CN101281082A - Detecting process of well control product and well head apparatus under high temperature gas medium state - Google Patents
Detecting process of well control product and well head apparatus under high temperature gas medium state Download PDFInfo
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- CN101281082A CN101281082A CN 200810044490 CN200810044490A CN101281082A CN 101281082 A CN101281082 A CN 101281082A CN 200810044490 CN200810044490 CN 200810044490 CN 200810044490 A CN200810044490 A CN 200810044490A CN 101281082 A CN101281082 A CN 101281082A
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Abstract
The invention discloses a detection technology for well control products and wellhead devices in conditions with high-temperature gaseous medium, comprising steps as follows: heating and stabilizing the air temperature of an inside cavity for measured objects to a rated high temperature of 60 DEG to 121 DEG; pressurizing a measured object to a rated working pressure of 1 to 140 MPa and stabilizing the pressure for 0.5 to 2 hours, collecting the temperature and pressure values of the measured object, deciding whether the quality and performance of the measured object is qualified according to fluctuations of the temperature and pressure values. Through pressure testing in high-temperature gaseous medium and increasing the temperature of the measured object, the invention can sufficiently simulate the sealability of the measured object in high environment temperature and gaseous medium to simulate the practical working condition to decide whether the quality and performance of the measured object meets the requirements of the site use.
Description
Technical field
The present invention relates to the detection method of a kind of oil drilling and extracting equipment under high temperature gas medium, relate in particular to a kind of well control product and the characterization processes of well head set-up under high temperature gas medium state.
Background technology
In the prior art, in implementing oil and gas well drilling engineering construction process, well control product and well head set-up all move in vibrations every day, also to bear all temps, pressure, so its performance is also in continuous variation, requirement for safety drilling, according to the rules, well control product and well head set-up are in use for some time, all will carry out Performance Detection, such detection at present not only will expend a large amount of time, and can only the bearing capacity of well control product and well head set-up simply be detected, still the detection evaluation that can not make quantification to the quality and the performance of well control product and well head set-up itself, therefore, at factory testing later well control product and well head set-up, in use from now on, still there is potential danger.At present, when preventer is detected, when using hydraulic pressure or hydraulic pressure that preventer is implemented the pressurization detection, a displacement measurement instrument is set in the upper end of preventer housing, when detecting pressurization and before the pressurization, preventer housing displacement situation longitudinally, numerical value and the setting with displacement compares then, greater than what stipulate, be considered as to continue using.Such detection mode can flow of metal detects to the preventer housing under the environment of factory, by detecting qualified preventer like this in factory, equipment is under different environment, difference in time, the performance of equipment is also constantly changing, so still can not be along with the situation of the real-time understanding preventer of carrying out of drilling engineering, therefore, still have bigger safety issue, and above-mentioned detection can only be at preventer.
At present, GB, rower, API, iso standard all require well-control equipment and well head set-up are carried out the compatibility test of high-temperature medium and low temperature environment, but the domestic checkout equipment that does not also have to implement it this test, also have only minority developed countries such as the U.S. to possess test condition abroad, reliability is lower when causing well control product and well head set-up to use, increase the incidence of security incident greatly, reduced the security in the drilling process.
Summary of the invention
The objective of the invention is to overcome the problems referred to above that well control product and the well head set-up detection of dynamic under high temperature gas medium state exists in the prior art, a kind of well control product and the characterization processes of well head set-up under high temperature gas medium state are provided, the present invention detects by the pressurization under high temperature gas medium state, detected member is heated up and lowers the temperature, can simulate the sealing property of detected member under high ambient temperature and gas medium state fully, simulate quality and the performance that actual operating mode detects detected member and whether satisfy on-the-spot request for utilization.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of well control product and the characterization processes of well head set-up under high temperature gas medium state is characterized in that: comprise a, detected member is installed on the pick-up unit, detected member is connected with pressue device again; B, detected member inner cavity chamber air themperature is heated to 60 ℃-121 ℃ of high temperature rated, and temperature is remained on the rated temperature value; C, unlatching pressue device are forced into rated operating pressure 1-140MPa with detected member; D, voltage stabilizing 0.5-2 hour, gather the temperature and pressure value of detected member, judge that according to the undulating quantity of temperature and pressure value detected member quality and performance be whether qualified after, pressure is reduced to OMPa, finish detection.
In the described d step, with the temperature and pressure value and rated temperature and the rated pressure contrast that collect, temperature fluctuation is in-11 ℃-+11 ℃, and pressure changes 5% or 3.45MPa less than rated pressure, judges that detected member quality and performance are qualified.
Described pick-up unit includes pressure testing flange and the pressue device that is connected with the pressure testing flange, and the two ends of detected member are connected on the pressure testing flange, is provided with well heater that detected member is heated and the temperature sensor that is used for collecting temperature on the pressure testing flange.
About described pressure testing flange is arranged on and can carries out, about and on the adjustable support regulated of front and back.
Described pressue device is an air compressor unit, and air compressor is connected with pressure testing hole on the pressure testing flange through hand valve, retaining valve.
A kind of well control product and the characterization processes of well head set-up under high temperature gas medium state comprise a, detected member are installed on the pick-up unit, detected member are connected with air compressor unit again; The well heater of b, open detection device is heated to 60 ℃-121 ℃ of high temperature rated with detected member inner cavity chamber air themperature, and utilizes computer control system that temperature is remained on the rated temperature value; C, unlatching air compressor unit are forced into rated pressure 1-140MPa with detected member; D, voltage stabilizing 0.5-2 hour, gather the temperature and pressure value of detected member, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judge that detected member quality and performance are qualified, open with communicating pipe that the pressure testing flange is communicated with on blowdown valve pressure is reduced to 0MPa, finish detection.
Employing the invention has the advantages that:
One, among the present invention, the pressure testing flange is provided with the well heater that detected member is heated, can directly heat up to detected member, at high temperature simulate the sealing property of detected member under the state of high temperature gas medium fully, simulate quality and the performance that actual operating mode detects detected member and whether satisfy on-the-spot request for utilization.
Two, the present invention has not only filled up domestic blank to the drilling-production equipment hot test, and can be the adaptability that relevant device uses in the state environmental baseline of various high temperature gas mediums indoor evaluation foundation is provided, provide reference to relevant device when design and select material and on-the-spot the use, to guarantee the dependability of relevant device.
Three, by well-control equipment and well head set-up after the present invention's detection, significantly reduced the incidence of security incident in the use under the high-temperature gas state, improved the security in the drilling process.
Four, among the present invention, about the pressure testing flange is arranged on and can carries out, about and on the adjustable support regulated of front and back, by regulate bolt detected member is carried out about, about and before and after the adjusting of three directions, easy to detect, improved the accuracy that detects.
Description of drawings
Fig. 1 is a pick-up unit structural representation of the present invention
Be labeled as among the figure: 1, pressure testing flange, 2, detected member, 3, well heater, 4, temperature sensor, 5, adjustable support, 6, hand valve, 7, retaining valve, 8, the pressure testing hole, 9, pressure transducer.
Embodiment
A kind of well control product and the characterization processes of well head set-up under high temperature gas medium state are mainly used in the detection by-pass valve control, comprise a, detected member is installed on the pick-up unit, and the end with detected member such as by-pass valve control is connected with air compressor unit again; The well heater of b, open detection device is heated to 60 ℃ of high temperature rated with detected member inner cavity chamber air themperature, and utilizes computer control system that temperature is remained on the rated temperature value; C, unlatching air compressor unit are forced into rated pressure 1MPa with detected member; D, voltage stabilizing 0.5 hour, gather the temperature and pressure value of detected member, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judges that detected member quality and performance are qualified, open with communicating pipe that the pressure testing flange is communicated with on blowdown valve pressure is reduced to 0MPa, finish detection, repeat above-mentioned steps and detect the by-pass valve control other end.
The present invention is used to detect by-pass valve control.Pick-up unit includes pressure testing flange 1 and the pressue device that is connected with pressure testing flange 1 among the present invention, the two ends of detected member 2 are connected on the pressure testing flange 1, are provided with well heater 3 that detected member 2 is heated and the temperature sensor 4 that is used for collecting temperature on pressure testing flange 1.Wherein, about pressure testing flange 1 is arranged on and can carries out, about and on the adjustable support 5 regulated of front and back.Pressue device is an air compressor unit, and air compressor unit is connected with pressure testing hole on the pressure testing flange 1 through hand valve 6, retaining valve 7, and the connection line between retaining valve 7 and the pressure testing hole 8 is provided with pressure transducer 9.
A kind of well control product and the characterization processes of well head set-up under high temperature gas medium state comprise a, detected member are installed on the pick-up unit, and the end with detected member such as by-pass valve control is connected with air compressor unit again; The well heater of b, open detection device is heated to 121 ℃ of high temperature rated with detected member inner cavity chamber air themperature, and utilizes computer control system that temperature is remained on the rated temperature value; C, unlatching air compressor unit are forced into rated pressure 140MPa with detected member; D, voltage stabilizing 2 hours, gather the temperature and pressure value of detected member, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judges that detected member quality and performance are qualified, open with communicating pipe that the pressure testing flange is communicated with on blowdown valve pressure is reduced to 0MPa, finish detection, repeat above-mentioned steps and detect the by-pass valve control other end.
Embodiment 3
A kind of well control product and the characterization processes of well head set-up under high temperature gas medium state comprise a, detected member are installed on the pick-up unit, and the end with detected member such as by-pass valve control is connected with air compressor unit again; The well heater of b, open detection device is heated to 80 ℃ of high temperature rated with detected member inner cavity chamber air themperature, and utilizes computer control system that temperature is remained on the rated temperature value; C, unlatching air compressor unit are forced into rated pressure 50MPa with detected member; D, voltage stabilizing 0.5-2 hour, gather the temperature and pressure value of detected member, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judges that detected member quality and performance are qualified, open with communicating pipe that the pressure testing flange is communicated with on blowdown valve pressure is reduced to 0MPa, finish detection, repeat above-mentioned steps and detect the by-pass valve control other end.
A kind of well control product and the characterization processes of well head set-up under high temperature gas medium state comprise a, detected member are installed on the pick-up unit, and the end with detected member such as by-pass valve control is connected with air compressor unit again; The well heater of b, open detection device is heated to 100 ℃ of high temperature rated with detected member inner cavity chamber air themperature, and utilizes computer control system that temperature is remained on the rated temperature value; C, unlatching air compressor unit are forced into rated pressure 100MPa with detected member; D, voltage stabilizing 1.5 hours, gather the temperature and pressure value of detected member, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judges that detected member quality and performance are qualified, open with communicating pipe that the pressure testing flange is communicated with on blowdown valve pressure is reduced to 0MPa, finish detection, repeat above-mentioned steps and detect the by-pass valve control other end.
A kind of well control product and the characterization processes of well head set-up under high temperature gas medium state comprise a, detected member are installed on the pick-up unit, and the end with detected member such as by-pass valve control is connected with air compressor unit again; The well heater of b, open detection device is heated to 110 ℃ of high temperature rated with detected member inner cavity chamber air themperature, and utilizes computer control system that temperature is remained on the rated temperature value; C, unlatching air compressor unit are forced into rated pressure 10MPa with detected member; D, voltage stabilizing 1 hour, gather the temperature and pressure value of detected member, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judges that detected member quality and performance are qualified, open with communicating pipe that the pressure testing flange is communicated with on blowdown valve pressure is reduced to 0MPa, finish detection, repeat above-mentioned steps and detect the detected member other end.
Obviously; those of ordinary skill in the art is according to technical know-how of being grasped and customary means; according to above said content, can also make the various ways that does not break away from the utility model basic fundamental thought, these pro forma conversion are all within protection domain of the present utility model.
Claims (6)
1, a kind of well control product and the characterization processes of well head set-up under high temperature gas medium state is characterized in that: comprise a, detected member is installed on the pick-up unit, detected member is connected with pressue device again; B, detected member inner cavity chamber air themperature is heated to 60 ℃-121 ℃ of high temperature rated, and temperature is remained on the rated temperature value; C, unlatching pressue device are forced into rated operating pressure 1-140MPa with detected member; D, voltage stabilizing 0.5-2 hour, gather the temperature and pressure value of detected member, judge that according to the undulating quantity of temperature and pressure value detected member quality and performance be whether qualified after, pressure is reduced to 0MPa, finish detection.
2, well control product according to claim 1 and the characterization processes of well head set-up under high temperature gas medium state, it is characterized in that: in the described d step, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judges that detected member quality and performance are qualified.
3, well control product according to claim 1 and the characterization processes of well head set-up under high temperature gas medium state, it is characterized in that: described pick-up unit includes pressure testing flange (1) and the pressue device that is connected with pressure testing flange (1), the two ends of detected member (2) are connected on the pressure testing flange (1), are provided with well heater (3) that detected member (2) is heated and the temperature sensor (4) that is used for collecting temperature on pressure testing flange (1).
4, well control product according to claim 3 and the characterization processes of well head set-up under high temperature gas medium state is characterized in that: about described pressure testing flange (1) is arranged on and can carries out, about and on the adjustable support (5) regulated of front and back.
5, according to claim 3 or 4 described well control products and the characterization processes of well head set-up under high temperature gas medium state, it is characterized in that: described pressue device is an air compressor unit, and air compressor unit is connected with pressure testing hole (8) on the pressure testing flange (1) through hand valve (6), retaining valve (7).
6, well control product according to claim 5 and the characterization processes of well head set-up under high temperature gas medium state is characterized in that: comprise a, detected member is installed on the pick-up unit, detected member is connected with air compressor unit again; The well heater of b, open detection device is heated to 60 ℃-121 ℃ of high temperature rated with detected member inner cavity chamber air themperature, and utilizes computer control system that temperature is remained on the rated temperature value; C, unlatching air compressor unit are forced into rated pressure 1-140MPa with detected member; D, voltage stabilizing 0.5-2 hour, gather the temperature and pressure value of detected member, with temperature and pressure value and rated temperature and the rated pressure contrast that collects, temperature fluctuation is in-11 ℃-+11 ℃, pressure changes 5% or 3.45MPa less than rated pressure, judge that detected member quality and performance are qualified, open with communicating pipe that the pressure testing flange is communicated with on blowdown valve pressure is reduced to 0MPa, finish detection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810044490 CN101281082B (en) | 2008-05-30 | 2008-05-30 | Detecting process of well control product and well head apparatus under high temperature gas medium state |
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| CN 200810044490 CN101281082B (en) | 2008-05-30 | 2008-05-30 | Detecting process of well control product and well head apparatus under high temperature gas medium state |
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| CN101281082B CN101281082B (en) | 2012-07-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592149A (en) * | 2013-11-11 | 2014-02-19 | 中国航空工业集团公司沈阳发动机设计研究所 | High-temperature and high-pressure wire leading structure used for gas turbine hollow air-cooling blade cooling effect test |
| CN108181182A (en) * | 2017-12-15 | 2018-06-19 | 中国石油集团川庆钻探工程有限公司 | The method for testing performance of tubing head and casing head |
-
2008
- 2008-05-30 CN CN 200810044490 patent/CN101281082B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592149A (en) * | 2013-11-11 | 2014-02-19 | 中国航空工业集团公司沈阳发动机设计研究所 | High-temperature and high-pressure wire leading structure used for gas turbine hollow air-cooling blade cooling effect test |
| CN103592149B (en) * | 2013-11-11 | 2016-04-27 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of combustion engine hollow air-cooled blade cooling effect test High Temperature High Pressure pin configuration |
| CN108181182A (en) * | 2017-12-15 | 2018-06-19 | 中国石油集团川庆钻探工程有限公司 | The method for testing performance of tubing head and casing head |
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| CN101281082B (en) | 2012-07-11 |
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Owner name: CHINA PETROLEUM GROUP CHUANQING DRILLING ENGINEER Free format text: FORMER OWNER: SICHUAN PETROLEUM ADMINISTRATION APPLICANT ADDRESS Effective date: 20081128 |
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Effective date of registration: 20081128 Address after: 3, 1 Star Road, Chengdu, Sichuan, Chenghua District, China: 610000 Applicant after: Chuanqing Drilling Engineering Co., Ltd. of China National Petroleum Corporation Address before: 3, 1 Star Road, Chengdu, Sichuan, Chenghua District, China: 610000 Applicant before: Sichuan Petroleum Administration |
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Effective date of registration: 20201009 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: 610000, No. 1, Hongxing Road, Chengdu, Sichuan, Chenghua District 3 Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |