CN115372197B - Evaluation method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time - Google Patents
Evaluation method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time Download PDFInfo
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 70
- 238000009792 diffusion process Methods 0.000 title claims abstract description 49
- 230000000694 effects Effects 0.000 title claims abstract description 44
- 230000008961 swelling Effects 0.000 title claims abstract description 43
- 239000004927 clay Substances 0.000 title claims abstract description 42
- 238000011156 evaluation Methods 0.000 title claims abstract description 19
- 238000005213 imbibition Methods 0.000 claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- 239000011435 rock Substances 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 9
- 230000035515 penetration Effects 0.000 claims abstract description 4
- -1 salt ion Chemical class 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 4
- 230000036962 time dependent Effects 0.000 claims description 4
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- 150000002500 ions Chemical class 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000002522 swelling effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000003345 natural gas Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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Abstract
The invention discloses an evaluation method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time, which comprises the following steps: completely immersing the dried rock core in the imbibition solution, and monitoring the water absorption quality of the rock core and the salt ion concentration in the imbibition solution in real time until the water absorption quality of the rock core and the salt ion concentration in the imbibition solution are stable; normalizing the data of the water absorption quality of the core changing along with time and drawing to obtain a curve of the normalized core penetration amount changing along with time; normalizing the data of the change of the salt ion concentration in the imbibition solution along with the time and drawing to obtain a curve of the diffusion amount of the salt ion in the normalized imbibition solution along with the time; and calculating the swelling oil displacement strength by using the data of the two curves and evaluating the swelling oil displacement effect of the clay. The invention overcomes the defect that the conventional imbibition oil displacement evaluation method cannot evaluate the imbibition oil displacement effect of the clay, and realizes the goal of quantifying the imbibition oil displacement effect of the clay by imbibition-ion diffusion lag time.
Description
Technical Field
The invention belongs to the field of petroleum engineering natural gas development, and is mainly used for evaluating an oil displacement effect, in particular to an evaluation method for quantifying a clay swelling oil displacement effect based on imbibition-ion diffusion lag time.
Background
Along with the shortage of oil and gas resources, the development of efficient unconventional oil and gas resources, especially compact oil resource technology is imperative.
Because of the typically very low porosity and permeability of tight reservoirs, pore throat structures are very complex and conventional production methods have not been fully applicable to the development of such reservoirs. Based on the tiny pore throats, the phenomenon of capillary force is very obvious, and recently, the proposed method for displacing oil gas in the pores of the rock by utilizing capillary force as driving force to enable fluid in cracks to enter the rock is very effective for exploiting dense oil reservoirs, and the exploiting mode is the so-called imbibition method oil extraction mode.
The oil displacement effect in the imbibition process is accurately and effectively evaluated, and is an important precondition for scientifically making a reasonable production system and developing the maximum benefit. Through research on the prior art, the conventional imbibition displacement evaluation method at present is mainly characterized by imbibition volume method and imbibition quality method. However, both the above two methods neglect the ion change caused by the swelling action of the clay and the difference between the penetration of the fracturing fluid into the reservoir through the porous medium, that is, the conventional method does not consider the diffusion action of salt ions, so that the swelling oil displacement effect of the clay cannot be accurately and quantitatively evaluated.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an evaluation method for quantifying the clay swelling oil displacement effect based on the imbibition-ion diffusion lag time.
The technical scheme adopted by the invention is as follows:
An evaluation method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time comprises the following steps:
Completely immersing the dried rock core in the imbibition solution, and monitoring the water absorption quality of the rock core and the salt ion concentration in the imbibition solution in real time until the water absorption quality of the rock core and the salt ion concentration in the imbibition solution are stable;
normalizing the data of the water absorption quality of the core changing along with time and drawing to obtain a curve of the normalized core penetration amount changing along with time;
Normalizing the data of the change of the salt ion concentration in the imbibition solution along with the time and drawing to obtain a curve of the diffusion amount of the salt ion in the normalized imbibition solution along with the time;
Calculating the imbibition oil displacement intensity by using the balance value of the time-varying curve of the normalized core imbibition amount, the balance value of the time-varying curve of the diffusion amount of the salt ions in the normalized imbibition solution, the time point when the core imbibition quality is stable and the time point when the salt ion concentration in the imbibition solution is stable, and evaluating the imbibition oil displacement effect of the clay according to the imbibition oil displacement intensity.
Preferably, the calculation formula of the swelling oil displacement intensity is as follows:
Wherein N i is the balance value of the time-varying curve of the normalized core imbibition quantity, and is a decimal; n d is the balance value of the time-dependent curve of the diffusion amount of salt ions in the normalized imbibition solution, and is the decimal; t 1 is the time point when the water absorption quality of the core is stable, and the unit is h; t 2: the unit of the time point when the concentration of salt ions in the imbibition solution is stable is h; t o＝T2-T1,To is the swelling oil displacement time, and the unit is h; d o: the unit of the swelling oil displacement strength is h -1.
Preferably, when evaluating the swelling oil displacement effect of the clay according to the swelling oil displacement intensity: the higher the value of the swelling oil displacement intensity is, the better the swelling oil displacement effect of the clay is.
Preferably, the core is dried, moisture is removed, and the dried core is obtained after the core reaches constant weight.
Preferably, the process of completely immersing the dried core in the imbibition solution and monitoring the water absorption quality of the core and the salt ion concentration in the imbibition solution in real time comprises the following steps:
and suspending the core on an analytical balance by using an inelastic and impermeable suspension line of the imbibition solution, vertically suspending the core in a container containing the imbibition solution, adjusting the liquid level in the container to enable the core to be completely immersed in the imbibition solution, monitoring the water absorption quality of the core in real time through the analytical balance, and simultaneously monitoring the salt ion concentration in the imbibition solution in real time through a conductivity measuring instrument.
Preferably, the analytical balance has a measurement accuracy of not less than 0.00001g; the diameter of the suspension wire is not greater than 0.13mm.
Preferably, the resolution of the conductivity measuring instrument is 0.1-2000 mu S/cm.
Preferably, the dry core is completely immersed in the imbibition solution, and the process of monitoring the water absorption quality of the core and the salt ion concentration in the imbibition solution in real time is carried out in a constant temperature and humidity environment.
The invention has the following beneficial effects
The invention realizes the aim of quantifying the oil displacement effect under the clay swelling action by considering the difference between the imbibition curve and the ion diffusion curve due to the certain difference between the ion change caused by the clay swelling action and the imbibition of the fracturing fluid into the reservoir through the porous medium, and the method has simple operation and great significance for the imbibition extraction of unconventional reservoir and the qualitative evaluation of the oil displacement effect.
Drawings
FIG. 1 is a flow chart of an evaluation method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time;
FIG. 2 is a schematic diagram of experimental data processing and analysis flow in the method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time;
Fig. 3 (a) is a time-dependent curve of normalized imbibition and normalized salt ion diffusion of the A1 core in the embodiment of the invention, and fig. 3 (b) is a time-dependent curve of normalized imbibition and normalized salt ion diffusion of the A2 core in the embodiment of the invention.
Detailed Description
The technical scheme of the present invention will be further specifically described below by way of examples with reference to the accompanying drawings, but the present invention is not limited to the examples listed below.
The invention is based on the principle of imbibition, and aims to provide an evaluation method and an evaluation system for quantifying the swelling oil displacement effect of clay based on imbibition-ion diffusion lag time, which can be used for quantifying the swelling oil displacement effect of clay on the premise of considering the salt ion diffusion lag effect by drawing a time-varying curve of the imbibition amount of a normalized rock core (namely, a liquid amount varying curve of fluid flowing into a rock core under the action of capillary force) and a time-varying curve of the salt ion diffusion amount of a normalized imbibition solution (namely, a salt ion varying curve of fluid flowing out of the rock core under the action of concentration difference).
Referring to fig. 1, the evaluation method for quantifying the swelling oil displacement effect of clay based on the imbibition-ion diffusion lag time comprises the following steps:
s1, measuring and recording the original size and the quality of a rock core before an experiment, and drying a rock core sample in a constant temperature box at 105 ℃ until the quality of the rock core sample is not changed;
S2, suspending the core on a high-precision analytical balance by using an inelastic and impermeable thin wire, vertically suspending the core in a beaker filled with seepage liquid, and adjusting the liquid level to enable the core sample suspended on the thin wire to be completely immersed in the seepage liquid;
S3, inserting a detection end of a conductivity measuring instrument into the imbibition solution while recording the water absorption quality of the core by a balance, realizing dynamic monitoring of the salt ion concentration, and recording the change of the water absorption quality of the core along with the time and the change of the diffusion quantity of the salt ions along with the time;
s4, taking out the core after the water absorption quality of the core and the diffusion quantity of salt ions in the imbibition solution reach stable values, and quantifying the swelling oil displacement effect of the clay through the water absorption quality balance and the ion diffusion balance lag time;
and S5, finally, as the water absorption quality of the core and the diffusion amount of salt ions in the imbibition solution are not in one order of magnitude, normalizing the core and the imbibition and oil displacement effects of the clay are analyzed.
Referring to fig. 2, 3 (a) and 3 (b), in S5, the experimental data is processed, and the process of analyzing the swelling oil displacement effect of the clay includes the following steps:
S5.1, drawing a time-varying curve I of the imbibition quantity of the normalized rock core and a time-varying curve II of the diffusion quantity of salt ions in the normalized imbibition solution, and reflecting the imbibition displacement effect of the clay through the difference of the curves.
S5.2, the balance value of the time-varying curve I of the normalized core imbibition amount is recorded as N i, the balance value of the time-varying curve II of the salt ion diffusion amount in the normalized imbibition solution is recorded as N d, the dynamic balance time point of core imbibition is recorded as T 1, and the dynamic balance time point of salt ion diffusion in the imbibition solution is recorded as T 2.
The swelling oil displacement time T o＝T2-T1; strength of oil displacement by sucking and expandingThe higher the oil displacement strength D o is, the better the oil displacement effect of the clay by swelling.
Wherein, N i: normalizing the balance value of the time-varying curve I of the core imbibition quantity by decimal; n d: normalizing the balance value of a curve II of the diffusion quantity of salt ions in the imbibition solution along with time, and forming decimal; t 1: a core imbibition dynamic balance time point, h; t 2: a dynamic equilibrium time point of salt ion diffusion in the imbibition solution, and h; t o: swelling oil displacement time, h; d o: and (5) swelling the oil displacement strength, and h -1.
Examples
Aiming at the A1 core and the A2 core, the evaluation method based on the imbibition-ion diffusion lag time quantized clay imbibition oil displacement effect provided by the invention comprises the following steps (in the following experimental process, experimental equipment is placed in a constant temperature and humidity box, and experimental disturbance caused by temperature, humidity and air flow is avoided):
firstly, measuring and recording the original size and the quality of a rock core before an experiment, and placing a rock core sample in a constant temperature box at 105 ℃ for drying until the quality of the rock core sample is not changed any more, as shown in S1 in fig. 1;
Secondly, suspending the core on a high-precision analytical balance by using an inelastic and impermeable thin wire, vertically suspending the core in a beaker filled with the seepage liquid, and adjusting the liquid level so that the core sample suspended on the thin wire is completely immersed in the seepage liquid, as shown by S2 in FIG. 1; in the embodiment, a high-precision analytical balance Mettle XPF is adopted, and the measurement precision reaches 0.00001g; the sample was suspended using an inelastic and impermeable thin wire with a diameter of 0.13mm to avoid the influence of the drop of the liquid level on the experimental results;
Step three, inserting a detection end of a conductivity measuring instrument into the imbibition solution while recording the water absorption quality of the core by a balance to realize dynamic monitoring of the salt ion concentration, and recording the change of the water absorption quality of the core along with the time and the change of the diffusion quantity of the salt ion along with the time, as shown in S3 in fig. 1; in the embodiment, a Metler Seven Excellence multifunctional conductivity measuring instrument is adopted to monitor the conductivity of the solution, and the resolution is 0.1-2000 mu S/cm;
Step four, taking out the core after the water absorption quality of the core and the diffusion quantity of salt ions in the imbibition solution reach stable values, and quantifying the swelling oil displacement effect of the clay through the water absorption quality balance and the ion diffusion balance lag time, wherein the step 4 is shown in the figure 1;
And step five, processing and analyzing the experimental data, as shown in S5 in FIG. 1. And respectively drawing a time-varying curve I of the imbibition amount of the normalized core, a time-varying curve II of the diffusion amount of salt ions in the normalized imbibition solution, and reflecting the imbibition and oil displacement effects of the clay through the curve difference of the normalized core and the normalized core, as shown in fig. 3 (a) and 3 (b).
The curve results show that: the normalized imbibition time-varying curves of the A1 core and the A2 core and the normalized salt ion diffusion amount have significant differences with time, and the related data of the A1 core and the A2 core are shown in the following table 1.
TABLE 1
| A1 | A2 | |
| Normalized imbibition balance value N i | 0.91 | 0.89 |
| Normalized ion diffusion balance value N d | 0.79 | 0.35 |
| Imbibition dynamic balance time point T 1 | 20.33 | 19.21 |
| Ion diffusion dynamic balance time point T 2 | 57.26 | 24.47 |
| Oil displacement time T o | 36.93 | 5.26 |
| Oil displacement intensity D o | 0.003 | 0.103 |
The calculation shows that the oil displacement intensity of the A2 core is 0.103h -1, and the oil displacement intensity of the A1 core is only 0.003h -1, so that the oil displacement effect of the A2 core clay by swelling is better.
According to the scheme, the method overcomes the defect that the conventional imbibition oil displacement evaluation method cannot evaluate the imbibition oil displacement effect of the clay, and achieves the aim of quantifying the imbibition oil displacement effect of the clay by imbibition-ion diffusion lag time.
The above description is only an example of the present invention, and any person skilled in the art may modify the present invention by using the above technical solutions. Therefore, any simple modification or equivalent substitution made according to the technical solution of the present invention falls within the scope of the protection sought herein.
Claims (7)
1. The evaluation method for quantifying the swelling oil displacement effect of the clay based on the imbibition-ion diffusion lag time is characterized by comprising the following steps of:
Completely immersing the dried rock core in the imbibition solution, and monitoring the water absorption quality of the rock core and the salt ion concentration in the imbibition solution in real time until the water absorption quality of the rock core and the salt ion concentration in the imbibition solution are stable;
normalizing the data of the water absorption quality of the core changing along with time and drawing to obtain a curve of the normalized core penetration amount changing along with time;
Normalizing the data of the change of the salt ion concentration in the imbibition solution along with the time and drawing to obtain a curve of the diffusion amount of the salt ion in the normalized imbibition solution along with the time;
calculating the imbibition displacement strength by using the balance value of the time-varying curve of the normalized core imbibition quantity, the balance value of the time-varying curve of the salt ion diffusion quantity in the normalized imbibition solution, the time point when the core imbibition quality is stable and the time point when the salt ion concentration in the imbibition solution is stable, and evaluating the imbibition displacement effect of the clay according to the imbibition displacement strength;
the calculation formula of the swelling oil displacement intensity is as follows:
Wherein N i is the balance value of the time-varying curve of the normalized core imbibition quantity, and is a decimal; n d is the balance value of the time-dependent curve of the diffusion amount of salt ions in the normalized imbibition solution, and is the decimal; t 1 is the time point when the water absorption quality of the core is stable, and the unit is h; t 2: the unit of the time point when the concentration of salt ions in the imbibition solution is stable is h; t o=T2-T1,To is the swelling oil displacement time, and the unit is h; d o: the unit of the swelling oil displacement strength is h -1.
2. The method for evaluating the swelling oil displacement effect of the clay based on the imbibition-ion diffusion lag time according to claim 1, wherein when evaluating the swelling oil displacement effect of the clay according to the swelling oil displacement intensity: the higher the value of the swelling oil displacement intensity is, the better the swelling oil displacement effect of the clay is.
3. The method for evaluating the swelling oil displacement effect of the clay based on the imbibition-ion diffusion lag time quantification of claim 1, wherein the core is dried, water is removed, and the dried core is obtained after the core reaches constant weight.
4. The method for evaluating the swelling oil displacement effect of the clay based on the imbibition-ion diffusion lag time quantification of claim 1, wherein the process of completely immersing the dried core in the imbibition solution and monitoring the water absorption quality of the core and the salt ion concentration in the imbibition solution in real time comprises the following steps:
and suspending the core on an analytical balance by using an inelastic and impermeable suspension line of the imbibition solution, vertically suspending the core in a container containing the imbibition solution, adjusting the liquid level in the container to enable the core to be completely immersed in the imbibition solution, monitoring the water absorption quality of the core in real time through the analytical balance, and simultaneously monitoring the salt ion concentration in the imbibition solution in real time through a conductivity measuring instrument.
5. The method for evaluating the swelling oil displacement effect of clay based on the imbibition-ion diffusion lag time according to claim 4, wherein the measurement accuracy of the analytical balance is not lower than 0.00001g; the diameter of the suspension wire is not greater than 0.13mm.
6. The evaluation method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time according to claim 4, wherein the resolution of the conductivity measuring instrument is 0.1-2000 [ mu ] S/cm.
7. The evaluation method for quantifying the swelling oil displacement effect of clay based on imbibition-ion diffusion lag time according to claim 1, wherein the dried core is completely immersed in imbibition solution, and the evaluation method is carried out in a constant temperature and humidity environment in the process of monitoring the water absorption quality of the core and the salt ion concentration in the imbibition solution in real time.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1821093A2 (en) * | 2006-02-15 | 2007-08-22 | Commissariat A L'energie Atomique | Method and device for measuring permeation |
| CN102777138A (en) * | 2011-11-14 | 2012-11-14 | 中国石油大学(北京) | Method combining coiled tubing with supercritical CO2 for jet-flow sand washing plugging removal |
| CN107339108A (en) * | 2017-06-26 | 2017-11-10 | 中铁十二局集团有限公司 | The layer of sand location subway pipe shed construction method of underground water enrichment |
| CN207114389U (en) * | 2017-08-25 | 2018-03-16 | 西安石油大学 | A kind of spontaneous imbibition experiment device of rock core |
| CN109490168A (en) * | 2018-11-30 | 2019-03-19 | 重庆科技学院 | Quantitative evaluation method of the shale gas reservoir difference mass transfer diffusion mechanism to Reservoir Seepage contribution ratio in capabilities |
| CN109507081A (en) * | 2018-11-14 | 2019-03-22 | 中国石油大学(北京) | The synchronized measurement system and method for matrix imbibition and the displacement of reservoir oil |
| FR3079931A1 (en) * | 2018-04-04 | 2019-10-11 | IFP Energies Nouvelles | METHOD FOR MEASURING THE SPONTANEOUS IMBIBITION AND / OR THE DIFFUSION OF AN AQUEOUS PHASE IN A POROUS MEDIUM BY A NUCLEAR MAGNETIC RESONANCE METHOD. |
| CN112051198A (en) * | 2020-08-03 | 2020-12-08 | 江苏省科建成套设备有限公司 | Quantitative evaluation method for pore diameter of porous membrane |
| CN112661334A (en) * | 2020-11-11 | 2021-04-16 | 湖南中核金原新材料有限责任公司 | Recycling treatment process and device for acid production wastewater of tantalum and niobium |
| RU2750458C1 (en) * | 2020-12-30 | 2021-06-28 | Общество с ограниченной ответственностью «Газпромнефть Научно-Технический Центр» (ООО «Газпромнефть НТЦ») | Method for developing hydrocarbon deposits by cyclic gas injection |
| CN113834840A (en) * | 2021-09-24 | 2021-12-24 | 西安工程大学 | Method for testing rock core imbibition efficiency |
| CN114112775A (en) * | 2021-11-17 | 2022-03-01 | 西安石油大学 | Method for evaluating development and communication degree of artificial crack based on imbibition curve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2954796B1 (en) * | 2009-12-24 | 2016-07-01 | Total Sa | USE OF NANOPARTICLES FOR THE MARKING OF PETROLEUM FIELD INJECTION WATER |
| US9416631B2 (en) * | 2013-08-27 | 2016-08-16 | Halliburton Energy Services, Inc. | Modeling fluid displacement in a well system environment |
| WO2019178432A1 (en) * | 2018-03-15 | 2019-09-19 | The Penn State Research Foundation | Method for improved recovery in ultra-tight reservoirs based on diffusion |
-
2022
- 2022-08-22 CN CN202211007708.0A patent/CN115372197B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1821093A2 (en) * | 2006-02-15 | 2007-08-22 | Commissariat A L'energie Atomique | Method and device for measuring permeation |
| CN102777138A (en) * | 2011-11-14 | 2012-11-14 | 中国石油大学(北京) | Method combining coiled tubing with supercritical CO2 for jet-flow sand washing plugging removal |
| CN107339108A (en) * | 2017-06-26 | 2017-11-10 | 中铁十二局集团有限公司 | The layer of sand location subway pipe shed construction method of underground water enrichment |
| CN207114389U (en) * | 2017-08-25 | 2018-03-16 | 西安石油大学 | A kind of spontaneous imbibition experiment device of rock core |
| FR3079931A1 (en) * | 2018-04-04 | 2019-10-11 | IFP Energies Nouvelles | METHOD FOR MEASURING THE SPONTANEOUS IMBIBITION AND / OR THE DIFFUSION OF AN AQUEOUS PHASE IN A POROUS MEDIUM BY A NUCLEAR MAGNETIC RESONANCE METHOD. |
| CN109507081A (en) * | 2018-11-14 | 2019-03-22 | 中国石油大学(北京) | The synchronized measurement system and method for matrix imbibition and the displacement of reservoir oil |
| CN109490168A (en) * | 2018-11-30 | 2019-03-19 | 重庆科技学院 | Quantitative evaluation method of the shale gas reservoir difference mass transfer diffusion mechanism to Reservoir Seepage contribution ratio in capabilities |
| CN112051198A (en) * | 2020-08-03 | 2020-12-08 | 江苏省科建成套设备有限公司 | Quantitative evaluation method for pore diameter of porous membrane |
| CN112661334A (en) * | 2020-11-11 | 2021-04-16 | 湖南中核金原新材料有限责任公司 | Recycling treatment process and device for acid production wastewater of tantalum and niobium |
| RU2750458C1 (en) * | 2020-12-30 | 2021-06-28 | Общество с ограниченной ответственностью «Газпромнефть Научно-Технический Центр» (ООО «Газпромнефть НТЦ») | Method for developing hydrocarbon deposits by cyclic gas injection |
| CN113834840A (en) * | 2021-09-24 | 2021-12-24 | 西安工程大学 | Method for testing rock core imbibition efficiency |
| CN114112775A (en) * | 2021-11-17 | 2022-03-01 | 西安石油大学 | Method for evaluating development and communication degree of artificial crack based on imbibition curve |
Non-Patent Citations (21)
| Title |
|---|
| Analytical Exact Solution for Co-Current Spontaneous Imbibition in Porous Media Considering Early- and Late-Time Effects;Farrokhrouz, M等;ENERGY & FUELS;20211104;第35卷(第21期);17499-17511 * |
| Bearinger D. Laboratory and field analysis of flowback water from gas shales;Zolfaghari A 等;Journal of unconventional oil and gas resources;20160601;第14卷;113-127 * |
| Evaluating the potential for oil recovery by imbibition and time-delay effect in tight reservoirs during shut-in;Zhang YJ 等;Journal of Petroleum Science and Engineering;20191224;第184卷;106557-14 * |
| Experimental and numerical study on the relationship between water imbibition and salt ion diffusion in fractured shale reservoirs;Yang L 等;Journal of Natural Gas Science and Engineering;20170201;第38卷;283-297 * |
| Experimental Investigation on the Imbibition Capacity and Its Influencing Factors in Hydrate Sediments;Yang L 等;ACS OMEGA;20200623;第5卷(第24期);14564-14574 * |
| Impact of rock fabric on water imbibition and salt diffusion in gas shales;Ghanbari E等;International Journal of Coal Geology;20150115;第138卷;55-67 * |
| Influencing Factors of Surfactant Stripping Crude Oil and Spontaneous Imbibition Mechanism of Surfactants in a Tight Reservoir;Cao, GS等;ACS OMEGA;20220607;第7卷(第22期);19010-19020 * |
| Meng M,等.Influence of rock fabric on salt ion diffusion behavior in upper cretaceous lacustrine shale from Songliao Basin.Journal of Petroleum Science and Engineering.2022,第208卷109355-13. * |
| nfluence of surfactant on high temperature imbibition of low permeability cores;Sun Lin等;urnal of China University of Petroleum;20130929;第36卷(第6期);103-107 * |
| SOLUTIONS FOR COUNTERCURRENT SPONTANEOUS IMBIBITION AS DERIVED BY MEANS OF A SIMILARITY APPROACH;Arabjamaloei R 等;JOURNAL OF POROUS MEDIA;20150415;第18卷(第2期);113-124 * |
| 体积压裂裂缝前端粉砂分布规律试验研究;张衍君 等;石油钻探技术;20210514;第49卷(第3期);105-110 * |
| 压裂液在页岩储层中的吸收及其对工程的影响;杨柳;工程科技Ⅰ辑;20180215(第2018年第02期期);82-155 * |
| 盐间页岩盐离子扩散对自发渗吸驱油的影响——以潜江凹陷潜江组页岩为例;杨柳 等;科学技术与工程;20200208;第20卷(第4期);1386-1393 * |
| 纳米孔隙中流体运移机制的分子动力学研究;郑海霞;工程科技Ⅰ辑;20200715(第2020年第07期期);45-60 * |
| 致密油储层压后渗吸特征及规律研究;李静鹏;工程科技Ⅰ辑;20220415(第2022年第04期期);15-54 * |
| 致密油藏渗吸机理研究;沈安琪;工程科技Ⅰ辑;20190115(第2019年第01期期);11-26 * |
| 致密砂岩储层渗吸稳定时间影响因素研究;周德胜 等;特种油气藏;20180124;第25卷(第2期);125-129 * |
| 表面活性剂改变岩石表面润湿性及其提高采收率研究;侯宝峰;工程科技Ⅰ辑;20180615(第2018年第06期期);49-84 * |
| 页岩储层压裂液渗吸-离子扩散及其影响因素;杨柳 等;中国海上油气;20160722;第28卷(第4期);94-99 * |
| 页岩储层离子扩散特征及影响因素分析;杨柳 等;科学技术与工程;20200828;第20卷(第24期);9864-9868 * |
| 页岩气藏压裂液渗吸影响因素分析;严乐;辽宁化工;20220525;第51卷(第5期);606-608 * |
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