CN203531888U - Multiple-point temperature and pressure monitoring system of oil recovery well - Google Patents
Multiple-point temperature and pressure monitoring system of oil recovery well Download PDFInfo
- Publication number
- CN203531888U CN203531888U CN201320674017.6U CN201320674017U CN203531888U CN 203531888 U CN203531888 U CN 203531888U CN 201320674017 U CN201320674017 U CN 201320674017U CN 203531888 U CN203531888 U CN 203531888U
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- Prior art keywords
- armour pipe
- pipe
- producing well
- capillary tube
- armour
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- 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.)
- Expired - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title abstract description 8
- 238000011084 recovery Methods 0.000 title abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 29
- 229910002804 graphite Inorganic materials 0.000 claims description 23
- 239000010439 graphite Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 239000000725 suspension Substances 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 239000003129 oil well Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005094 computer simulation Methods 0.000 abstract 1
- 230000026676 system process Effects 0.000 abstract 1
- 238000009530 blood pressure measurement Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Abstract
The utility model provides a multiple-point temperature and pressure monitoring system of an oil recovery well and belongs to the technical field of oil recovery well monitoring. An inclined well opening of the oil recovery well is fixed on the ground through a well opening flange, and the system comprises a first sheathed pipe, a second sheathed pipe, a thermoelectric couple, a pressure sensor, a data acquisition system, a first capillary pipe, a second capillary pipe and a hanging and sealing device. The multiple-point temperature and pressure monitoring system is convenient to operate when a testing sheathed pipe is inserted or pulled out, the continuous steel pipe is prevented from being cut off, and the cost required by the continuous steel pipe inserting or pulling-out operation is low. The system is small in occupied space and suitable for installation of a large pump, the problem that the large pump cannot be installed due to an insufficient space is solved, acquisition of multiple-point temperatures and pressure dynamic simulation signals under the oil recovery well can be achieved, and the data acquisition system processes acquired signals to obtain an underground temperature and a pressure numerical value. The system can achieve continuous temperature and pressure monitoring of an oil well in an oil recovery complete period and achieve monitoring and adjustment of an oil well working state.
Description
Technical field
The utility model belongs to producing well monitoring technical field, is specifically related to a kind of producing well multi-point temp and pressure monitor system.
Background technology
In SAGD oil recovery production technique, need to know at any time pressure and the temperature of down-hole, to reach the object of timely adjustment steam injection parameter.The detection of oil well parameter is a complicated job, due to the restriction of well head caliber, and the complexity of subsurface environment, conventionally requires hundreds of rice, the distant signal transmission of km even in addition, to detection, brings certain difficulty.Prior art is at diameter
φthe continuous steel pipe of 25.4mm is inserted 2 thermocouple steel armours (every containing 3 thermocouples, for thermometric), and 2 capillaries (for pressure measurement).In practical application there is following problem in this method:
(1) every subjob all needs continuous steel pipe to cut off, and again connects every pipe and holding wire, has certain difficulty;
(2) removing continuous steel pipe needs special working vehicle, and expense is high;
(3), due to the remaining insufficient space 160mm of pit shaft, therefore can not install
φ140 large pump.
In prior art, patent of invention " ultra-thick oil down-hole temperature, pressure double parameter (multiple spot) dynamic measurement system (200710158745.0) ", introduces a kind of system that adopts armoured thermocouple and capillary tube to carry out thermometric pressure measurement.Its armoured thermocouple external diameter is
f2-6, capillary tube external diameter is
f6.Sensor section is 6T/2P, and the capillary tube that the armoured thermocouple that thermometric is used and pressure measurement are used is all placed directly in the armour cover the inside that material is 1Cr18Ni9Ti.Its shortcoming is that external diameter is large, can not solve
φ140 large pump installation question.
Summary of the invention
The problem existing for prior art, the utility model provides a kind of producing well multi-point temp and pressure monitor system.
The technical solution of the utility model is:
A kind of producing well multi-point temp and pressure monitor system, the slope mouth of producing well fixes on the ground by wellhead flange, by the slope mouth flange on well head, go up regularly and underground two parts, this system comprises the first armour pipe, the second armour pipe, thermocouple, pressure sensor, data collecting system, the first capillary tube, the second capillary tube, suspension and sealing device;
One end of described the first armour pipe is fixedly mounted on the slope mouth place of producing well by suspension and sealing device, the other end of the first armour pipe is placed in producing well through slope mouth;
Described the second armour pipe, the first capillary tube be encapsulated in first armour pipe inside parallel with the second capillary tube;
In described the second armour pipe, be packaged with many thermocouples, and the thermometric end of each thermocouple is separately fixed at the different temperature measurement locations of the second armour pipe inside, the cold junction connection data acquisition system of each thermocouple;
The first capillary tube front end is fixed on producing well bottom the first armour pipe front end;
One end that the second capillary tube is positioned at producing well is fixed in the middle of the pipeline of the first armour pipe;
First other end capillaceous, second other end capillaceous are all connected with the input of pressure sensor, the output connection data acquisition system of pressure sensor.
Described the first capillary tube and the second capillary tube are all filled with nitrogen.
In described the second armour pipe, be filled with magnesia.
Described suspension and sealing device are fixedly mounted in slope mouth by jackscrew, suspension and sealing device comprise seal, suspender, backing plate, top board, lower bolster, upper flange, graphite packing and packing box, and it is outside that seal, suspender, backing plate, top board, lower bolster, upper flange, graphite packing and packing box are all enclosed within the first armour pipe;
Suspender is three-jaw structure, this inside configuration is provided with screw thread, it is outside that suspender is clipped in the first armour pipe, and backing plate is positioned at suspender top, and lower bolster is positioned at backing plate top, seal is positioned at lower bolster top, top board is positioned at seal top, and upper flange is positioned at top board top, and graphite packing is positioned at upper flange top, packing box is positioned at graphite packing top, and the first armour pipe of graphite packing top has clamp nut.
Described seal is graphite pads.
Beneficial effect:
(1) inject or easy to operate while tripping out test armour pipe, avoid continuous steel pipe to cut off;
(2) inject or to trip out continuous steel pipe expense low;
(3) take up room littlely, large pump be applicable to be installed, solved wellbore space deficiency large pump problem can not be installed;
(4) adopt graphite packing to carry out secondary seal;
(5) can complete the collection of multi-point temp under producing well, pressure dynamic analog signal, and by data collecting system, processed according to the signal gathering out temperature, the pressure on the number value (screen display) that draws down-hole, this system can realize well recovery complete period temperature and pressure is monitored continuously, test data can be for management, decision-making section is analyzed and study the dynamic process of downhole temperature, pressure distribution, realize to Oil Well Working monitoring with adjust.
Accompanying drawing explanation
Fig. 1 is producing well multi-point temp and the pressure monitor system structural representation of the utility model specific embodiment;
Fig. 2 is the cross sectional representation of the first armour pipe of the utility model specific embodiment;
Wherein, 1-point for measuring temperature T1,2-point for measuring temperature T2,3-point for measuring temperature T3,4-point for measuring temperature T4,5-point for measuring temperature T5,6-point for measuring temperature T6,7-pressure tap P1,8-pressure tap P2,9-the first armour pipe, 10-the second armour pipe, 11-the second capillary tube, 12-ground, 13-the first capillary tube, 14-wellhead flange, 15-slope mouth, 16-cylindrical inner cone, 17-three-jaw structure, 18-graphite pads, 19-jackscrew, 20-upper flange, 21-graphite packing, 22-packing box, 23-top board, 24-lower bolster, 25-backing plate, 26-clamp nut.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.
In present embodiment, the slope mouth of producing well fixes on the ground by wellhead flange, producing well multi-point temp and pressure monitor system, comprise the first armour pipe, the second armour pipe, thermocouple, pressure sensor, data collecting system, the first capillary tube, the second capillary tube, suspension and sealing device.
The first armour pipe is external diameter 18mm armored pipes, and the second armour pipe is the armored pipes of external diameter 8mm, and the first armour pipe and the second armour tube material are 0Cr18Ni9Ti; The first capillary tube, the second external diameter capillaceous are F3.17 ~ 4mm; Data acquisition system adopted microprocessor, pressure sensor adopts conventional device of the prior art, pressure sensor section is 6T/2P structure, and the thermocouple of 6 external diameter F1.75 that thermometric is used, filling magnesium oxide material is encapsulated in the second armour pipe the inside of an external diameter 8mm.What pressure measurement was used is that 2 external diameters are F3.17 ~ 4mm capillary tube, together packs the first armour pipe (being coiled tubing) the inside into the second armour pipe of external diameter 8mm.
As shown in Figure 1, one end of the first armour pipe 9 is fixedly mounted on the slope mouth place of producing well by suspension and sealing device, and on ground 12, the other end of the first armour pipe 9 is placed in producing well through slope mouth 15; The second armour pipe 10, the first capillary tube 13 be encapsulated in first armour pipe 9 inside parallel with the second capillary tube 11.After encapsulation, the cross section of the first armour pipe 9 as shown in Figure 2.
In the second armour pipe 10, be packaged with many thermocouples, and the thermometric end of each thermocouple is separately fixed at the different temperature measurement locations of the second armour pipe 10 inside, the cold junction connection data acquisition system of each thermocouple, in present embodiment, thermocouple has 6, the thermometric end of 6 thermocouples is separately fixed at 6 points for measuring temperature (1 in Fig. 1,2,3,4,5,6) of the second armour pipe 10 inside, i.e. point for measuring temperature T1, point for measuring temperature T2, point for measuring temperature T3, point for measuring temperature T4, point for measuring temperature T5 and point for measuring temperature T6.
One end that is arranged in producing well of the first capillary tube 13 be fixed on producing well bottom pressure tap P2(figure 8);
One end that is arranged in producing well of the second capillary tube 11 be fixed on pressure measurement electricity P1(figure in the middle of the pipeline of the first armour pipe 9 7);
The other end of the other end of the first capillary tube 13, the second capillary tube 11 is all connected with the input of pressure sensor, the output connection data acquisition system of pressure sensor.
The first capillary tube 13 and the second capillary tube 11 are all filled with nitrogen.
In the second armour pipe 10, be filled with magnesia.
Suspension and sealing device are fixedly mounted in slope mouth 15 by four jackscrews 19, suspension and sealing device comprise seal, suspender, backing plate 25, top board 23, lower bolster 24, upper flange 20, graphite packing 21 and packing box 22, and seal, suspender, backing plate 25, top board 23, lower bolster 24, upper flange 20, graphite packing 21 and packing box 22 are all enclosed within the first armour pipe 9 outsides;
Suspender is three-jaw structure 17, and this inside configuration is provided with screw thread, can open at any time; Suspender is clipped in the first armour pipe 9 outsides, backing plate 25 is positioned at suspender top, lower bolster 24 is positioned at backing plate 25 tops, seal is positioned at lower bolster 24 tops, top board 23 is positioned at seal top, and upper flange 20 is positioned at top board 23 tops, and graphite packing 21 is positioned at upper flange 20 tops, packing box 22 is positioned at graphite packing 21 tops, and the first armour pipe 9 parts of graphite packing 21 tops are connected with nut 26.Seal is graphite pads 18, is close to the inwall of slope mouth 15, and the inside dimension of graphite pads 18 compresses consistent with the first armour pipe 9.This structure makes wirerope generation more move downward just tighter trend of suspender, can avoid wirerope to move downward by the gravity of wirerope, and this structure also allows wirerope to move upward simultaneously, facilitates tripping out of wirerope.
4 jackscrew 19 extruding top boards 23, thus extruding lower bolster 24, backing plate 25 and peripheral inner cone 16 and three-jaw hang 17, reach the object of once sealing.Nut 26 reaches the object of secondary seal by packing box 22 extruded anisotropic graphite packings 21.
When injecting or tripping out armour cable, only need to install adapter, blowout prevention valve, clamp additional in slope mouth 15 sources.Clamp is selected opposite opened, can prevent that armour cable is crooked, improves injection force, and is easy to installing/dismounting.
Claims (5)
1. a producing well multi-point temp and pressure monitor system, the slope mouth of producing well fixes on the ground by wellhead flange, it is characterized in that: comprise the first armour pipe, the second armour pipe, thermocouple, pressure sensor, data collecting system, the first capillary tube, the second capillary tube, suspension and sealing device;
One end of described the first armour pipe is fixedly mounted on the slope mouth place of producing well by suspension and sealing device, the other end of the first armour pipe is placed in producing well through slope mouth;
Described the second armour pipe, the first capillary tube be encapsulated in first armour pipe inside parallel with the second capillary tube;
In described the second armour pipe, be packaged with many thermocouples, and the thermometric end of each thermocouple is separately fixed at the different temperature measurement locations of the second armour pipe inside, the cold junction connection data acquisition system of each thermocouple;
The first front end capillaceous is fixed on the front end of the first armour pipe of producing well bottom;
One end that the second capillary tube is positioned at producing well is fixed in the middle of the pipeline of the first armour pipe;
First other end capillaceous, second other end capillaceous are all connected with the input of pressure sensor, the output connection data acquisition system of pressure sensor.
2. producing well multi-point temp according to claim 1 and pressure monitor system, is characterized in that: described the first capillary tube and the second capillary tube are all filled with nitrogen.
3. producing well multi-point temp according to claim 1 and pressure monitor system, is characterized in that: in described the second armour pipe, be filled with magnesia.
4. producing well multi-point temp according to claim 1 and pressure monitor system, it is characterized in that: described suspension and sealing device are fixedly mounted in slope mouth by jackscrew, suspension and sealing device comprise seal, suspender, backing plate, top board, lower bolster, upper flange, graphite packing and packing box, and it is outside that seal, suspender, backing plate, top board, lower bolster, upper flange, graphite packing and packing box are all enclosed within the first armour pipe;
Suspender is three-jaw structure, this inside configuration is provided with screw thread, it is outside that suspender is clipped in the first armour pipe, and backing plate is positioned at suspender top, and lower bolster is positioned at backing plate top, seal is positioned at lower bolster top, top board is positioned at seal top, and upper flange is positioned at top board top, and graphite packing is positioned at upper flange top, packing box is positioned at graphite packing top, and the first armour tube portion of graphite packing top is connected with clamp nut.
5. producing well multi-point temp according to claim 1 and pressure monitor system, is characterized in that: described seal is graphite pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674017.6U CN203531888U (en) | 2013-10-29 | 2013-10-29 | Multiple-point temperature and pressure monitoring system of oil recovery well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674017.6U CN203531888U (en) | 2013-10-29 | 2013-10-29 | Multiple-point temperature and pressure monitoring system of oil recovery well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203531888U true CN203531888U (en) | 2014-04-09 |
Family
ID=50418110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320674017.6U Expired - Lifetime CN203531888U (en) | 2013-10-29 | 2013-10-29 | Multiple-point temperature and pressure monitoring system of oil recovery well |
Country Status (1)
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| CN (1) | CN203531888U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088627A (en) * | 2014-07-31 | 2014-10-08 | 克拉玛依天兴泰石油科技有限公司 | Temperature and pressure testing system with steam assisting gravity in oil drainage |
| CN104481513A (en) * | 2014-11-12 | 2015-04-01 | 中国石油天然气股份有限公司 | Monitoring apparatus and transmission apparatus of high-temperature production well pump temperatures and pressures, and system |
| CN105545283A (en) * | 2016-01-27 | 2016-05-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Coiled tubing experimental data collection system |
| WO2017203296A1 (en) * | 2016-05-26 | 2017-11-30 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| US10844680B2 (en) | 2016-05-26 | 2020-11-24 | Metrol Technology Limited | Apparatus and method to expel fluid |
| US10947837B2 (en) | 2016-05-26 | 2021-03-16 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules connected by a matrix |
| US11041380B2 (en) | 2016-05-26 | 2021-06-22 | Metrol Technology Limited | Method of pressure testing |
| US11092000B2 (en) | 2016-05-26 | 2021-08-17 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules comprising a crystal oscillator |
| US11111777B2 (en) | 2016-05-26 | 2021-09-07 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements |
| US11542783B2 (en) | 2016-05-26 | 2023-01-03 | Metrol Technology Limited | Method to manipulate a well using an underbalanced pressure container |
| US11542768B2 (en) | 2016-05-26 | 2023-01-03 | Metrol Technology Limited | Method to manipulate a well using an overbalanced pressure container |
| US11643925B2 (en) | 2016-05-26 | 2023-05-09 | Metrol Technology Limited | Method of monitoring a reservoir |
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- 2013-10-29 CN CN201320674017.6U patent/CN203531888U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088627A (en) * | 2014-07-31 | 2014-10-08 | 克拉玛依天兴泰石油科技有限公司 | Temperature and pressure testing system with steam assisting gravity in oil drainage |
| CN104481513B (en) * | 2014-11-12 | 2017-12-01 | 中国石油天然气股份有限公司 | Temperature and pressure monitoring device, transmission equipment and system under high temperature production well pump |
| CN104481513A (en) * | 2014-11-12 | 2015-04-01 | 中国石油天然气股份有限公司 | Monitoring apparatus and transmission apparatus of high-temperature production well pump temperatures and pressures, and system |
| CN105545283A (en) * | 2016-01-27 | 2016-05-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Coiled tubing experimental data collection system |
| US11041380B2 (en) | 2016-05-26 | 2021-06-22 | Metrol Technology Limited | Method of pressure testing |
| US11092000B2 (en) | 2016-05-26 | 2021-08-17 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules comprising a crystal oscillator |
| CN109477378A (en) * | 2016-05-26 | 2019-03-15 | 美德龙技术有限公司 | Using resistive element along the device and method of wellbore sensing temperature |
| GB2550869B (en) * | 2016-05-26 | 2019-08-14 | Metrol Tech Ltd | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| US10844680B2 (en) | 2016-05-26 | 2020-11-24 | Metrol Technology Limited | Apparatus and method to expel fluid |
| US10947837B2 (en) | 2016-05-26 | 2021-03-16 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules connected by a matrix |
| WO2017203296A1 (en) * | 2016-05-26 | 2017-11-30 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| GB2550869A (en) * | 2016-05-26 | 2017-12-06 | Metrol Tech Ltd | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| US11111777B2 (en) | 2016-05-26 | 2021-09-07 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements |
| EA039651B1 (en) * | 2016-05-26 | 2022-02-22 | Метроль Текнолоджи Лимитед | Apparatus for sensing temperature along a wellbore using resistive elements and well comprising said apparatus |
| US11286769B2 (en) | 2016-05-26 | 2022-03-29 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| AU2017268923B2 (en) * | 2016-05-26 | 2022-09-29 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| US11542783B2 (en) | 2016-05-26 | 2023-01-03 | Metrol Technology Limited | Method to manipulate a well using an underbalanced pressure container |
| US11542768B2 (en) | 2016-05-26 | 2023-01-03 | Metrol Technology Limited | Method to manipulate a well using an overbalanced pressure container |
| US11643925B2 (en) | 2016-05-26 | 2023-05-09 | Metrol Technology Limited | Method of monitoring a reservoir |
| US11655706B2 (en) | 2016-05-26 | 2023-05-23 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |