CN103437758B - A kind of down-hole thermometric pressure measuring system - Google Patents
A kind of down-hole thermometric pressure measuring system Download PDFInfo
- Publication number
- CN103437758B CN103437758B CN201310355789.8A CN201310355789A CN103437758B CN 103437758 B CN103437758 B CN 103437758B CN 201310355789 A CN201310355789 A CN 201310355789A CN 103437758 B CN103437758 B CN 103437758B
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- sensor
- protector
- downhole
- measuring system
- top connection
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- 230000001012 protector Effects 0.000 claims abstract description 47
- 230000001702 transmitter Effects 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims description 13
- 239000002775 capsule Substances 0.000 claims description 12
- 230000001808 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 229910052594 sapphire Inorganic materials 0.000 claims description 7
- 239000010980 sapphire Substances 0.000 claims description 7
- 230000035515 penetration Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 28
- 239000007788 liquid Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002706 hydrostatic Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The invention belongs to oil recovery technique field; provide a kind of down-hole thermometric pressure measuring system; including underground part and above ground portion; underground part includes downhole temperature pressure transmitter, test cable, combination tubing, pump and screen casing; combination tubing, pump and screen casing are sequentially connected with; downhole temperature pressure transmitter includes downhole pressure-temperature sensor and protector respectively; one end of protector is connected with screen casing; the other end is connected with downhole pressure-temperature sensor; one end of test cable electrically connects with above ground portion, and the other end electrically connects with downhole temperature pressure transmitter.In it is an advantage of the current invention that sensor, exocoel is balanced controlling, it is effectively guaranteed service life, overcome existing market life of product short and long-term in downhole corrosion and fouling, causing the phenomenon that error in data is big, installation is simple, precision is high, provide reliable data to the production of Oil/gas Well.
Description
Technical field
The invention belongs to oil recovery technique field, relate to a kind of test system, be specifically related to a kind of down-hole and survey
Temperature pressure measuring system.
Background technology
On stream, manager needs to grasp in time production status and the production of oil gas water to oil gas field
Dynamically, this strata pressure including underground part or the change of pit shaft liquid level, underground mining equipment
Operating conditions etc., only grasp these manufacturing parameters, ability Reasonable adjustment producing well working system in time,
Thus realize scientific management and effectively develop.Strata pressure and the pit shaft liquid level of production of hydrocarbons well are one
The individual dynamic data changed with production, mining site personnel need periodically to arrive aboveground test hydrostatic level and hydrodynamic
Face, particularly with feed flow not enough to oil-producing well, the hydrops natural gas well, the pit shaft producing fluid level when exploitation
Being very important data, development managers more to grasp the change of liquid level, in fact mesh in real time
This problem front is not well solved.
Summary of the invention
The technical problem to be solved is the present situation for prior art, and provides a kind of high-precision
Degree, digital down-hole thermometric pressure measuring system, it can complete downhole temperature, pressure data real-time
Measure and transmission.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of down-hole thermometric pressure measurement system
System, including underground part and above ground portion, it is characterised in that described underground part includes down-hole temperature
Degree pressure transmitter, test cable, combination tubing, pump and screen casing, combination tubing, pump and sieve
Pipe is sequentially connected with, described downhole temperature pressure transmitter include respectively downhole pressure-temperature sensor with
And protector, one end of protector is connected with screen casing, and the other end is connected with downhole pressure-temperature sensor,
One end of test cable electrically connects with above ground portion, and the other end electrically connects with downhole temperature pressure transmitter.
The measure taked for optimizing such scheme specifically includes:
In above-mentioned a kind of down-hole thermometric pressure measuring system, described downhole pressure-temperature sensor includes
Transducer room shell, transducer room, sensor top connection, sensor lower contact, sapphire sensor,
Sensor outer housing and sensor mount, sensor top connection and sensor lower contact are fixing respectively to be connected
It is connected on the upper and lower end of transducer room shell, described sensor outer housing and sensor top connection
Fixing connection, the inside being integrally located at transducer room of sapphire sensor, sensor outer housing composition,
One end of sensor mount is installed with sensor outer housing and is connected, and the other end is fixed with sensor top connection
Connect.
In above-mentioned a kind of down-hole thermometric pressure measuring system, described protector include protector tube wall,
Protector room, protector top connection, protector lower contact, oil guide pipe, capsule and spring band, institute
The protector top connection stated and protector lower contact be respectively fixedly connected with in the upper end of protector tube wall and
Bottom, oil guide pipe is positioned at the inside of protector room, and fixes oil guide pipe by capsule and spring band.
In above-mentioned a kind of down-hole thermometric pressure measuring system, described capsule includes bearing part and fixes
Coupling part, bearing part abuts on the inner side of protector tube wall, and described bearing part is to fixing
The coupling part kink of curve, spring band is positioned on fixing coupling part fixes oil guide pipe.Due to against
Part is to the fixing coupling part kink of curve, and such capsule just has certain elastic pre-stress, thus
Fix oil guide pipe.
In above-mentioned a kind of down-hole thermometric pressure measuring system, described combination tubing is connected by multiple-tubing string
Composition, is provided with oil pipe junction button, every oil pipe is provided with rustless steel in the junction of two oil pipes
Line card, test cable by the straight edge being arranged on oil pipe of rustless steel line card, two oil pipes it
Between electric cable protector is installed.
In above-mentioned a kind of down-hole thermometric pressure measuring system, described protector top connection is provided with flat
Weighing apparatus valve, the lower contact of sensor lower contact is provided with fuel feeding valve.
In above-mentioned a kind of down-hole thermometric pressure measuring system, described sensor top connection is additionally provided with
Penetration device.
In above-mentioned a kind of down-hole thermometric pressure measuring system, this system also include orthogonal circulation road transducer,
And wave filter, described above ground portion includes that the linearity corrector being sequentially connected electrically, power supply, A/D change
Device and CPU, be connected to display, RS485 communication output interface and RS232 on CPU
Communication output interface, downhole temperature pressure transmitter electrically connects with power supply, downhole temperature pressure transmitter
Outfan electrically connect with orthogonal circulation road transducer, the outfan of orthogonal circulation road transducer and filtering
Device electrically connects, and the outfan of wave filter electrically connects with linearity corrector.
Compared with prior art, it is an advantage of the current invention that:
1, by this system can Real Time Observation level change, change working system, saves energy, reduce
The abrasion of machinery tube rod, reduces cost, can adjust displacement size in time and reach high yield, stable yields, carry
The utilization rate of high equipment, replaces the test of various down-hole sound liquid level, saves substantial amounts of manpower and wealth
Power；
2, in sensor, exocoel is balanced controlling, and is effectively guaranteed service life, overcomes at present
The market product life-span is short and long-term in downhole corrosion and fouling, causes the phenomenon that error in data is big；
3, test cable uses oil field special test cable, outside by the protection of two-layer rustless steel line card armouring,
Prevent touching when causing oil-line pump, oil well pump, screw pump to run from squeezing and causing damage, extend use
Life-span；
4, installation is simple, precision is high, provide reliable data to the production of Oil/gas Well.
Accompanying drawing explanation
Fig. 1 is the structural representation of this down-hole thermometric pressure measuring system；
Fig. 2 is the internal structure schematic diagram of downhole temperature pressure transmitter；
Fig. 3 is the circuit fundamental diagram of down-hole thermometric pressure measuring system.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is made into one
The description of step, but the present invention is not limited to these embodiments.
In figure, underground part 1；Above ground portion 2；Downhole temperature pressure transmitter 3；Test cable 4；
Combination tubing 5；Pump 6；Screen casing 7；Orthogonal circulation road transducer 8；Wave filter 9；Linearity corrector
10；Power supply 11；A/D converter 12；CPU13；Display 14；RS485 communicates output interface 15；
RS232 communication output connects 16；Downhole pressure-temperature sensor 17；Protector 18；Outside transducer room
Shell 19；Transducer room 20；Sensor top connection 21；Sensor lower contact 22；Sapphire sensor
23；Sensor outer housing 24；Sensor mount 25；Penetration device 26；Protector tube wall 27；Protection
Device room 28；Protector top connection 29；Protector lower contact 30；Oil guide pipe 31；Capsule 32；Against
Part 32a；Fixing coupling part 32b；Spring band 33；Oil pipe junction button 34；Rustless steel line card 35；
Electric cable protector 36；Balanced valve 37；Fuel feeding valve 38.
As it is shown in figure 1, this down-hole thermometric pressure measuring system, including underground part 1 and above ground portion 2, well
Lower part 1 include downhole temperature pressure transmitter 3, test cable 4, combination tubing 5, pump 6 and
Screen casing 7, combination tubing 5, pump 6 and screen casing 7 be sequentially connected with, and downhole temperature pressure transmitter 3 is pacified
Being contained in the bottom of screen casing 7, one end of test cable 4 electrically connects with above ground portion 2, the other end and well
Lower temperature, pressure transmitter 3 electrically connects, and above ground portion 2 is down-hole thermometric pressure gauge here, such as Fig. 3
Shown in, the circuit part of this system also includes orthogonal circulation road transducer 8 and wave filter 9, above ground portion
2 linearity correctors 10 including being sequentially connected electrically, power supply 11, A/D converter 12 and CPU13,
CPU13 is connected to display 14, RS485 communication output interface 15 and RS232 communication
Output connects 16, and downhole temperature pressure transmitter 3 electrically connects with power supply 11, downhole temperature pressure inverting
The outfan of device 3 electrically connects with orthogonal circulation road transducer 8, the output of orthogonal circulation road transducer 8
End electrically connects with wave filter 9, and the outfan of wave filter 9 electrically connects with linearity corrector 10, here well
Lower temperature, pressure transmitter 3 can be had a try and be gathered downhole temperature, the signal of pressure, according to gathering out
Signal, the effect of orthogonal circulation road transducer 8 and wave filter 9 is by temperature, the letter of pressure respectively
Number direct current signal be transformed into AC signal, the impurity of signal is filtered, it is ensured that signal simultaneously
Accuracy, simulation is believed after being corrected signal by linearity corrector 10 again by A/D converter 12
It is sent to CPU13 process after number being converted into digital signal, shows finally by display 14,
RS485 communication output interface 15 and RS232 communication output connects the Main Function of 16 and can be by
This interface reads and is acquired to computer, inquires about, stores and prints, and thus can supervise in real time
Survey liquid level decrease speed, adjust working system in time, keep producing liquid level, stable yields liquid level, high production fluid
Face, replaces the test of various down-hole sound liquid level, saves substantial amounts of manpower and financial resources.
As in figure 2 it is shown, the innovation of present invention maximum is that downhole temperature pressure transmitter 3 wraps respectively
Including downhole pressure-temperature sensor 17 and protector 18, one end of protector 18 is connected with screen casing 7,
The other end is connected with downhole pressure-temperature sensor 17, and downhole pressure-temperature sensor 17 includes sensing
Device chamber enclosure 19, transducer room 20, sensor top connection 21, sensor lower contact 22, sapphire
Sensor 23, sensor outer housing 24 and sensor mount 25, sensor top connection 21 and sensing
Device lower contact 22 is respectively fixedly connected with the upper and lower end at transducer room shell 19, sensor
Shell 24 is fixing with sensor top connection 21 to be connected, sapphire sensor 23, sensor outer housing 24 groups
The inside being integrally located at transducer room 20 become, one end of sensor mount 25 and sensor outer housing
24 install connection, and the other end is fixing with sensor top connection 21 to be connected, in sensor top connection 21 also
It is provided with penetration device 26, makes the test cable 4 of outside and internal blue treasured here by penetration device 26
Stone sensor 23 is electrically connected；Protector 18 includes protector tube wall 27, protector room 28, protects
Protect device top connection 29, protector lower contact 30, oil guide pipe 31, capsule 32 and spring band 33, protect
Protect device top connection 29 and protector lower contact 30 is respectively fixedly connected with in the upper end of protector tube wall 27
And bottom, oil guide pipe 31 is positioned at the inside of protector room 28, and by capsule 32 and spring band 33
Fix oil guide pipe 31, downhole pressure-temperature sensor 17 can be made to be balanced by protector 18
Control, be effectively guaranteed service life, overcome existing market life of product short and long-term at well
Lower corrosion and fouling, cause the phenomenon that error in data is big, capsule 32 include bearing part 32a and fix
Coupling part 32b, bearing part 32a abut on the inner side of protector tube wall 27, bearing part 32a
To the fixing coupling part 32b kink of curve, spring band 33 is positioned on fixing coupling part 32b to be fixed
Oil guide pipe 31, owing to bearing part 32a is to the fixing coupling part 32b kink of curve, such capsule 32
Just there is certain elastic pre-stress, thus fix oil guide pipe 31；Connect on additionally described protector
It is provided with balanced valve on 29, the lower contact of sensor lower contact 22 is provided with fuel feeding valve, here
Make interior exocoel be balanced controlling by balanced valve 37 and fuel feeding valve 38, be effectively guaranteed use
Life-span.
Form, in the junction of two oil pipes as it is shown in figure 1, combination tubing 5 is connected by multiple-tubing string
Being provided with oil pipe junction button 34, every oil pipe is provided with rustless steel line card 35, test cable 4 passes through
Rustless steel line card 35 is straight to be arranged on the edge of oil pipe, is provided with cable protection between two oil pipes
Device 36, needs through several kms due to ground to down-hole, it is therefore desirable to combination tubing 5 is by many here
Composition, rustless steel line card 35 should ensure that test cable 4 and oil pipe reliable contacts but do not makes cable tight
Heavily deform and cause test cable 4 insulating properties to decline, have impact on the accuracy of test, stainless by two-layer
Steel wire card 35 and the protection of electric cable protector 36 armouring, prevent from causing oil-line pump, oil well pump, screw rod
Touching during pump operation is squeezed and is caused damage, extends service life.
This down-hole thermometric pressure measuring system has a techniques below index:
1, pressure measxurement: 0-35MPa, precision 0.5 grade；
2, overvoltage capabilities: 1.5FS；
3, temperature survey: 0-120 DEG C；Precision+-2 DEG C；
4, weight: down-hole " temperature, pressure transmitter " part is less than or equal to 50KG, and above ground portion is less than
Equal to 1.8KG；
5, isolating the performance of element: during off working state 500VDC, insulation resistance is not less than 200M Ω.
Specific embodiment described herein is only to present invention spirit explanation for example.The present invention
Person of ordinary skill in the field described specific embodiment can be made various amendment or
Supplement or use similar mode to substitute, but without departing from the defined scope of spirit of the present invention.
Claims (6)
1. a down-hole thermometric pressure measuring system, including underground part (1) and above ground portion (2), its feature
Being, described underground part (1) includes downhole temperature pressure transmitter (3), test cable (4), group
Closing oil pipe (5), pump (6) and screen casing (7), combination tubing (5), pump (6) and screen casing (7) connect successively
Connect, described downhole temperature pressure transmitter (3) include respectively downhole pressure-temperature sensor (17) and
Protector (18), one end of protector (18) is connected with screen casing (7), and the other end passes with downhole temperature pressure
Sensor (17) connects, and one end of test cable (4) electrically connects with above ground portion (2), the other end and down-hole
Temperature, pressure transmitter (3) electrically connects；Described protector (18) includes protector tube wall (27), protection
Device room (28), protector top connection (29), protector lower contact (30), oil guide pipe (31), capsule (32)
And spring band (33), described protector top connection (29) and protector lower contact (30) are fixed respectively
Being connected to the upper and lower end of protector tube wall (27), oil guide pipe (31) is positioned at protector room (28)
Inside, and fix oil guide pipe (31) by capsule (32) and spring band (33)；Described capsule (32)
Including bearing part (32a) and fixing coupling part (32b), bearing part (32a) abuts in protector tube
On the inner side of wall (27), described bearing part (32a) to fixing coupling part (32b) kink of curve,
Spring band (33) is positioned on fixing coupling part (32b) fixes oil guide pipe (31).
A kind of down-hole the most according to claim 1 thermometric pressure measuring system, it is characterised in that described
Downhole pressure-temperature sensor (17) include transducer room shell (19), transducer room (20), sensing
Device top connection (21), sensor lower contact (22), sapphire sensor (23), sensor outer housing (24)
And sensor mount (25), sensor top connection (21) and sensor lower contact (22) fix respectively
It is connected to the upper and lower end of transducer room shell (19), described sensor outer housing (24) and biography
Sensor top connection (21) is fixing to be connected, and it is whole that sapphire sensor (23), sensor outer housing (24) form
Body is positioned at the inside of transducer room (20), one end of sensor mount (25) and sensor outer housing (24)
Installing and connect, the other end is fixing with sensor top connection (21) to be connected.
A kind of down-hole the most according to claim 2 thermometric pressure measuring system, it is characterised in that described
Combination tubing (5) by multiple-tubing string connect form, be provided with in the junction of two oil pipes oil pipe connect
Button (34), every oil pipe is provided with rustless steel line card (35), and test cable (4) passes through rustless steel line card
(35), on the straight edge being arranged on oil pipe, electric cable protector (36) is installed between two oil pipes.
A kind of down-hole the most according to claim 3 thermometric pressure measuring system, it is characterised in that described
Protector top connection (29) on be provided with balanced valve (37), sensor lower contact (22) is provided with oiling
Valve (38).
A kind of down-hole the most according to claim 4 thermometric pressure measuring system, it is characterised in that described
Sensor top connection (21) on be additionally provided with penetration device (26).
A kind of down-hole the most according to claim 4 thermometric pressure measuring system, it is characterised in that this is
System also includes that orthogonal circulation road transducer (8) and wave filter (9), described above ground portion (2) include successively
Linearity corrector (10), power supply (11), A/D converter (12) and the CPU (13) of electrical connection,
Be connected to display (14) on CPU (13), RS485 communication output interface (15) and RS232 leads to
Letter output interface (16), downhole temperature pressure transmitter (3) electrically connects with power supply (11), downhole temperature pressure
The outfan of power transmitter (3) electrically connects with orthogonal circulation road transducer (8), orthogonal circulation road transducer
(8) outfan electrically connects with wave filter (9), the outfan of wave filter (9) and linearity corrector (10) electricity
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355789.8A CN103437758B (en) | 2013-08-14 | A kind of down-hole thermometric pressure measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355789.8A CN103437758B (en) | 2013-08-14 | A kind of down-hole thermometric pressure measuring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437758A CN103437758A (en) | 2013-12-11 |
| CN103437758B true CN103437758B (en) | 2016-11-30 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3478584A (en) * | 1967-12-26 | 1969-11-18 | Mobil Oil Corp | Method and apparatus for obtaining pressure build-up data in pumping wells |
| EP0424120A3 (en) * | 1989-10-17 | 1992-04-15 | Baroid Technology, Inc. | Borehole pressure and temperature measurement system |
| CN2352734Y (en) * | 1998-08-14 | 1999-12-08 | 胜利石油管理局无杆采油泵公司 | Parallel rubber sack protector for oil submerged electric motor |
| CN202064936U (en) * | 2011-04-22 | 2011-12-07 | 中国石油天然气股份有限公司 | Wireless-transmission borehole shutin pressure measuring device |
| CN203463101U (en) * | 2013-08-14 | 2014-03-05 | 宁波新中方测控系统有限公司 | Underground temperature measuring and pressure measuring system |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3478584A (en) * | 1967-12-26 | 1969-11-18 | Mobil Oil Corp | Method and apparatus for obtaining pressure build-up data in pumping wells |
| EP0424120A3 (en) * | 1989-10-17 | 1992-04-15 | Baroid Technology, Inc. | Borehole pressure and temperature measurement system |
| CN2352734Y (en) * | 1998-08-14 | 1999-12-08 | 胜利石油管理局无杆采油泵公司 | Parallel rubber sack protector for oil submerged electric motor |
| CN202064936U (en) * | 2011-04-22 | 2011-12-07 | 中国石油天然气股份有限公司 | Wireless-transmission borehole shutin pressure measuring device |
| CN203463101U (en) * | 2013-08-14 | 2014-03-05 | 宁波新中方测控系统有限公司 | Underground temperature measuring and pressure measuring system |
Non-Patent Citations (2)
| Title |
|---|
| JXWY-1型井下测温测压系统选型样本及使用说明书;宁波新中方测控系统有限公司;《http://www.nbxzf.com/index.php?m=down&wm_1=cn》;20110725;第2、4、6页、图1、2、4、6-8 * |
| 潜油电泵井井下压力温度测试系统研究;付岳峰;《万方数据企业知识服务平台》;20100630;第9-10页第2.2.1小节，图2-2 * |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
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Granted publication date: 20161130 Termination date: 20180814 |