CN104408541A - Method for evaluating uniform steam injection effect of steam huff and puff horizontal well - Google Patents
Method for evaluating uniform steam injection effect of steam huff and puff horizontal well Download PDFInfo
- Publication number
- CN104408541A CN104408541A CN201410561821.2A CN201410561821A CN104408541A CN 104408541 A CN104408541 A CN 104408541A CN 201410561821 A CN201410561821 A CN 201410561821A CN 104408541 A CN104408541 A CN 104408541A
- Authority
- CN
- China
- Prior art keywords
- steam injection
- horizontal well
- cycle
- oil
- even steam
- 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
- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 117
- 230000000694 effects Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000011156 evaluation Methods 0.000 claims abstract description 38
- 230000000638 stimulation Effects 0.000 claims description 40
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000000750 progressive effect Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010794 Cyclic Steam Stimulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Human Resources & Organizations (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Marketing (AREA)
- General Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- Tourism & Hospitality (AREA)
- Educational Administration (AREA)
- Quality & Reliability (AREA)
- Operations Research (AREA)
- Game Theory and Decision Science (AREA)
- Development Economics (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention provides a method for evaluating the uniform steam injection effect of a steam huff-puff horizontal well, and belongs to the technical field of thickened oil thermal recovery horizontal well exploitation. The method comprises the following steps: obtaining evaluation parameters of the uniform steam injection effect of the steam huff-puff horizontal well, wherein the evaluation parameters comprise at least one of standard deviation of temperature values of a plurality of temperature measuring points, a first difference value of an actual period oil-gas ratio and a predicted period oil-gas ratio or a second difference value of actual average daily oil production and predicted average daily oil production; and evaluating the uniform steam injection effect of the steam huff and puff horizontal well according to the evaluation parameters. The invention realizes the effective evaluation of the uniform steam injection effect of the horizontal well, can further analyze the wells which implement the uniform steam injection of the horizontal well and are invalid, and guides the further improvement of the technology.
Description
Technical field
The present invention relates to a kind of steam stimulation horizontal well even steam injection effect evaluation method, belong to heavy crude heat extraction horizontal wells technical field.
Background technology
At present, Uniform Horizontal Well technology has been widely used in heavy crude heat extraction horizontal well, and cyclic steam stimulation process remains the main process measure of horizontal well thermal recovery, crucial effect is served in the even development degree of well horizontal segment of improving the standard, but how scientific and reasonable horizontal well even steam injection effect is evaluated, still do not have correlation technique for using for reference, the propagation and employment of horizontal well even steam injection technology can be have impact on.
Summary of the invention
The present invention is the problem evaluated horizontal well even steam injection effect that solution prior art cannot be scientific and reasonable, and then proposes a kind of steam stimulation horizontal well even steam injection effect evaluation method, specifically comprises following technical scheme:
A kind of steam stimulation horizontal well even steam injection effect evaluation method, described method comprises:
Step 1, obtain the evaluating of described steam stimulation horizontal well even steam injection effect, described evaluating comprise the standard deviation of the temperature value of several points for measuring temperature, actual cycle oil-gas ratio and predetermined period oil-gas ratio the first difference or actual average day produce oil with at least one in the second difference of prediction average day produce oil;
Wherein, the method obtaining the standard deviation of the temperature value of several points for measuring temperature described comprises: the temperature value obtaining several points for measuring temperature of horizontal segment in the predetermined moment, and obtains the standard deviation of the temperature value of several points for measuring temperature described according to the mean value of the temperature value of several points for measuring temperature described;
Obtain actual oil-gas ratio to comprise with the method for the first difference of predicting oil/gas ratio: by the cycle gas oil ratio adopted under even steam injection mode with predict that the cycle oil-gas ratio obtained does difference according to this well cycle average alternation rate;
Obtain actual average day produce oil to comprise with the method for the second difference of prediction average day produce oil: will adopt the produce oil and predict that the average day produce oil obtained does difference according to this well cycle average alternation rate of average day in cycle under even steam injection mode;
Step 2, evaluates described steam stimulation horizontal well even steam injection effect according to described evaluating.
In steam stimulation horizontal well even steam injection effect evaluation method of the present invention, the described predetermined moment comprise even steam injection measure before the last cycle boil in a covered pot over a slow fire well open flow after, last end cycle evenly before steam injection measure time, evenly steam injection implement after this cycle boil in a covered pot over a slow fire well open flow after and evenly steam injection implement after this cycle at the end of.
Further, carry out evaluation according to described evaluating to described steam stimulation horizontal well even steam injection effect to comprise: if this cycle after described even steam injection is implemented boil in a covered pot over a slow fire well open flow after standard deviation last cycle be less than before described even steam injection measure of the temperature value of several points for measuring temperature of obtaining boil in a covered pot over a slow fire well open flow after the standard deviation of the temperature value of several points for measuring temperature that obtains, and, the standard deviation of the temperature value of several points for measuring temperature that the standard deviation of the temperature value of several points for measuring temperature obtained at the end of this cycle after described even steam injection is implemented obtains when being less than the last end cycle before described even steam injection measure, then described horizontal well even steam injection is evaluated as effectively.
In steam stimulation horizontal well even steam injection effect evaluation method of the present invention, the standard deviation of the temperature value of several points for measuring temperature described is obtained by following formulae discovery:
Wherein, S represents the standard deviation of the temperature value of several points for measuring temperature, and N represents the quantity of point for measuring temperature, and i represents the random natural number of 1 to N, and N represents natural number, T
irepresent the temperature value of i-th point for measuring temperature,
represent the mean value of the temperature value of whole point for measuring temperature.
In steam stimulation horizontal well even steam injection effect evaluation method of the present invention, described well cycle average alternation rate is the mean value of the difference of oil-gas ratio between these every two adjacent periods adopting before even steam injection mode.
In steam stimulation horizontal well even steam injection effect evaluation method of the present invention, carry out evaluation according to described first difference to described steam stimulation horizontal well even steam injection effect to comprise: if described first difference is greater than zero, then described horizontal well even steam injection is evaluated as effectively.
In steam stimulation horizontal well even steam injection effect evaluation method of the present invention, carry out evaluation according to described second difference to described steam stimulation horizontal well even steam injection effect to comprise: if described second difference is greater than zero, then described horizontal well even steam injection is evaluated as effectively.
In sum, the present invention is evaluated steam stimulation horizontal well even steam injection effect by any one in the standard deviation of the temperature value according to several points for measuring temperature, described first difference or described second difference, thus the effective evaluation achieved horizontal well even steam injection effect, for the well that the even steam injection of carrying out horizontal well is invalid, further can analyze, instruct this technology perfect further.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the steam stimulation horizontal well even steam injection effect evaluation method that the present invention proposes in a schematic manner.
Fig. 2 is the well temperature curve synoptic diagram of the embodiment 1 that the present invention proposes in a schematic manner, wherein,
represent well temperature after second round open flow, unit is DEG C;
represent second week end of term well temperature, unit is DEG C;
represent well temperature after period 3 open flow, unit is DEG C;
represent period 3 Mo well temperature, unit is DEG C.
Embodiment
This embodiment is clearly and completely described technical scheme of the present invention, and embodiment is wherein only a part of embodiment of the present invention, and is not whole embodiments.Based on the embodiment in the present invention, other embodiments all that those skilled in the art are not obtaining under the prerequisite of creative work all belong to protection scope of the present invention.
This embodiment provides a kind of steam stimulation horizontal well even steam injection effect evaluation method, and as shown in Figure 1, described method comprises:
Step 1, obtain the evaluating of described steam stimulation horizontal well even steam injection effect, described evaluating comprise the standard deviation of the temperature value of several points for measuring temperature, actual cycle oil-gas ratio and predetermined period oil-gas ratio the first difference or actual average day produce oil with at least one in the second difference of prediction average day produce oil.
Further, the method obtaining the standard deviation of the temperature value of several points for measuring temperature described comprises: the temperature value obtaining several points for measuring temperature of horizontal segment in the predetermined moment, and obtains the standard deviation of the temperature value of several points for measuring temperature described according to the mean value of the temperature value of several points for measuring temperature described.
Concrete, horizontal segment to be evaluated can be divided into 10 parts by length, add two end points of horizontal segment, totally 11 points for measuring temperature, get the mean value of the well temperature of 11 points for measuring temperature, be the average well temperature of this measurement.The described predetermined moment can comprise even steam injection measure before the last cycle boil in a covered pot over a slow fire well open flow after, last end cycle evenly before steam injection measure time, evenly steam injection implement after this cycle boil in a covered pot over a slow fire well open flow after and evenly steam injection implement after this cycle at the end of.
Then calculating the even steam injection measure front upper cycle boils in a covered pot over a slow fire well temperature standard deviation S after well open flow
1 stewing after, even well temperature standard deviation S after end cycle before steam injection measure
1 terminates, evenly steam injection implement after the cycle boil in a covered pot over a slow fire well temperature standard deviation S after well open flow
2 stewing after, evenly steam injection implement after well temperature standard deviation S after end cycle
2 terminate.If S
2 stewing after< S
1 stewing afterand S
1 terminates< S
2 terminateif (that is: this cycle after described even steam injection is implemented boil in a covered pot over a slow fire well open flow after standard deviation last cycle be less than before described even steam injection measure of the temperature value of several points for measuring temperature of obtaining boil in a covered pot over a slow fire well open flow after the standard deviation of the temperature value of several points for measuring temperature that obtains, and, the standard deviation of the temperature value of several points for measuring temperature that the standard deviation of the temperature value of several points for measuring temperature obtained at the end of this cycle after described even steam injection is implemented obtains when being less than the last end cycle before described even steam injection measure), then think that this horizontal well even steam injection is evaluated as effectively.
Wherein, the standard deviation of the temperature value of several points for measuring temperature described is obtained by following formulae discovery:
Wherein, S represents the standard deviation of the temperature value of several points for measuring temperature, and N is natural number, and represent the quantity of point for measuring temperature, i represents the random natural number of 1 to N, T
irepresent the temperature value of i-th point for measuring temperature,
represent the mean value of the temperature value of whole point for measuring temperature.
Further, the method obtaining the standard deviation of the temperature value of several points for measuring temperature described comprises: the temperature value obtaining several points for measuring temperature of horizontal segment in the predetermined moment, and obtains the standard deviation of the temperature value of several points for measuring temperature described according to the mean value of the temperature value of several points for measuring temperature described.
Concrete, the cycle gas oil ratio Z under even steam injection mode can be adopted
2the cycle oil-gas ratio Z that cycle alternation rate (progressive increase rate or lapse rate) is predicted is considered with this well
1contrast, if Z
2> Z
1, then can think that this horizontal well even steam injection effect is effective.Wherein, described well cycle average alternation rate is the mean value of the difference of oil-gas ratio between these every two adjacent periods adopting before even steam injection mode.Corresponding steam stimulation horizontal well cycle alternation rate can) with reference to the average alternation rate of cycle to this cycle on block horizontal well.
Further, obtain actual average day produce oil to comprise with the method for the second difference of prediction average day produce oil: will adopt the produce oil and predict that the average day produce oil obtained does difference according to this well cycle average alternation rate of average day in cycle under even steam injection mode.
Concrete, by conversion under same units steam injection intensity, adopt the produce oil Q of average day in cycle under even steam injection mode
2the average day produce oil Q that the cycle average alternation rate (progressive increase rate or lapse rate) is predicted is considered with this well
1contrast, if Q
2> Q
1, then can think that this horizontal well even steam injection effect is effective.Wherein, described well cycle average alternation rate is the mean value of the difference of oil-gas ratio between these every two adjacent periods adopting before even steam injection mode.Corresponding steam stimulation horizontal well cycle alternation rate (progressive increase rate or lapse rate) reference is with the average alternation rate of cycle to this cycle on block horizontal well (progressive increase rate or lapse rate), the quantity of steam that corresponding steam injection intensity is injected for unit length horizontal well section, unit is m
3/ m.
Step 2, evaluates described steam stimulation horizontal well even steam injection effect according to any one in the standard deviation of the temperature value of several points for measuring temperature described, described first difference or described second difference.
The present invention evaluates according to three kinds of steam stimulation horizontal well even steam injection effects, is respectively: 1. " well temperature curve standard deviation evaluation assessment "; 2. " cycle average gas oil ratio evaluation assessment "; 3. " the day produce oil evaluation assessment under cycle unit steam injection intensity ".If evenly steam injection measure implement after horizontal well production effect meet evaluation method 1., evaluation method 2. or evaluation method 3. in any one, can think that horizontal well even steam injection measure effect is effective, therefore the priority of step is not limited to, as long as at least comprise at least one result of calculation in step 1, the evaluation to steam stimulation horizontal well even steam injection effect can be realized.
Below by specific embodiment, the steam stimulation horizontal well even steam injection effect evaluation method that the present invention proposes is described in detail.
Embodiment 1
One existing steam stimulation horizontal well, horizontal segment A point well depth 1000m, horizontal segment length 200m, all situation is employed for improving horizontal segment, horizontal well even steam injection measure is used in the period 3, getting 1000m, 1020m, 1040m, 1060m, 1080m, 1100m, 1120m, 1140m, 1160m, 1180m, 1200m is respectively point for measuring temperature, boil in a covered pot over a slow fire well second round and terminate rear well temperature, terminate rear well temperature second round, the period 3 boils in a covered pot over a slow fire well and terminate rear well temperature, it is as shown in table 1 that period 3 terminates rear well temperature, and well temperature curve as shown in Figure 2.
Table 1, temperature survey numerical value before and after even steam injection construction
Calculate the standard deviation after open flow second round: S
after second round is stewing=14.29, S
after period 3 is stewing=4.52; S
second round terminates=14.68, S
period 3 terminates=5.52.
Measure Effective judgement is carried out: due to S according to above-mentioned result of calculation
after period 3 is stewing< S
after second round is stewingand S
period 3 terminates< S
second round terminates, therefore judge that this horizontal well even steam injection measure is effective.
Embodiment 2
One existing horizontal well adopts horizontal well even steam injection mode to carry out steam injection in the period 5, this well period 4 oil-gas ratio is 0.18, period 5 oil-gas ratio 0.19, Ben Jing place block is through statistics, and this well place block steam stimulation horizontal well period 5 oil-gas ratio comparatively average lapse rate of period 4 oil-gas ratio is 10%.
This well period 4 oil-gas ratio is 0.18, and this well place block steam stimulation horizontal well period 5 oil-gas ratio comparatively average lapse rate of period 4 oil-gas ratio is 10%, then this well prediction period 5 oil-gas ratio Z
1be 0.162, after the even steam injection of this well period 5 carrying out horizontal well, cycle actual oil-gas ratio Z
2be 0.19, therefore Z
2> Z
1, therefore judge that the horizontal well even steam injection measure effect that the period 5 implements is effective.
Embodiment 3
One existing horizontal well adopts horizontal well even steam injection mode to carry out steam injection in the period 3, and this well steam injection second round intensity is 20m
3/ m, produce oil 10t/d of average day in cycle, period 3 steam injection intensity is similarly 20m
3/ m, produce oil 12t/d of average day in cycle, block identical steam injection intensity lower period 3 average day produce oil comparatively second round average day produce oil progressive increase rate be 8%.
Be 20m in steam injection intensity
3when/m, this well second round average day produce oil is 10t/d, according to block identical steam injection intensity lower period 3 average day produce oil comparatively second round average day produce oil progressive increase rate be 8%, therefore predict this well period 3 average day produce oil Q
1for 10.8t/d, and after the even steam injection of actual employing, this well period 3 average day produce oil Q
2for 12t/d, therefore judge Q
2> Q
1, so horizontal well even steam injection is effective.
In sum, the present invention is evaluated steam stimulation horizontal well even steam injection effect by any one in the standard deviation of the temperature value according to several points for measuring temperature, described first difference or described second difference, thus the effective evaluation achieved horizontal well even steam injection effect, for the well that the even steam injection of carrying out horizontal well is invalid, further can analyze, instruct this technology perfect further.
The foregoing is only illustrative, but not be restricted person.Anyly do not depart from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be included in claim.
Claims (7)
1. a steam stimulation horizontal well even steam injection effect evaluation method, is characterized in that, described method comprises:
Step 1, obtain the evaluating of described steam stimulation horizontal well even steam injection effect, described evaluating comprise the standard deviation of the temperature value of several points for measuring temperature, actual cycle oil-gas ratio and predetermined period oil-gas ratio the first difference or actual average day produce oil with at least one in the second difference of prediction average day produce oil;
Wherein, the method obtaining the standard deviation of the temperature value of several points for measuring temperature described comprises: the temperature value obtaining several points for measuring temperature of horizontal segment in the predetermined moment, and obtains the standard deviation of the temperature value of several points for measuring temperature described according to the mean value of the temperature value of several points for measuring temperature described;
Obtain actual oil-gas ratio to comprise with the method for the first difference of predicting oil/gas ratio: by the cycle gas oil ratio adopted under even steam injection mode with predict that the cycle oil-gas ratio obtained does difference according to this well cycle average alternation rate;
Obtain actual average day produce oil to comprise with the method for the second difference of prediction average day produce oil: will adopt the produce oil and predict that the average day produce oil obtained does difference according to this well cycle average alternation rate of average day in cycle under even steam injection mode;
Step 2, evaluates described steam stimulation horizontal well even steam injection effect according to described evaluating.
2. steam stimulation horizontal well even steam injection effect evaluation method as claimed in claim 1, it is characterized in that, the described predetermined moment comprise even steam injection measure before the last cycle boil in a covered pot over a slow fire well open flow after, last end cycle evenly before steam injection measure time, evenly steam injection implement after this cycle boil in a covered pot over a slow fire well open flow after and evenly steam injection implement after this cycle at the end of.
3. steam stimulation horizontal well even steam injection effect evaluation method as claimed in claim 2, it is characterized in that, carry out evaluation according to described evaluating to described steam stimulation horizontal well even steam injection effect to comprise: if this cycle after described even steam injection is implemented boil in a covered pot over a slow fire well open flow after standard deviation last cycle be less than before described even steam injection measure of the temperature value of several points for measuring temperature of obtaining boil in a covered pot over a slow fire well open flow after the standard deviation of the temperature value of several points for measuring temperature that obtains, and, the standard deviation of the temperature value of several points for measuring temperature that the standard deviation of the temperature value of several points for measuring temperature obtained at the end of this cycle after described even steam injection is implemented obtains when being less than the last end cycle before described even steam injection measure, then described horizontal well even steam injection is evaluated as effectively.
4. the steam stimulation horizontal well even steam injection effect evaluation method as described in claims 1 to 3 any one, is characterized in that, the standard deviation of the temperature value of several points for measuring temperature described is obtained by following formulae discovery:
Wherein, S represents the standard deviation of the temperature value of several points for measuring temperature, and N represents the quantity of point for measuring temperature, and i represents the random natural number of 1 to N, and N represents natural number, T
irepresent the temperature value of i-th point for measuring temperature,
represent the mean value of the temperature value of whole point for measuring temperature.
5. steam stimulation horizontal well even steam injection effect evaluation method as claimed in claim 1, is characterized in that, described well cycle average alternation rate is the mean value of the difference of oil-gas ratio between these every two adjacent periods adopting before even steam injection mode.
6. steam stimulation horizontal well even steam injection effect evaluation method as claimed in claim 5, it is characterized in that, carry out evaluation according to described first difference to described steam stimulation horizontal well even steam injection effect to comprise: if described first difference is greater than zero, then described horizontal well even steam injection is evaluated as effectively.
7. steam stimulation horizontal well even steam injection effect evaluation method as claimed in claim 5, it is characterized in that, carry out evaluation according to described second difference to described steam stimulation horizontal well even steam injection effect to comprise: if described second difference is greater than zero, then described horizontal well even steam injection is evaluated as effectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561821.2A CN104408541A (en) | 2014-10-21 | 2014-10-21 | Method for evaluating uniform steam injection effect of steam huff and puff horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561821.2A CN104408541A (en) | 2014-10-21 | 2014-10-21 | Method for evaluating uniform steam injection effect of steam huff and puff horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104408541A true CN104408541A (en) | 2015-03-11 |
Family
ID=52646170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410561821.2A Pending CN104408541A (en) | 2014-10-21 | 2014-10-21 | Method for evaluating uniform steam injection effect of steam huff and puff horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104408541A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740639A (en) * | 2016-02-19 | 2016-07-06 | 中国石油天然气股份有限公司 | Horizontal well geological three-dimensional guiding method |
| CN105971574A (en) * | 2016-05-31 | 2016-09-28 | 中国海洋石油总公司 | Thermal recovery valid period evaluation method for multi-element thermal fluid throughput |
| CN106651158A (en) * | 2016-12-08 | 2017-05-10 | 中国石油天然气股份有限公司 | Quantitative evaluation method for water injection development effectiveness degree of ultra-low permeability tight reservoir horizontal well |
| US10196884B2 (en) | 2016-04-29 | 2019-02-05 | Petrochina Company Limited | Method for enhancing oil recovery in huff-puff oil production of tight oil from a fractured horizontal well |
| CN111411927A (en) * | 2020-03-30 | 2020-07-14 | 中国石油大学(华东) | Method for adjusting steam injection mode in steam huff and puff process |
| CN115405273A (en) * | 2021-05-27 | 2022-11-29 | 中国石油天然气股份有限公司 | Integrated learning-based thickened oil multi-medium huff-and-puff intelligent mining method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145235A (en) * | 2007-06-29 | 2008-03-19 | 中国石化集团胜利石油管理局 | Oil field development decision-making system |
| US20090229818A1 (en) * | 2006-04-11 | 2009-09-17 | David William Tuk | System and Method For Management of Steam Flooding For Oil Wells |
| CN103867174A (en) * | 2014-02-26 | 2014-06-18 | 中国石油天然气股份有限公司 | Analysis method and system for steam suction condition of thickened oil horizontal well |
-
2014
- 2014-10-21 CN CN201410561821.2A patent/CN104408541A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090229818A1 (en) * | 2006-04-11 | 2009-09-17 | David William Tuk | System and Method For Management of Steam Flooding For Oil Wells |
| CN101145235A (en) * | 2007-06-29 | 2008-03-19 | 中国石化集团胜利石油管理局 | Oil field development decision-making system |
| CN103867174A (en) * | 2014-02-26 | 2014-06-18 | 中国石油天然气股份有限公司 | Analysis method and system for steam suction condition of thickened oil horizontal well |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740639A (en) * | 2016-02-19 | 2016-07-06 | 中国石油天然气股份有限公司 | Horizontal well geological three-dimensional guiding method |
| US10196884B2 (en) | 2016-04-29 | 2019-02-05 | Petrochina Company Limited | Method for enhancing oil recovery in huff-puff oil production of tight oil from a fractured horizontal well |
| CN105971574A (en) * | 2016-05-31 | 2016-09-28 | 中国海洋石油总公司 | Thermal recovery valid period evaluation method for multi-element thermal fluid throughput |
| CN106651158A (en) * | 2016-12-08 | 2017-05-10 | 中国石油天然气股份有限公司 | Quantitative evaluation method for water injection development effectiveness degree of ultra-low permeability tight reservoir horizontal well |
| CN106651158B (en) * | 2016-12-08 | 2020-01-03 | 中国石油天然气股份有限公司 | Quantitative evaluation method for water injection development effectiveness degree of ultra-low permeability tight reservoir horizontal well |
| CN111411927A (en) * | 2020-03-30 | 2020-07-14 | 中国石油大学(华东) | Method for adjusting steam injection mode in steam huff and puff process |
| CN111411927B (en) * | 2020-03-30 | 2022-07-29 | 中国石油大学(华东) | Method for adjusting steam injection mode in steam huff and puff process |
| CN115405273A (en) * | 2021-05-27 | 2022-11-29 | 中国石油天然气股份有限公司 | Integrated learning-based thickened oil multi-medium huff-and-puff intelligent mining method and device |
| CN115405273B (en) * | 2021-05-27 | 2023-07-25 | 中国石油天然气股份有限公司 | Thickened oil multi-medium throughput intelligent mining method and device based on ensemble learning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104408541A (en) | Method for evaluating uniform steam injection effect of steam huff and puff horizontal well | |
| Zeng et al. | Analysis of influencing factors of production performance of enhanced geothermal system: A case study at Yangbajing geothermal field | |
| CN105631138B (en) | Reservoir Development bottom-water oil reservoir dynamic analysing method | |
| CN104695950A (en) | Prediction method for volcanic rock oil reservoir productivity | |
| CN103590818B (en) | Method and device for semi-analytically determining temperature distribution in shaft | |
| CN103867174B (en) | Analysis method and system for steam suction condition of thickened oil horizontal well | |
| CN103590798B (en) | Method for determining soaking time of super heavy oil steam injection oil production and calculating device | |
| CN103628868A (en) | Method for predicating oil production quantity in high-volatility oil deposit natural gas injection development | |
| RU2580547C1 (en) | Method for determining profile of water injection in injection well | |
| CN102587887B (en) | Forecasting method for gas well condition | |
| CN104376188B (en) | A kind of computational methods of geothermal well heat loss | |
| RU2014144308A (en) | SYSTEM AND METHOD FOR ANALYSIS OF PRESSURE DATA IN A COLLECTOR | |
| CN103884738A (en) | Method for evaluating terrestrial heat single-well stratum thermal property distribution | |
| Czarnota et al. | Semianalytical horizontal well length optimization under pseudosteady-state conditions | |
| CN106194135A (en) | Circulating preheating method and device in double-horizontal-well steam-assisted gravity oil drainage process | |
| CN106503284B (en) | Shale gas horizontal well horizontal segment gas-bearing formation produces gas evaluation method | |
| CN110410062A (en) | The real-time output of viscous crude SAGD horizontal well surveys prison-underground control implementation method | |
| CN106150454B (en) | Offshore oilfield vector quantization production and injection proration method | |
| CN114154331B (en) | SAGD development efficiency evaluation method based on energy efficiency model | |
| CN104675372A (en) | Method for distributing polymer flooding injection rate and polymer flooding produced rate | |
| CN104632122A (en) | Block profile control well selection method used in low-permeability fractured reservoir | |
| CN106468160A (en) | A kind of determination CO2Drive method and the CO of foam stream oil ingredient2The analogy method driven | |
| Aguilar et al. | CSS performance in sands of samaria tertiary field, Mexico | |
| CN105550780A (en) | Method and device for predicting cold damage of fracturing fluid to capacity of compact oil | |
| Torres-Mora et al. | Chemical tracer test in Las Pailas Geothermal Field, Costa Rica |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |