CN105675714A - Drill stem damage detecting device - Google Patents
Drill stem damage detecting device Download PDFInfo
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- CN105675714A CN105675714A CN201610228758.XA CN201610228758A CN105675714A CN 105675714 A CN105675714 A CN 105675714A CN 201610228758 A CN201610228758 A CN 201610228758A CN 105675714 A CN105675714 A CN 105675714A
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- slide block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/85—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields using magnetographic methods
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention relates to a drill stem damage detecting device, and belongs to the technical field of drill stem damage detecting instruments.The device comprises a movable base, a detecting piece, a drive motor A, a drive motor B, a transmission lead screw and an openable ring which is formed by embedding a semi-openable ring A and a semi-openable ring B.The movable base is arranged on one side of the openable ring and provided with a slide block A and a slide block B through slide rails.The slide block A is connected with the semi-openable ring A through a connecting piece.The slide block B is connected with the semi-openable ring B through a connecting piece.The device is installed on a well mouth when working, damage detection is conducted on a drill stem without influencing the drill lift-up and put-down speed when the drill is lifted up and put down in site construction, the process of conveying the drill stem to a detection station is omitted, and work efficiency is improved.The device has great engineering and actual application significance in preventing the major safety accidents caused by drill stem failures in the drilling process.
Description
Technical field
The present invention relates to a kind of drilling rod damage detection apparatus, belong to drilling rod damage check apparatus technical field.
Background technology
In drillng operation drilling rod can be stretched, intrinsic pressure, bending and the different active force such as torsion. Under these active forces, the body of drilling rod usually can be made to produce the situation of fatigue statistic, concentrated wear and corrosion. Appoint the development of these problems to go down as do not found in time, the accident such as Drill Pipe Washout, fracture can be caused, once drilling rod failure accidents will result directly in drilling period and extends, cost of investment increases, cause huge economic loss, even also can cause personnel casualty accidents, cause extremely severe social influence. Particularly recently as the increasing of the development of drilling technology and petroleum exploration and development dynamics, the probing amount of the various Holes of Complicated Wells such as deep-well, ultradeep well, extended reach well rises year by year, and drilling rod failure accidents is more prominent.
In order to improve production safety efficiency, it is necessary to do to the degree of impairment of drilling tool and life expectancy and conscientiously detects. But conventionally used lossless detection method, as the traditional detection methods such as ultrasonic method, eddy-current method, magnetic particle method, osmosis, electromagnetic method and ray method exist many deficiencies:
(1) existing damage and defect in drilling tool can only be found, use repeatedly going into the well but not produce the life expectancy of drilling tool of damage unpredictable.
(2) need surface of drill stem to be cleared up or processes.
(3) by the restriction of the factor such as drilling tool structure, proficiency, testing result poor accuracy. Such as the drilling tool thread interference to sound wave.
(4) detection efficiency is low, and labor intensity is big, can not drilling tool be generally investigated.
(5) can not detect in drilling tool work process, be not suitable with Site Detection.
Summary of the invention
It is an object of the invention to: provide a kind of energy can the common deficiencies such as the gross imperfection of drilling rod, corrosion and wall thickness abrasion be judged accurately, the microdefect of drilling rod can be detected again, thus the drilling rod damage detection apparatus that drilling rod is used safely can be ensured.
The technical scheme is that
A kind of drilling rod damage detection apparatus, including Mobile base, detection piece, drive motor A, drive motor B, the folding ring of drive lead screw and half-open cyclization A and half-open cyclization B chimeric composition mutually, it is characterized in that: the side of folding ring is provided with Mobile base, Mobile base is provided with slide block A and slide block B by slide rail, slide block A is connected with half-open cyclization A by connector, slide block B is connected with half-open cyclization B by connector, the Mobile base at slide block A and slide block B two ends is symmetrically installed with drive motor A and drive motor B, drive motor A is connected with slide block A by drive lead screw, drive motor B is connected with slide block B by drive lead screw, the circumference of folding ring is evenly equipped with multiple mounting groove, it is separately installed with detection piece in each mounting groove, the half-open cyclization A and half-open cyclization B of described folding ring is provided with fixing plate respectively through trip bolt.
Described detection piece is made up of pedestal, enclosing cover, radial floating block, contiguous block and detection plate, pedestal is provided with radial floating block by big spring and enclosing cover, radial floating block is provided with detection plate by little spring and contiguous block, the termination of contiguous block is movably installed with roller, described detection plate is crescent shape, and the front end lateral symmetry of detection plate is provided with Magnetic Memory sensor.
Described detection piece quantity is 6, is wherein respectively provided with displacement transducer on the detection plate of 2 detection pieces, with detection piece symmetrically shape setting on folding ring of displacement transducer.
The invention have the advantages that
1, the present invention is installed on well head when working, and at the scene in construction trip-out going down process, drilling rod is carried out damage check, does not affect the speed that makes a trip, save the process that drilling rod is transported to measuring station, improve work efficiency.
2, the present invention adopts Magnetic memory testing, it is not necessary to special magnetizing assembly, it is simple to on-the-spot application. And the fatigue damage of drilling rod and microdefect can be detected by Magnetic Memory sensor, the early stage for drilling tool diagnoses and grading provides foundation.
3, the present invention controls the opening and closing of two folding semi-rings by guide rail and slide block, and simple in construction is easy to operate, and does not interfere with drilling tool in motor process.
4, the detection piece of the present invention is arranged on pedestal folding ring by pedestal, if detection part damages, only need to unload next half-open cyclization, whole detection piece can be extracted the new detection part of replacement from mounting groove, whole process is easy quickly, it is ensured that field operation efficiency.
5, the detection piece of the present invention comprises two springs, make detection probe and radial floating block all can move radially within the specific limits, it is achieved two-stage reducing detects. Ensure that detecting device deforms position at tool joint position and the body of rod and will not be hampered, so make drilling rod all the time with the roller contact of detection piece, it is ensured that sensor is constant with the lift-off value of drilling tool, makes testing result more accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation after the folding ring of the present invention removes fixing plate;
Fig. 3 is the structural representation of the detection piece of the present invention;
Fig. 4 is the sectional structure schematic diagram of the detection piece of the present invention.
In figure: 1, Mobile base, 2, drive motor A, 3, drive motor B, 4, drive lead screw, 5, half-open cyclization A, 6, half-open cyclization B, 7, slide block A, 8, slide block B, 9, connector, 10, mounting groove, 11, pedestal, 12, enclosing cover, 13, radial floating block, 14, contiguous block, 15, detection plate, 16, big spring, 17, little spring, 18, roller, 19, Magnetic Memory sensor, 20, fixing plate.
Detailed description of the invention
This drilling rod damage detection apparatus includes the folding ring of Mobile base 1, detection piece, drive motor A2, drive motor B3, drive lead screw 4 and half-open cyclization A5 and half-open cyclization B6 chimeric composition mutually. The side of folding ring is provided with Mobile base 1, and Mobile base 2 is provided with slide block A7 and slide block B 8 by slide rail, and slide block A7 is connected with half-open cyclization A5 by connector 9, and slide block 8B is connected with half-open cyclization B6 by connector 9. The Mobile base 1 at slide block A7 and slide block 8B two ends is symmetrically installed with drive motor A2 and drive motor B3, drive motor A2 is connected with slide block A7 by drive lead screw 4, drive motor B3 is connected with slide block 8B by drive lead screw 4, thus half-open cyclization A5 and half-open cyclization B6 can be driven radially to realize closure or openness.
Being evenly equipped with multiple mounting groove 10 on the circumference of folding ring, mounting groove 10 cross section is T-shaped, is movably installed with detection piece respectively in each mounting groove 10. Detection piece is made up of pedestal 11, enclosing cover 12, radial floating block 13, contiguous block 14 and detection plate 15, pedestal 11 shape is corresponding with mounting groove 10, pedestal 11 is provided with radial floating block 13 by big spring 16 and enclosing cover 12, being provided with detection plate 15 by little spring 17 and contiguous block 14 on radial floating block 13, the termination of contiguous block 14 is movably installed with roller 18. Detection plate 15 is in crescent shape, and the front end lateral symmetry of detection plate 15 is provided with Magnetic Memory sensor 19.
The detection piece quantity of this drilling rod damage detection apparatus is 6, is wherein respectively provided with displacement transducer (not shown) on the detection plate 15 of 2 detection pieces, to guarantee that drilling tool circumference is without check frequency; Detection piece symmetrically shape setting on folding ring with displacement transducer. Contiguous block 14 and radial floating block 13 in detection piece all can move radially within the specific limits, realize the detection of two-stage reducing, deform position at tool joint position and the body of rod during to guarantee to detect will not be hampered, and remain that sensor and drilling tool lift-off value are constant, make testing result more accurate. Half-open cyclization A5 and half-open cyclization B6 is provided with the fixing plate 20 of semicircle arcuation respectively through trip bolt, thus being fixed in each mounting groove 10 of folding ring by each detection piece.
It is installed on well head during the work of this drilling rod damage detection apparatus, and makes folding ring coaxial with well head. at the scene in construction trip-out going down process, two slide blocks are driven to move by drive lead screw 4 under drive motor A2 and drive motor B3 effect, half-open cyclization A5 and half-open cyclization B6 is made to open, under enter drilling rod after by drive motor A2 and drive motor B3 make half-open cyclization A5 and half-open cyclization B6 Guan Bi, and thus drilling rod is formed clamping, drilling rod can be carried out damage check. in detection process, the big spring 16 of detection piece and little spring 17 pressurized, contiguous block 14 and radial floating block 13 is made to move radially little fragment position, under the effect of two springs, roller 18 keeps in touch with drilling rod all the time, carrying out along with field operation, drilling rod is constantly drilled down into, Magnetic Memory sensor 19 and displacement transducer can draw the area of stress concentration of drilling rod after drilling rod damage is carried out data collection and analysis, tiny flaw district and fatigue damage degree, it is achieved thereby that the early prediction of drilling rod damage and diagnostic purpose, to avoiding the serious accident that in drilling process, drilling rod inefficacy causes, there is bigger engineering and practical application meaning.
Claims (1)
1. a drilling rod damage detection apparatus, including Mobile base (1), detection piece, drive motor A(2), drive motor B(3), drive lead screw (4) and half-open cyclization A(5) with half-open cyclization B(6) the folding ring of mutual chimeric composition, it is characterized in that: the side of folding ring is provided with Mobile base (1), Mobile base is provided with slide block A(7 by slide rail on (1)) and slide block B (8), slide block A(7) by connector (9) and half-open cyclization A(5) be connected, slide block B (8) is by connector (9) and half-open cyclization B(6) it is connected, slide block A(7) and the Mobile base (1) at slide block B (8) two ends on be symmetrically installed with drive motor A(2) and drive motor B(3), drive motor A(2) by drive lead screw (4) and slide block A(7) be connected, drive motor B(3) it is connected with slide block B (8) by drive lead screw (4), the circumference of folding ring is evenly equipped with multiple mounting groove (10), each mounting groove is separately installed with detection piece in (10), the half-open cyclization A(5 of described folding ring) and half-open cyclization B(6) on respectively through trip bolt, fixing plate (20) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228758.XA CN105675714A (en) | 2016-04-14 | 2016-04-14 | Drill stem damage detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228758.XA CN105675714A (en) | 2016-04-14 | 2016-04-14 | Drill stem damage detecting device |
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| CN105675714A true CN105675714A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610228758.XA Pending CN105675714A (en) | 2016-04-14 | 2016-04-14 | Drill stem damage detecting device |
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| CN (1) | CN105675714A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526097A (en) * | 2017-01-12 | 2017-03-22 | 长江大学 | Automatic open-close type drill rod damage detection device |
| CN106769396A (en) * | 2017-02-08 | 2017-05-31 | 中国地质大学（武汉） | A kind of horizontal directional drill drilling rod fatigue damage detecting system |
| CN109113709A (en) * | 2018-10-19 | 2019-01-01 | 中国石油大学(北京) | It is installed on the drill string damage well head on-Line Monitor Device for boring disk |
| CN109115865A (en) * | 2018-09-18 | 2019-01-01 | 中国石油大学(北京) | Disc type coiled tubing damage detection apparatus |
| CN109406619A (en) * | 2018-12-05 | 2019-03-01 | 中海石油(中国)有限公司 | A kind of vertical well mouth drill damage detection apparatus |
| CN111175354A (en) * | 2018-11-13 | 2020-05-19 | 中国科学院大连化学物理研究所 | Capacitive tomography sensor and system |
| CN112903808A (en) * | 2021-03-19 | 2021-06-04 | 河北石探机械制造有限责任公司 | Magnetic memory online detection system for drill rod |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526097A (en) * | 2017-01-12 | 2017-03-22 | 长江大学 | Automatic open-close type drill rod damage detection device |
| CN106769396A (en) * | 2017-02-08 | 2017-05-31 | 中国地质大学（武汉） | A kind of horizontal directional drill drilling rod fatigue damage detecting system |
| CN106769396B (en) * | 2017-02-08 | 2019-03-01 | 中国地质大学（武汉） | A kind of horizontal directional drill drilling rod fatigue damage detection system |
| CN109115865A (en) * | 2018-09-18 | 2019-01-01 | 中国石油大学(北京) | Disc type coiled tubing damage detection apparatus |
| CN109113709A (en) * | 2018-10-19 | 2019-01-01 | 中国石油大学(北京) | It is installed on the drill string damage well head on-Line Monitor Device for boring disk |
| CN109113709B (en) * | 2018-10-19 | 2023-10-17 | 中国石油大学(北京) | Drill string damage wellhead on-line monitoring device mounted on drilling disc surface |
| CN111175354A (en) * | 2018-11-13 | 2020-05-19 | 中国科学院大连化学物理研究所 | Capacitive tomography sensor and system |
| CN111175354B (en) * | 2018-11-13 | 2021-05-25 | 中国科学院大连化学物理研究所 | Capacitive tomography sensor and system |
| CN109406619A (en) * | 2018-12-05 | 2019-03-01 | 中海石油(中国)有限公司 | A kind of vertical well mouth drill damage detection apparatus |
| CN112903808A (en) * | 2021-03-19 | 2021-06-04 | 河北石探机械制造有限责任公司 | Magnetic memory online detection system for drill rod |
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Application publication date: 20160615 |
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| RJ01 | Rejection of invention patent application after publication |