CN102080532A - Flow-concentrating flowmeter for underground steam measurement - Google Patents
Flow-concentrating flowmeter for underground steam measurement Download PDFInfo
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- CN102080532A CN102080532A CN201010593418XA CN201010593418A CN102080532A CN 102080532 A CN102080532 A CN 102080532A CN 201010593418X A CN201010593418X A CN 201010593418XA CN 201010593418 A CN201010593418 A CN 201010593418A CN 102080532 A CN102080532 A CN 102080532A
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- 238000005259 measurement Methods 0.000 title abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract 3
- 239000000295 fuel oil Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- 238000000605 extraction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention belongs to the field of heavy oil thermal recovery and oil layer high-temperature steam absorption profile testing equipment, and particularly relates to a flow-collecting type flowmeter for underground steam measurement, which comprises an umbrella-type centralizer, a central pipe (7) and a turbine flowmeter assembly (11); the central pipe (7) is sleeved in the umbrella-type centralizer; the turbine flowmeter assembly (11) is fixedly connected with the lower end of the central pipe (7) through the lower end of the umbrella-type centralizer; the umbrella type centralizer comprises an upper free end (3) of the centralizer, a lower free end (10) of the centralizer, a centralizer elastic arm (5) and a metal flow collecting umbrella piece (8); two ends of the centralizer elastic arm (5) are sequentially and respectively fixedly connected to the upper free end (3) of the centralizer and the lower free end (10) of the centralizer; the metal flow collecting umbrella piece (8) is fixedly connected to the lower part of the centralizer elastic arm (5). The invention can effectively improve the testing precision of the steam absorption profile by adopting the centralizer structure, more accurately judge the steam absorption condition of each oil layer, and provide scientific basis for the implementation of the heavy oil thermal recovery process and measures.
Description
Technical field
The invention belongs to heavy crude heat extraction and oil reservoir high temperature steam entry profile testing equipment field, relate in particular to a kind of packer flowmeter that is used for the down-hole vapour survey.
Background technology
The steam entry profile test is the requisite test event of heavy crude heat extraction, is to understand the important means that each oil reservoir is inhaled the vapour situation.Because be subjected to the influence of downhole testing environment (factors such as high temperature, high pressure, tubing string reducing), the high temperature test technical development is slow.Existing oil reservoir steam entry profile method of testing is that the turbine flowmeter with external diameter ф 38 directly is lowered in the sleeve pipe that diameter is ф 160 and measures.There is following shortcoming in this measuring method: 1, do not have centralizer, instrument is in sleeve edge, is vulnerable to the interference of steam condensate (SC), influences certainty of measurement.2, because the interior steam flow rate of sleeve pipe is lower, and along with the continuous suction vapour of each payzone and the reduction of mass dryness fraction, steam flow rate weakens from top to bottom gradually, and turbine flowmeter will enter inelastic region work, certainty of measurement descends.Be badly in need of a kind of down-hole vapour survey equipment that can effectively evade above-mentioned defective in the practice.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art part and a kind of steam entry profile measuring accuracy that can effectively improve is provided, and accurately judges the packer flowmeter that is used for the down-hole vapour survey of each oil reservoir suction vapour situation.
For achieving the above object, the present invention is achieved in that
A kind of packer flowmeter that is used for the down-hole vapour survey, it comprises umbrella formula centralizer, central tube and turbine flowmeter assembly; Described central tube is socketed within the umbrella formula centralizer; Described turbine flowmeter assembly is fixedly connected through umbrella formula centralizer lower end and central tube lower end.
As a kind of preferred version, umbrella formula centralizer of the present invention comprises free end under free end on the centralizer, the centralizer, centralizer elastic arm and metal current collecting umbrella sheet; The two ends of described centralizer elastic arm are fixed on the centralizer free end under the free end and centralizer successively respectively; Described metal current collecting umbrella sheet is fixed in the bottom of centralizer elastic arm.
As another kind of preferred version, the present invention is fixed with check chain in the central region of described centralizer elastic arm.
Further, the present invention is free-ended bottom on described centralizer, is fixed with stop collar on central tube.
Further, the present invention is free-ended top under described centralizer, is fixed with positive stop spring plate on central tube.
The present invention organizes the metal current collecting umbrella structure that stack constitutes by adopting centralizer and metal current collecting umbrella sheet more, can effectively improve the measuring accuracy of steam entry profile, judge the suction vapour situation of each oil reservoir more accurately, and create conditions in linear zone work for turbine flowmeter, it can improve the flow velocity of steam by flow meter, be the enforcement of heavy crude heat extraction technology and measure, the foundation of science is provided.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is an overall structure schematic diagram of the present invention.
Among the figure: 1 is pipe box; 2 is the instrument joint; 3 is free end on the centralizer; 4 is stop collar; 5 is the centralizer elastic arm; 6 is check chain; 7 is central tube; 8 is metal current collecting umbrella sheet; 9 is positive stop spring plate; 10 is free end under the centralizer; 11 is the turbine flowmeter assembly.
The specific embodiment
Referring to shown in Figure 1, be used for the packer flowmeter of down-hole vapour survey, it comprises umbrella formula centralizer, central tube 7 and turbine flowmeter assembly 11; Described central tube 7 is socketed within the umbrella formula centralizer; Described turbine flowmeter assembly 11 is fixedly connected through umbrella formula centralizer lower end and central tube 7 lower ends.
Umbrella formula centralizer of the present invention comprises on the centralizer free end 10, centralizer elastic arm 5 and metal current collecting umbrella sheet 8 under free end 3, the centralizer; The two ends of described centralizer elastic arm 5 are fixed on the centralizer free end 10 under the free end 3 and centralizer successively respectively; Described metal current collecting umbrella sheet 8 is fixed in the bottom of centralizer elastic arm 5.
The present invention is fixed with check chain 6 in the central region of described centralizer elastic arm 5.
The bottom of the present invention's free end 3 on described centralizer is fixed with stop collar 4 on central tube 7.
The top of the present invention's free end 3 under described centralizer is fixed with positive stop spring plate 9 on central tube 7.
In order to make turbine flowmeter be operated in linear zone, created condition for it by the umbrella formula centralizer that free end 10 under free end on the centralizer 3, centralizer elastic arm 5, check chain 6, metal current collecting umbrella sheet 8, the centralizer is formed.Umbrella formula centralizer is supported by check chain 6, and is spacing by stop collar 4 and positive stop spring plate 9.
The metal current collecting umbrella moves with the relaxation of centralizer, can pass through different calibers.The afflux effect of metal current collecting umbrella has improved the flow velocity of steam by flow meter, has improved measuring accuracy.
When concrete assembling, the two ends of centralizer elastic arm 5 of the present invention respectively with centralizer under free end 3 and the centralizer free end 10 hinges be connected.The larger diameter end of metal current collecting umbrella sheet 8 is connected with the middle part spot welding of centralizer elastic arm 5 respectively, and forming one can be with the current collecting umbrella of centralizer elastic arm 5 relaxation.Check chain 6 is connected with 5 spot welding of centralizer elastic arm, and it is equidistantly spacing that it is pressed circumference.Turbine flowmeter assembly 11 is packed into by the lower end of umbrella formula centralizer and is spacing by spot welding positive stop spring plate 9 thereon.Central tube 7 pack into by the upper end of umbrella formula centralizer and with the screwed connection of turbine flowmeter assembly.Fix by jackscrew between stop collar 4 and the central tube 7.Instrument joint 2 and central tube 7 screwed connections.More than the 8 group stacks of metal current collecting umbrella sheet constitute the metal current collecting umbrella.Metal current collecting umbrella sheet 8 equates with centralizer elastic arm 5 quantity.The effect of central tube 7 is: 1, the support of umbrella formula centralizer and transmission channel spacing 2, flow signal.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a packer flowmeter that is used for the down-hole vapour survey is characterized in that, comprises umbrella formula centralizer, central tube (7) and turbine flowmeter assembly (11); Described central tube (7) is socketed within the umbrella formula centralizer; Described turbine flowmeter assembly (11) is fixedly connected through umbrella formula centralizer lower end and central tube (7) lower end.
2. the packer flowmeter that is used for the down-hole vapour survey according to claim 1 is characterized in that: described umbrella formula centralizer comprises free end (10) under free end on the centralizer (3), the centralizer, centralizer elastic arm (5) and metal current collecting umbrella sheet (8); The two ends of described centralizer elastic arm (5) are fixed in free end (10) under free end on the centralizer (3) and the centralizer successively respectively; Described metal current collecting umbrella sheet (8) is fixed in the bottom of centralizer elastic arm (5).
3. the packer flowmeter that is used for the down-hole vapour survey according to claim 2 is characterized in that: the central region at described centralizer elastic arm (5) is fixed with check chain (6).
4. the packer flowmeter that is used for the down-hole vapour survey according to claim 3 is characterized in that: the bottom of free end on described centralizer (3) is fixed with stop collar (4) on central tube (7).
5. the packer flowmeter that is used for the down-hole vapour survey according to claim 4 is characterized in that: the top of free end under described centralizer (3) is fixed with positive stop spring plate (9) on central tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010593418XA CN102080532A (en) | 2010-12-17 | 2010-12-17 | Flow-concentrating flowmeter for underground steam measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010593418XA CN102080532A (en) | 2010-12-17 | 2010-12-17 | Flow-concentrating flowmeter for underground steam measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102080532A true CN102080532A (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010593418XA Pending CN102080532A (en) | 2010-12-17 | 2010-12-17 | Flow-concentrating flowmeter for underground steam measurement |
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| Country | Link |
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| CN (1) | CN102080532A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104255A (en) * | 2013-01-22 | 2013-05-15 | 西安交通大学 | Device and method for measuring downhole liquid production profile flow and water holding capacity |
| CN106593433A (en) * | 2016-12-12 | 2017-04-26 | 中国石油天然气股份有限公司 | Horizontal well oil pipe conveying mechanical type mass flow device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268923Y (en) * | 1995-07-24 | 1997-11-26 | 清华大学 | Intellectual steam flowmeter with probing needle |
| EP1215393A1 (en) * | 2000-12-12 | 2002-06-19 | EBARA International Corporation | Hydraulic turbine power generator |
| CN2752729Y (en) * | 2004-06-02 | 2006-01-18 | 中国石油天然气股份有限公司 | Centralizing type high-temperature high-precision turbine flowmeter |
| CN2856410Y (en) * | 2005-09-26 | 2007-01-10 | 辽河石油勘探局 | Steam sucking section tester with centralizer and choke umbrella |
| CN201050336Y (en) * | 2007-05-29 | 2008-04-23 | 辽河石油勘探局 | Down-hole cement plugging device |
-
2010
- 2010-12-17 CN CN201010593418XA patent/CN102080532A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268923Y (en) * | 1995-07-24 | 1997-11-26 | 清华大学 | Intellectual steam flowmeter with probing needle |
| EP1215393A1 (en) * | 2000-12-12 | 2002-06-19 | EBARA International Corporation | Hydraulic turbine power generator |
| CN2752729Y (en) * | 2004-06-02 | 2006-01-18 | 中国石油天然气股份有限公司 | Centralizing type high-temperature high-precision turbine flowmeter |
| CN2856410Y (en) * | 2005-09-26 | 2007-01-10 | 辽河石油勘探局 | Steam sucking section tester with centralizer and choke umbrella |
| CN201050336Y (en) * | 2007-05-29 | 2008-04-23 | 辽河石油勘探局 | Down-hole cement plugging device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104255A (en) * | 2013-01-22 | 2013-05-15 | 西安交通大学 | Device and method for measuring downhole liquid production profile flow and water holding capacity |
| CN103104255B (en) * | 2013-01-22 | 2015-08-05 | 西安交通大学 | The device and method of production profile flow and specific retention under a kind of measuring well |
| CN106593433A (en) * | 2016-12-12 | 2017-04-26 | 中国石油天然气股份有限公司 | Horizontal well oil pipe conveying mechanical type mass flow device |
| CN106593433B (en) * | 2016-12-12 | 2023-04-25 | 中国石油天然气股份有限公司 | Mechanical type current collector is carried to horizontal well oil pipe |
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Application publication date: 20110601 |