CN111720109A - A dry gas well production simulation device and method based on constant production - Google Patents
A dry gas well production simulation device and method based on constant production Download PDFInfo
- Publication number
- CN111720109A CN111720109A CN202010618882.3A CN202010618882A CN111720109A CN 111720109 A CN111720109 A CN 111720109A CN 202010618882 A CN202010618882 A CN 202010618882A CN 111720109 A CN111720109 A CN 111720109A
- Authority
- CN
- China
- Prior art keywords
- pressure
- production
- core holder
- core
- control valve
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 107
- 238000004088 simulation Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 71
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 7
- 230000007423 decrease Effects 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Images
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from 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
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
本发明公开了一种基于定产量生产的干气井生产模拟装置及方法,可以进行干气井产气规律物理模拟,得到干气井产气规律。包括依次串联的第一恒速恒压泵、第一控制阀、中间容器、第二控制阀、第一岩心夹持器、第三控制阀、调压阀、第二岩心夹持器、回压阀、流量计,所述中间容器、第二控制阀之间通过三通接头依次连接有第四控制阀、氮气气瓶,所述第一岩心夹持器通过加热系统进行温度控制,第一岩心夹持器通过围压系统设置围压,所述第二岩心夹持器通过围压自动跟踪泵设置围压,所述回压阀通过第二恒速恒压泵设置回压,第一岩心夹持器之间的两端、第二岩心夹持器的两端分别设有压力传感器,用于压力追踪。
The invention discloses a dry gas well production simulation device and method based on constant production production, which can carry out physical simulation of the gas production law of the dry gas well and obtain the gas production law of the dry gas well. Including the first constant speed and constant pressure pump, the first control valve, the intermediate container, the second control valve, the first core holder, the third control valve, the pressure regulating valve, the second core holder, the back pressure valve and flowmeter, a fourth control valve and a nitrogen gas cylinder are sequentially connected between the intermediate container and the second control valve through a three-way joint, the temperature of the first core holder is controlled by a heating system, and the first core The gripper sets the confining pressure through the confining pressure system, the second core holder sets the confining pressure through the confining pressure automatic tracking pump, the back pressure valve sets the back pressure through the second constant speed and constant pressure pump, and the first core clamp sets the confining pressure through the confining pressure system. The two ends between the holders and the two ends of the second core holder are respectively provided with pressure sensors for pressure tracking.
Description
技术领域technical field
本发明属于油气开采实验技术领域,主要涉及一种室内模拟在定产量生产制度条件下气井产气规律的物理模拟装置和方法。The invention belongs to the technical field of oil and gas exploitation experiments, and mainly relates to a physical simulation device and method for indoor simulation of the gas production law of a gas well under the condition of a constant production production system.
背景技术Background technique
传统气井产量的递减规律主要是基于已有的生产数据使用气藏工程的方法或者数值模拟的方法进行研究,传统气井产量的确定方法主要是对同类气井的借鉴,相同气藏的气井基本使用相同的产量确定标准。但是,由于实际气井生产具有单向性(生产不能重现,参数不能重置),导致气井实际产量与最佳产量之间差异过大。The production decline law of traditional gas wells is mainly studied based on the existing production data using the method of gas reservoir engineering or numerical simulation. The method of determining the production of traditional gas wells is mainly based on the reference of similar gas wells, and the gas wells in the same gas reservoir basically use the same method. yield determination standard. However, due to the unidirectionality of actual gas well production (production cannot be reproduced and parameters cannot be reset), the difference between the actual well production and the optimal production is too large.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于克服现有技术的不足,提供一种基于定产量生产的干气井生产模拟装置及方法,可以进行干气井产气规律物理模拟,得到干气井产气规律。The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a dry gas well production simulation device and method based on constant production production, which can perform physical simulation of the gas production law of dry gas wells to obtain the gas production law of dry gas wells.
本发明的目的是这样实现的:The object of the present invention is achieved in this way:
一种基于定产量生产的干气井生产模拟装置,包括依次串联的第一恒速恒压泵、第一控制阀、中间容器、第二控制阀、第一岩心夹持器、第三控制阀、调压阀、第二岩心夹持器、回压阀、流量计,所述中间容器、第二控制阀之间通过三通接头依次连接有第四控制阀、氮气气瓶,所述第一岩心夹持器通过加热系统进行温度控制,第一岩心夹持器通过围压系统设置围压,所述第二岩心夹持器通过围压自动跟踪泵设置围压,所述回压阀通过第二恒速恒压泵设置回压,第一岩心夹持器之间的两端、第二岩心夹持器的两端分别设有压力传感器,用于压力追踪。A dry gas well production simulation device based on constant output production, comprising a first constant speed and constant pressure pump, a first control valve, an intermediate container, a second control valve, a first core holder, a third control valve, A pressure regulating valve, a second core holder, a back pressure valve, and a flow meter. A fourth control valve and a nitrogen gas cylinder are sequentially connected between the intermediate container and the second control valve through a three-way joint. The first core The temperature of the holder is controlled by the heating system, the confining pressure of the first core holder is set by the confining pressure system, the confining pressure of the second core holder is set by the confining pressure automatic tracking pump, and the back pressure valve is set by the second The constant speed and constant pressure pump is provided with back pressure, and the two ends between the first core holder and the two ends of the second core holder are respectively provided with pressure sensors for pressure tracking.
优选地,所述第一岩心夹持器连接第一压力表,所述第二岩心夹持器连接第二压力表,用于检测围压。Preferably, the first core holder is connected to a first pressure gauge, and the second core holder is connected to a second pressure gauge for detecting confining pressure.
优选地,还包括数据采集系统,所述流量计以及各压力传感器分别与数据采集系统连接,用于采集压力数据、流量数据。Preferably, a data acquisition system is also included, wherein the flowmeter and each pressure sensor are respectively connected to the data acquisition system for collecting pressure data and flow data.
优选地,围压自动跟踪泵的跟踪管线连接于第二岩心夹持器的进口端,用于追踪第二岩心夹持器的进口端压力。Preferably, the tracking pipeline of the automatic confining pressure tracking pump is connected to the inlet end of the second core holder for tracking the pressure at the inlet end of the second core holder.
优选地,所述第一岩心夹持器、围压系统之间的管路上设置第五控制阀,用于稳定围压。Preferably, a fifth control valve is arranged on the pipeline between the first core holder and the confining pressure system to stabilize the confining pressure.
一种基于定产量生产的干气井生产模拟方法,包括:A dry gas well production simulation method based on constant production production, comprising:
取目的层致密砂岩制备第一岩心、第二岩心,并将第一岩心装入第一岩心夹持器中,将第二岩心装入第二岩心夹持器中;The tight sandstone of the target layer is taken to prepare the first core and the second core, and the first core is loaded into the first core holder, and the second core is loaded into the second core holder;
启动加热系统、围压系统,在第一岩心夹持器内模拟目的层的外环境,设目的层的地层压力为P;Start the heating system and the confining pressure system, simulate the external environment of the target layer in the first core holder, and set the formation pressure of the target layer to be P;
关闭第一控制阀和第二控制阀,打开第四控制阀,向中间容器中充入足量氮气,再关闭第四控制阀;Close the first control valve and the second control valve, open the fourth control valve, fill a sufficient amount of nitrogen into the intermediate container, and then close the fourth control valve;
打开第一控制阀和第二控制阀,启动第一恒速恒压泵,向第一岩心夹持器中充入氮气,待达到压力P后,依次关闭第一恒速恒压泵,第一控制阀和第二控制阀,直至压力稳定;Open the first control valve and the second control valve, start the first constant speed and constant pressure pump, and fill the first core holder with nitrogen gas. When the pressure P is reached, turn off the first constant speed and constant pressure pump in turn. control valve and second control valve until the pressure stabilizes;
根据所需生产压差调节调压阀,对第二岩心夹持器进口端气压进行减压,减压后,第二岩心夹持器进口端的气体压力为P1,第二岩心夹持器出口端压力为P2;Adjust the pressure regulating valve according to the required production pressure difference to decompress the air pressure at the inlet end of the second core holder. After decompression, the gas pressure at the inlet end of the second core holder is P 1 , and the outlet of the second core holder The end pressure is P 2 ;
利用围压自动跟踪泵设置压差,跟踪第二岩心夹持器进口端气体压力P1,进而自动变换产生围压;Use the confining pressure automatic tracking pump to set the pressure difference, track the gas pressure P 1 at the inlet end of the second core holder, and then automatically transform to generate the confining pressure;
根据气层废弃压力,利用第二恒速恒压泵对回压阀给定回压P3,打开第三控制阀,调节调压阀开始模拟生产,用压力传感器监测第一岩心夹持器与第二岩心夹持器两端压力随时间的变化曲线,并同步监测流量计中气体流量随时间的变化曲线,直至生产结束;According to the waste pressure of the gas layer, the second constant speed and constant pressure pump is used to give a back pressure P 3 to the back pressure valve, the third control valve is opened, the pressure regulating valve is adjusted to start simulating production, and the pressure sensor is used to monitor the relationship between the first core holder and the first core holder. The variation curve of the pressure at both ends of the second core holder with time, and the variation curve of the gas flow rate with time in the flowmeter is monitored synchronously until the end of production;
系统生产压差为ΔP=P1-P3,当P>P1,气井生产模拟系统为稳产阶段,当P=P1时,气井生产模拟系统开始由稳产阶段转为递减阶段,此时P与P1同时降低,当P=P1=P3时,气井生产模拟系统停止模拟生产。The system production pressure difference is ΔP=P 1 -P 3 . When P>P 1 , the gas well production simulation system is in the stable production stage. When P=P 1 , the gas well production simulation system begins to change from the stable production stage to the declining stage. At this time, P At the same time as P 1 decreases, when P=P 1 =P 3 , the gas well production simulation system stops simulating production.
优选地,第一岩心、第二岩心的制备方法为:将岩心烘干至恒重,再放置冷却器中,冷却至室温,测量岩心的长度和直径,第二岩心的渗透率低于第一岩心的渗透率。Preferably, the preparation method of the first core and the second core is as follows: drying the core to a constant weight, placing it in a cooler, cooling to room temperature, measuring the length and diameter of the core, and the permeability of the second core is lower than that of the first core Core permeability.
优选地,模拟生产之前,将第一岩心夹持器、第二岩心夹持器预填充气体以保证实验数据的连续性。Preferably, before simulating production, the first core holder and the second core holder are pre-filled with gas to ensure the continuity of experimental data.
优选地,通过改变生产压差,多次进行生产模拟,得到该干气井产气规律。Preferably, the gas production law of the dry gas well is obtained by changing the production pressure difference and performing production simulation for many times.
由于采用了上述技术方案,本发明具有如下有益效果:Owing to adopting the above-mentioned technical scheme, the present invention has the following beneficial effects:
本发明提供的物理模拟装置及方法主要是基于干气井的生产特征和气藏的物性特征,在室内模拟储层的温度和压力等条件下,使用储层岩心或人造岩心模拟气藏储层;基于压力自动跟踪控制技术,发明实验过程中的产量控制装置模拟气井井口节流装置;使用现有产量递减和压力递减分析方法,可以分析实验测试数据呈现出来的规律。The physical simulation device and method provided by the present invention are mainly based on the production characteristics of dry gas wells and the physical properties of gas reservoirs, and use reservoir cores or artificial cores to simulate gas reservoirs under the conditions of indoor simulated reservoir temperature and pressure; The pressure automatic tracking control technology is invented to simulate the wellhead throttling device of the gas well during the experimental process; the existing production decline and pressure decline analysis methods can be used to analyze the laws presented by the experimental test data.
本发明的优点主要有:The advantages of the present invention mainly include:
(1)与传统的经过简化地层渗流过程建立模型进行理论计算的气井配产方法相比,本发明基于致密砂岩气层气体产出的过程,更加真实的还原储层气体产出的条件,减小了配产误差;(1) Compared with the traditional gas well production allocation method in which a model is established by simplifying the formation seepage process for theoretical calculation, the present invention is based on the gas production process of the tight sandstone gas layer, which more realistically reduces the conditions for reservoir gas production and reduces the Less production error;
(2)利用相似原理,建立起了室内实验结果与矿场生产数据的桥梁,可以指导现场的合理配产;(2) Using the similarity principle, a bridge between the results of indoor experiments and the production data of the mine is established, which can guide the rational allocation of production on site;
(3)操作工艺简单,经济成本低;(3) The operation process is simple and the economic cost is low;
(4)针对性强、重复性好,便于长时间地开展实验。(4) It has strong pertinence and good repeatability, which is convenient to carry out experiments for a long time.
附图说明Description of drawings
图1为本发明的结构示意图;Fig. 1 is the structural representation of the present invention;
图2-图5为模拟生产实验结果图。Figures 2-5 are the results of the simulated production experiments.
1.氮气气瓶,2、5、7、13、17.控制阀,3、8、15、25.三通接头,4.中间容器,6、26.恒速恒压泵,9、16、20、24.压力传感器,10.第一岩心夹持器,11、21.压力表,12.加热系统,14.围压系统,18.调压阀,19.四通接头,22.第二岩心夹持器,23.围压自动跟踪泵,27.回压阀,28.流量计,29.数据采集系统。1. Nitrogen gas cylinder, 2, 5, 7, 13, 17. Control valve, 3, 8, 15, 25. Tee joint, 4. Intermediate container, 6, 26. Constant speed and constant pressure pump, 9, 16, 20, 24. Pressure sensor, 10. First core holder, 11, 21. Pressure gauge, 12. Heating system, 14. Confining pressure system, 18. Pressure regulating valve, 19. Four-way joint, 22. Second Core holder, 23. Confining pressure automatic tracking pump, 27. Back pressure valve, 28. Flow meter, 29. Data acquisition system.
具体实施方式Detailed ways
一种基于定产量生产的干气井生产模拟装置,包括依次串联的第一恒速恒压泵6、第一控制阀5、中间容器4、第二控制阀7、第一岩心夹持器10(38mm岩心夹持器)、第三控制阀17、调压阀18、第二岩心夹持器22(25mm岩心夹持器)、回压阀27、流量计28,所述中间容器4、第二控制阀7之间通过三通接头3依次连接有第四控制阀2、氮气气瓶1,所述第一岩心夹持器10通过加热系统12进行温度控制,第一岩心夹持器10通过围压系统14设置围压,围压系统14采用常规围压系统,所述第二岩心夹持器22通过围压自动跟踪泵23设置围压,这部分选择自动跟踪泵设置压差是因为待调压过后,调压阀出口端压力会略有些不稳定,利用自动跟踪泵可以更方便的调节围压与第二岩心夹持器入口端的压差,同时消除应力敏感效应的影响。利用自动跟踪泵可以更方便的控制压力,为了更好的维持稳产。所述回压阀27通过第二恒速恒压泵26设置回压,第一岩心夹持器之间10的两端、第二岩心夹持器22的两端分别设有压力传感器,用于压力追踪。A dry gas well production simulation device based on constant production production, comprising a first constant speed and
围压自动跟踪泵23的跟踪管线连接于第二岩心夹持器22的进口端,用于追踪第二岩心夹持器22的进口端压力。所述第一岩心夹持器10连接第一压力表11,所述第二岩心夹持器22连接第二压力表21,用于检测围压。所述第一岩心夹持器10、围压系统14之间的管路上设置第五控制阀13,用于稳定围压。实验过程中围压很高,当手摇泵打到头需要重新吸液的时候,应当关闭阀门13,待吸液结束继续增压时,继续保持第五控制阀13关闭,先将围压泵压力增至与夹持器围压基本相等,再打开第五控制阀13继续增加夹持器的围压。防止手摇泵吸液后泵体压力降低,导致夹持器围压随之降低,以稳定围压。还包括数据采集系统29,所述流量计28以及各压力传感器分别与数据采集系统29连接,用于采集压力数据、流量数据。The tracking pipeline of the confining pressure
一种基于定产量生产的干气井生产模拟方法,包括:A dry gas well production simulation method based on constant production production, comprising:
取目的层致密砂岩制备第一岩心、第二岩心,并将第一岩心装入第一岩心夹持器10中,将第二岩心装入第二岩心夹持器22中;第一岩心、第二岩心的制备方法为:将岩心100℃条件下烘干至恒重,再放置冷却器中,冷却至室温,测量岩心的长度和直径,使其适配岩心夹持器。第二岩心的渗透率低于第一岩心的渗透率,以对应所需压力,第二岩心根据放气速度的快慢进行选择。The tight sandstone of the target layer is taken to prepare the first core and the second core, and the first core is loaded into the
模拟生产之前,将第一岩心夹持器10、第二岩心夹持器22预填充气体以保证实验数据的连续性。Before simulating production, the
启动加热系统12、围压系统14,在第一岩心夹持器10内模拟目的层的外环境,设目的层的地层压力为P;Start the
关闭第一控制阀5和第二控制阀7,打开第四控制阀2,向中间容器4中充入足量氮气,再关闭第四控制阀2;Close the
打开第一控制阀5和第二控制阀7,启动第一恒速恒压泵6,向第一岩心夹持器10中充入氮气,待达到压力P后,依次关闭第一恒速恒压泵6,第一控制阀5和第二控制阀7,直至压力稳定;Open the
根据所需生产压差调节调压阀18,对第二岩心夹持器22进口端气压进行减压,减压后,第二岩心夹持器22进口端的气体压力为P1,第二岩心夹持器22出口端压力为P2;Adjust the
利用围压自动跟踪泵23设置压差,跟踪第二岩心夹持器22进口端气体压力P1,进而自动变换产生围压;Use the confining pressure
根据气层废弃压力,利用第二恒速恒压泵26对回压阀27给定回压P3,打开第三控制阀17,调节调压阀18开始模拟生产,分别用压力传感器9、16、20和24监测第一岩心夹持器10与第二岩心夹持器22两端压力随时间的变化曲线,并同步监测流量计28中气体流量随时间的变化曲线,直至生产结束;According to the waste pressure of the gas layer, the second constant speed
系统生产压差为ΔP=P1-P3,当P>P1,气井生产模拟系统为稳产阶段,当P=P1时,气井生产模拟系统开始由稳产阶段转为递减阶段,此时P与P1同时降低,当P=P1=P3时,气井生产模拟系统停止模拟生产。The system production pressure difference is ΔP=P 1 -P 3 . When P>P 1 , the gas well production simulation system is in the stable production stage. When P=P 1 , the gas well production simulation system begins to change from the stable production stage to the declining stage. At this time, P At the same time as P 1 decreases, when P=P 1 =P 3 , the gas well production simulation system stops simulating production.
通过改变生产压差,多次进行生产模拟,得到该干气井产气规律。By changing the production pressure difference and performing production simulations many times, the gas production law of the dry gas well is obtained.
最后说明的是,以上优选实施例仅用以说明本发明的技术方案而非限制,尽管通过上述优选实施例已经对本发明进行了详细的描述,但本领域技术人员应当理解,可以在形式上和细节上对其作出各种各样的改变,而不偏离本发明权利要求书所限定的范围。Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should Various changes may be made in details without departing from the scope of the invention as defined by the claims.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010618882.3A CN111720109B (en) | 2020-07-01 | 2020-07-01 | A dry gas well production simulation device and method based on constant output production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010618882.3A CN111720109B (en) | 2020-07-01 | 2020-07-01 | A dry gas well production simulation device and method based on constant output production |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111720109A true CN111720109A (en) | 2020-09-29 |
CN111720109B CN111720109B (en) | 2022-08-02 |
Family
ID=72570772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010618882.3A Active CN111720109B (en) | 2020-07-01 | 2020-07-01 | A dry gas well production simulation device and method based on constant output production |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111720109B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114021821A (en) * | 2021-11-08 | 2022-02-08 | 四川省科源工程技术测试中心 | A Gas Reservoir Recovery Prediction Method Based on Multiple Regression |
CN114720655A (en) * | 2022-03-21 | 2022-07-08 | 重庆科技学院 | System and method for simultaneously measuring gas output characteristics of rock cores in different occurrence states |
CN114720339A (en) * | 2021-01-05 | 2022-07-08 | 中国石油天然气股份有限公司 | Device and method for stress-sensitive continuous measurement of core variable flow pressure and constant confining pressure permeability |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020084074A1 (en) * | 2000-04-24 | 2002-07-04 | De Rouffignac Eric Pierre | In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation |
US20030178191A1 (en) * | 2000-04-24 | 2003-09-25 | Maher Kevin Albert | In situ recovery from a kerogen and liquid hydrocarbon containing formation |
CN101667353A (en) * | 2008-09-03 | 2010-03-10 | 中国石油天然气股份有限公司 | Gas reservoir development dynamic physical simulation method and device thereof |
CN103556993A (en) * | 2013-11-07 | 2014-02-05 | 中国石油大学(北京) | Simulation experimental analog method for low permeability oilfield planar five-spot well pattern carbon dioxide flooding |
CN104612674A (en) * | 2015-01-29 | 2015-05-13 | 中国石油大学(北京) | Simulate fracture-cavity type carbonate reservoir huff and puff test device and method |
CN105300866A (en) * | 2015-10-12 | 2016-02-03 | 中国石油天然气股份有限公司 | Variable-pressure soaking double-medium long core experiment method |
-
2020
- 2020-07-01 CN CN202010618882.3A patent/CN111720109B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020084074A1 (en) * | 2000-04-24 | 2002-07-04 | De Rouffignac Eric Pierre | In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation |
US20030178191A1 (en) * | 2000-04-24 | 2003-09-25 | Maher Kevin Albert | In situ recovery from a kerogen and liquid hydrocarbon containing formation |
CN101667353A (en) * | 2008-09-03 | 2010-03-10 | 中国石油天然气股份有限公司 | Gas reservoir development dynamic physical simulation method and device thereof |
CN103556993A (en) * | 2013-11-07 | 2014-02-05 | 中国石油大学(北京) | Simulation experimental analog method for low permeability oilfield planar five-spot well pattern carbon dioxide flooding |
CN104612674A (en) * | 2015-01-29 | 2015-05-13 | 中国石油大学(北京) | Simulate fracture-cavity type carbonate reservoir huff and puff test device and method |
CN105300866A (en) * | 2015-10-12 | 2016-02-03 | 中国石油天然气股份有限公司 | Variable-pressure soaking double-medium long core experiment method |
Non-Patent Citations (2)
Title |
---|
张冲等: "龙凤山特低孔特低渗凝析气藏反凝析伤害实验研究", 《西安石油大学学报(自然科学版)》 * |
胡勇: "致密砂岩气藏储层渗流机理研究", 《中国优秀硕士学位论文数据库信息科技1辑》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114720339A (en) * | 2021-01-05 | 2022-07-08 | 中国石油天然气股份有限公司 | Device and method for stress-sensitive continuous measurement of core variable flow pressure and constant confining pressure permeability |
CN114021821A (en) * | 2021-11-08 | 2022-02-08 | 四川省科源工程技术测试中心 | A Gas Reservoir Recovery Prediction Method Based on Multiple Regression |
CN114720655A (en) * | 2022-03-21 | 2022-07-08 | 重庆科技学院 | System and method for simultaneously measuring gas output characteristics of rock cores in different occurrence states |
Also Published As
Publication number | Publication date |
---|---|
CN111720109B (en) | 2022-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103645126B (en) | Stratum high-temperature high-pressure air-water phase percolation curve assay method | |
CN111720109B (en) | A dry gas well production simulation device and method based on constant output production | |
CN206609743U (en) | Water drive gas reservoir water enchroachment (invasion) dynamic holdup loses experiment test system | |
CN102323180B (en) | Method for measuring instantaneous three-dimensional soil air permeability and measuring device | |
CN206410978U (en) | A kind of tight rock gas phase relative permeability measurement apparatus | |
CN106525690A (en) | Method for measuring gas-water relative permeability curve by tight sandstone steady-state method | |
CN103163059A (en) | Coal rock porosity, permeability and electroacoustic stress-strain combined measuring device under overburden pressure and heating | |
CN109975140A (en) | Supercritical carbon dioxide pulse fracturing and permeability testing integrated experimental device and method | |
CN110261569B (en) | Simulation experiment system and method for coal seam gas extraction based on pipe network system | |
CN108316916A (en) | Mining pressure drop under different conditions of coal bed gas reservoir controls simulation experiment method | |
CN107192632A (en) | A kind of device and method for measuring shale gas reservoir air content | |
CN103207137A (en) | Device for fully automatically measuring penetration rate and void ratio of compact rock under dynamic confining pressure | |
CN208224038U (en) | A kind of experimental provision for surveying permeability during the rock failure mechanism of rock in real time with constant flow | |
CN115200977B (en) | Core stress sensitivity evaluation device and method under high temperature and high pressure conditions | |
CN113686750A (en) | A test device and application of CO2 seepage characteristics in coal-measure strata | |
CN111720111B (en) | A production simulation device and method for water-producing gas wells based on constant production | |
CN203178164U (en) | Coal rock porosity-permeability electro-acoustic stress-strain combined measurement device under pressurization heating | |
CN102914485B (en) | Device and method for testing deviation factor of natural gas in porous medium | |
CN205449758U (en) | Outlet pressure adjustable coal petrography seepage flow experimental system | |
CN115060757A (en) | Shale fracturing fracture and in-matrix fluid saturation online monitoring method | |
CN207946337U (en) | A shale imbibition measurement device | |
CN104316448B (en) | A Prediction Method for Dynamic Change of Gas Phase Permeability of High-order Coal Rock | |
CN210015106U (en) | A gas-reservoir driving test device | |
CN110778355B (en) | In-situ drainage and mining test device and method for coal bed gas | |
CN108169098A (en) | The reasonable mining speed simulator of coal bed gas straight well single-phase flow |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |