CN105092351A - Core oil washing device and method - Google Patents
Core oil washing device and method Download PDFInfo
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- CN105092351A CN105092351A CN201510312107.4A CN201510312107A CN105092351A CN 105092351 A CN105092351 A CN 105092351A CN 201510312107 A CN201510312107 A CN 201510312107A CN 105092351 A CN105092351 A CN 105092351A
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- lotion
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- 238000005406 washing Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 239000011435 rock Substances 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 239000002699 waste material Substances 0.000 claims abstract description 60
- 239000006210 lotion Substances 0.000 claims description 123
- 239000003921 oil Substances 0.000 claims description 38
- 239000010779 crude oil Substances 0.000 claims description 30
- 238000009833 condensation Methods 0.000 claims description 24
- 230000005494 condensation Effects 0.000 claims description 24
- 238000009835 boiling Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 21
- 239000007789 gas Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- -1 thus can use again Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The invention provides a rock core oil washing device, which comprises: the core chamber is provided with an inlet end and an outlet end, the inlet end is used for inputting a washing agent into the core chamber, and the outlet end is used for outputting waste liquid in the core chamber; the first heating device is arranged in the core chamber and is provided with a first working state capable of heating the core chamber and a second working state capable of stopping heating the core chamber; and the pressure control system is arranged in the core chamber and can cut off the first heating device when the pressure of the core chamber exceeds the preset pressure so as to enable the first heating device to be switched from the first working state to the second working state. The purpose of providing the rock core oil washing device and the rock core oil washing method for washing the rock core under the conditions of high temperature and high pressure is achieved.
Description
Technical field
The present invention relates to oil and gas exploitation field, particularly relate to device for washing oil from cores and method.
Background technology
Before in formation, the porosity and permeability of rock core is analyzed and researched, general needs cleans analyzed rock sample, to wash impurity in rock sample hole and crude oil.And the quality of rock sample cleaning quality can be mainly clean by the crude oil washing/COW contained in rock sample hole.
Existing rock core oil washing equipment is normal temperature and pressure washing oil, the modes such as washing oil of heating mainly, utilize organic solvent circulation flushing, soak core sample, got rid of by the crude oil in rock core hole clean by waste liquid.Under the condition of normal temperature or uniform temperature, organic solvent is only by penetrating in the hole of rock core, thus make organic solvent and the intrapore crude oil of rock core exchange slowly on the one hand, cause that the washing oil cycle is long, efficiency is low, on the other hand for the rock sample containing the high crude oil of viscosity in hole, organic solvent cannot enter duct tiny in rock core completely, therefore also just cannot be clean by the crude oil washing/COW in rock core.
Summary of the invention
The object of this invention is to provide the device for washing oil from cores and method that under high-temperature and high-pressure conditions, rock core are cleaned, thus displacement efficiency and washing oil effect can be strengthened.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize: device for washing oil from cores, it comprises: the core chamber with inlet end and endpiece, described inlet end is used for inputting lotion in described core chamber, and described endpiece is for exporting the waste liquid in described core chamber; Be arranged at the first heating apparatus in described core chamber, described first heating apparatus has the first duty can heated to described core chamber and the second duty stopping heating to described core chamber; Be arranged at the control pressurer system in described core chamber, when the pressure of described core chamber exceedes predetermined pressure, described control pressurer system can cut off described first heating apparatus, is converted to described second duty to make described first heating apparatus from described first duty.
Preferably, it comprises: have back to top and the lotion room of bottom; Be arranged at the first input end on the sidewall of described lotion room, described first input end is connected with described endpiece, indoor to make the waste liquid in described core chamber can input to described lotion; Be arranged at the first output terminal on the top sidewall of described lotion room; Be arranged at the second heating apparatus of described lotion indoor, described second heating apparatus has can heat the 5th duty that the lotion in described waste liquid is separated in described waste liquid and the 6th duty stopping heating to described waste liquid to the waste liquid of described lotion indoor; There is the condensation chamber of the second input end and the second output terminal, described second input end is connected with described first output terminal, described second output terminal is connected with described inlet end, described condensation chamber can liquefy to the lotion separated in described waste liquid, thus exports in core chamber by the lotion of liquid state; The evacuator be connected with described core chamber, described evacuator has the 3rd duty of the gas can extracted out in described core chamber and the 4th duty stopping extracting the gas in described core chamber; When described second heating apparatus is in described 5th duty, described evacuator is in described 3rd duty.
Preferably, it comprises: be arranged at the leakage fluid dram on sidewall bottom described lotion room, described leakage fluid dram remains in the crude oil of described lotion indoor for exporting.
Preferably, it comprises: be arranged at the 3rd input end on described condensation chamber sidewall, and described 3rd input end is connected with described inlet end.
Utilize the rock core oil washing method of above-mentioned device for washing oil from cores, it comprises: be positioned over by rock core to be washed in described core chamber; Lotion is input in described core chamber by described inlet end; By described first heating apparatus, described core chamber is heated; When the pressure in described core chamber is increased to predetermined pressure, described control pressurer system cuts off described first heating apparatus, thus makes described first heating apparatus be converted to described second duty from described first duty; The waste liquid in described core chamber is exported after a predetermined time by described endpiece.
Preferably, described predetermined pressure is 5MPa.
Preferably, it comprises: described waste liquid is inputed to lotion indoor by described first input end; Heat to make the temperature of described waste liquid arrive the boiling point of lotion thus lotion is separated from described waste liquid to described waste liquid by described second heating apparatus; Described lotion is inputed to described condensation chamber, to liquefy to the described lotion separated; The lotion of described post liquefaction is input in described core chamber.
Preferably, when heating to described waste liquid, described core chamber is found time, to reduce the gas density in described core chamber.
Preferably, it comprises: export the crude oil remaining in described lotion indoor.
Preferably, it comprises: when described lotion be input to be full of described core chamber in described core chamber time, the described lotion overflowed in described core chamber is input in described condensation chamber.
The beneficial effect of device for washing oil from cores provided by the invention and method is: the present invention has the core chamber of inlet end and endpiece by arranging, described inlet end is used for inputting lotion in described core chamber, and described endpiece is for exporting the waste liquid in described core chamber, be arranged at the first heating apparatus in described core chamber, described first heating apparatus has the first duty can heated to described core chamber and the second duty stopping heating to described core chamber, be arranged at the control pressurer system in described core chamber, when the pressure of described core chamber exceedes predetermined pressure, described control pressurer system can cut off described first heating apparatus, reach following good effect: the present invention achieves by arranging the first heating apparatus in core chamber and can heat to this core chamber's inner cleaner application on the one hand, thus improve the object of lotion temperature, and the raising of lotion temperature can aggravate the motion of lotion molecule, and the dissolving power of lotion to organic matter can be increased, thus be conducive to cleaning rock core, when on the other hand core chamber being heated, in core chamber, when gases are heated, they expand will make the pressure in core chamber raise, thus make core chamber be in hyperbaric environment, thus the lotion in core chamber is under hyperbaric environment, can enter in the tiny duct of rock core, carry out cleaning rock core, thus displacement efficiency and washing oil effect can be strengthened, by arranging control pressurer system in core chamber, achieve when the pressure in core chamber exceedes predetermined pressure, this control pressurer system can cut off this first heating apparatus, thus make the pressure drop in core chamber, and lotion in rock core and crude oil will flow out from the hole of rock core along with the pressure drop in core chamber, thus reach the object of discharging crude oil in rock core, thus reach the effect of crude oil in cleaning rock core hole, thus pass through pressurization and the pressure reduction of core chamber, achieve the washing oil of handling up to the rock core in core chamber, thus achieve the object that the present invention can be provided in device for washing oil from cores and the method for cleaning rock core under high-temperature and high-pressure conditions.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 structural representation of the present invention;
Fig. 2 process flow diagram of the present invention;
Fig. 3 another process flow diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the invention provides device for washing oil from cores, it comprises: the core chamber 10 with inlet end 13 and endpiece 15, and described inlet end 13 for inputting lotion in described core chamber 10, and described endpiece 15 is for exporting the waste liquid in described core chamber 10; Be arranged at the first heating apparatus in described core chamber 10, described first heating apparatus has the first duty can heated to described core chamber 10 and the second duty stopping heating to described core chamber 10; Be arranged at the control pressurer system in described core chamber 10, when the pressure of described core chamber 10 exceedes predetermined pressure, described control pressurer system can cut off described first heating apparatus, is converted to described second duty to make described first heating apparatus from described first duty.
Device for washing oil from cores provided by the invention and method, achieve by arranging the first heating apparatus in core chamber 10 and can heat to this core chamber 10 inner cleaner application on the one hand, thus improve the object of lotion temperature, and the raising of lotion temperature can aggravate the motion of lotion molecule, and the dissolving power of lotion to organic matter can be increased, thus be conducive to cleaning rock core, when on the other hand core chamber 10 being heated, in core chamber 10, when gases are heated, they expand will make the pressure in core chamber 10 raise, thus make core chamber 10 be in hyperbaric environment, thus the lotion in core chamber 10 is under hyperbaric environment, can enter in the tiny duct of rock core, carry out cleaning rock core, thus displacement efficiency and washing oil effect can be strengthened, by arranging control pressurer system in core chamber 10, achieve when the pressure in core chamber 10 exceedes predetermined pressure, this control pressurer system can cut off this first heating apparatus, thus make the pressure drop in core chamber 10, and lotion in rock core and crude oil will flow out from the hole of rock core along with the pressure drop in core chamber 10, thus reach the object of discharging crude oil in rock core, thus reach the effect of crude oil in cleaning rock core hole, thus pass through pressurization and the pressure reduction of core chamber 10, achieve the washing oil of handling up to the rock core in core chamber 10, thus achieve the present invention can provide a kind of under high-temperature and high-pressure conditions the object to the device for washing oil from cores that rock core cleans.
Device for washing oil from cores provided by the invention and method can be applied to oil well, gasser.
As shown in Figure 1, in the present embodiment, there is the core chamber 10 of inlet end 13 and endpiece 15, this core chamber 10 for accommodating rock core, and can clean this rock core in this core chamber 10, soak thus complete the object of rock core oil washing.This inlet end 13 for inputting lotion in this core chamber 10, and this endpiece 15, for after complete to rock core cleaning, exports the waste liquid after the cleaning in core chamber 10.Except comprising the lotion for cleaning rock core in this waste liquid, further comprises the crude oil and impurity that clean out from rock core hole.
As shown in Figure 1, in the present embodiment, be provided with the first heating apparatus in core chamber 10, this first heating apparatus has the first duty can heated to this core chamber 10 and the second duty stopping heating to this core chamber 10.This first heating apparatus achieves and can heat to this core chamber 10 inner cleaner application on the one hand, thus improve the object of lotion temperature, and the raising of lotion temperature can aggravate the motion of lotion molecule, and the dissolving power of lotion to organic matter can be increased, thus be conducive to cleaning rock core; When on the other hand core chamber 10 being heated, in core chamber 10, when gases are heated, they expand will make the pressure in core chamber 10 raise, thus make core chamber 10 be in hyperbaric environment, thus the lotion in core chamber 10 is under hyperbaric environment, can enter in the tiny duct of rock core, carry out cleaning rock core, thus displacement efficiency and washing oil effect can be strengthened.This first heating apparatus can be Electric heating, also can be other type of heating, such as magnetic type of heating.
As shown in Figure 1, in the present embodiment, control pressurer system is provided with in core chamber 10, when the pressure of this core chamber 10 exceedes predetermined pressure, this control pressurer system can cut off the first heating apparatus, the second duty is converted to from the first duty to make the first heating apparatus, thus make the pressure drop in core chamber 10, and lotion in rock core and crude oil will flow out from the hole of rock core along with the pressure drop in core chamber 10, thus reach the object of discharging crude oil in rock core, thus reach the effect of crude oil in cleaning rock core hole.In the present embodiment, this control pressurer system comprises pressure-measuring device and control circuit.This pressure-measuring device is for measuring the pressure in this core chamber 10, and when the pressure measured is higher than predetermined pressure, this control circuit will send signal to the first heating apparatus, thus cut off the first heating apparatus.In the present embodiment, this predetermined pressure is 5MPa.
As shown in Figure 1, in the present embodiment, have back to top 19 and the lotion room 17 of bottom 21, the sidewall of this lotion room 17 is provided with first input end 25, this first input end 25 is connected with endpiece 15, can input in this lotion room 17 to make the waste liquid in core chamber 10.When exporting the waste liquid in this core chamber 10 after having cleaned predetermined time to the rock core in core chamber 10, this waste liquid flows into the first input end 25 of lotion room 17 by the endpiece 15 of core chamber 10, thus flows in lotion room 17.
Top 19 sidewall of this lotion room 17 is provided with the first output terminal 23, and this first output terminal 23 is for exporting the lotion separated from waste liquid.
Bottom 21 sidewall of this lotion room 17 is provided with leakage fluid dram 27, and this leakage fluid dram 27 is for exporting the crude oil remained in described lotion room 17.
As shown in Figure 1, in the present embodiment, the second heating apparatus is provided with in lotion room 17, this second heating apparatus waste liquid had in energy lotion room 17 carries out the 5th duty heating the lotion in waste liquid is separated in waste liquid and the 6th duty stopping heating to waste liquid, thus when the devil liquor recovery having cleaned rock core enters in lotion room 17 be, by the process of heating of this second heating apparatus, the lotion also had in this waste liquid there occurs with crude oil and is separated, lotion is generating gasification in this heats process, namely gaseous state is become from liquid state, thus separate from waste liquid, thus can use again, and crude oil is heated in process at this, be retained in the bottom 21 of solvent compartment all the time, thus by the leakage fluid dram 27 of bottom 21, crude oil can be excluded out.In the present embodiment, this second heating apparatus can be Electric heating, also can be other type of heating, such as magnetic type of heating.
As shown in Figure 1, in the present embodiment, there is the condensation chamber 29 of the second input end 31 and the second output terminal 33, this second input end 31 is connected with this first output terminal 23, thus when the second heating apparatus is heated to the waste liquid in lotion room 17, the generating gasification in this heats process of the lotion in waste liquid, namely becomes gaseous state from liquid state, thus output to this second input end 31 by the first output terminal 23, thus enter condensation chamber 29.This condensation chamber 29 can liquefy to the lotion separated in waste liquid, thus is exported by the lotion of liquid state.
This second output terminal 33 is connected with inlet end 13, to make liquid lotion export from condensation chamber 29 by this second output terminal 33, inputs in core chamber 10 from inlet end 13.
As shown in Figure 1, in the present embodiment, be connected with this core chamber 10 and be connected to evacuator 35, this evacuator 35 has the 3rd duty of the gas can extracted out in core chamber 10 and the 4th duty stopping extracting the gas in this core chamber 10, thus utilize this evacuator 35 can extract the object of the gas in core chamber 10 out, thus the gas density in this core chamber 10 can be made to reduce.When the second heating apparatus is in the 5th duty, this evacuator 35 is in the 3rd duty, by finding time of this evacuator 35, reduce the density of gas in core chamber 10, thus make pressure in condensation chamber 29 higher than the pressure in core chamber 10, thus pressure reduction is formed between condensation chamber 29 and core chamber 10, thus when condensation chamber 29 pairs of lotions carry out post liquefaction, the lotion of this liquid state under the effect of this pressure reduction, can flow in core chamber 10.In the present embodiment, this evacuator 35 is vacuum pump.
As shown in Figure 1, in the present embodiment, condensation chamber 29 sidewall is provided with the 3rd input end 37,3rd input end 37 is connected with inlet end 13, when core chamber 10 inner cleaner application is too much, unnecessary lotion can enter the 3rd input end 37 by inlet end 13, thus enters in condensation chamber 29.
S1: as shown in Figure 2, in the present embodiment, is positioned over rock core to be washed in core chamber 10, cleans in this core chamber 10 to make this rock core to be washed.
S2: as shown in Figure 2, in the present embodiment, is input in core chamber 10 by lotion by inlet end 13, to clean the rock core in core chamber 10 with this lotion.
S3: as shown in Figure 2, in the present embodiment, is heated to core chamber 10 by the first heating apparatus; On the one hand this core chamber 10 inner cleaner application is heated, the object improving lotion temperature can be reached, and the raising of lotion temperature can aggravate the motion of lotion molecule, and the dissolving power of lotion to organic matter can be increased, thus be conducive to cleaning rock core; When on the other hand core chamber 10 being heated, in core chamber 10, when gases are heated, they expand will make the pressure in core chamber 10 raise, thus make core chamber 10 be in hyperbaric environment, thus the lotion in core chamber 10 is under hyperbaric environment, can enter in the tiny duct of rock core, carry out cleaning rock core, thus displacement efficiency and washing oil effect can be strengthened.
S4: as shown in Figure 2, in the present embodiment, when the pressure in this core chamber 10 is increased to predetermined pressure, control pressurer system cuts off the first heating apparatus, thus make the first heating apparatus be converted to the second duty from the first duty, thus stop heating to this core chamber 10; This predetermined pressure is 5MPa.After the first heating apparatus is converted to the second duty, pressure drop in this core chamber 10, and lotion in rock core and crude oil will flow out from the hole of rock core along with the pressure drop in core chamber 10, thus reach the object of discharging crude oil in rock core, thus reach the effect of crude oil in cleaning rock core hole.Thus by the pressurization of core chamber 10 and pressure reduction, achieve the washing oil of handling up to the rock core in core chamber 10, thus achieve the object that the present invention can be provided in device for washing oil from cores and the method for cleaning rock core under high-temperature and high-pressure conditions.
S5: as shown in Figure 2, in the present embodiment, exports the waste liquid in core chamber 10 by endpiece 15 after a predetermined time.This predetermined time can for making the time of the pressure drop in core chamber 10.When core chamber 10 is after pressurization and pressure reduction, the waste liquid after cleaning rock core be excluded out.
S6: as shown in Figure 3, in the present embodiment, inputs to lotion indoor by described waste liquid;
Waste liquid is inputed in lotion room 17 by first input end 23; Due in this waste liquid except comprising the crude oil and impurity that clean out from rock core hole, further comprises the lotion for cleaning rock core.And the cost of this lotion is higher and containing toxic larger chemical reagent, environmental pollution can be reduced so carry out recycling to this lotion and reduce costs, therefore inputed to by waste liquid in lotion room 17, the lotion that can reach in Recycling of waste liquid carries out the object recycled.
S7: as shown in Figure 3, in the present embodiment, heats to make the temperature of this waste liquid arrive the boiling point of lotion thus lotion is separated from this waste liquid to waste liquid by the second heating apparatus.Because the boiling point of lotion is different from original boiling point in waste liquid, so can by the boiling point heating to make the boiling point of waste liquid to reach lotion, thus make lotion generation vaporization phenomenon, namely lotion becomes gaseous state from liquid state thus separates from waste liquid, to reach the object of the lotion in waste liquid being carried out to recycling.
S8: as shown in Figure 3, in the present embodiment, inputs to condensation chamber 29, liquefies with the lotion separated this by lotion; Even if obtain the lotion of the lotion liquefy of gaseous state, carry out cleaning rock core to output in core chamber 10.In the present embodiment, when heating to this waste liquid, core chamber 10 is found time, to reduce the gas density in described core chamber 10.Thus make pressure in condensation chamber 29 higher than the pressure in core chamber 10, thus pressure reduction is formed between condensation chamber 29 and core chamber 10, thus when condensation chamber 29 pairs of lotions carry out post liquefaction, the lotion of this liquid state under the effect of this pressure reduction, can flow in core chamber 10.
S9: as shown in Figure 3, in the present embodiment, is input to the lotion of this post liquefaction in described core chamber 10, to reach the object of lotion being carried out to recycling.
S10: in the present embodiment, exports the crude oil remained in described lotion room 17, thus reaches the object getting rid of crude oil.
S11: in the present embodiment, when this lotion be input to be full of core chamber 10 in core chamber 10 time, the lotion overflowed in this core chamber 10 is input in condensation chamber 29, to reach the object to lotion recycling.
The foregoing is only several embodiments of the present invention, those skilled in the art can carry out various change or modification to the embodiment of the present invention according to content disclosed in application documents and not depart from the spirit and scope of the present invention.
Claims (10)
1. device for washing oil from cores, is characterized in that, it comprises:
Have the core chamber of inlet end and endpiece, described inlet end is used for inputting lotion in described core chamber, and described endpiece is for exporting the waste liquid in described core chamber;
Be arranged at the first heating apparatus in described core chamber, described first heating apparatus has the first duty can heated to described core chamber and the second duty stopping heating to described core chamber;
Be arranged at the control pressurer system in described core chamber, when the pressure of described core chamber exceedes predetermined pressure, described control pressurer system can cut off described first heating apparatus, is converted to described second duty to make described first heating apparatus from described first duty.
2. device for washing oil from cores according to claim 1, is characterized in that, it comprises:
Have back to top and the lotion room of bottom;
Be arranged at the first input end on the sidewall of described lotion room, described first input end is connected with described endpiece, indoor to make the waste liquid in described core chamber can input to described lotion;
Be arranged at the first output terminal on the top sidewall of described lotion room;
Be arranged at the second heating apparatus of described lotion indoor, described second heating apparatus has can heat the 5th duty that the lotion in described waste liquid is separated in described waste liquid and the 6th duty stopping heating to described waste liquid to the waste liquid of described lotion indoor;
There is the condensation chamber of the second input end and the second output terminal, described second input end is connected with described first output terminal, described second output terminal is connected with described inlet end, described condensation chamber can liquefy to the lotion separated in described waste liquid, thus exports in core chamber by the lotion of liquid state;
The evacuator be connected with described core chamber, described evacuator has the 3rd duty of the gas can extracted out in described core chamber and the 4th duty stopping extracting the gas in described core chamber;
When described second heating apparatus is in described 5th duty, described evacuator is in described 3rd duty.
3. device for washing oil from cores according to claim 2, is characterized in that, it comprises: be arranged at the leakage fluid dram on sidewall bottom described lotion room, described leakage fluid dram remains in the crude oil of described lotion indoor for exporting.
4. device for washing oil from cores according to claim 3, is characterized in that, it comprises: be arranged at the 3rd input end on described condensation chamber sidewall, and described 3rd input end is connected with described inlet end.
5. utilize the rock core oil washing method of the device for washing oil from cores in claim 1 to 4 described in arbitrary claim, it is characterized in that, it comprises:
Rock core to be washed is positioned in described core chamber;
Lotion is input in described core chamber by described inlet end;
By described first heating apparatus, described core chamber is heated;
When the pressure in described core chamber is increased to predetermined pressure, described control pressurer system cuts off described first heating apparatus, thus makes described first heating apparatus be converted to described second duty from described first duty;
The waste liquid in described core chamber is exported after a predetermined time by described endpiece.
6. rock core oil washing method according to claim 5, is characterized in that: described predetermined pressure is 5MPa.
7. rock core oil washing method according to claim 6, it is characterized in that, it comprises:
Described waste liquid is inputed to lotion indoor by described first input end;
Heat to make the temperature of described waste liquid arrive the boiling point of lotion thus lotion is separated from described waste liquid to described waste liquid by described second heating apparatus;
Described lotion is inputed to described condensation chamber, to liquefy to the described lotion separated;
The lotion of described post liquefaction is input in described core chamber.
8. rock core oil washing method according to claim 7, is characterized in that: when heating to described waste liquid, finding time to described core chamber, to reduce the gas density in described core chamber.
9. rock core oil washing method according to claim 8, it is characterized in that, it comprises: export the crude oil remaining in described lotion indoor.
10. rock core oil washing method according to claim 9, it is characterized in that, it comprises: when described lotion be input to be full of described core chamber in described core chamber time, the described lotion overflowed in described core chamber is input in described condensation chamber.
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CN106269680A (en) * | 2016-09-23 | 2017-01-04 | 中国石油化工股份有限公司 | Circulation pressure suction type washing oil method and circulation pressure suction type device for washing oil |
CN106483002A (en) * | 2016-09-28 | 2017-03-08 | 南通市中京机械有限公司 | Rock core oil washing instrument |
CN107860635A (en) * | 2017-10-30 | 2018-03-30 | 中国海洋石油总公司 | Rock core displacement device for washing oil and method |
CN108287098A (en) * | 2017-12-21 | 2018-07-17 | 中国地质大学(武汉) | A kind of microfossil steeps sampling device automatically |
CN109932233A (en) * | 2019-03-04 | 2019-06-25 | 北京拓普莱博油气田开发技术研究院 | Rapidly and efficiently washing oil method and device for washing oil |
CN110618013A (en) * | 2018-06-20 | 2019-12-27 | 中国石油化工股份有限公司 | Rock core oil washing instrument |
CN110715887A (en) * | 2018-07-12 | 2020-01-21 | 中国石油化工股份有限公司 | Bituminous sand porosity determination device and method |
CN114428011A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Rock core sample oil washing device |
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CN106483002A (en) * | 2016-09-28 | 2017-03-08 | 南通市中京机械有限公司 | Rock core oil washing instrument |
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