CN101886542B - Oil string thread and sealing face damage acoustic detection method and detection device - Google Patents
Oil string thread and sealing face damage acoustic detection method and detection device Download PDFInfo
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- CN101886542B CN101886542B CN2010102270613A CN201010227061A CN101886542B CN 101886542 B CN101886542 B CN 101886542B CN 2010102270613 A CN2010102270613 A CN 2010102270613A CN 201010227061 A CN201010227061 A CN 201010227061A CN 101886542 B CN101886542 B CN 101886542B
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Abstract
The invention discloses an oil string thread and sealing face damage acoustic detection method, which is applied in the technical field of thread sealing detection. The method comprises the following steps of: arranging a moving fixture in a way of pressing driving wheels and driven wheels of the moving fixture onto the outer surface of a tubing coupling; arranging a transmitter/receiver and a receiver/transmitter; arranging a correction assistor onto an axial moving transducer fixture; making the moving fixture perform circumferential movement on the outer surface of the tubing coupling; detecting the damage condition of a thread sealing surface in the coupling; performing primary detection by using the transmitter/receiver and the receiver/transmitter respectively, and then performing correction detection on primary detection results by using the correction assistor; and judging the damage condition of the thread sealing surface of an oil string according to correction detection results. The method has the advantages of detecting whether the thread sealing surface of a joint is damaged or not after an oil tube is buckled, avoiding the damaged joints being lowered into a well, ensuring the security of the oil string, further ensuring the production security of the whole well and improving the production efficiency.
Description
Technical field
The present invention relates to thread seal detection technique field, particularly oil well oil conduit male screw and sealing face damage detect, and are a kind of method and acoustics checkout equipments that utilizes the Acoustic detection principle to carry out oil string thread and sealing face damage detection.
Background technology
Completion tubular column is the important step of completion engineering, and the final purpose of completion engineering will be fixed on completion tubular column on the borehole wall.Therefore the sealing requirements of the bonding strength of completion tubular column and junction is very high, and the damage of buckleing the rear thread sealing surface on the oil pipe leakage accident easily takes place, especially in hp-ht well under the complex load effect of down-hole.Because the existence conditions in well site, it is difficult to guarantee causing the completion tubular column sealing.At present, the method for check sealing integrity mainly is to estimate by indoor actual loading test, and then dissects oil connection, checks that screw thread and sealing surface have not damaged; The tubing round thread joint of oil field field by using helium package seal checker after to last button carries out sealing detection, but can not determine whether the thread seal face damages, and this testing cost is higher, generally only uses at the emphasis well.
Because of how determining to buckle on the oil pipe integrality of rear thread and sealing surface, further pass judgment on the tubing string sealing integrity, nowadays go back the good check analysis method of neither one.And, in hp-ht well, casing pressure is raise because of completion tubular column leaks from oil field field operation situation, finally cause accident to take place, even used the helium package seal checker to determine the tubing string good seal before this.
The subject matter that prior art exists: buckle the rear thread sealing surface on the oil pipe, to have not damaged not have way definite; Existing helium package seal checker can only detector tube column sealing performance, can't determine the integrality of thread seal face, and survey fees is with higher; Indoor full-scale leakage test in kind and analysis check can not be represented the whole tubing string that is lowered in the well.
Chinese patent notification number CN201218806Y provides a kind of pipeline butt weld supersonic detection device, comprises transmitting probe (transmitter), acceptance probe (receiver), probe holder, converter and printer composition.Transmitting probe and acceptance probe are fixed on the connecting axle, and the acoustic beam of two probes favours welding bead and intersects at the welding bead center.Can detect weld seam, the butt welded seam defect location is accurate, but certainty of measurement can not reach requirement.
Summary of the invention
The objective of the invention is: a kind of oil string thread and sealing face damage acoustic detection method are provided, detect the degree of impairment of buckleing rear thread and sealing surface on the oil pipe, and estimate the integrality and the continuity of tubing round thread and sealing surface.According to detecting evaluation result, avoid screw thread and sealing surface to have the oil pipe of damage to go into the well, estimate the sealing integrity of tubing string in conjunction with indoor leakage test in kind.
The technical solution used in the present invention is: oil string thread and sealing face damage acoustic checkout gear, employed checkout gear mainly are made up of ultrasound emission probe group, motion anchor clamps and computer and controller.Computer and controller connect ultrasound emission probe group by lead.Ultrasound emission probe group is made up of three transducers, and three transducers are divided into emitting/receiving, reception/transmitter and proofread and correct assistor, and three transducers are separately fixed on the motion anchor clamps.The permanent position of three transducers is: emitting/receiving and reception/transmitter are fixed on the radiai adjustment transducer folder at motion anchor clamps two ends, the angle on emitting/receiving or reception/transmitter and oil pipe surface is proofreaied and correct assistor and is fixed on middle the moving axially on the transducer folder of motion anchor clamps between 2～10 ° of degree.It is vertical with the tubing coupling center line to proofread and correct assistor.
Described motion anchor clamps mainly press from both sides, move axially the transducer folder by quadrangle main frame, motor, driving wheel, driven pulley, radiai adjustment transducer to be formed.Radiai adjustment transducer folder and trimming bolt on moving axially the transducer folder rotatablely move up and down and regulate transducer and contact with the coupling of tested oil pipe and coupling surface; Motor on the motion anchor clamps drives rotatablely moving of drive screw by geared linkage mechanism, and motor drives driven pulley by the motion of crank-link mechanism control driving wheel simultaneously; Motor and computer and controller link together by lead; The snak link hoop of being furnished with four symmetries on the motion anchor clamps, snak link hoop one end is fixed on the quadrangle main frame, and the other end is buckled on the wheel carrier, and wheel carrier supports driving wheel and driven pulley.
The angle on described emitting/receiving or reception/transmitter and oil pipe surface refers to angle described below: section is by the center line of oil pipe and tubing coupling, and emitting/receiving or reception/transmitter are in this section; The piezoelectric chip plane of oil pipe surface and emitting/receiving or reception/transmitter, and organize in an angle between the section.Be fixed with filler under the piezoelectric chip plane of emitting/receiving, reception/transmitter and correction assistor, filler comprises: organic glass or nylon.
Oil string thread and sealing face damage acoustic checkout gear detect principle.Consult Fig. 1 and Fig. 2.Be used to detect tubing string joint screw thread and/or sealing face damage degree.Radiai adjustment transducer folder 12 and move axially trimming bolt 11 on the transducer folder 14 and rotate three transducers of adjusting up and down and contact with the coupling of measured surface; Motor 8 on the motion anchor clamps 4 drives drive screw 9 by geared linkage mechanism and rotatablely moves, thus the axially-movable that realizes proofreading and correct assistor 3; Motor 8 drives driven pulley 15 by the motion of crank-link mechanism control driving wheel 10 simultaneously, realizes the circumferential movement of three transducers; Motor 8 and computer and controller 7 link together by lead, realize computer-controllable; The snak link hoop 17 of being furnished with four symmetries on the motion anchor clamps 4, snak link hoop 17 1 ends are fixed on the quadrangle main frame 13, the other end is buckled on the wheel carrier 16, and wheel carrier 16 supports driving wheel 10 and driven pulley 15, and snak link hoop 17 makes driving wheel and driven pulley tightly embrace tested tubing coupling 6 external surfaces.
The measured oil union refers to be formed by connecting by two oil pipes, 1 end external screw thread and with a tubing coupling 6; Computer and controller 7 are control instruments of entire equipment, and the decay gain of the motion of three transducers, the size of tranmitting frequency, received signal and correction and Signal Processing mainly realize by this computer and controller 7.
Oil string thread and sealing face damage acoustic detection method,
A, connect oil pipe respectively at the two ends of tubing coupling, at tubing coupling external surface and both ends of the surface brushing couplant; Oil pipe external surface brushing couplant near tubing coupling;
B, in tubing coupling the mounted movable anchor clamps, make the driving wheel of motion anchor clamps and driven pulley rely on the snak link hoop to be pressed on the tubing coupling external surface;
C, emitting/receiving and reception/transmitter are installed in respectively on the radiai adjustment transducer folder at motion anchor clamps two ends, and regulate trimming bolt and emitting/receiving is coupled with the oil pipe external surface with reception/transmitter contact;
D, be installed in and move axially on the transducer folder, regulate trimming bolt, make and proofread and correct assistor and be coupled with the tubing coupling external surface and contact proofreading and correct assistor;
E, emitting/receiving, reception/transmitter with proofread and correct the data wire and motor control line access computer and controller system, start detection device motor of assistor;
F, computer and controller controlled motion anchor clamps carry out circular motion at the tubing coupling external surface, and drive emitting/receiving, reception/transmitter and proofread and correct assistor and do circumferential movement simultaneously, proofread and correct assistor simultaneously and carry out axially-movable at the drive lower edge tubing coupling external surface of drive screw;
G, conditioning signal frequency detect box cupling internal thread sealing face damage situation;
H, at first emitting/receiving and reception/transmitter carry out one-time detection respectively, obtain testing result, proofread and correct assistor then and axially move, and on emission and receiving lines last testing result is proofreaied and correct scanning; Finishing the vertical face of thread seal face detects;
I, motion anchor clamps drive emitting/receiving, reception/transmitter and proofread and correct assistor and do circumferential moving at the tubing coupling external surface, and move angle and traveling time are controlled by motor at interval;
J, circulation H step and I step; The motion anchor clamps rotate a circle along the tubing coupling surface, and the thread seal face of finishing tubing coupling and oil pipe detects;
K, according to testing result, pass judgment on the degree of impairment of oil string thread sealing surface.
Brushing couplant in the A step at first is a slight void between the filling contact surface with the purpose of ultrasonic coupling agent, gets rid of the air between transducer and the measured object surface, makes ultrasonic wave energy import measured object effectively into, raising sound intensity transmissivity; The effect that next couplant is reduced friction in addition.Spendable couplant organic oil, water, water glass etc.
Emitting/receiving and reception/transmitter are a kind of ultrasound examination probes, and there is production marketing in market.What emitting/receiving of the present invention and reception/transmitter adopted is a kind of angle probe.
Proofreading and correct assistor is a kind of ultrasound examination probe, and the present invention mainly refers to normal probe, is mainly used in correction to signal amplitude between transmitter and the receiver, to prevent test leakage, mistake survey.
Beneficial effect of the present invention: oil string thread of the present invention and sealing face damage acoustic checkout gear, adopted correction assistor probe, compare correction with the signal of transmitter, receiver collection, improve certainty of measurement.Can pass judgment on and buckle back joint screw thread sealing surface on the oil pipe and whether damage, can avoid the joint G.I.H of damage, guarantee the safety of tubular column structure, further ensure the production safety of whole mouthful of well, have realistic meaning improving whole Petroleum Production efficient.
Description of drawings
Fig. 1 utilizes oil string thread of the present invention and sealing face damage acoustic checkout gear, carries out oil string thread and sealing face damage and detects schematic diagram.
Fig. 2 is the structural representation of the motion anchor clamps of oil string thread of the present invention and sealing face damage acoustic checkout gear.
Fig. 3 is that three transducers contact schematic diagram with the coupling of measured surface.
Among the figure, 1. oil pipe, 2. emitting/receiving, 3. correction assistor, 4. motion anchor clamps, 5. reception/transmitter, 6. tubing coupling, 7. computer and controller, 8. motor, 9. drive screw, 10. driving wheel, 11. trimming bolts, 12. radiai adjustment transducer folder, 13. quadrangle main frames, 14. move axially the transducer folder, 15. driven pulley, 16. wheel carriers, 17. snak link hoops.
The specific embodiment
Embodiment 1: the oil string thread and the sealing face damage acoustic checkout gear that are 88.9mm with an energy measurement diameter are example, and the present invention is described in further detail.
Consult Fig. 1 and Fig. 2.Oil string thread of the present invention and sealing face damage acoustic checkout gear mainly are made up of acoustic emission probe group, motion anchor clamps 4 and computer and controller 7.Acoustic emission probe group is made up of three transducers, three transducers are divided into emitting/receiving 2, reception/transmitter 5 and proofread and correct assistor 3, transmitter is put in joint two ends and the corresponding circumferential movement of doing simultaneously with receiver, proofread and correct assistor and place joint surface to do the axial and circumferential motion, these three transducers are installed on the long motion anchor clamps 4 of 150mm.The permanent position of three transducers is: emitting/receiving 2 and reception/transmitter 5 are fixed on the radiai adjustment transducer folder 12 at motion anchor clamps 4 two ends.Consult Fig. 3.Emitting/receiving 2 and reception/ transmitter 5 and 5 ° of tubing coupling 6 center line angles.Consult Fig. 2.Proofread and correct assistor 3 and be fixed on 4 middle the moving axially on the transducer folder 14 of motion anchor clamps.Rotatablely move up and down by the trimming bolt 11 on the transducer folder and to regulate transducer and contact with the coupling of measured oil tube-surface; Motor 8 on the motion anchor clamps 4 drives rotatablely moving of drive screw 9 by geared linkage mechanism, thereby realizes proofreading and correct the axially-movable of assistor; Motor drives driven pulley 15 by the motion of crank-link mechanism control driving wheel 10 simultaneously, realizes the circumferential movement of transducer; Motor and computer and controller link together by data cable, realize computer-controllable; The snak link hoop 17 of being furnished with four symmetries on the motion anchor clamps 4, snak link hoop 17 1 ends are fixed on the quadrangle main frame 13, the other end is buckled on the wheel carrier 16, and wheel carrier 16 supports driving wheel 10 and driven pulley 15, and snak link hoop 17 makes driving wheel and driven pulley tightly embrace tested tubing coupling 6 surfaces.Be fixed with filler under the piezoelectric chip plane of emitting/receiving 2, reception/transmitter 5 and correction assistor 3, filler adopts organic glass.The soffit of filler is a cabochon, equates with the radian of measured surface.What emitting/receiving 2 and reception/transmitter 5 adopted is 2.5P65 type angle probe, and what proofread and correct assistor 3 employings is 2.5P6 type normal probe.
Oil string thread and sealing face damage acoustic detection method: consult Fig. 2.
1,, selects the motion anchor clamps of long 150mm at the oil string thread of 88.9mm specification;
2, connect oil pipe 1 respectively at the two ends of tubing coupling 6, at tubing coupling 6 external surfaces and both ends of the surface brushing couplant; Oil pipe 1 external surface brushing couplant (water) near tubing coupling 6;
3, the motion anchor clamps 4 that are installed in tubing coupling 6 make the driving wheel 10 of motion anchor clamps 4 and driven pulley 15 rely on snak link hoops 17 to be pressed on tubing coupling 6 external surfaces;
4, emitting/receiving 2 and reception/transmitter 5 are installed in respectively on the radiai adjustment transducer folder 12 at motion anchor clamps 4 two ends, and adjusting trimming bolt 11 makes emitting/receiving 2 contact with the coupling of oil pipe 1 external surface with reception/transmitter 5;
5, be installed in and move axially on the transducer folder 14 proofreading and correct assistor 3, regulate trimming bolt 11, make and proofread and correct assistor 3 and be coupled with tubing coupling 6 external surfaces and contact;
6, the data wire and the motor control line of emitting/receiving 2, reception/transmitter 5 and correction assistor 3 are inserted computer and controller 7 systems, start detection device motor 8;
7, computer and controller 7 controlled motion anchor clamps 4 carry out circular motion at tubing coupling 6 external surfaces, and drive emitting/receiving 2, receive and send out/penetrate device 5 and correction assistor 3 is done circumferential movement simultaneously, proofread and correct assistor 3 simultaneously and carry out axially-movable at drive lower edge tubing coupling 6 external surfaces of drive screw 9;
8, conditioning signal frequency detects box cupling internal thread sealing face damage situation;
9, at first emitting/receiving 2 and reception/transmitter 5 carry out one-time detection respectively, obtain testing result, proofread and correct assistor 3 then and axially move, and on emission and receiving lines last testing result is proofreaied and correct scanning; Finishing the vertical face of thread seal face detects;
10, motion anchor clamps 4 drive transceiver 2, reception transmitter 5 and proofread and correct assistor 3 and do circumferential moving at tubing coupling 6 external surfaces, and move angle and traveling time are controlled by motor 8 at interval;
11, circulation 9 steps and 10 steps; Motion anchor clamps 4 rotate a circle along tubing coupling 6 surfaces, and the thread seal face of finishing tubing coupling 6 and oil pipe 1 detects;
12,, pass judgment on the degree of impairment of oil string thread sealing surface according to testing result.
Claims (4)
1. oil string thread and sealing face damage acoustic detection method is characterized in that:
A, connect oil pipe (1) respectively at the two ends of tubing coupling (6), at tubing coupling (6) external surface and both ends of the surface brushing couplant; Oil pipe (1) external surface brushing couplant near tubing coupling (6);
B, go up mounted movable anchor clamps (4), make the driving wheel (10) of motion anchor clamps (4) and driven pulley (15) dependence snak link hoop (17) be pressed on tubing coupling (6) external surface in tubing coupling (6);
C, emitting/receiving (2) and reception/transmitter (5) are installed in respectively on the radiai adjustment transducer folder (12) at motion anchor clamps (4) two ends, and regulate trimming bolt (11) and emitting/receiving (2) and reception/transmitter (5) are coupled with oil pipe (1) external surface contact;
D, be installed in and move axially on the transducer folder (14), regulate trimming bolt (11), make and proofread and correct assistor (3) and be coupled with tubing coupling (6) external surface and contact proofreading and correct assistor (3);
E, emitting/receiving (2), reception/transmitter (5) with proofread and correct the data wire and motor control line access computer and controller (7) system, start detection device motor (8) of assistor (3);
F, computer and controller (7) controlled motion anchor clamps (4) carry out circular motion at tubing coupling (6) external surface, and drive emitting/receiving (2), receptions/transmitter (5) and correction assistor (3) and do circumferential movement simultaneously, proofread and correct assistor (3) simultaneously and carry out axially-movable at drive lower edge tubing coupling (6) external surface of drive screw (9);
G, conditioning signal frequency detect tubing coupling (6) internal thread sealing face damage situation;
H, at first emitting/receiving (2) and reception/transmitter (5) carry out one-time detection respectively, obtain testing result, proofread and correct assistor (3) then and axially move, and on emission and receiving lines last testing result is proofreaied and correct scanning; Finishing the vertical face of thread seal face detects;
I, motion anchor clamps (4) drive emitting/receiving (2), reception/transmitter (5) and proofread and correct assistor (3) and do circumferential moving at tubing coupling (6) external surface, and move angle and traveling time are at interval by motor (8) control;
J, circulation H step and I step; Motion anchor clamps (4) rotate a circle along tubing coupling (6) surface, and the thread seal face of finishing tubing coupling (6) and oil pipe (1) detects;
K, according to testing result, pass judgment on the degree of impairment of oil string thread sealing surface.
2. oil string thread according to claim 1 and sealing face damage acoustic detection method are: it is characterized in that: employed checkout gear mainly is made up of ultrasound emission probe group, motion anchor clamps (4) and computer and controller (7); Computer and controller (7) connect ultrasound emission probe group by lead, ultrasound emission probe group is made up of three transducers, three transducers are divided into emitting/receiving (2), reception/transmitter (5) and correction assistor (3), three transducers are separately fixed on the motion anchor clamps (4), the permanent position of three transducers is: emitting/receiving (2) and reception/transmitter (5) are fixed on the radiai adjustment transducer folder (12) at motion anchor clamps (4) two ends, the angle on emitting/receiving (2) or reception/transmitter (5) and oil pipe (1) surface is between 2～10 °, proofread and correct assistor (3) and be fixed on middle the moving axially on the transducer folder (14) of motion anchor clamps (4), it is vertical with tubing coupling (6) center line to proofread and correct assistor (3); The angle on described emitting/receiving (2) or reception/transmitter (5) and oil pipe (1) surface refers to angle described below: section is by the center line of oil pipe (1) and tubing coupling (6), and emitting/receiving (2) or reception/transmitter (5) are in this section; The piezoelectric chip plane of oil pipe (1) surface and emitting/receiving (2) or reception/transmitter (5), and organize in an angle between the section.
3. oil string thread according to claim 2 and sealing face damage acoustic detection method, it is characterized in that: described motion anchor clamps (4) mainly by quadrangle main frame (13), motor (8), driving wheel (10), driven pulley (15), radiai adjustment transducer folder (12), move axially transducer folder (14) and form, radiai adjustment transducer folder (12) and move axially rotatablely move up and down adjusting transducer and tested oil pipe and the surperficial coupling of tubing coupling (6) of trimming bolt (11) on the transducer folder (14) and contact; Motor (8) on the motion anchor clamps (4) drives rotatablely moving of drive screw (9) by geared linkage mechanism, and motor (8) drives driven pulley (15) by the motion of crank-link mechanism control driving wheel (10) simultaneously; Motor (8) links together by lead with computer and controller (7); The snak link hoop (17) of being furnished with four symmetries on the motion anchor clamps (4), snak link hoop (17) one ends are fixed on the quadrangle main frame (13), and the other end is buckled on the wheel carrier (16), and wheel carrier (16) supports driving wheel (10) and driven pulley (15).
4. oil string thread according to claim 2 and sealing face damage acoustic detection method, it is characterized in that: be fixed with filler under the piezoelectric chip plane of emitting/receiving (2), reception/transmitter (5) and correction assistor (3), filler comprises: organic glass or nylon.
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| CN102565199B (en) * | 2010-12-23 | 2014-04-02 | 中国石油天然气股份有限公司 | Flexible probe ring for pipeline guided wave detection system |
| CN102313772B (en) * | 2011-05-27 | 2013-05-01 | 中国石油集团川庆钻探工程有限公司 | Method for detecting and evaluating damage of oil casing pipes in oil-gas field |
| CN102426192A (en) * | 2011-09-16 | 2012-04-25 | 北京交通大学 | Method of applying Rayleigh waves in non-linear ultrasonic evaluation of surface damage of metal material |
| CN104034803B (en) * | 2014-06-12 | 2016-04-20 | 福建省建筑科学研究院 | The sensing device that main passive waveguide monitoring bridge draws hoist cable to damage and monitoring method thereof |
| CN107219302B (en) * | 2017-05-26 | 2020-02-21 | 河海大学 | Underwater pier column structure and surrounding riverbed medium appearance detection device and using method |
| CN111075434B (en) * | 2019-11-29 | 2023-05-26 | 中国石油天然气集团有限公司 | Portable sound source device for acoustic logging instrument array receiving acoustic system field detection and use method thereof |
| CN113203523B (en) * | 2021-04-30 | 2022-07-01 | 中国石油大学(北京) | Method, device and equipment for detecting sealing performance of oil pipe joint |
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| CN1053680A (en) * | 1990-01-15 | 1991-08-07 | 莫斯科“瓦乌曼”技术专科学校 | The sound contact inspection method of UT (Ultrasonic Testing) |
| US8001841B2 (en) * | 2005-10-14 | 2011-08-23 | Olympus Ndt | Ultrasonic fault detection system using a high dynamic range analog to digital conversion system |
| JP4544240B2 (en) * | 2005-11-21 | 2010-09-15 | Ｊｆｅスチール株式会社 | Tubular ultrasonic inspection apparatus and ultrasonic inspection method |
| JP4596331B2 (en) * | 2006-09-21 | 2010-12-08 | 住友金属工業株式会社 | Ultrasonic flaw detection method for pipe threaded joints |
| CN201218806Y (en) * | 2008-06-19 | 2009-04-08 | 中国石油天然气集团公司 | Ultrasonic detection apparatus for pipe butt-joint seam |
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