CN102520063B - In-service testing and evaluating method and system of coiled tubing - Google Patents
In-service testing and evaluating method and system of coiled tubing Download PDFInfo
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- CN102520063B CN102520063B CN 201110309349 CN201110309349A CN102520063B CN 102520063 B CN102520063 B CN 102520063B CN 201110309349 CN201110309349 CN 201110309349 CN 201110309349 A CN201110309349 A CN 201110309349A CN 102520063 B CN102520063 B CN 102520063B
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Abstract
The invention discloses an in-service testing and evaluating method of coiled tubing, comprising the following steps of: receiving obtained detection signals relevant to an outer diameter and a wall thickness, detected response signals of annular defect information and detected response signals of detected axial defect information; and analyzing according to the signals to obtain the outer diameter and the wall thickness of an oil tube, and sizes of annular defects and axial defects. The invention further discloses an in-service testing and evaluating system of the coiled tubing, comprising an axial stable magnetic field excitation coil, a coil for detecting the annular defects, and a medium-high frequency annular magnetic excitation coil, which are arranged on the oil tube; and the system further comprises an outer diameter and wall thickness detection probe and a medium-high frequency electromagnetic excitation coil for detecting the axial defects. According to the in-service testing and evaluating method and the in-service testing and evaluating system of the coiled tubing which are provided by the invention, the wall thickness, the outer diameter and the defects of the coiled tubing can be comprehensively, automatically and rapidly detected in the use process.
Description
Technical field
The present invention relates to oil and gas development and drilling well new technical field, particularly a kind of continuous pipe detects evaluation method and system thereof in labour.
Background technology
Continuously the pipe operation compare with traditional tubing string operation have reduce significantly to unload in rig expense, the time of saving the rountrip tubing string, the elimination single heavy work, continuously neatly to the down-hole cycle working fluid, reduce formation damage, safe and reliable, advantage such as purposes is wide, have potential competitive edge, good prospects for application, now become a focus of world's oil and gas industry technical research and application.And along with continuous pipe caliber increases, the continuous expansion of purposes and range of application, and the raising of suffered load, the inefficacy of pipe takes place frequently continuously, causes very big economic loss.Develop continuous pipe and detect assessment technique, prevent the generation of the inefficacy of continuous pipe, the application of coiled tubing is had very important effect in labour.
Summary of the invention
One of purpose of the present invention provides a kind of continuous pipe and detects evaluation method and system thereof in labour.
According to an aspect of the present invention, providing a kind of continuous pipe to detect evaluation method in labour comprises:
The response signal of the response signal of the hoop defect information of the relevant external diameter that reception is surveyed and the detectable signal of wall thickness, detection and the axial flaw information of detection;
Obtain the size of oil pipe external diameter, wall thickness, hoop defective and axial flaw according to above-mentioned signal analysis.
Further, this method also comprises the size that obtains oil pipe external diameter, wall thickness, hoop defective and axial flaw according to described analysis, and undesirable coiled tubing is reported to the police.
According to another aspect of the present invention, providing a kind of continuous pipe to detect evaluation system in labour comprises:
Be arranged on defects detection coil (2), medium-high frequency hoop electric magnetization coil (3), external diameter and the wall thickness detecting probe (4) of axial stabilizing magnetic field drive coil (1) on the oil pipe, hoop and judge the medium-high frequency electric magnetization coil (5) that whether has the axial flaw that influence uses safely in the oil pipe; Be disposed with the medium-high frequency electric magnetization coil (5) that detects axial flaw, detection ring between the probe (4) of described axial stabilizing magnetic field drive coil (1) and described detection external diameter and wall thickness to the coil (2) of defective, and medium-high frequency hoop electric magnetization coil (3); Wherein, described axial stabilizing magnetic field drive coil (1) produces in oil pipe and stablizes axial magnetic field; Described medium-high frequency hoop electric magnetization coil (3) applies the medium-high frequency ac signal to the oil pipe surface, acts on above-mentioned axial stabilizing magnetic field and produces the electromagnetic ultrasonic wave signal of axially propagating in the oil pipe; The defects detection coil (2) of described hoop detects above-mentioned electromagnetic ultrasonic wave signal, when in the oil pipe non axial defective being arranged, then electromagnetic ultrasonic wave signal generation scattering, the defects detection coil (2) of described hoop receives the electromagnetic ultrasonic wave signal of scattering, produce the response signal of carrying the hoop defect information thus, to judge the hoop defective that whether has the influence safe handling in the oil pipe.
Further, the defects detection coil (2) of described hoop, external diameter and wall thickness detecting probe (4) and medium-high frequency axial magnetic drive coil (5) are all along the circumferential direction evenly distributed.
Further, described medium-high frequency axial magnetic drive coil (5) one half-coils are drive coil, one half-coil is a receiving coil, arrange at interval, the electromagnetic ultrasonic wave signal that drive coil medium-high frequency AC signal produces is propagated along the oil pipe circumferencial direction, when this electromagnetic ultrasonic wave signal runs into axial flaw in the oil pipe, electromagnetic ultrasonic wave signal generation scattering, in receiving coil, generation is carried the response signal of axial flaw information, to judge the axial flaw that whether has the influence safe handling in the oil pipe.
Further, described external diameter and wall thickness detecting probe (4) comprise high-frequency electromagnetic probe, basic magnetic sheet, Hall element and direct solenoid element, set gradually described Hall element, basic magnetic sheet and high-frequency electromagnetic probe on the described direct solenoid element.
Further, described system also comprises analysis module, receive the response signal of carrying axial flaw information that the receiving coil of response signal of carrying the hoop defect information that the defects detection coil (2) of the relevant external diameter that described detection probe (4) surveys and the detectable signal of wall thickness, described hoop produces and described axial magnetic drive coil (5) produces, and analyze the size that obtains oil pipe external diameter, wall thickness, hoop defective and axial flaw.
Further, described system also comprises alarm module, and the result according to described analysis module is analyzed is reported to the police to undesirable coiled tubing.
Can realize comprehensive, automatic, the fast detecting in the scene of wall thickness, external diameter and defective in the coiled tubing use according to continuous pipe provided by the invention in labour detection evaluation method and system thereof.
Description of drawings
Fig. 1 is the nondestructive detection system combination synoptic diagram that the embodiment of the invention provides;
Fig. 2 is magnetic test coil/probe circumferential array combination synoptic diagram that the embodiment of the invention provides;
Fig. 3 is that Fig. 1 is middle external diameter and wall thickness detecting probe synoptic diagram;
The object of the invention, function and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
The embodiment of the invention provides a kind of continuous pipe to comprise in labour detection evaluation method:
The response signal of the response signal of the detectable signal of step 10, the relevant external diameter that receives detection and wall thickness, the hoop defect information of detection and the axial flaw information of detection.
Step 30, obtain the size of oil pipe external diameter, wall thickness, hoop defective and axial flaw, undesirable coiled tubing is reported to the police according to described analysis.
Below in conjunction with the structure shown in Fig. 1-3 this continuous pipe being detected evaluation method in labour is elaborated.
Referring to Fig. 1, a kind of continuous pipe that the embodiment of the invention provides detects evaluation system in labour and comprises the axial stabilizing magnetic field drive coil 1 that is arranged on the oil pipe, hoop coil 2, medium-high frequency hoop electric magnetization coil 3, external diameter and wall thickness detecting probe 4, medium-high frequency axial magnetic drive coil 5, analysis module (not shown) and the alarm module (not shown) of defects detection.Coil 2,3,5 minimum 8, is determined according to oil pipe external diameter size along circumference evenly distributed (referring to Fig. 2).Axially stabilizing magnetic field drive coil 1 and medium-high frequency hoop electric magnetization coil 3 are two semicircle plug-in type coils.Axially stabilizing magnetic field drive coil 1 produces in oil pipe and stablizes axial magnetic field.3 pairs of oil pipe surfaces of medium-high frequency hoop electric magnetization coil apply the medium-high frequency ac signal, act on above-mentioned axial stabilizing magnetic field and produce the electromagnetic ultrasonic wave signal of axially propagating in the oil pipe.The defects detection coil 2 of hoop detects above-mentioned electromagnetic ultrasonic wave signal (i.e. the electromagnetic ultrasonic wave signal of axially propagating) in oil pipe, when in the oil pipe non axial defective being arranged, then electromagnetic ultrasonic wave signal generation scattering, the defects detection coil 2 of hoop receives the electromagnetic ultrasonic wave signal of scattering, produce the response signal of carrying the hoop defect information thus, to judge the hoop defective that whether has the influence safe handling in the oil pipe.Medium-high frequency axial magnetic drive coil 5 one half-coils are drive coil, one half-coil is a receiving coil, arrange at interval, the electromagnetic ultrasonic wave signal that drive coil medium-high frequency AC signal produces is propagated along the oil pipe circumferencial direction, when this electromagnetic ultrasonic wave signal runs into axial flaw in the oil pipe, the response signal of axial flaw information is carried generation in electromagnetic ultrasonic wave signal generation scattering in receiving coil, to judge the axial flaw that whether has the influence safe handling in the oil pipe.
Referring to Fig. 3, external diameter and wall thickness detecting probe 4 comprise high-frequency electromagnetic probe 41, basic magnetic sheet 42, Hall element 43 and direct solenoid element 44.Set gradually Hall element 43, basic magnetic sheet 42 and high-frequency electromagnetic probe 41 on the direct solenoid element 44.Direct solenoid element 44 bonds together with high-frequency electromagnetic probe 41, and high frequency probe 41 is in the near side in distance oil pipe surface, and medium-high frequency hoop electric magnetization coil 3 all winds perpendicular to the direction of oil pipe surface and twines.The electromagnetic field that direct solenoid element 44 produces perpendicular to the body surface, the electromagnetic signal that produces with medium-high frequency hoop electric magnetization coil 3 responds, and carries out the detection of this response signal by high-frequency electromagnetic probe 41.Analysis module (can by computer realization) receives the response signal of carrying axial flaw information that the receiving coil of response signal of carrying the hoop defect information that the defects detection coil 2 of detectable signal, the hoop of relevant external diameter that external diameter and wall thickness detecting detection probe 4 survey and wall thickness produces and medium-high frequency axial magnetic drive coil 5 produces, and analyze the size that obtains oil pipe external diameter, wall thickness, hoop defective and axial flaw, and provide the judgement of condition accordance by user or the given numerical range of standard.The result that alarm module is analyzed according to analysis module is reported to the police to undesirable coiled tubing.
The continuous pipe that the embodiment of the invention provides detects evaluation system and method thereof in labour, all signals are passed to the Computer Analysis module after data acquisition and digital-to-analog conversion, by parameters such as the automatic computational analysis oil pipe of analysis module external diameter, wall thickness and defectives, provide the condition accordance by user or the given numerical range of standard and judge, undesirable coiled tubing is reported to the police.
The present invention can utilize the automatic noncontact mode of electromagnetic acoustic technology to obtain equally spaced 4 external diameters and 8 wall thickness in the coiled tubing xsect, has avoided the wearing and tearing of contact thickness measuring method to ultrasonic probe, and water is not cooked couplant, convenient aboveground on-the-spot the use.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (6)
1. a continuous pipe detects evaluation system in labour, it is characterized in that, comprising:
Be arranged on defects detection coil (2), medium-high frequency hoop electric magnetization coil (3), external diameter and the wall thickness detecting probe (4) of axial stabilizing magnetic field drive coil (1) on the oil pipe, hoop and judge the medium-high frequency electric magnetization coil (5) that whether has the axial flaw that influence uses safely in the oil pipe; Be disposed with the medium-high frequency electric magnetization coil (5) that detects axial flaw, detection ring between the probe (4) of described axial stabilizing magnetic field drive coil (1) and described detection external diameter and wall thickness to the coil (2) of defective, and medium-high frequency hoop electric magnetization coil (3);
Wherein, described axial stabilizing magnetic field drive coil (1) produces in oil pipe and stablizes axial magnetic field;
Described medium-high frequency hoop electric magnetization coil (3) applies the medium-high frequency ac signal to the oil pipe surface, acts on above-mentioned axial stabilizing magnetic field and produces the electromagnetic ultrasonic wave signal of axially propagating in the oil pipe;
The defects detection coil (2) of described hoop detects above-mentioned electromagnetic ultrasonic wave signal, when in the oil pipe non axial defective being arranged, then electromagnetic ultrasonic wave signal generation scattering, the defects detection coil (2) of described hoop receives the electromagnetic ultrasonic wave signal of scattering, produce the response signal of carrying the hoop defect information thus, to judge the hoop defective that whether has the influence safe handling in the oil pipe.
2. continuous pipe according to claim 1 detects evaluation system in labour, it is characterized in that:
The defects detection coil (2) of described hoop, external diameter and wall thickness detecting probe (4) and medium-high frequency axial magnetic drive coil (5) are all along the circumferential direction evenly distributed.
3. continuous pipe according to claim 2 detects evaluation system in labour, it is characterized in that:
Described medium-high frequency axial magnetic drive coil (5) one half-coils are drive coil, one half-coil is a receiving coil, arrange at interval, the electromagnetic ultrasonic wave signal that drive coil medium-high frequency AC signal produces is propagated along the oil pipe circumferencial direction, when this electromagnetic ultrasonic wave signal runs into axial flaw in the oil pipe, the response signal of axial flaw information is carried generation in electromagnetic ultrasonic wave signal generation scattering in receiving coil, to judge the axial flaw that whether has the influence safe handling in the oil pipe.
4. continuous pipe according to claim 3 detects evaluation system in labour, it is characterized in that:
Described external diameter and wall thickness detecting probe (4) comprise high-frequency electromagnetic probe, basic magnetic sheet, Hall element and direct solenoid element, set gradually described Hall element, basic magnetic sheet and high-frequency electromagnetic probe on the described direct solenoid element.
5. detect evaluation system according to each described continuous pipe of claim 1-4 in labour, it is characterized in that, also comprise:
Analysis module, receive the response signal of carrying axial flaw information that the receiving coil of response signal of carrying the hoop defect information that the defects detection coil (2) of the relevant external diameter that described detection probe (4) surveys and the detectable signal of wall thickness, described hoop produces and described axial magnetic drive coil (5) produces, and analyze the size that obtains oil pipe external diameter, wall thickness, hoop defective and axial flaw.
6. continuous pipe according to claim 5 detects evaluation system in labour, it is characterized in that, also comprises:
Alarm module, the result according to described analysis module is analyzed is reported to the police to undesirable coiled tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110309349 CN102520063B (en) | 2011-10-13 | 2011-10-13 | In-service testing and evaluating method and system of coiled tubing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110309349 CN102520063B (en) | 2011-10-13 | 2011-10-13 | In-service testing and evaluating method and system of coiled tubing |
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| CN102520063A CN102520063A (en) | 2012-06-27 |
| CN102520063B true CN102520063B (en) | 2013-07-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103512483B (en) * | 2012-06-30 | 2017-04-19 | 中国石油化工股份有限公司 | Overhead pipe wall thickness corrosion scanning and detecting system |
| CN103542802B (en) * | 2012-07-12 | 2016-06-08 | 中国石油天然气集团公司 | Continuous pipe ovality on-line checkingi device |
| CN102980942B (en) * | 2012-11-20 | 2015-04-08 | 中国石油天然气集团公司 | Metal pipeline detection method |
| CN103063737B (en) * | 2012-12-28 | 2015-08-19 | 中国石油集团川庆钻探工程有限公司 | Coiled tubing magnetic detection method |
| EP4386777A3 (en) * | 2013-12-17 | 2024-08-07 | Ontario Power Generation Inc. | Improved ultrasound inspection |
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| US6404189B2 (en) * | 1999-03-17 | 2002-06-11 | Southeast Research Institute | Method and apparatus for inspecting pipelines from an in-line inspection vehicle using magnetostrictive probes |
| CN101424663B (en) * | 2008-12-05 | 2011-05-11 | 清华大学 | Gas pipeline crack electromagnetical ultrasonic oblique wave guide detecting method |
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