CN108692889A - A kind of mobile pneumatic sealing test system can be applied to Oil Field - Google Patents
A kind of mobile pneumatic sealing test system can be applied to Oil Field Download PDFInfo
- Publication number
- CN108692889A CN108692889A CN201810722594.5A CN201810722594A CN108692889A CN 108692889 A CN108692889 A CN 108692889A CN 201810722594 A CN201810722594 A CN 201810722594A CN 108692889 A CN108692889 A CN 108692889A
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- pressure
- vehicle
- group
- supercharging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A kind of mobile pneumatic sealing test system can be applied to Oil Field, setting device are installed to wellhead equipment, and the internal pressure channel of pit shaft and wellhead equipment is completely cut off, and nitrogen generating vehicle provides the low-pressure nitrogen and driving air source of qualified purity to nitrogen supercharging vehicle;The nitrogen that nitrogen supercharging vehicle inputs nitrogen generating vehicle carries out supercharging or secondary booster, exports high pressure nitrogen, is provided simultaneously with the test function of hydraulic pressure, and provide the power supply of a full set of detection device;One central processing switch board, Automatic Control boosting, voltage stabilizing and decompression overall process are installed in instrument cab, and record trial curve in real time.Structure of the invention integrated level is high, mobility strong, and Site Detection can be carried out according to different wellhead equipment pressure test process, flexible and efficient.
Description
Technical field
The present invention relates to field of oilfield exploitation, the more particularly to mobile pneumatic sealing test system of Oil Field.
Background technology
It recovers the oil(Gas)The wellhead equipments such as tree, preventer are mainly used for fluid conveying and the control of oil/gas well, are typically mounted at
Flow string entrance.It can bear high pressure for a long time during military service, temperature and pressure fluctuates also than more significant, it is also possible to by
The gas attacks such as hydrogen sulfide.If wellhead equipment hermetic seal is failed, production of hydrocarbons is not only influenced, work on the spot can be also seriously threatened
The safety of personnel and peripheral equipment lead to catastrophic production accident, and seriously affect the image and reputation of enterprise.It uses at present
Method pressure testing is carried out using gases such as hydraulic pressure or nitrogen to wellhead assembly, mainly in well control workshop to determine wellhead assembly
Cause bearing capacity insufficient with the presence or absence of due to defect caused by manufacture and storage and transport process.Such pressure testing result, can not
It is exactly later reliable to represent practical well head installation.Pressure testing later wellhead assembly in workshop is actually carried out when well site is installed
Re-assembly, if in-site installation is unreasonable or wellhead assembly component damages in transportational process, it is entirely possible cause it is close
The problems such as unreliable, bearing capacity is insufficient is sealed, so as to cause production accident.
Invention content
The present invention is intended to provide a kind of mobile pneumatic sealing test system, can be used for the live hermetic seal inspection of wellhead equipment
It surveys, solves the above problem well, structure assembly degree is high, and mobility strong can be according to different wellhead equipment pressure testing works
Skill carries out Site Detection, flexible and efficient.
To achieve the above object, the technical scheme is that:
A kind of mobile pneumatic sealing test system can be applied to Oil Field, including:Measuring truck 1, nitrogen supercharging vehicle 2, nitrogen hair
Raw vehicle 3, setting device 7, it is characterised in that:The installation of setting device 7 is on wellhead equipment 4, completely cutting off the interior of pit shaft and wellhead equipment
Portion's pressure channel, nitrogen generating vehicle 3 provide the low-pressure nitrogen and driving air source of qualified purity to nitrogen supercharging vehicle 2;Nitrogen supercharging
The nitrogen that vehicle 2 inputs nitrogen generating vehicle 3 carries out supercharging or secondary booster, exports high pressure nitrogen, is provided simultaneously with the experiment of hydraulic pressure
Function, and the power supply of a full set of detection device is provided;One central processing switch board of installation in instrument cab 3, Automatic Control boosting,
Voltage stabilizing and decompression overall process, and trial curve is recorded in real time.
Further include video monitoring head 5, video monitoring head 5 is positioned over 4 surrounding of wellhead equipment, and transfers data to instrument cab
3, instrument cab 3 supervises the hermetic seal leakage situation of wellhead assembly in pressure maintaining period by leak detection device, while realizing live ring
Border monitors.
Nitrogen vehicle 3 processed includes:Automobile chassis 301, air compression sledge group 302, absorption nitrogen sledge group 311 processed, the control of setting device
Case 310, absorption nitrogen sledge group 311 processed from front to back successively by piping filter 303, cooling driers 304, fine filter group 305,
Oil water separator 306, compressed air reservoir 307, absorption type nitrogen tower 308 and nitrogen storage tank 309 form, and surrounding air is by empty
Air pressure contracting sledge group 302 is compressed, using pipeline piping filter 303, cooling driers 304, fine filter group 305 and oil water separator
The compressed air of purification is obtained after 306 purifications, is stored in compressed air reservoir 307, compressed air reservoir 307 divides for two-way,
It is all the way that nitrogen supercharging vehicle 2 provides driving air source by pipeline, another way generates 99% purity nitrogen by absorption type nitrogen tower 308
Gas is stored in nitrogen storage tank 309.
Nitrogen supercharging vehicle 2 includes:Chassis 401, generator sled group 402, mesohigh pressure charging system and hydraulic pressure detecting system sledge
Group 409, live release cabinet 408, power distribution cabinet 403 form, and generator sled group 402 provides 380V voltages, field unloading for whole system
Pressure cabinet 408 is seated to when being used as remote pressure discharger near well head, and power distribution cabinet 403 is that whole system carries out electric power point
Match, mesohigh pressure charging system and hydraulic pressure detecting system sledge group 409 are from front to back successively by middle press 404, medium pressure nitrogen gas cylinders group
405, nitrogen high pressure supercharger 406, hydrostatic testing machine 407 form, and the nitrogen to come from 3 nitrogen storage tank 309 of nitrogen vehicle processed passes through
After middle press compression, 0 ~ 42MPa nitrogen storages are generated in medium pressure nitrogen gas cylinders group 405, nitrogen high pressure supercharger 406 is pressurized
To 42 ~ 140MPa for wellhead equipment hermetic seal pressure testing, chatted nitrogen high pressure supercharger 406 is used for nitrogen supercharging, the water pressure test
Machine 407 generates 0 ~ 140MPa high pressure waters and carries out the water pressure test for wellhead equipment.
Beneficial effects of the present invention:
1, mobile pneumatic sealing test system can carry out it in the case where wellhead assembly is not dismantled hydraulic pressure, airtight testing sealing, keep away
The leakage problem transported after wellhead assembly workshop is detected and in-site installation occurs is exempted from, the petroleum drilling and mining peace for eliminating therefore bringing
Full blast danger.
2, the system maneuverability is strong, can reach all land wellhead assemblies at present and carries out live hydraulic pressure, airtight testing sealing,
Well site, field-mounted process are transported back after saving wellhead equipment dismounting, transport, shop test, while also avoiding the above process
The caused oil-gas mining off-time, produce larger economic benefit.
3, the airtight testing sealing of the system integration and water pressure test function, set of system can meet live gas and water high-potting.
Description of the drawings
Fig. 1 is system for field work layout drawing;
Fig. 2 is System Working Principle;
Fig. 3 is nitrogen vehicle layout drawing processed;
Fig. 4 is nitrogen supercharging vehicle layout drawing;
Fig. 5 is instrument cab layout drawing.
Specific implementation mode
The specific implementation mode that 1-5 is further illustrated the present invention below in conjunction with the accompanying drawings.
The field layout of the present invention completely cuts off pit shaft and well head as shown in Figure 1, by the installation to wellhead equipment 4 of setting device 7
The internal pressure channel of equipment outside successively will carry out nitrogen generating vehicle 3, nitrogen supercharging vehicle 2, measuring truck 1 for 50 meters apart from well head
It puts, live release cabinet is placed near wellhead equipment 4, and 4 video monitoring heads 5 are positioned over 4 surrounding of wellhead equipment, and connection is all
Power cord, signal wire, monitoring line and high-pressure hose, start mobile pneumatic sealing test system, you can water is carried out to wellhead equipment
Pressure, airtight testing sealing.
The experiment work flow of the present invention is monitoring system 203 and whole as shown in Fig. 2, start generator system 201 first
A unit power supply 202, surrounding air 204 generate 1MPa compressed airs 206, compressed air after the compression of vehicle-mounted air compressor 205
206 after the purification of air cleaning unit 207, obtains purification of compressed air 208, and purification of compressed air 208 divides for two parts, and one
Part is used as nitrogen unstripped gas 209 processed, and another part is as driving air source 210.Nitrogen unstripped gas 209 processed passes through absorption type nitrogen-making device
After 211, high-purity low-pressure nitrogen 212 is generated, then low-pressure nitrogen 212 is pressurized by medium pressure nitrogen gas pressure charging system 213,
The medium pressure nitrogen gas 216 of 0 ~ 42Mpa is generated, this medium pressure nitrogen gas 216 can be directly used for the hermetic seal of 0 ~ 42M Pa in pressure testing 220
Experiment, if test pressure is more than 42MPa, pressurized air source enters high pressure nitrogen pressure charging system 214 during medium pressure nitrogen gas is used as, and is driving
Under the driving of air source 210, the high pressure nitrogen 218 of 42 ~ 140MPa is generated, the hermetic seal for 42 ~ 140MPa in pressure testing 220
Experiment.In addition, water test unit 215 is driven in driving air source 210, generates the hydraulic pressure 219 of 0 ~ 140MPa, can be used for pressure
The water pressure test of 0 ~ 140MPa in experiment 220.Monitoring system 203 is responsible for the video monitoring, device status monitoring, examination of whole system
Process control and leakage loss monitoring are tested, detection 203 is monitored to entire experiment work.
As shown in figure 3,3 chassis of nitrogen vehicle processed, using northern load-carrying cross-country automobile chassis 301 of running quickly, upper dress is mainly that air compresses sledge
Group 302, absorption nitrogen sledge group 311 processed, setting device control cabinet 310 composition.Absorption nitrogen sledge group 311 processed from front to back successively by
Piping filter 303, cooling driers 304, fine filter group 305, oil water separator 306, compressed air reservoir 307, absorption type system
Nitrogen tower 308 and nitrogen storage tank 309 form.Surrounding air is compressed by air compression sledge group 302, using pipeline piping filter
303, cooling driers 304, fine filter group 305 and oil water separator 306 obtain the compressed air of purification after purifying, and are stored in compression
In air reservoir 307.Chatted compressed air reservoir 307 divides for two-way, is all the way that nitrogen supercharging vehicle 2 provides driving gas by pipeline
Source, another way generate 99% purity nitrogen gas by absorption type nitrogen tower 308 and are stored in nitrogen storage tank 309.
As shown in figure 4,2 chassis of nitrogen supercharging vehicle is using northern load-carrying cross-country automobile chassis 401 of running quickly, upper dress is mainly by generator
Sled group 402, mesohigh pressure charging system and hydraulic pressure detecting system sledge group 409, live release cabinet 408, power distribution cabinet 403 form, described
Generator sled group 402 provides 380V voltages for whole system, and the scene release cabinet 408 is used as remote pressure discharger
When be seated near well head, the power distribution cabinet 403 is that whole system carries out electric power distribution, the mesohigh pressure charging system and hydraulic pressure
Detecting system sledge group 409 is from front to back successively by middle press 404, medium pressure nitrogen gas cylinders group 405, nitrogen high pressure supercharger 406, hydraulic pressure
Testing machine 407 forms, and the nitrogen to come from 3 nitrogen storage tank 309 of nitrogen vehicle processed generates 0 ~ 42MPa nitrogen after middle press compression
Gas is stored in medium pressure nitrogen gas cylinders group 405, and 0 ~ 42MPa nitrogen can pressurized treatment be supplied to by nitrogen high pressure supercharger 406
Wellhead equipment carries out 0 ~ 42MPa hermetic seal pressure testings, if need to further be pressurized, the medium pressure nitrogen gas in medium pressure nitrogen gas cylinders group 405 passes through again
It crosses nitrogen high pressure supercharger 406 and be pressurized to 42 ~ 140MPa for wellhead equipment hermetic seal pressure testing, chatted nitrogen high pressure supercharger
406 drive air sources to make the compressed air reservoir 307 on nitrogen vehicle 3 by oneself.Individually, the compressed air reservoir 307 on nitrogen vehicle 3 processed carries
The air source of confession can drive hydrostatic testing machine 407 to generate 0 ~ 140MPa high pressure waters and carry out the water pressure test for wellhead equipment.
As shown in figure 5,1 chassis of instrument cab use iveco three classes passenger-carrying chassis 501, upper dress central processing switch board 502,
1 side setting signal line interface case 503 of instrument cab, the remote console 501 can to entire experiment work carry out video monitoring,
Device status monitoring, experiment process control and leakage loss monitoring.
Claims (4)
1. a kind of mobile pneumatic sealing test system can be applied to Oil Field, including:Measuring truck(1), nitrogen supercharging vehicle(2),
Nitrogen generating vehicle(3), setting device(7), it is characterised in that:Setting device(7)It installs to wellhead equipment(4)On, completely cut off pit shaft
With the internal pressure channel of wellhead equipment, nitrogen generating vehicle(3)To nitrogen supercharging vehicle(2)There is provided qualified purity low-pressure nitrogen and
Drive air source;Nitrogen supercharging vehicle(2)By nitrogen generating vehicle(3)The nitrogen of input carries out supercharging or secondary booster, exports elevated pressure nitrogen
Gas, is provided simultaneously with the test function of hydraulic pressure, and provides the power supply of a full set of detection device;Instrument cab(3)One centre of interior installation
Switch board, Automatic Control boosting, voltage stabilizing and decompression overall process are managed, and records trial curve in real time.
2. a kind of mobile pneumatic sealing test system can be applied to Oil Field according to claim 1, it is characterised in that:
It further include video monitoring head(5), video monitoring head(5)It is positioned over wellhead equipment(4)Surrounding, and transfer data to instrument cab
(3), instrument cab(3)The hermetic seal leakage situation of wellhead assembly is supervised by leak detection device in pressure maintaining period, while being realized existing
Field environmental monitoring.
3. a kind of mobile pneumatic sealing test system can be applied to Oil Field according to claim 1 or 2, feature exist
In:Nitrogen vehicle processed(3)Including:Automobile chassis(301), air compress sledge group(302), absorption nitrogen sledge group processed(311), setting device control
Case processed(310), the absorption nitrogen sledge group processed(311)From front to back successively by piping filter(303), cooling driers(304), smart mistake
Filter group(305), oil water separator(306), compressed air reservoir(307), absorption type nitrogen tower(308)And nitrogen storage tank
(309)Composition, surrounding air compress sledge group by air(302)Compression, using pipeline piping filter(303), cooling driers
(304), fine filter group(305)And oil water separator(306)The compressed air that purification is obtained after purification, is stored in compressed air
Storage tank(307)In, compressed air reservoir(307)It is divided into two-way, is all the way nitrogen supercharging vehicle by pipeline(2)Driving gas is provided
Source, another way pass through absorption type nitrogen tower(308)It generates(99)% purity nitrogen gas is stored in nitrogen storage tank(309)In.
4. a kind of mobile pneumatic sealing test system can be applied to Oil Field according to claim 3, it is characterised in that:
Nitrogen supercharging vehicle(2)Including:Chassis(401), generator sled group(402), mesohigh pressure charging system and hydraulic pressure detecting system sledge group
(409), live release cabinet(408), power distribution cabinet(403)Composition, generator sled group(402)380V voltages are provided for whole system,
Live release cabinet(408)It is seated near well head when being used as remote pressure discharger, power distribution cabinet(403)For whole system
Carry out electric power distribution, mesohigh pressure charging system and hydraulic pressure detecting system sledge group(409)From front to back successively by middle press(404),
Medium pressure nitrogen gas cylinders group(405), nitrogen high pressure supercharger(406), hydrostatic testing machine(407)Composition, from nitrogen vehicle processed(3)Nitrogen storage tank
(309)In the nitrogen that comes after middle press compression, generate 0-42MPa nitrogen storages in medium pressure nitrogen gas cylinders group(405)In, nitrogen
Gas high pressure supercharger(406)42-140MPa be pressurized to for wellhead equipment hermetic seal pressure testing, chatted nitrogen high pressure supercharger
(406)For to nitrogen supercharging, hydrostatic testing machine(407)It generates 0-140MPa high pressure waters and carries out the water pressure test for wellhead equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722594.5A CN108692889A (en) | 2018-07-04 | 2018-07-04 | A kind of mobile pneumatic sealing test system can be applied to Oil Field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722594.5A CN108692889A (en) | 2018-07-04 | 2018-07-04 | A kind of mobile pneumatic sealing test system can be applied to Oil Field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108692889A true CN108692889A (en) | 2018-10-23 |
Family
ID=63850203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810722594.5A Pending CN108692889A (en) | 2018-07-04 | 2018-07-04 | A kind of mobile pneumatic sealing test system can be applied to Oil Field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692889A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232938A (en) * | 2020-04-29 | 2020-06-05 | 山东恒业石油新技术应用有限公司 | Vehicle-mounted fast-moving type high-purity PSA nitrogen making and injecting equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202246067U (en) * | 2011-08-26 | 2012-05-30 | 托格（上海）压缩机有限公司 | Multifunctional operating system of vehicle-mounted device for preparing nitrogen by using membrane |
| US20130073227A1 (en) * | 2007-06-21 | 2013-03-21 | Petrotechnologies, Inc. | System and method for testing fluid seals for leaks |
| CN103728124A (en) * | 2013-06-27 | 2014-04-16 | 四川海普流体技术有限公司 | Vehicle-mounted pressure testing equipment |
| CN106507777B (en) * | 2012-10-11 | 2014-10-22 | 潍坊伟士昕气体设备有限公司 | Efficient nitrogen purification supercharger processed |
| CN104975830A (en) * | 2015-07-02 | 2015-10-14 | 中国石油天然气股份有限公司 | Device and method for movable nitrogen production and nitrogen injection |
| CN207108487U (en) * | 2017-05-02 | 2018-03-16 | 江苏同悦气体系统有限公司 | Mobile skid-mounted nitrogen gas generating system |
-
2018
- 2018-07-04 CN CN201810722594.5A patent/CN108692889A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130073227A1 (en) * | 2007-06-21 | 2013-03-21 | Petrotechnologies, Inc. | System and method for testing fluid seals for leaks |
| CN202246067U (en) * | 2011-08-26 | 2012-05-30 | 托格（上海）压缩机有限公司 | Multifunctional operating system of vehicle-mounted device for preparing nitrogen by using membrane |
| CN106507777B (en) * | 2012-10-11 | 2014-10-22 | 潍坊伟士昕气体设备有限公司 | Efficient nitrogen purification supercharger processed |
| CN103728124A (en) * | 2013-06-27 | 2014-04-16 | 四川海普流体技术有限公司 | Vehicle-mounted pressure testing equipment |
| CN104975830A (en) * | 2015-07-02 | 2015-10-14 | 中国石油天然气股份有限公司 | Device and method for movable nitrogen production and nitrogen injection |
| CN207108487U (en) * | 2017-05-02 | 2018-03-16 | 江苏同悦气体系统有限公司 | Mobile skid-mounted nitrogen gas generating system |
Non-Patent Citations (1)
| Title |
|---|
| 秦建林 等: "车载移动式制氦机组的配置与应用", 《石油和化工设备》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232938A (en) * | 2020-04-29 | 2020-06-05 | 山东恒业石油新技术应用有限公司 | Vehicle-mounted fast-moving type high-purity PSA nitrogen making and injecting equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201261417Y (en) | Combination of special apparatus detector and special automobile | |
| CN108760361B (en) | Shield tunneling machine fault monitoring and early warning system and method | |
| CN105804757B (en) | Carbon dioxide fracturing device integrates mobile workstation and filled, repair method | |
| CN107449569B (en) | Shield tail brush sealing performance testing device and testing method thereof | |
| CN105352677A (en) | Sealing testing apparatus of power battery pack | |
| CN108693315B (en) | In-situ multifunctional high-temperature high-pressure displacement and drainage-mining simulation test system and test method | |
| CN107246958B (en) | Performance test equipment and method for central rotary joint of shield tunneling machine | |
| CN103745625B (en) | A kind of emergency leakage blocking simulated fire fighting training device with pressure | |
| CN110308052B (en) | Hollow rock sample radial seepage test device and test method based on acoustic emission technology | |
| CN108845038A (en) | A kind of valve water test unit and test method | |
| CN108692889A (en) | A kind of mobile pneumatic sealing test system can be applied to Oil Field | |
| CN204718753U (en) | Valve body air tightness detection equipment | |
| CN204330303U (en) | A kind of checkout equipment of pantograph carbon slide | |
| CN101509605A (en) | Method for recovering relief gas in process for examining and repairing gas pipe network | |
| CN104266807A (en) | Method for detecting valve air tightness through high-flow high-voltage gas source | |
| CN105043731A (en) | Contractive packer simulation test device and test method | |
| CN109060275A (en) | A kind of car deceleration device shell air tightness detection apparatus and its detection method | |
| CN112483904B (en) | Pipeline monitoring equipment and monitoring method for hydrogen system | |
| CN109099312A (en) | Cold drum or crude benzol workshop section emission-control equipment and the method for intelligent pressure maintaining and control oxygen | |
| CN113833449B (en) | While-drilling monitoring system and method for underground coal mine gas directional drilling | |
| CN116086990A (en) | Performance test system for ram preventer ram assembly | |
| CN106427973B (en) | Screening method for relay valve of CRH380 series motor train unit | |
| CN206696075U (en) | A kind of fracturing unit pipe fitting burst pressure detection device | |
| CN110007363B (en) | Buried cable loss reporting system | |
| CN209356142U (en) | A kind of car deceleration device shell air tightness detection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181023 |