CN103452544B - The online test method of tubing on-site - Google Patents
The online test method of tubing on-site Download PDFInfo
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- CN103452544B CN103452544B CN201310401024.3A CN201310401024A CN103452544B CN 103452544 B CN103452544 B CN 103452544B CN 201310401024 A CN201310401024 A CN 201310401024A CN 103452544 B CN103452544 B CN 103452544B
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Abstract
The invention provides a kind of online test method of tubing on-site, comprise the steps: that (1) equipment is installed; (2) setting parameter; (3) instrument calibration; (4) simulation test; (5) oil pipe detects; (6) situ appraisal; (7) field labeled; (8) equipment dismounting; (9) examining report.The present invention utilizes well mouth oil pipe detecting instrument, and carry out on-line checkingi when pulling out of hole to the oil pipe in well, the method operating cost is low, and go out testing result in real time, also do not need the time taken beyond trip-out, operation process and the conventional not difference that pulls out of hole, newly-increased operating risk.Not only reduce the operating cost that oil pipe detects, and improve safety and the timeliness of construction.
Description
Technical field
The present invention relates to oilfield prospecting developing field, particularly a kind of oil pipe detection method.
Background technology
In oil and gas exploration and development process, oil pipe is widely used in oil fracturing and oil producing operation.In operation process, oil pipe stands the injury such as corrosion of mechanical shock, the erosion of high pressure load fluid, wearing and tearing, the round eccentric wear of sucker rod, all kinds of strong acid, highly basic working media, the high salinity stratum liquid repeatedly of pumping swab for a long time, oil pipe is deformed in various degree, eccentric wear, there is the phenomenons such as crack, hole, tube wall be thinning, the disconnected industrial accident such as de-of tubing string leakage in work progress, tubing string time serious, can be caused.
In order to avoid there is above-mentioned industrial accident, with regard to need to scene oil pipe carry out regular health check-up, in time risky impaired oil pipe is picked out.Conventional oil pipe detects two kinds of modes: when 1, oil pipe is in well, with under multi-arm imaging caliper and magnetic imaging calibrator in the oil pipe in well, record pipe aperture and wall thickness change situation.The method precision is high, but logging cost is high, and individual well time well logging expense is 14-18 about ten thousand yuan, and the well log interpretation cycle is long, generally needs more than 3 working days.2, transport on-the-spot oil pipe back rear base oil pipe testing room, upper table ultrasonic testing/ ultrasonic examination or electromagnetic test instrument detect by root.The method testing cost is high, and duty cycle is longer.
Summary of the invention
The problems such as oil pipe detection method cost in above-mentioned prior art is high in order to solve, the cycle is long, the present invention aims to provide a kind of online test method of tubing on-site, reduces the operating cost that oil pipe detects, and improves safety and the timeliness of construction.
The present invention is achieved through the following technical solutions:
An online test method for tubing on-site, is characterized in that, comprises the steps:
(1) equipment is installed: by being arranged in wellhead flange plane with wellhead flange screw by oil pipe detector, then with 12 special core cable connected pipes detector and control panels, then connects control panel and computer by usb communication line;
(2) setting parameter: open computer, opens on-the-spot oil pipe and detects application software, the pound sign that input will detect in the dialog box jumped out, detection date, confirms.Click " setting " that detect interface, select suitable " detection specification ", then arrange a class and report to the police, namely tube wall hole threshold and two classes are reported to the police, i.e. wall thickness threshold;
(3) instrument calibration: with down-hole and detected oil pipe same specification, brand-new tubing nipple with material, and make 8 of the central point of pipe nipple and oil pipe detector to pop one's head in corresponding.The specification of detected oil pipe is set detecting interface, then with obtain 8 Well Logging Engineering values for measuring the unified benchmark of tube corrosion to be measured hole, the degree of depth of hole and the thickness of wall thickness wearing and tearing, carry out automatic Calibration benchmark;
(4) simulation test: with the new pipe in down-hole for object, carry out analog data acquisition, and simulation test is carried out to gathered 8 static logs, whether evenly observe curve, whether namely whether curve fluctuating range is less than 1mm, stablize, namely curve is straight, without drifting about up or down; Profiles uniform, carry out next step when stablizing, otherwise re-start " the instrument calibration " of previous step 3;
(5) oil pipe detects: with oil pipe to be measured for object carries out oil pipe detection and data acquisition; Utilize software by gathered 8 dynamic logging curve weighted calculation, form a class log and two class logs, wherein, a class log reflection wall erosion hole, hole depth, two class log reflection pipe thicknesses;
(6) situ appraisal: respectively with a class threshold and two class thresholds for benchmark, whether exceed arbitrary threshold according to profile amplitude, and the degree exceeded, above-mentioned two curves identified, distinguishes normal oil pipe, critical oil pipe and the oil pipe that transfinites;
(7) field labeled: distinctive mark is carried out to above-mentioned three kinds of oil pipes: normal oil pipe does not identify, critical oil effective yellow paint mark, the oil pipe red paint that transfinites identifies;
(8) equipment dismounting: after having detected, individually deposits critical oil pipe, the oil pipe that transfinites, normal oil pipe, preserves data, close inspection software, close and detect panel power supply, take communication cable apart, pull down well mouth oil pipe detector;
(9) examining report: add up all kinds of oil pipe data, write examining report, complete whole testing process.
Described oil pipe detector is YGJ-1 tubing on-site the cannot-harm-detection device, its etch pit and hole resolving power are φ 1.2mm, wall thickness wearing and tearing resolving power is 5% of wall thickness, detection speed is 1 ~ 60m/min, appearance and size is Φ 380mm × 310mm, maximum diameter is Φ 110mm, and the operating temperature of sensor is-40 DEG C ~ 85 DEG C, and humidity is 0 ~ 90%.
Described cable is the coaxial jacketed cable of 12 core of length 100m, external diameter 8mm, band screen layer.
Described on-the-spot oil pipe inspection software is YGJ-1 nondestructive inspection system of tubing on-site.
The threshold that a described class is reported to the police and two classes are reported to the police is according to formula: k=110 △ h calculates, and wherein, △ h is the variable quantity of largest tube cinclides hole and the wall thickness allowed.
Described detection specification is two kinds of oil pipe specifications that external diameter is respectively 73mm and 89mm.
Oil pipe standard of perfection in described step (6) is: every profile amplitude all below two thresholds for normal oil pipe; Arbitrary profile amplitude exceeds threshold, but is critical oil pipe within threshold 120%; What arbitrary profile amplitude exceeded threshold more than 120% is the oil pipe that transfinites.
Described examining report at least comprises: the data file that 8 the calibration engineering numerical value recorded when the use historical archives of pound sign, client, detection unit, testing staff, detection date, oil pipe to be checked, oil pipe material to be checked, oil pipe to be checked sum, qualified oil pipe number, critical oil pipe number, the oil pipe number that transfinites, instrument calibration and all oil pipes to be measured record in testing process.
The present invention utilizes well mouth oil pipe detecting instrument, and carry out on-line checkingi when pulling out of hole to the oil pipe in well, the method operating cost is low, and go out testing result in real time, also do not need the time taken beyond trip-out, operation process and the conventional not difference that pulls out of hole, newly-increased operating risk.Not only reduce the operating cost that oil pipe detects, and improve safety and the timeliness of construction.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention.
Detailed description of the invention
As shown in Figure 1, the online test method of a kind of tubing on-site provided by the invention, comprises the steps:
(1) equipment is installed: by being arranged in wellhead flange plane with wellhead flange screw by oil pipe detector, then with 12 special core cable connected pipes detector and control panels, then connects control panel and computer by usb communication line;
(2) setting parameter: open computer, opens on-the-spot oil pipe and detects application software, the pound sign that input will detect in the dialog box jumped out, detection date, confirms.Click " setting " that detect interface, select suitable " detection specification ", then class warning (tube wall hole) threshold and two classes warning (wall thickness) threshold are set;
(3) instrument calibration: enter under in well one with detected oil pipe same specification, the brand-new tubing nipple of about 2 meters with material, and make 8 of the central point of pipe nipple and oil pipe detector to pop one's head in corresponding.Click " setting " that detect interface, " benchmark setting " under it inner specification selecting detected oil pipe, then clicks " starting automatic Calibration benchmark "; Obtain 8 Well Logging Engineering values at the brand-new oil pipe place of 8 probe correspondences of oil pipe detector, and as unified benchmark, for the thickness measuring the wearing and tearing of the etch pit of oil pipe to be measured, the degree of depth of hole and wall thickness afterwards provides foundation.
(4) simulation test: when not moving the brand-new tubing nipple for calibration benchmark, click " data acquisition " that detect interface, gather the static log at the tubing nipple place of 8 probe difference correspondences of oil pipe detector, carry out simulation test, observe 8 curves whether evenly (curve fluctuating range is less than 1mm), stable (curve is straight, without drifting about up or down) measured; Profiles uniform, carry out next step when stablizing, otherwise re-start previous step " (3) instrument calibration ";
(5) oil pipe detects: trip out brand-new tubing nipple, above play oil pipe to be measured, clicks " data acquisition " that detect interface simultaneously, with oil pipe to be measured for object carries out formal oil pipe detection, and carries out data acquisition; Gather 8 dynamic logging curves at the oil pipe place to be measured of 8 probe difference correspondences of oil pipe detector.Rose after detector probe until tubing coupling, clicked " the stopping data acquisition " at " detection interface ".8 curve weighted calculation that software will record automatically, and form a class log (reflection wall erosion hole, hole depth) and a two class log (reflection pipe thickness).
(6) situ appraisal: 2 curves measured by previous step " detection of (5) oil pipe " are identified: respectively with a class threshold and two class thresholds for benchmark, carry out field labeled, every profile amplitude is normal oil pipe all below two thresholds; Arbitrary profile amplitude exceeds threshold, but is critical oil pipe within threshold 120%; What arbitrary profile amplitude exceeded threshold more than 120% is the oil pipe that transfinites.
(7) field labeled: distinctive mark is carried out to above-mentioned three kinds of oil pipes: normal oil pipe does not identify, critical oil effective yellow paint mark, the oil pipe red paint that transfinites identifies;
(8) equipment dismounting: after having detected, individually deposits critical oil pipe, the oil pipe that transfinites, normal oil pipe, preserves data, close inspection software, close and detect panel power supply, take communication cable apart, pull down well mouth oil pipe detector;
(9) examining report: add up all kinds of oil pipe data, write examining report, complete whole testing process.
Wherein, oil pipe detector is YGJ-1 tubing on-site the cannot-harm-detection device, its etch pit and hole resolving power are φ 1.2mm, wall thickness wearing and tearing resolving power is 5% of wall thickness, detection speed is 1 ~ 60m/min, and appearance and size is Φ 380mm × 310mm, and maximum diameter is Φ 110mm, the operating temperature of sensor is-40 DEG C ~ 85 DEG C, and humidity is 0 ~ 90%.
Connected pipes detector and the cable of control panel are length 100m, external diameter 8mm, be with the coaxial jacketed cable of 12 core of screen layer.
On-the-spot oil pipe inspection software used is YGJ-1 nondestructive inspection system of tubing on-site.
The threshold that a class is reported to the police and two classes are reported to the police in step (2) setting parameter is according to formula: k=110 △ h calculates, and wherein, △ h is the variable quantity of largest tube cinclides hole and the wall thickness allowed.
The detection specification arranged in step (3) instrument calibration is two kinds of oil pipe specifications that external diameter is respectively 73mm and 89mm.
Examining report in step (9) at least comprises: the data file that 8 the calibration engineering numerical value recorded when the use historical archives of pound sign, client, detection unit, testing staff, detection date, oil pipe to be checked, oil pipe material to be checked, oil pipe to be checked sum, qualified oil pipe number, critical oil pipe number, the oil pipe number that transfinites, instrument calibration and all oil pipes to be measured record in testing process.
The present invention utilizes well mouth oil pipe detecting instrument, and carry out on-line checkingi when pulling out of hole to the oil pipe in well, the method operating cost is low, and go out testing result in real time, also do not need the time taken beyond trip-out, operation process and the conventional not difference that pulls out of hole, newly-increased operating risk.Not only reduce the operating cost that oil pipe detects, and improve safety and the timeliness of construction.
What finally illustrate is, the present invention is not restricted to the described embodiments, what describe in above-described embodiment and manual just illustrates principle of the present invention, and under the prerequisite not departing from the principle and scope of the present invention, various changes and modifications all should be encompassed in the middle of right of the present invention.
The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (4)
1. an online test method for tubing on-site, is characterized in that, comprises the steps:
(1) equipment is installed: by being arranged in wellhead flange plane with wellhead flange screw by oil pipe detector, then with 12 special core cable connected pipes detector and control panels, then connects control panel and computer by usb communication line;
(2) setting parameter: open computer, opens on-the-spot oil pipe and detects application software, the pound sign that input will detect in the dialog box jumped out, detection date, confirms; Click " setting " that detect interface, select suitable " detection specification ", then arrange a class and report to the police, namely tube wall hole threshold and two classes are reported to the police, i.e. wall thickness threshold;
(3) instrument calibration: with down-hole and detected oil pipe same specification, brand-new tubing nipple with material, and make 8 of the central point of pipe nipple and oil pipe detector to pop one's head in corresponding; The specification of detected oil pipe is set detecting interface, then with obtain 8 Well Logging Engineering values for measuring the unified benchmark of tube corrosion to be measured hole, the degree of depth of hole and the thickness of wall thickness wearing and tearing, carry out automatic Calibration benchmark;
(4) simulation test: with the new pipe in down-hole for object, carry out analog data acquisition, and simulation test is carried out to gathered 8 static logs, whether evenly observe curve, whether namely whether curve fluctuating range is less than 1mm, stablize, namely curve is straight, without drifting about up or down; Profiles uniform, carry out next step when stablizing, otherwise re-start " the instrument calibration " of previous step 3;
(5) oil pipe detects: with oil pipe to be measured for object carries out oil pipe detection and data acquisition; Utilize software by gathered 8 dynamic logging curve weighted calculation, form a class log and two class logs, wherein, a class log reflection wall erosion hole, hole depth, two class log reflection pipe thicknesses;
(6) situ appraisal: respectively with a class threshold and two class thresholds for benchmark, whether exceed arbitrary threshold according to profile amplitude, and the degree exceeded, above-mentioned two curves identified, distinguishes normal oil pipe, critical oil pipe and the oil pipe that transfinites;
(7) field labeled: distinctive mark is carried out to above-mentioned three kinds of oil pipes: normal oil pipe does not identify, critical oil effective yellow paint mark, the oil pipe red paint that transfinites identifies;
(8) equipment dismounting: after having detected, individually deposits critical oil pipe, the oil pipe that transfinites, normal oil pipe, preserves data, close inspection software, close and detect panel power supply, take communication cable apart, pull down well mouth oil pipe detector;
(9) examining report: add up all kinds of oil pipe data, write examining report, complete whole testing process;
Described oil pipe detector is YGJ-1 tubing on-site the cannot-harm-detection device, and its etch pit and hole resolving power are φ 1.2mm, and wall thickness wearing and tearing resolving power is 5% of wall thickness, detection speed is 1 ~ 60m/min, appearance and size is Φ 380mm × 310mm, and maximum diameter is Φ 110mm, sensor
Operating temperature be-40 DEG C ~ 85 DEG C, humidity is 0 ~ 90%;
Described cable is the coaxial jacketed cable of 12 core of length 100m, external diameter 8mm, band screen layer;
Described on-the-spot oil pipe inspection software is YGJ-1 nondestructive inspection system of tubing on-site;
The threshold that a described class is reported to the police and two classes are reported to the police is according to formula: k=110 △ h calculates, and wherein, △ h is the variable quantity of largest tube cinclides hole and the wall thickness allowed.
2. the online test method of tubing on-site according to claim 1, is characterized in that, described detection specification is two kinds of oil pipe specifications that external diameter is respectively 73mm and 89mm.
3. the online test method of tubing on-site according to claim 1, is characterized in that, the oil pipe standard of perfection in described step (6) is: every profile amplitude all below two thresholds for normal oil pipe; Arbitrary profile amplitude exceeds threshold, but is critical oil pipe within threshold 120%; What arbitrary profile amplitude exceeded threshold more than 120% is the oil pipe that transfinites.
4. the online test method of tubing on-site according to claim 1, it is characterized in that, described examining report at least comprises: the data file that 8 the calibration engineering numerical value recorded when the use historical archives of pound sign, client, detection unit, testing staff, detection date, oil pipe to be checked, oil pipe material to be checked, oil pipe to be checked sum, qualified oil pipe number, critical oil pipe number, the oil pipe number that transfinites, instrument calibration and all oil pipes to be measured record in testing process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310401024.3A CN103452544B (en) | 2013-09-06 | 2013-09-06 | The online test method of tubing on-site |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310401024.3A CN103452544B (en) | 2013-09-06 | 2013-09-06 | The online test method of tubing on-site |
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| CN103452544B true CN103452544B (en) | 2016-03-16 |
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| CN105952434B (en) * | 2016-04-07 | 2019-04-09 | 中国石油天然气集团公司 | The in-service oil jacket defective tube automatic judging method driven in real time based on well logging big data |
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| CN2276988Y (en) * | 1996-09-16 | 1998-03-25 | 牡丹江市采油专业工具厂 | On-line detector for length of oil pipe |
| CN2555395Y (en) * | 2002-06-28 | 2003-06-11 | 大庆油田有限责任公司 | Mechanical oil pipe inner diameter detector |
| CN2886566Y (en) * | 2006-02-20 | 2007-04-04 | 马成文 | Detector for non-destructive examination of well mouth oil pipe |
| CN201532379U (en) * | 2009-09-29 | 2010-07-21 | 安东石油技术（集团）有限公司 | On-line electromagnetic detector for in-service oil well pipe |
| CN201661851U (en) * | 2010-03-29 | 2010-12-01 | 荆州市先博石油科技有限公司 | Nondestructive testing and data remote transmitting device for oil tubes of oil field |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009263848B2 (en) * | 2008-06-27 | 2014-11-13 | Pii (Canada) Limited | Integrated multi-sensor non-destructive testing |
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Patent Citations (5)
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|---|---|---|---|---|
| CN2276988Y (en) * | 1996-09-16 | 1998-03-25 | 牡丹江市采油专业工具厂 | On-line detector for length of oil pipe |
| CN2555395Y (en) * | 2002-06-28 | 2003-06-11 | 大庆油田有限责任公司 | Mechanical oil pipe inner diameter detector |
| CN2886566Y (en) * | 2006-02-20 | 2007-04-04 | 马成文 | Detector for non-destructive examination of well mouth oil pipe |
| CN201532379U (en) * | 2009-09-29 | 2010-07-21 | 安东石油技术（集团）有限公司 | On-line electromagnetic detector for in-service oil well pipe |
| CN201661851U (en) * | 2010-03-29 | 2010-12-01 | 荆州市先博石油科技有限公司 | Nondestructive testing and data remote transmitting device for oil tubes of oil field |
Non-Patent Citations (3)
| Title |
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| 油管无损探伤技术在现场的应用;徐大书等;《石油天然气学报（江汉石油学院学报）》;20080630;第30卷(第3期);第395-396页 * |
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