CN105672980A - Method for calculating oil well liquid production capacity based on ground indicator diagram - Google Patents
Method for calculating oil well liquid production capacity based on ground indicator diagram Download PDFInfo
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- CN105672980A CN105672980A CN201511015074.3A CN201511015074A CN105672980A CN 105672980 A CN105672980 A CN 105672980A CN 201511015074 A CN201511015074 A CN 201511015074A CN 105672980 A CN105672980 A CN 105672980A
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- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 238000010586 diagram Methods 0.000 title claims abstract description 34
- 239000003129 oil well Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 4
- 238000004364 calculation method Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 13
- 238000012417 linear regression Methods 0.000 claims description 6
- 230000007812 deficiency Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a method for calculating oil well liquid production capacity based on a ground indicator diagram. The method comprises the following steps: acquiring a ground indicator diagram of a rod pumped well by utilizing an onsite data collecting device, and the ground indicator diagram being uploaded to a data server through a data remote transmitting device; and determining a feed liquid effective stroke of the ground indicator diagram through curvature analysis, and the ground indicator diagram calculating oil wells with errors in liquid production capacity in accordance with different blocks. The advantages of the method are: is simple to operate and manage, can reduce ground investment funds, and guarantee reliability, accuracy, consistency, and timeliness in measuring liquid production capacity of oil wells. The method can simplify ground measuring flow and lower oil field development investment and operation cost.
Description
Technical field
The present invention relates to a kind of method calculating oilwell produced fluid amount, especially relate to a kind of method calculating oilwell produced fluid amount based on ground load-position diagram.
Background technology
The ground metering equipment that current oil well liquid producing amount measure generally adopts measures, oil field majority enters high water-cut stage, the simplification that major part ground flow is all appropriate, and liquid volume measurement is not well solved, it is ageing all very poor with accuracy to measure, in order to better solve rod-pumped well measurement problem. A lot of people pump dynagraoph of having given chapter and verse calculates the method for oilwell produced fluid amount, is subject to the inaccurate impact of individual well parameter due in the process that ground load-position diagram transforms to pump dynagraoph, and after ground merit figure is converted into pump dynagraoph, its accuracy exists deviation.
Summary of the invention
For solving the deficiencies in the prior art, the present invention provides a kind of method calculating oilwell produced fluid amount based on ground load-position diagram.
The technical solution used in the present invention is: a kind of method calculating oilwell produced fluid amount based on ground load-position diagram, and described the method comprises following step:
Step 1) uses on-site data gathering equipment to obtain pumping well ground load-position diagram, and frequency acquisition can be established, and acquiescence frequency acquisition is 1/hour, and method of calculation are described according to frequency acquisition 1/hour;
Step 2) ground load-position diagram uploads to data server by data remote equipment by ground load-position diagram;
Step 3) enters liquid effective stroke by what ground load-position diagram determined by ground load-position diagram by curvature analysis method, and Liquid output calculation formula 1 calculates oil well whole day Liquid output, Liquid output calculation formula 2 calculates whole day oil offtake, the Liquid output of 24 points that formula 1, formula 2 calculate is averaged and revises the calculating precision that ground load-position diagram calculates Liquid output by Liquid output calculation formula 3;
Formula 1
Formula 2
Formula 3
Step 4) calculates the oil well that there is error of Liquid output according to different blocks, ground load-position diagram, adopts individual well level pressure mark to produce car scene mark and produces, carries out linear regression by the mark output value and calculating, corrected by calculating Liquid output by regression formula;
Step 5) is greater than the oil well of 15 tons for daily fluid production rate, calculates Liquid output and directly calculates according to step 3); For day output below 15 tons and the oil well of feed flow deficiency, by the method for step 4, it is carried out linear regression and draw matching Liquid output calculation formula 4.
Formula 4
。
The invention has the beneficial effects as follows: the program simplifying oilwell produced fluid amount metering, can progressively replace traditional oil well measurement method, simple to operate being convenient to manages; Reduce ground input to economize on the use of funds, it is ensured that the reliability of oilwell produced fluid amount metering, accuracy, continuity, real-time, reach and simplify ground measurement flow, reduces oil-field development investment and running cost. It is more suitable for the production management in oil field, for the energy-conservation and consumption reduction in the informatization in oil field, data deep processing and utilization, oil field carries out positive data analysis preparation than traditional discontinuity amount oil mode.
Embodiment
Calculate a method for oilwell produced fluid amount based on ground load-position diagram, described the method comprises following step:
Step 1) uses on-site data gathering equipment to obtain pumping well ground load-position diagram, and frequency acquisition can be established, and acquiescence frequency acquisition is 1/hour, and method of calculation are described according to frequency acquisition 1/hour;
Step 2) ground load-position diagram uploads to data server by data remote equipment by ground load-position diagram;
Step 3) enters liquid effective stroke by what ground load-position diagram determined by ground load-position diagram by curvature analysis method, and Liquid output calculation formula 1 calculates oil well whole day Liquid output, Liquid output calculation formula 2 calculates whole day oil offtake, the Liquid output of 24 points that formula 1, formula 2 calculate is averaged and revises the calculating precision that ground load-position diagram calculates Liquid output by Liquid output calculation formula 3;
Formula 1
Formula 2
Formula 3
Step 4) calculates the oil well that there is error of Liquid output according to different blocks, ground load-position diagram, adopts individual well level pressure mark to produce car scene mark and produces, carries out linear regression by the mark output value and calculating, corrected by calculating Liquid output by regression formula;
Step 5) is greater than the oil well of 15 tons for daily fluid production rate, calculates Liquid output and directly calculates according to step 3); For day output below 15 tons and the oil well of feed flow deficiency, by the method for step 4, it is carried out linear regression and draw matching Liquid output calculation formula 4.
Formula 4
。
Claims (1)
1. one kind calculates the method for oilwell produced fluid amount based on ground load-position diagram, it is characterised in that: described the method comprises following step:
Step 1) uses on-site data gathering equipment to obtain pumping well ground load-position diagram, and frequency acquisition can be established, and acquiescence frequency acquisition is 1/hour, and method of calculation are described according to frequency acquisition 1/hour;
Step 2) ground load-position diagram uploads to data server by data remote equipment by ground load-position diagram;
Step 3) enters liquid effective stroke by what ground load-position diagram determined by ground load-position diagram by curvature analysis method, Liquid output calculation formula 1 calculates oil well whole day Liquid output, Liquid output calculation formula 2 calculates whole day oil offtake, and the Liquid output of 24 points that formula 1, formula 2 calculate is averaged by Liquid output calculation formula 3 revises the calculating precision that ground load-position diagram calculates Liquid output;
Formula 1
Formula 2
Formula 3
Step 4) calculates the oil well that there is error of Liquid output according to different blocks, ground load-position diagram, adopts individual well level pressure mark to produce car scene mark and produces, carries out linear regression by the mark output value and calculating, corrected by calculating Liquid output by regression formula;
Step 5) is greater than the oil well of 15 tons for daily fluid production rate, calculates Liquid output and directly calculates according to step 3); For day output below 15 tons and the oil well of feed flow deficiency, by the method for step 4, it is carried out linear regression and draw matching Liquid output calculation formula 4;
Formula 4
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015074.3A CN105672980A (en) | 2015-12-31 | 2015-12-31 | Method for calculating oil well liquid production capacity based on ground indicator diagram |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015074.3A CN105672980A (en) | 2015-12-31 | 2015-12-31 | Method for calculating oil well liquid production capacity based on ground indicator diagram |
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| CN105672980A true CN105672980A (en) | 2016-06-15 |
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| CN201511015074.3A Pending CN105672980A (en) | 2015-12-31 | 2015-12-31 | Method for calculating oil well liquid production capacity based on ground indicator diagram |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288617A (en) * | 2016-07-21 | 2017-10-24 | 中国石油大学(北京) | A kind of method and system for improving rod-pumped well indicator card gauging precision |
| CN107575208A (en) * | 2017-10-27 | 2018-01-12 | 中国石油化工股份有限公司 | A kind of method that heavy crude well yield is calculated based on surface dynamometer card |
| CN109870902A (en) * | 2017-12-05 | 2019-06-11 | 中国科学院沈阳自动化研究所 | Based on stroke than the oil well maximum production mode control method with Dynamic Control Chart |
| CN109872018A (en) * | 2017-12-05 | 2019-06-11 | 中国科学院沈阳自动化研究所 | A kind of pumpingh well Production rate method based on indicator card |
| CN110363337A (en) * | 2019-06-27 | 2019-10-22 | 中国石油大学(北京) | A kind of pumping unit amount oil method and system based on data-driven |
| CN112183864A (en) * | 2020-09-29 | 2021-01-05 | 合肥精特仪表有限公司 | Method for measuring oil well liquid production amount |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288617A (en) * | 2016-07-21 | 2017-10-24 | 中国石油大学(北京) | A kind of method and system for improving rod-pumped well indicator card gauging precision |
| CN107575208A (en) * | 2017-10-27 | 2018-01-12 | 中国石油化工股份有限公司 | A kind of method that heavy crude well yield is calculated based on surface dynamometer card |
| CN107575208B (en) * | 2017-10-27 | 2020-12-29 | 中国石油化工股份有限公司 | Method for calculating yield of heavy oil well based on ground indicator diagram |
| CN109870902A (en) * | 2017-12-05 | 2019-06-11 | 中国科学院沈阳自动化研究所 | Based on stroke than the oil well maximum production mode control method with Dynamic Control Chart |
| CN109872018A (en) * | 2017-12-05 | 2019-06-11 | 中国科学院沈阳自动化研究所 | A kind of pumpingh well Production rate method based on indicator card |
| CN110363337A (en) * | 2019-06-27 | 2019-10-22 | 中国石油大学(北京) | A kind of pumping unit amount oil method and system based on data-driven |
| CN112183864A (en) * | 2020-09-29 | 2021-01-05 | 合肥精特仪表有限公司 | Method for measuring oil well liquid production amount |
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Application publication date: 20160615 |