CN108693066A - The oil removal efficiency assay method and device of flushing liquor or wash type insulating liquid - Google Patents

The oil removal efficiency assay method and device of flushing liquor or wash type insulating liquid Download PDF

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Publication number
CN108693066A
CN108693066A CN201710237165.4A CN201710237165A CN108693066A CN 108693066 A CN108693066 A CN 108693066A CN 201710237165 A CN201710237165 A CN 201710237165A CN 108693066 A CN108693066 A CN 108693066A
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quartz sand
beaker
oil
oil content
processing
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丁辉
李晓春
李坤
刘锐
朱剑飞
李磊
王延民
袁中涛
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • G01N5/04Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder

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Abstract

The present invention provides the oil removal efficiency assay method and device of a kind of flushing liquor or wash type insulating liquid, wherein this method includes:Prepare two parts of pollution quartz sands polluted by oil base drilling fluid;Using the flushing liquor or wash type insulating liquid prepared in advance, processing is rinsed to first part of pollution quartz sand, the quartz sand after being rinsed;Respectively to quartz sand, the second part of pollution quartz sand after flushing, oil content measurement, the first oil content of the quartz sand after being rinsed, second part of second oil content for polluting quartz sand are carried out;According to the first oil content, the second oil content, oil removal efficiency is determined.To provide a kind of method for the oil removal efficiency that can determine flushing liquor or wash type insulating liquid, and then it can either wash type insulating liquid carries out the measurement of oil removal efficiency convenient for removing to select the flushing liquor or wash type insulating liquid of high oil removal efficiency for the well cementation of oil base drilling fluid to all types of flushing liquors.

Description

The oil removal efficiency assay method and device of flushing liquor or wash type insulating liquid
Technical field
The present invention relates to a kind of oil removing of petrolization technical field more particularly to flushing liquor or wash type insulating liquid effects Rate assay method and device.
Background technology
Oil is frequently located in the more complicated stratum of geologic structure, for example, Tarim Oilfield library vehicle Piedmont Structure stratum belongs to In typical ultra-deep, super-pressure, high temperature complex geological condition stratum, this area's saline bed well section buries that depth, thickness is big, lithology is handed over Wrong complicated, target zone well section cranny development, Formation bearing pressure are poor, and locally stress difference is big, and borehole wall stability is poor.Thus When the more responsible place exploitation oil in stratum, the down-hole accident of conventional water-base drilling fluid drilling well takes place frequently, drilling fluid regulation and control, It is difficult in maintenance.Oil base drilling fluid is also known as oil-base mud, the characteristic with high temperature resistance, usually at 180 DEG C or more, has preferable breast It is good and adjustable to change stability, lower filter loss, rheological characteristic, meets the requirement of Piedmont Structure bad ground operation, oil base drilling well Liquid overcomes the problem that performance is uncontrollable under water-base drilling fluid high-temperature high-density, enhances borehole wall stability, reduces accident The time is lost with complexity.
Due to having oil, the oil on cement plane to influence whether the first cement plane of well cementation, the second glue on the cement plane on oil base The bonding quality of junction removes the oil on the cement plane on oil base to need to use flushing liquor or wash type insulating liquid.Into And the oil removal efficiency of the well cementation flushing liquor or wash type insulating liquid used under the conditions of oil base drilling fluid directly affects well cementation first The bonding quality of cement plane, the second cement plane;To in order to improve the bonding quality of oil base drilling fluid well cementation, need by fixed The evaluation method of amount preferably goes out the good flushing liquor of oil removal efficiency or wash type insulating liquid.
However, not yet providing the oil removing that a kind of preferable method can determine flushing liquor or wash type insulating liquid now Efficiency, the well cementation to be directed to oil base drilling fluid go to select the flushing liquor of high oil removal efficiency or wash type insulating liquid.
Invention content
The present invention provides the oil removal efficiency assay method and device of a kind of flushing liquor or wash type insulating liquid, to solve The oil removal efficiency that a kind of preferable method can determine flushing liquor or wash type insulating liquid is not yet provided in the prior art, from And the problem of can not going to select the flushing liquor of high oil removal efficiency or wash type insulating liquid for the well cementation of oil base drilling fluid.
It is an aspect of the present invention to provide a kind of flushing liquor or the oil removal efficiency assay method of wash type insulating liquid, packets It includes:
Prepare two parts of pollution quartz sands polluted by oil base drilling fluid;
Using the flushing liquor or wash type insulating liquid prepared in advance, processing is rinsed to first part of pollution quartz sand, Quartz sand after being rinsed;
Respectively to quartz sand, the second part of pollution quartz sand after the flushing, oil content measurement is carried out, the flushing is obtained First oil content of quartz sand afterwards, second part of second oil content for polluting quartz sand;
According to first oil content, second oil content, oil removal efficiency is determined.
Further, two parts of pollution quartz sands polluted by oil base drilling fluid of the preparation, including:
Following steps are repeated, two parts of pollution quartz sands are obtained:
Using 100 mesh screens, processing is filtered to the oil base drilling fluid of the first volume uniformly made, is filtered Oil base drilling fluid afterwards;
The quartz sand of filtered oil base drilling fluid, default the first weight weighed out is put into the first beaker and is carried out Mixing, to the oil base drilling fluid containing quartz sand in first beaker, carries out mixing processing, stewing process successively;
Using 100 mesh screens to the oil base drilling fluid containing quartz sand described in after stewing process is filtered processing, And stewing process is carried out, obtain pollution quartz sand.
Further, described using the flushing liquor prepared in advance or wash type insulating liquid, to first part of pollution quartz sand It is rinsed processing, the quartz sand after being rinsed, including:
The flushing liquor prepared in advance or wash type insulating liquid for measuring the second volume, by first part pollute quartz sand, with And the flushing liquor prepared in advance or wash type insulating liquid of second volume are put into the second beaker;
Place is stirred to first part of pollution quartz sand, flushing liquor or the wash type insulating liquid in second beaker Reason, obtains the mixture after stir process;
Using 100 mesh screens, processing is filtered to the mixture after the stir process in second beaker, and Carry out stewing process, the quartz sand after being rinsed.
Further, described respectively to quartz sand, the second part of pollution quartz sand after the flushing, carry out oil content survey It is fixed, the first oil content, second part of second oil content for polluting quartz sand of the quartz sand after the flushing are obtained, including:
To quartz sand, the second part of pollution quartz sand after the flushing, the processing of following steps is carried out respectively, with determination First oil content of the quartz sand after the flushing, second part of second oil content for polluting quartz sand:
The quartz sand after the flushing of the second weight or second part of pollution quartz sand are weighed, by the quartz of the second weight Sand and the petroleum ether of the third volume measured in advance are put into conical flask with cover;
Conical flask with cover is carried out to sway processing, stewing process;
Conical flask with cover after stewing process is put into water bath with thermostatic control, carries out hot dipping processing, wherein in the hot dipping The conical flask with cover is carried out swaying processing every preset time during processing and deflation is handled;
Using the filter paper of the petroleum ether impregnated, processing is filtered to the quartz sand in the conical flask with cover, so that The petroleum ether filtered out is flowed into third beaker, wherein is being filtered processing to the quartz sand in the conical flask with cover During, cleaning treatment at least once is carried out to the quartz sand in filter process using petroleum ether, wherein described the The weight of three beakers is third weight;
The third beaker of the petroleum ether filtered out will be filled, is put into water bath with thermostatic control, is aerated concentration, so that Petroleum ether in the third beaker carries out volatilization and there are oil in the third beaker;
The third beaker is put into baking oven, drying and processing is carried out, to remove the moisture in the beaker, and is dried Third beaker after dry-cure;
Third beaker after drying and processing after cooling, is carried out by processing of weighing to third beaker, is obtained in drier 4th weight;
According to second weight, the third weight, the 4th weight, oil content is determined, wherein to the flushing Quartz sand afterwards carries out obtaining the first oil content when oil content measurement, and oil content measurement is carried out to described second part pollution quartz sand When obtain the second oil content.
Further, the oil content is (M2-M1)/M;
Wherein, M is the second weight, M1For third weight, M2For the 4th weight.
Further, described that oil removal efficiency is determined according to first oil content, second oil content, including:
According to the first oil content K1, the second oil content K2, determine oil removal efficiency K=(1-K2/K1) * 100%.
Another aspect of the present invention is to provide the oil removal efficiency measurement device of a kind of flushing liquor or wash type insulating liquid, packet It includes:
Module is prepared, two parts of pollution quartz sands polluted by oil base drilling fluid are used to prepare;
Wash module, for using the flushing liquor or wash type insulating liquid prepared in advance, polluting quartz sand to first part It is rinsed processing, the quartz sand after being rinsed;
Module is measured, for quartz sand, the second part of pollution quartz sand after the flushing, carrying out oil content survey respectively It is fixed, obtain the first oil content, second part of second oil content for polluting quartz sand of the quartz sand after the flushing;
Determining module, for according to first oil content, second oil content, determining oil removal efficiency.
Further, the preparation module, is specifically used for:
Following steps are repeated, two parts of pollution quartz sands are obtained:
Using 100 mesh screens, processing is filtered to the oil base drilling fluid of the first volume uniformly made, is filtered Oil base drilling fluid afterwards;
The quartz sand of filtered oil base drilling fluid, default the first weight weighed out is put into the first beaker and is carried out Mixing, to the oil base drilling fluid containing quartz sand in first beaker, carries out mixing processing, stewing process successively;
Using 100 mesh screens to the oil base drilling fluid containing quartz sand described in after stewing process is filtered processing, And stewing process is carried out, obtain pollution quartz sand.
Further, the wash module, including:
Submodule, the flushing liquor prepared in advance for measuring the second volume or wash type insulating liquid are handled, by first Part pollution quartz sand and the flushing liquor prepared in advance or wash type insulating liquid of second volume are put into the second beaker In;
Stir submodule, for first part in second beaker pollution quartz sand, flushing liquor or wash type every Chaotropic is stirred, and obtains the mixture after stir process;
Filter submodule, for using 100 mesh screens, to the mixture after the stir process in second beaker It is filtered processing, and carries out stewing process, the quartz sand after being rinsed.
Further, the measurement module, is specifically used for:
To quartz sand, the second part of pollution quartz sand after the flushing, the processing of following steps is carried out respectively, with determination First oil content of the quartz sand after the flushing, second part of second oil content for polluting quartz sand:
The quartz sand after the flushing of the second weight or second part of pollution quartz sand are weighed, by the quartz of the second weight Sand and the petroleum ether of the third volume measured in advance are put into conical flask with cover;
Conical flask with cover is carried out to sway processing, stewing process;
Conical flask with cover after stewing process is put into water bath with thermostatic control, carries out hot dipping processing, wherein in the hot dipping The conical flask with cover is carried out swaying processing every preset time during processing and deflation is handled;
Using the filter paper of the petroleum ether impregnated, processing is filtered to the quartz sand in the conical flask with cover, so that The petroleum ether filtered out is flowed into third beaker, wherein is being filtered processing to the quartz sand in the conical flask with cover During, cleaning treatment at least once is carried out to the quartz sand in filter process using petroleum ether, wherein described the The weight of three beakers is third weight;
The third beaker of the petroleum ether filtered out will be filled, is put into water bath with thermostatic control, is aerated concentration, so that Petroleum ether in the third beaker carries out volatilization and there are oil in the third beaker;
The third beaker is put into baking oven, drying and processing is carried out, to remove the moisture in the beaker, and is dried Third beaker after dry-cure;
Third beaker after drying and processing after cooling, is carried out by processing of weighing to third beaker, is obtained in drier 4th weight;
According to second weight, the third weight, the 4th weight, oil content is determined, wherein to the flushing Quartz sand afterwards carries out obtaining the first oil content when oil content measurement, and oil content measurement is carried out to described second part pollution quartz sand When obtain the second oil content.
Further, the oil content is (M2-M1)/M;
Wherein, M is the second weight, M1For third weight, M2For the 4th weight.
Further, the determining module, is specifically used for:
According to the first oil content K1, the second oil content K2, determine oil removal efficiency K=(1-K2/K1) * 100%.
The solution have the advantages that:By preparing two parts of pollution quartz sands polluted by oil base drilling fluid;Using advance The flushing liquor or wash type insulating liquid of preparation are rinsed processing, the quartz after being rinsed to first part of pollution quartz sand Sand;Respectively to quartz sand, the second part of pollution quartz sand after flushing, oil content measurement is carried out, the quartz sand after being rinsed First oil content, second part of second oil content for polluting quartz sand;According to the first oil content, the second oil content, determine that oil removing is imitated Rate.To provide a kind of method for the oil removal efficiency that can determine flushing liquor or wash type insulating liquid, and then can be right All types of flushing liquors or wash type insulating liquid carry out the measurement of oil removal efficiency, convenient for going to select for the well cementation of oil base drilling fluid Select out the flushing liquor or wash type insulating liquid of high oil removal efficiency.
Description of the drawings
Fig. 1 is the stream of the oil removal efficiency assay method of flushing liquor or wash type insulating liquid that the embodiment of the present invention one provides Cheng Tu;
Fig. 2 is the stream of the oil removal efficiency assay method of flushing liquor provided by Embodiment 2 of the present invention or wash type insulating liquid Cheng Tu;
Fig. 3 is the knot of the oil removal efficiency measurement device of flushing liquor or wash type insulating liquid that the embodiment of the present invention three provides Structure schematic diagram;
Fig. 4 is the knot of the oil removal efficiency measurement device of flushing liquor or wash type insulating liquid that the embodiment of the present invention three provides Structure schematic diagram.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the stream of the oil removal efficiency assay method of flushing liquor or wash type insulating liquid that the embodiment of the present invention one provides Cheng Tu, as shown in Figure 1, the method for the present embodiment, including:
Step 101 prepares two parts of pollution quartz sands polluted by oil base drilling fluid.
In the present embodiment, it specifically, in order to carry out the measurement of oil removal efficiency, needs to carry out contrast test, then just needing Prepare two samples.In the present embodiment, the pollution stone polluted by oil base drilling fluid in oil field can be acquired Sand needs the sample of two parts of pollution quartz sand polluted by oil base drilling fluid of acquisition;Oil base drilling fluid can also be used to stone The processing that sand is polluted is also required to prepare two parts here to obtain the pollution quartz sand polluted by oil base drilling fluid By the sample of the pollution quartz sand of oil base drilling fluid pollution.
Step 102, using the flushing liquor or wash type insulating liquid prepared in advance, first part of pollution quartz sand is rushed Processing is washed, the quartz sand after being rinsed.
In the present embodiment, it specifically, having made flushing liquor or wash type insulating liquid in advance, then can adopt With flushing liquor or wash type insulating liquid, processing is rinsed to first part of pollution quartz sand, is understood during flushing by the The upper oil base drilling fluid of portion pollution quartz sand surface is removed, and is then filtered after processing, so that it may to be rushed Quartz sand after washing.
Step 103, respectively to after flushing quartz sand, second part pollution quartz sand, carry out oil content measurement, rinsed First oil content of quartz sand afterwards, second part of second oil content for polluting quartz sand.
In the present embodiment, specifically, carrying out oil content measurement to the quartz sand after the flushing that is obtained in step 102, from And the first oil content K of the quartz sand after being rinsed1;Meanwhile it needing directly to carry out oil to second part of pollution quartz sand Assay will not be rinsed processing, so as to obtain second part of pollution quartz sand to second part of pollution quartz sand at this time The second oil content K2
Step 104, according to the first oil content, the second oil content, determine oil removal efficiency.
In the present embodiment, specifically, according to the first oil content K of the quartz sand after the flushing obtained in step 1031, And the second oil content K of second part of pollution quartz sand2Carry out mathematical computations, to calculated flushing liquor or wash type every Oil removal efficiency K=(the 1-K of chaotropic2/K1) * 100%.
The present embodiment is by preparing two parts of pollution quartz sands polluted by oil base drilling fluid;Using the flushing liquor prepared in advance Or wash type insulating liquid, processing is rinsed to first part of pollution quartz sand, the quartz sand after being rinsed;Respectively to rinsing Rear quartz sand, second part of pollution quartz sand, carry out oil content measurement, the first oil content of the quartz sand after being rinsed, the Second oil content of two parts of pollution quartz sand;According to the first oil content, the second oil content, oil removal efficiency is determined.To provide A kind of method for the oil removal efficiency that can determine flushing liquor or wash type insulating liquid, and then can be to all types of flushing liquors Or wash type insulating liquid carries out the measurement of oil removal efficiency, convenient for going to select high oil removal efficiency for the well cementation of oil base drilling fluid Flushing liquor or wash type insulating liquid.
Fig. 2 is the stream of the oil removal efficiency assay method of flushing liquor provided by Embodiment 2 of the present invention or wash type insulating liquid Cheng Tu, as shown in Fig. 2, in the method for the present embodiment, step 101, is specifically included on the basis of embodiment one:
Following steps are repeated, two parts of pollution quartz sands are obtained:
Using 100 mesh screens, processing is filtered to the oil base drilling fluid of the first volume uniformly made, is filtered Oil base drilling fluid afterwards;
The quartz sand of filtered oil base drilling fluid, default the first weight weighed out is put into the first beaker and is carried out Mixing, to the oil base drilling fluid containing quartz sand in the first beaker, carries out mixing processing, stewing process successively;
Using 100 mesh screens to the oil base drilling fluid containing quartz sand after stewing process is filtered processing, go forward side by side Row stewing process obtains pollution quartz sand.
In the present embodiment, specifically, uniformly having made oil base drilling fluid in advance, firstly, it is necessary to using 100 mesh Sieve is filtered processing to the oil base drilling fluid uniformly made.In the present embodiment, the oil of the first volume can be measured out Base drilling fluid, wherein the first volume is 200ml, then uses 100 mesh screens, place is filtered to 200ml oil base drilling fluids Reason, to obtain filtered oil base drilling fluid, then pours into filtered oil base drilling fluid in the first beaker of 500ml.
Using the tool of weighing, the quartz sand of the first weight is weighed out, wherein the first weight is 20g.Then, by the stone of 20g Sand is also placed in into the first beaker.At this point, having had the quartz of filtered oil base drilling fluid, 20g in the first beaker Sand;Then, it is put into a magnon in the first beaker, then the first beaker is placed on magnetic stirring apparatus, using 150r/min The first beaker of rotating speed pair in oil base drilling fluid containing quartz sand stir 1 hour, and then to containing stone in the first beaker The oil base drilling fluid of sand carries out mixing processing so that the quartz sand in the first beaker is sufficiently mixed with oil base drilling fluid. It remixes stir process and stewing process is carried out to the substance in the first beaker later, 24 hours can be stood in this embodiment.
Then, it by the oil base drilling fluid containing quartz sand after the stewing process in the first beaker, pours on 100 mesh screens Go to be filtered processing, to filtering out oil base drilling fluid from the oil base drilling fluid containing quartz sand, then to filtration treatment after Quartz sand carry out stewing process, 5 minutes can be stood, to obtain pollution quartz sand, wherein the oil base drilling fluid filtered out can To be handled according to waste.
Using above procedure, a pollution quartz sand can be prepared.It needs to use above procedure in the present embodiment, prepare Go out two parts of pollution quartz sands:First part of pollution quartz sand, second part of pollution quartz sand.
Step 102, including:
Step 1021, the flushing liquor prepared in advance or wash type insulating liquid for measuring the second volume, first part is polluted The flushing liquor prepared in advance or wash type insulating liquid of quartz sand and the second volume are put into the second beaker.
In the present embodiment, specifically, due to having made flushing liquor or wash type insulating liquid, Ke Yiliang in advance Take out the flushing liquor or wash type insulating liquid of the second volume 200ml.Can first stone be polluted by obtained in step 101 first part Sand pours into the second beaker of 500ml, and the flushing liquor of 200ml or wash type insulating liquid are then poured into second beaker In.
Step 1022 stirs first part of pollution quartz sand, flushing liquor or the wash type insulating liquid in the second beaker Processing is mixed, the mixture after stir process is obtained.
In the present embodiment, specifically, a magnon is put into the second beaker, the second beaker, which is placed on magnetic force, to be stirred It mixes on device, with first part of pollution quartz sand, flushing liquor or the wash type insulating liquid in the second beaker of rotating speed pair of 150r/min It is stirred, can stir 10 minutes, after stir process, so that it may to obtain the mixture after stir process.
Step 1023, using 100 mesh screens, processing is filtered to the mixture after the stir process in the second beaker, And stewing process is carried out, the quartz sand after being rinsed.
In the present embodiment, specifically, the mixture after the stir process in the second beaker is poured on 100 mesh screens, It, will be in the mixture after stir process so as to be filtered processing to the mixture after the stir process in the second beaker Liquid filters out, wherein the filtrate of elimination can be handled by waste.Then the substance that is filtered that treated is carried out quiet Processing is set, 5 minutes can be stood, to the quartz sand after being rinsed.
Step 103, including:
Step 1031, the quartz sand to after flushing, second part of pollution quartz sand, carry out the processing of following steps respectively, To determine the first oil content, second part of second oil content for polluting quartz sand of the quartz sand after rinsing.
In the present embodiment, specifically, needing that quartz sand, the second part of pollution quartz sand after flushing are carried out oil and contained respectively It is fixed to measure, and needs the processing for carrying out step 1032- steps 1039 to quartz sand, the second part of pollution quartz sand after flushing respectively, And then the first oil content K of the quartz sand after being rinsed1, second part of pollution quartz sand the second oil content K2
Step 1032 weighs the quartz sand after the flushing of the second weight or second part of pollution quartz sand, by the second weight Quartz sand and the petroleum ether of the third volume measured in advance be put into conical flask with cover.
In the present embodiment, specifically, first, weighing the quartz sand after the flushing of the second weight in step 102, the second weight Measuring M can be within the scope of 10 ± 0.1g.Meanwhile also weigh the second weight second part respectively pollutes quartz sand.
Then quartz sand is polluted by second part of the quartz sand or the second weight after the flushing of the second weight, be put into In 250ml conical flask with cover;Then, the petroleum ether of requirement taking-up third volume 25mL pours into conical flask with cover, wherein stone Oily ether use fraction for 60~90 petroleum ether.
Step 1033 carries out conical flask with cover to sway processing, stewing process.
In the present embodiment, it specifically, after step 1032, needs that conical flask with cover is carried out to sway processing, is shaking It has swung 2 minutes and then bottle stopper, stewing process 24 hours is covered to conical flask with cover.
Conical flask with cover after stewing process is put into water bath with thermostatic control by step 1034, carries out hot dipping processing, wherein Conical flask with cover is carried out swaying processing every preset time during hot dipping is handled and deflation is handled.
In the present embodiment, specifically, the water of water bath with thermostatic control has been warming up to 53 ± 2 DEG C in advance, at this time by step 1033 stood 24 hours after conical flask with cover be put into water bath with thermostatic control, also, the environment of water bath with thermostatic control be ventilation, So just in actual operation, conical flask with cover can be put into process in water bath with thermostatic control can in draught cupboard into Row.When conical flask with cover is put into progress hot dipping processing in water bath with thermostatic control, needed to open every 20 minutes to have to fill in and bore The bottle stopper of shape bottle carries out conical flask with cover to sway processing, while carrying out deflation processing to conical flask with cover, has plug cone with discharge Gas in shape bottle;Continue this process, until having handled 1 hour conical flask with cover hot dipping.
Step 1035, using the filter paper of the petroleum ether impregnated, processing is filtered to the quartz sand in conical flask with cover, So that the petroleum ether filtered out is flowed into third beaker, wherein be filtered processing to the quartz sand in conical flask with cover During, cleaning treatment at least once is carried out to the quartz sand in filter process using petroleum ether, wherein third is burnt The weight of cup is third weight.
In the present embodiment, specifically, taking out filter paper, these filter paper have been impregnated 24 hours using petroleum ether in advance. Prepare a drying, cleaning, constant weight 250mL third beaker, third beaker weigh its weight be third weight M1.By third Beaker is placed on the lower section of filter paper, and the mixture in the conical flask with cover obtained in step 1034 all pours on filter paper, then Petroleum ether in the mixture can be flowed by filter paper in third beaker, and then be filtered to the quartz sand in plug conical flask Processing is needed petroleum ether is employed many times and is carried out at cleaning to the quartz sand in filter process during filtration treatment Reason, until be flowed into third beaker petrochina ether it is colourless until.Wherein, petroleum ether use fraction for 60~90 petroleum ether.
Step 1036, the third beaker that will fill the petroleum ether filtered out, are put into water bath with thermostatic control, are aerated concentration Processing, so that the petroleum ether in third beaker carries out volatilization and there are oil in third beaker.
In the present embodiment, it specifically, the water of water bath with thermostatic control is warming up to 58 ± 2 DEG C, is filtered out being filled in step 105 Petroleum ether third beaker, be placed in water bath with thermostatic control, this process can still carry out in draught cupboard.It is divulged information by high temperature Petroleum ether in third beaker is concentrated to dryness by environment.Due in step 1035, being flowed into the liquid in third beaker in addition to stone Oily ether, the also oil base drilling fluid on quartz sand, to which in step 1036, the petroleum ether in third beaker is concentrated to dryness it Afterwards, there are oil base drilling fluids in third beaker.
Third beaker is put into baking oven by step 1037, is carried out drying and processing, to remove the moisture in beaker, and is obtained Third beaker after drying and processing.
In the present embodiment, specifically, to take out third beaker in water bath with thermostatic control, the outer wall water of third beaker is dried Point;Then third beaker is put into baking oven, is dried 4 hours under the conditions of 70 ± 2 DEG C, then can removes the water in beaker Point, third beaker is taken out from baking oven, obtains the third beaker after drying and processing.
Step 1038 after cooling, weighs to third beaker in drier to the third beaker after drying and processing Processing, obtains the 4th weight.
In the present embodiment, cold specifically, the third beaker after drying and processing in step 1037 is put into drier But 30 minutes;After 30 minutes, it weighs to third beaker, obtains the 4th weight M2
Step 1039, according to the second weight, third weight, the 4th weight, determine oil content, wherein to the stone after flushing Sand carries out obtaining the first oil content when oil content measurement, and second is obtained when carrying out oil content measurement to second part of pollution quartz sand Oil content.
Wherein, oil content is (M2-M1)/M;M is the second weight, M1For third weight, M2For the 4th weight.
In the present embodiment, specifically, to the second weight M, third weight M1, the 4th weight M2Mathematical computations are carried out, it can be with Obtain oil content (M2-M1)/M。
Wherein, in step 1032, weigh be rinse after quartz sand, then repeat step 1032-1039 it Afterwards, the first oil content K of the quartz sand after being rinsed1;If in step 1032, what is weighed is second part of pollution quartz sand, After so repeating step 1032-1039, the second oil content K of second part of pollution quartz sand is obtained2
Then after execution step 104, so that it may to obtain the oil removal efficiency K of flushing liquor or wash type insulating liquid.
In the present embodiment, the measurement that five kinds of wash type insulating liquids are carried out with oil removal efficiency, can obtain five kinds of wash types Insulating liquid carries out the comparative situation of oil removal efficiency.
1 five kinds of wash type insulating liquids of table carry out oil removal efficiency
From table 1, it can be seen that five kinds of wash type insulating liquids carry out oil removal efficiency 90% or more.Pass through this Shen The method that please be provided can be measured the oil removal efficiency of flushing liquor or wash type insulating liquid.
The present embodiment is by preparing two parts of pollution quartz sands polluted by oil base drilling fluid;Using the flushing liquor prepared in advance Or wash type insulating liquid, processing is rinsed to first part of pollution quartz sand, the quartz sand after being rinsed;Respectively to rinsing Rear quartz sand, second part of pollution quartz sand, carry out oil content measurement, the first oil content of the quartz sand after being rinsed, the Second oil content of two parts of pollution quartz sand;First oil content K1, the second oil content K2, determine oil removal efficiency K=(1-K2/K1)* 100%.To provide a kind of method for the oil removal efficiency that can determine flushing liquor or wash type insulating liquid, and then can be with The measurement that oil removal efficiency is carried out to all types of flushing liquors or wash type insulating liquid, goes convenient for the well cementation for oil base drilling fluid Select the flushing liquor or wash type insulating liquid of high oil removal efficiency.
Fig. 3 is the knot of the oil removal efficiency measurement device of flushing liquor or wash type insulating liquid that the embodiment of the present invention three provides Structure schematic diagram, as shown in figure 3, device provided in this embodiment, including:
Module 31 is prepared, two parts of pollution quartz sands polluted by oil base drilling fluid are used to prepare;
Wash module 32, for using the flushing liquor or wash type insulating liquid prepared in advance, polluting quartz to first part Sand is rinsed processing, the quartz sand after being rinsed;
Module 33 is measured, for quartz sand, the second part of pollution quartz sand after flushing, carrying out oil content measurement respectively, First oil content of the quartz sand after being rinsed, second part of second oil content for polluting quartz sand;
Determining module 34, for according to the first oil content, the second oil content, determining oil removal efficiency.
The flushing liquor of the present embodiment or the oil removal efficiency measurement device of wash type insulating liquid can perform the embodiment of the present invention The oil removal efficiency assay method of one flushing liquor provided or wash type insulating liquid, realization principle is similar, no longer superfluous herein It states.
The present embodiment is by preparing two parts of pollution quartz sands polluted by oil base drilling fluid;Using the flushing liquor prepared in advance Or wash type insulating liquid, processing is rinsed to first part of pollution quartz sand, the quartz sand after being rinsed;Respectively to rinsing Rear quartz sand, second part of pollution quartz sand, carry out oil content measurement, the first oil content of the quartz sand after being rinsed, the Second oil content of two parts of pollution quartz sand;According to the first oil content, the second oil content, oil removal efficiency is determined.To provide A kind of method for the oil removal efficiency that can determine flushing liquor or wash type insulating liquid, and then can be to all types of flushing liquors Or wash type insulating liquid carries out the measurement of oil removal efficiency, convenient for going to select high oil removal efficiency for the well cementation of oil base drilling fluid Flushing liquor or wash type insulating liquid.
Fig. 4 is the knot of the oil removal efficiency measurement device of flushing liquor or wash type insulating liquid that the embodiment of the present invention three provides Structure schematic diagram, on the basis of embodiment three, as shown in figure 4, device provided in this embodiment, prepares module 31, be specifically used for:
Following steps are repeated, two parts of pollution quartz sands are obtained:
Using 100 mesh screens, processing is filtered to the oil base drilling fluid of the first volume uniformly made, is filtered Oil base drilling fluid afterwards;
The quartz sand of filtered oil base drilling fluid, default the first weight weighed out is put into the first beaker and is carried out Mixing, to the oil base drilling fluid containing quartz sand in the first beaker, carries out mixing processing, stewing process successively;
Using 100 mesh screens to the oil base drilling fluid containing quartz sand after stewing process is filtered processing, go forward side by side Row stewing process obtains pollution quartz sand.
Wash module 32, including:
Handle submodule 321, the flushing liquor prepared in advance for measuring the second volume or wash type insulating liquid, by the Portion pollution quartz sand and the flushing liquor prepared in advance or wash type insulating liquid of the second volume are put into the second beaker In;
Submodule 322 is stirred, for first part of pollution quartz sand, flushing liquor or the wash type in the second beaker to be isolated Liquid is stirred, and obtains the mixture after stir process;
Filter submodule 323 carries out the mixture after the stir process in the second beaker for using 100 mesh screens Filtration treatment, and stewing process is carried out, the quartz sand after being rinsed.
Module 33 is measured, is specifically used for:
To quartz sand, the second part of pollution quartz sand after flushing, the processing of following steps is carried out respectively, is rinsed with determining First oil content of quartz sand afterwards, second part of second oil content for polluting quartz sand:
Weigh the quartz sand after the flushing of the second weight or second part pollution quartz sand, by the quartz sand of the second weight, And the petroleum ether of the third volume measured in advance is put into conical flask with cover;
Conical flask with cover is carried out to sway processing, stewing process;
Conical flask with cover after stewing process is put into water bath with thermostatic control, hot dipping processing is carried out, wherein is handled in hot dipping During sway processing to conical flask with cover every preset time and deflation is handled;
Using the filter paper of the petroleum ether impregnated, processing is filtered to the quartz sand in conical flask with cover, so that filtering The petroleum ether gone out is flowed into third beaker, wherein during being filtered processing to the quartz sand in conical flask with cover, Cleaning treatment at least once is carried out to the quartz sand in filter process using petroleum ether, wherein the weight of third beaker For third weight;
The third beaker of the petroleum ether filtered out will be filled, is put into water bath with thermostatic control, is aerated concentration, so that Petroleum ether in third beaker carries out volatilization and there are oil in third beaker;
Third beaker is put into baking oven, drying and processing is carried out, to remove the moisture in beaker, and after obtaining drying and processing Third beaker;
Third beaker after drying and processing after cooling, is carried out by processing of weighing to third beaker, is obtained in drier 4th weight;
According to the second weight, third weight, the 4th weight, oil content is determined, wherein oil is carried out to the quartz sand after flushing The first oil content is obtained when assay, and the second oil content is obtained when carrying out oil content measurement to second part of pollution quartz sand.
Wherein, oil content is (M2-M1)/M;M is the second weight, M1For third weight, M2For the 4th weight.
Determining module 34, is specifically used for:
According to the first oil content K1, the second oil content K2, determine oil removal efficiency K=(1-K2/K1) * 100%.
The flushing liquor of the present embodiment or the oil removal efficiency measurement device of wash type insulating liquid can perform the embodiment of the present invention The oil removal efficiency assay method of two flushing liquors provided or wash type insulating liquid, realization principle is similar, no longer superfluous herein It states.
The present embodiment is by preparing two parts of pollution quartz sands polluted by oil base drilling fluid;Using the flushing liquor prepared in advance Or wash type insulating liquid, processing is rinsed to first part of pollution quartz sand, the quartz sand after being rinsed;Respectively to rinsing Rear quartz sand, second part of pollution quartz sand, carry out oil content measurement, the first oil content of the quartz sand after being rinsed, the Second oil content of two parts of pollution quartz sand;First oil content K1, the second oil content K2, determine oil removal efficiency K=(1-K2/K1)* 100%.To provide a kind of method for the oil removal efficiency that can determine flushing liquor or wash type insulating liquid, and then can be with The measurement that oil removal efficiency is carried out to all types of flushing liquors or wash type insulating liquid, goes convenient for the well cementation for oil base drilling fluid Select the flushing liquor or wash type insulating liquid of high oil removal efficiency.
One of ordinary skill in the art will appreciate that:Realize that all or part of step of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey When being executed, execution includes the steps that above-mentioned each method embodiment to sequence;And storage medium above-mentioned includes:ROM, RAM, magnetic disc or The various media that can store program code such as person's CD.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features; And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (12)

1. the oil removal efficiency assay method of a kind of flushing liquor or wash type insulating liquid, which is characterized in that including:
Prepare two parts of pollution quartz sands polluted by oil base drilling fluid;
Using the flushing liquor or wash type insulating liquid prepared in advance, processing is rinsed to first part of pollution quartz sand, is obtained Quartz sand after flushing;
Respectively to quartz sand, the second part of pollution quartz sand after the flushing, oil content measurement is carried out, after obtaining the flushing First oil content of quartz sand, second part of second oil content for polluting quartz sand;
According to first oil content, second oil content, oil removal efficiency is determined.
2. according to the method described in claim 1, it is characterized in that, described prepare two parts of pollution stones polluted by oil base drilling fluid Sand, including:
Following steps are repeated, two parts of pollution quartz sands are obtained:
Using 100 mesh screens, processing is filtered to the oil base drilling fluid of the first volume uniformly made, is obtained filtered Oil base drilling fluid;
The quartz sand of filtered oil base drilling fluid, default the first weight weighed out is put into the first beaker and is mixed It closes, to the oil base drilling fluid containing quartz sand in first beaker, carries out mixing processing, stewing process successively;
Using 100 mesh screens to the oil base drilling fluid containing quartz sand described in after stewing process is filtered processing, go forward side by side Row stewing process obtains pollution quartz sand.
3. according to the method described in claim 1, it is characterized in that, it is described using the flushing liquor prepared in advance or wash type every Chaotropic is rinsed processing to first part of pollution quartz sand, the quartz sand after being rinsed, including:
The flushing liquor prepared in advance or wash type insulating liquid for measuring the second volume pollute quartz sand, Yi Jisuo by first part The flushing liquor prepared in advance or wash type insulating liquid for stating the second volume are put into the second beaker;
First part of pollution quartz sand, flushing liquor or wash type insulating liquid in second beaker is stirred, is obtained Mixture after to stir process;
Using 100 mesh screens, processing is filtered to the mixture after the stir process in second beaker, and carry out Stewing process, the quartz sand after being rinsed.
4. according to the method described in claim 1, it is characterized in that, it is described respectively to after the flushing quartz sand, second part Quartz sand is polluted, oil content measurement is carried out, obtains the first oil content, the second part of pollution quartz sand of the quartz sand after the flushing The second oil content, including:
To quartz sand, the second part of pollution quartz sand after the flushing, the processing of following steps is carried out respectively, described in determination First oil content of the quartz sand after flushing, second part of second oil content for polluting quartz sand:
Weigh the quartz sand after the flushing of the second weight or second part pollution quartz sand, by the quartz sand of the second weight, And the petroleum ether of the third volume measured in advance is put into conical flask with cover;
Conical flask with cover is carried out to sway processing, stewing process;
Conical flask with cover after stewing process is put into water bath with thermostatic control, hot dipping processing is carried out, wherein is handled in the hot dipping During sway processing to the conical flask with cover every preset time and deflation is handled;
Using the filter paper of the petroleum ether impregnated, processing is filtered to the quartz sand in the conical flask with cover, so that filtering The petroleum ether gone out is flowed into third beaker, wherein in the mistake for being filtered processing to the quartz sand in the conical flask with cover Cheng Zhong carries out cleaning treatment at least once, wherein the third is burnt using petroleum ether to the quartz sand in filter process The weight of cup is third weight;
The third beaker of the petroleum ether filtered out will be filled, is put into water bath with thermostatic control, is aerated concentration, so that described Petroleum ether in third beaker carries out volatilization and there are oil in the third beaker;
The third beaker is put into baking oven, drying and processing is carried out, to remove the moisture in the beaker, and obtains at drying Third beaker after reason;
Third beaker after drying and processing after cooling, is carried out by processing of weighing to third beaker, obtains the 4th in drier Weight;
According to second weight, the third weight, the 4th weight, oil content is determined, wherein after the flushing Quartz sand carries out obtaining the first oil content when oil content measurement, is obtained when carrying out oil content measurement to described second part pollution quartz sand To the second oil content.
5. according to the method described in claim 4, it is characterized in that, the oil content is (M2-M1)/M;
Wherein, M is the second weight, M1For third weight, M2For the 4th weight.
6. according to claim 1-5 any one of them methods, which is characterized in that it is described according to first oil content, it is described Second oil content determines oil removal efficiency, including:
According to the first oil content K1, the second oil content K2, determine oil removal efficiency K=(1-K2/K1) * 100%.
7. the oil removal efficiency measurement device of a kind of flushing liquor or wash type insulating liquid, which is characterized in that including:
Module is prepared, two parts of pollution quartz sands polluted by oil base drilling fluid are used to prepare;
Wash module, for using the flushing liquor or wash type insulating liquid prepared in advance, being carried out to first part of pollution quartz sand Flushing is handled, the quartz sand after being rinsed;
Module is measured, for quartz sand, the second part of pollution quartz sand after the flushing, carrying out oil content measurement respectively, obtaining First oil content of the quartz sand after to the flushing, second part of second oil content for polluting quartz sand;
Determining module, for according to first oil content, second oil content, determining oil removal efficiency.
8. device according to claim 7, which is characterized in that the preparation module is specifically used for:
Following steps are repeated, two parts of pollution quartz sands are obtained:
Using 100 mesh screens, processing is filtered to the oil base drilling fluid of the first volume uniformly made, is obtained filtered Oil base drilling fluid;
The quartz sand of filtered oil base drilling fluid, default the first weight weighed out is put into the first beaker and is mixed It closes, to the oil base drilling fluid containing quartz sand in first beaker, carries out mixing processing, stewing process successively;
Using 100 mesh screens to the oil base drilling fluid containing quartz sand described in after stewing process is filtered processing, go forward side by side Row stewing process obtains pollution quartz sand.
9. device according to claim 7, which is characterized in that the wash module, including:
Submodule, the flushing liquor prepared in advance for measuring the second volume or wash type insulating liquid are handled, by first part of dirt Dye quartz sand and the flushing liquor prepared in advance or wash type insulating liquid of second volume are put into the second beaker;
Submodule is stirred, for first part of pollution quartz sand, flushing liquor or the wash type insulating liquid in second beaker It is stirred, obtains the mixture after stir process;
Filter submodule carries out the mixture after the stir process in second beaker for using 100 mesh screens Filtration treatment, and stewing process is carried out, the quartz sand after being rinsed.
10. device according to claim 7, which is characterized in that the measurement module is specifically used for:
To quartz sand, the second part of pollution quartz sand after the flushing, the processing of following steps is carried out respectively, described in determination First oil content of the quartz sand after flushing, second part of second oil content for polluting quartz sand:
Weigh the quartz sand after the flushing of the second weight or second part pollution quartz sand, by the quartz sand of the second weight, And the petroleum ether of the third volume measured in advance is put into conical flask with cover;
Conical flask with cover is carried out to sway processing, stewing process;
Conical flask with cover after stewing process is put into water bath with thermostatic control, hot dipping processing is carried out, wherein is handled in the hot dipping During sway processing to the conical flask with cover every preset time and deflation is handled;
Using the filter paper of the petroleum ether impregnated, processing is filtered to the quartz sand in the conical flask with cover, so that filtering The petroleum ether gone out is flowed into third beaker, wherein in the mistake for being filtered processing to the quartz sand in the conical flask with cover Cheng Zhong carries out cleaning treatment at least once, wherein the third is burnt using petroleum ether to the quartz sand in filter process The weight of cup is third weight;
The third beaker of the petroleum ether filtered out will be filled, is put into water bath with thermostatic control, is aerated concentration, so that described Petroleum ether in third beaker carries out volatilization and there are oil in the third beaker;
The third beaker is put into baking oven, drying and processing is carried out, to remove the moisture in the beaker, and obtains at drying Third beaker after reason;
Third beaker after drying and processing after cooling, is carried out by processing of weighing to third beaker, obtains the 4th in drier Weight;
According to second weight, the third weight, the 4th weight, oil content is determined, wherein after the flushing Quartz sand carries out obtaining the first oil content when oil content measurement, is obtained when carrying out oil content measurement to described second part pollution quartz sand To the second oil content.
11. device according to claim 10, which is characterized in that the oil content is (M2-M1)/M;
Wherein, M is the second weight, M1For third weight, M2For the 4th weight.
12. according to claim 7-11 any one of them devices, which is characterized in that the determining module is specifically used for:
According to the first oil content K1, the second oil content K2, determine oil removal efficiency K=(1-K2/K1) * 100%.
CN201710237165.4A 2017-04-12 2017-04-12 The oil removal efficiency assay method and device of flushing liquor or wash type insulating liquid Pending CN108693066A (en)

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Application publication date: 20181023