeline condition within the construction range is investigated, and after the underground pipeline condition is clearly checked, the measurement and lofting are performed according to the construction drawing, so that the existing pipeline on the site can be prevented from being damaged in the construction process, the lengths of the pipe and the towed pipe can be determined according to the geological condition, the burial depth and the pipe diameter of the construction range, and the drill pipe trajectory is designed.
In the above embodiment, in the step S2, more specifically, the drilling machine is a push rod drilling machine, the probe rod is loaded into the guide head, the rear end of the guide head of the drilling machine is connected to the steel pipe, and then the push rod drilling machine applies pressure to the steel pipe to push the guide head, so as to drive the guide head into the ground; the guide instrument can receive the direction and depth information of the guide head at any time, and the pipe-jacking drilling machine can rotate the guide head in time according to the direction and depth information of the guide head, so that the accuracy of drilling the guide hole by the drilling machine is improved.
In the above embodiment, in the step S3, specifically, the additive is bentonite slurry, the bentonite slurry is injected into the borehole through the drill rod, the bentonite slurry is continuously conveyed into the borehole from the drill rod in the process of reaming, the friction between the drill bit and the borehole can be reduced through the bentonite slurry, the rotation torque of the drill bit and the resistance to pull back are reduced, the hole wall of the borehole can be reinforced through the bentonite slurry, collapse of the borehole is prevented, and in addition, the heat of the drill bit can be continuously absorbed and transferred through the continuous flow of the bentonite slurry, so as to play a role in cooling the drill bit.
In the step S3, more specifically, during reaming, firstly, a drill bit with a specification diameter 1.3 to 1.7 times the inner diameter of the pilot hole is rotated, primary reaming is completed along the pilot hole, secondary reaming is not performed if the hole diameter of the drill hole after primary reaming meets the pipeline installation requirement, secondary reaming is performed if the pipeline installation requirement is not met, the drill bit with the specification diameter 1.3 to 1.7 times the inner diameter of the drill hole after primary reaming is selected for secondary reaming, secondary reaming is completed along the pilot hole, similarly, three times of reaming is not performed if the hole diameter of the drill hole after secondary reaming meets the pipeline installation requirement, and three times of reaming is performed if the hole diameter of the drill hole after secondary reaming does not meet the pipeline installation requirement, so that the diameter of the drill hole after reaming meets the pipeline installation requirement; wherein, 1.3 to 1.7 times can be selected in the multiple interval according to actual needs.
In the above embodiment, in the step S5, further, the pressure in the pipeline is 0.8 to 1.0Mpa, and the observation time is greater than or equal to 30min, where the normal working pressure of the pipeline is 0.3Mpa, and the experimental pressure is 0.8Mpa, 0.9Mpa or 1.0Mpa, specifically, in this embodiment, the experimental pressure is 0.9Mpa, and applying a pressure higher than the normal working pressure value to the inside of the pipeline can accelerate the leakage condition at the leakage position of the pipeline, so as to facilitate the operator to find the leakage in time, after the pipeline is pressurized for more than 30min, the pipeline interface, the pipe body and the well body are observed to be not leaked, and it can be considered that through the water shut-off test, when the test pressure reaches the specified pressure, the water leakage amount of the pipeline is observed until the observation is finished, water and pressure should be continuously supplied to the test pipeline section, so as to keep the pressure constant in the test pipeline, and the observation time of the water leakage amount should not be.
The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A pipeline traction construction method is characterized by comprising the following steps:
s1, construction preparation;
s2, forming guide holes, wherein the guide holes are formed according to a pre-designed track by adopting a drilling machine and matching with a guide instrument;
s3, reaming step by step, selecting drill bits with specification diameters 1.3-1.7 times of the inner diameter of the guide hole, completing reaming of one drilling along the guide hole, selecting drill bits with specification diameters increasing according to the multiple sequence of 1.3-1.7 respectively to complete reaming of the drilling until the drilled hole after reaming is matched with the outer diameter of the buried pipeline, and introducing additives into the drilling during reaming;
s4, dragging the buried pipe, connecting the pipes into a pipeline with the length matched with that of the drilled hole, sealing two ends of the pipeline, connecting one end of the pipeline with a drill bit, and dragging the pipeline into the formed drilled hole through the drill bit;
and S5, performing a water closing test, flushing and pressurizing the inside of the pipeline, and performing appearance inspection on the pipeline.
2. The pipeline hauling construction method as claimed in claim 1, wherein: in the step S1, the underground pipeline condition in the construction range is investigated, measurement and lofting are carried out according to the construction drawing after the underground pipeline condition is clearly checked, the lengths of the pipes and the traction pipeline are determined according to the geological condition, the burial depth and the pipe diameter in the construction range, and the drill pipe track is designed.
3. The pipeline hauling construction method as claimed in claim 1, wherein: in the step S2, the drilling machine is a mandril drilling machine, the detection rod is arranged in the guide head, the rear end of the guide head of the drilling machine is connected with the steel pipe, then the mandril drilling machine applies pressure to the steel pipe to push the guide head, and the guide head is driven into the ground; the guide instrument can receive the direction and depth information of the guide head at any time, and the pipe-jacking drilling machine can rotate the guide head in time according to the direction and depth information of the guide head.
4. The pipeline hauling construction method as claimed in claim 1, wherein: in the step S3, the additive is bentonite slurry, and the bentonite slurry is injected into the borehole through the drill pipe.
5. The pipeline hauling construction method as claimed in claim 1, wherein: in the step S5, the pressure in the pipeline is 0.8-1.0 Mpa, and the observation time is more than or equal to 30 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337623.8A CN113090187A (en) | 2021-03-30 | 2021-03-30 | Pipeline traction construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337623.8A CN113090187A (en) | 2021-03-30 | 2021-03-30 | Pipeline traction construction method |
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| Publication Number | Publication Date |
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| CN113090187A true CN113090187A (en) | 2021-07-09 |
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| CN202110337623.8A Pending CN113090187A (en) | 2021-03-30 | 2021-03-30 | Pipeline traction construction method |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040082937A (en) * | 2003-03-20 | 2004-09-30 | (주)동양엠티 | Method for Digging a Tunnel |
| CN101793125A (en) * | 2010-03-18 | 2010-08-04 | 中国石油化工集团公司 | Horizontal directional drilling pipeline rock strata crossing composite reaming construction method |
| CN102953683A (en) * | 2012-11-27 | 2013-03-06 | 福建省泷澄建设集团有限公司 | Pipe pulling construction method through horizontal directional drilling |
| CN104389520A (en) * | 2014-09-25 | 2015-03-04 | 西南石油大学 | Electric-driven directional crossing chambering method |
| CN105447239A (en) * | 2015-11-17 | 2016-03-30 | 西南石油大学 | Method for determining stage difference of horizontal directional reaming |
| CN105562765A (en) * | 2016-03-04 | 2016-05-11 | 山东太古飞机工程有限公司 | Fastener hole centering drilling device for seat guide rail in lower pound column area of passenger-to-cargo airplane |
| CN106870819A (en) * | 2017-03-24 | 2017-06-20 | 广州市恒盛建设工程有限公司 | A kind of high density polyethylene (HDPE) non-pressure pipe horizontal directional drilling construction method |
| CN109027420A (en) * | 2018-09-07 | 2018-12-18 | 中水电第十工程局（郑州）有限公司 | A kind of municipal pipeline no-dig technique Directional Drilling construction method |
| CN110566120A (en) * | 2019-09-11 | 2019-12-13 | 中煤科工集团西安研究院有限公司 | Multi-power directional combined drilling tool for hard rock of coal mine underground coal seam bottom plate and hole forming method thereof |
| CN110778323A (en) * | 2019-09-05 | 2020-02-11 | 青岛安装建设股份有限公司 | Construction method for pulling and passing buried pipeline |
| CN110924864A (en) * | 2019-12-09 | 2020-03-27 | 浙江中水工程技术有限公司 | Directional drilling traction construction method for offshore water delivery pipeline |
| CN112252973A (en) * | 2020-10-10 | 2021-01-22 | 广东省构建工程建设有限公司 | Non-excavation directional drilling construction method for pipeline buried channel |
-
2021
- 2021-03-30 CN CN202110337623.8A patent/CN113090187A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040082937A (en) * | 2003-03-20 | 2004-09-30 | (주)동양엠티 | Method for Digging a Tunnel |
| CN101793125A (en) * | 2010-03-18 | 2010-08-04 | 中国石油化工集团公司 | Horizontal directional drilling pipeline rock strata crossing composite reaming construction method |
| CN102953683A (en) * | 2012-11-27 | 2013-03-06 | 福建省泷澄建设集团有限公司 | Pipe pulling construction method through horizontal directional drilling |
| CN104389520A (en) * | 2014-09-25 | 2015-03-04 | 西南石油大学 | Electric-driven directional crossing chambering method |
| CN105447239A (en) * | 2015-11-17 | 2016-03-30 | 西南石油大学 | Method for determining stage difference of horizontal directional reaming |
| CN105562765A (en) * | 2016-03-04 | 2016-05-11 | 山东太古飞机工程有限公司 | Fastener hole centering drilling device for seat guide rail in lower pound column area of passenger-to-cargo airplane |
| CN106870819A (en) * | 2017-03-24 | 2017-06-20 | 广州市恒盛建设工程有限公司 | A kind of high density polyethylene (HDPE) non-pressure pipe horizontal directional drilling construction method |
| CN109027420A (en) * | 2018-09-07 | 2018-12-18 | 中水电第十工程局（郑州）有限公司 | A kind of municipal pipeline no-dig technique Directional Drilling construction method |
| CN110778323A (en) * | 2019-09-05 | 2020-02-11 | 青岛安装建设股份有限公司 | Construction method for pulling and passing buried pipeline |
| CN110566120A (en) * | 2019-09-11 | 2019-12-13 | 中煤科工集团西安研究院有限公司 | Multi-power directional combined drilling tool for hard rock of coal mine underground coal seam bottom plate and hole forming method thereof |
| CN110924864A (en) * | 2019-12-09 | 2020-03-27 | 浙江中水工程技术有限公司 | Directional drilling traction construction method for offshore water delivery pipeline |
| CN112252973A (en) * | 2020-10-10 | 2021-01-22 | 广东省构建工程建设有限公司 | Non-excavation directional drilling construction method for pipeline buried channel |
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