CN101864284A - Elm bark powder particles, preparation method for elm bark powder particles, elm bark powder vegetable gum and application of elm bark powder vegetable gum - Google Patents
Elm bark powder particles, preparation method for elm bark powder particles, elm bark powder vegetable gum and application of elm bark powder vegetable gum Download PDFInfo
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- CN101864284A CN101864284A CN 201010209530 CN201010209530A CN101864284A CN 101864284 A CN101864284 A CN 101864284A CN 201010209530 CN201010209530 CN 201010209530 CN 201010209530 A CN201010209530 A CN 201010209530A CN 101864284 A CN101864284 A CN 101864284A
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- ulmi pumilae
- cortex ulmi
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Abstract
The invention relates to elm bark powder particles, a preparation method for the elm bark powder particles and an elm bark powder vegetable gum. The preparation method for the elm bark powder particles comprises the steps of sorting, drying and crushing. The particle diameter of the elm bark powder particles is 0.148 to 0.185mm. The elm bark powder particles and water are mixed to prepare the elm bark powder vegetable gum, and the concentration of the weight ratio is 3 to 5 percent. The invention also discloses application of the elm bark powder vegetable gum serving as water shutoff agent suspension, water shutoff agent carrier fluid, preparation base slurry for auto-depredated drilling fluid or the preparation base slurry for low-density aerated drilling fluid. In the invention, when the high molecules such as pentosan, soluble cellulose and the like in the elm bark powder particles are in solid state, the molecular chains are coiled; the water molecules enter the molecules when the molecular chains are in water; hydrogen bond adsorption occurs between the -OH group on the molecular chain and the water molecules to produce a process from swelling to dissolution, so that the contact and the internal friction force between the molecules are increased and viscosity is showed; and the prepared elm bark powder vegetable gum has the main characteristic of obvious viscosifying performance.
Description
Technical field
The present invention relates to the application of a kind of Cortex ulmi pumilae powder, Cortex ulmi pumilae powder preparation method, Cortex ulmi pumilae powder vegetable gum and Cortex ulmi pumilae powder vegetable gum.
Background technology
Each oil field is scratched by the tired of well water in the production practice midium or long term, if adopt ideal water shutoff material and shutoff method effectively to address this problem.Water blockoff is to allow water form gel under the macromolecular material effect, lose flowability and block the water stream channel of further part, allow in the oil reservoir water flow and change direction, for oil well is created bigger fuel feeding radius, allow the water that injects or local water on bigger displacement of reservoir oil radius, bring into play effect with water displacing oil, improve oil well output, improve the oil well ultimate recovery factor.
Chinese the regional vast in territory of wild plant of growing, have many areas not to be developed as yet, some wild plants can well be used in oil producing operation through certain processing treatment, for example contain poly-pentose, xylogen, Mierocrystalline cellulose etc. in the Cortex ulmi pumilae, form.Main component wherein---poly-pentose is a natural high moleculer eompound, is characterized in containing on the macromolecular chain a plurality of hydroxyls, and adsorptive power is very strong, is adsorbed on solid or rock surface easily and forms the macromolecule solvent moisture film.Poly-pentose can form colloid in water, have high tackifying ability.Water-insoluble in the Cortex ulmi pumilae has oil soluble, water-absorbent preferably in addition, can form water external emulsion under formation condition.
Summary of the invention
The present invention provides the application of a kind of Cortex ulmi pumilae powder, Cortex ulmi pumilae powder preparation method, Cortex ulmi pumilae powder vegetable gum and Cortex ulmi pumilae powder vegetable gum for solving the problems of the technologies described above.
The present invention solves the technical scheme that its technical problem takes: a kind of Cortex ulmi pumilae powder preparation method comprises the steps:
Select materials removal of contamination from Cortex ulmi pumilae;
Drying adopts the mode of drying or drying, and makes dried Cortex ulmi pumilae weight reduce 12% at least;
Pulverize, powder is made in dried Cortex ulmi pumilae fragmentation.
After the described pulverising step, also can comprise the step of sieving, powder is passed through 80～100 purpose sieve.
In the described drying step, the temperature that drying mode adopted can be 50～60 ℃, continues 12～24 hours.
Described Cortex ulmi pumilae can adopt the Cortex ulmi pumilae of gathering autumn.
A kind of Cortex ulmi pumilae powder, particle diameter are 0.148～0.185mm.
Described particle diameter can be 0.154～0.180mm.
A kind of Cortex ulmi pumilae powder vegetable gum comprises the mixing of Cortex ulmi pumilae powder and water, and the concentration of weight proportion is 3-5%.
The salinity scope of water can be 15000～20000mg/l.
The Cortex ulmi pumilae powder vegetable gum is as the application of plugging agent suspension or plugging agent transport fluid.
The Cortex ulmi pumilae powder vegetable gum is as the application of the preparation base slurry of degraded drilling fluid automatically.
The Cortex ulmi pumilae powder vegetable gum is as the application of the preparation base slurry of low density aerated mud.
Among the present invention, polymers such as poly-pentose in the described Cortex ulmi pumilae powder and soluble cellulose are when solid-state, molecular chain is rolled state, water molecules enters between these molecules after meeting water, on the molecular chain-OH base and water molecules generation adsorption by hydrogen bond, produce by swelling to the dissolved process, increased intermolecular contact and internal friction, demonstrate viscosity, the principal feature of preparing the Cortex ulmi pumilae powder vegetable gum has tangible thickening property exactly.Utilize the viscosity of Cortex ulmi pumilae powder vegetable gum, we can strengthen water plugging effect with its suspension and transport fluid as the particle plugging agent, and have increased the feasibility of particle plugging agent plug water construction.And because Cortex ulmi pumilae powder vegetable gum aboundresources, tooling cost is low, has quite high cost performance, so have the wide development prospect.
Description of drawings
Fig. 1 is the graph of relation of Cortex ulmi pumilae powder vegetable gum viscosity and concentration;
Fig. 2 is the Cortex ulmi pumilae vegetable jelly viscosity and the salinity graph of relation of 5% concentration;
Fig. 3 is the Cortex ulmi pumilae vegetable jelly stability test graphic representation of 5% concentration;
Fig. 4 is the automatic viscosity reduction experimental curve diagram of biochemical treatment Cortex ulmi pumilae powder vegetable gum;
Fig. 5 recovers experimental curve diagram for the perviousness of biochemical treatment Cortex ulmi pumilae powder vegetable gum.
Embodiment
Embodiment 1:
A kind of Cortex ulmi pumilae powder preparation method comprises the steps:
Select materials removal of contamination the Cortex ulmi pumilae of gathering from autumn;
Drying adopts the mode of drying, and temperature is 60 ℃, continues 12 hours.Make dried Cortex ulmi pumilae weight reduce 12%;
Pulverize, powder is made in dried Cortex ulmi pumilae fragmentation, to remove robust fibre;
Sieve, powder is passed through 80 purpose sieve.
A kind of Cortex ulmi pumilae powder, particle diameter are 0.185mm.
A kind of Cortex ulmi pumilae powder vegetable gum comprises the mixing of Cortex ulmi pumilae powder and water, and the concentration of weight proportion is 3%, and wherein, the salinity scope of water is 20000mg/l.
Embodiment 2:
A kind of Cortex ulmi pumilae powder preparation method comprises the steps:
Select materials removal of contamination the Cortex ulmi pumilae of gathering from autumn;
Drying adopts the mode of drying, and temperature is 50 ℃, continues 24 hours.Make dried Cortex ulmi pumilae weight reduce 18%;
Pulverize, powder is made in dried Cortex ulmi pumilae fragmentation, to remove robust fibre;
Sieve, powder is passed through 100 purpose sieve.
A kind of Cortex ulmi pumilae powder, particle diameter are 0.148mm.
A kind of Cortex ulmi pumilae powder vegetable gum comprises the mixing of Cortex ulmi pumilae powder and water, and the concentration of weight proportion is 5%, and wherein, the salinity scope of water is 15000mg/l.
Embodiment 3:
A kind of Cortex ulmi pumilae powder preparation method comprises the steps:
Select materials removal of contamination the Cortex ulmi pumilae of gathering from autumn;
Drying adopts the drying in the sun mode, continues airing 22 hours.Make dried Cortex ulmi pumilae weight reduce 15%;
Pulverize, powder is made in dried Cortex ulmi pumilae fragmentation, to remove robust fibre;
Sieve, powder is passed through 90 purpose sieve.
A kind of Cortex ulmi pumilae powder, particle diameter are 0.164mm.
A kind of Cortex ulmi pumilae powder vegetable gum comprises the mixing of Cortex ulmi pumilae powder and water, and the concentration of weight proportion is 4%, and wherein, the salinity scope of water is 18000mg/l.
Wild plant has the strong characteristics of Seasonal Harvest, for guaranteeing quality product, is preferably in autumn collection period, and then effective constituent is low too early, and water content is higher; Cross then effectively to form late and decompose and transfer in other organ beyond the bark.Temperature is unsuitable too high during oven dry, will keep good ventilation condition during preservation, goes mouldy preventing.The quality of product and processor efficient, time length and powder size have substantial connection.Powder is meticulous, and is then easily agglomerating; Powder is thick excessively, then can prolong swelling time, thus particle diameter to be controlled at 0.154～0.180mm be good.
The Cortex ulmi pumilae powder vegetable gum is as the application of plugging agent suspension or plugging agent transport fluid:
Contain water soluble cellulose and glycan family macromolecule in the Cortex ulmi pumilae powder vegetable gum, polymer is adsorbed on the mud shale surface by adsorption group, and porous is in microfissure, the mutual bridge joint of these polymer substances makes the Cortex ulmi pumilae powder vegetable gum can form the polymeric membrane with certain intensity, is attached on the borehole wall, these polymeric membranes are thin and tough and tensile, perviousness is extremely low, can stop free water to continue also can improve the cementing properties of mud shale on the other hand to the stratum seepage on the one hand.In addition, with stratum compatibleness fibre composition preferably, can stop up leak path in the Cortex ulmi pumilae powder vegetable gum, thereby play leak stopping and reduce the effect of filter loss.The above characteristic of Cortex ulmi pumilae powder vegetable gum makes its effect that has water blockoff and change intake profile.
Concentration is to the influence of Cortex ulmi pumilae powder vegetable gum viscosity: in the laboratory, viscosity to the Cortex ulmi pumilae powder vegetable gum of a series of concentration is measured, experimental result as shown in Figure 1, as can be seen from Figure 1, concentration increase along with the Cortex ulmi pumilae powder vegetable gum, its viscosity also strengthening gradually, in conjunction with site operation and effect analysis, is selected the concentration of 3-5% for use usually.
Salinity is to the influence of Cortex ulmi pumilae powder vegetable gum viscosity: for further checking Cortex ulmi pumilae powder vegetable gum in the suitable ability of Different Strata, water with different salinities under 30 ℃ of conditions is prepared the Cortex ulmi pumilae powder vegetable gum, and measure its viscosity, experimental result is as shown in Figure 2.As can be seen from Figure 2, the viscosity of Cortex ulmi pumilae powder vegetable gum reduces with the increase of salinity.For reaching better effects, the salinity scope is generally 15000～20000mg/l.
The stability of Cortex ulmi pumilae powder vegetable gum: in order to understand the stability of Cortex ulmi pumilae powder vegetable gum, the viscosity that we have measured Cortex ulmi pumilae powder vegetable gum under 30 ℃ of conditions over time, experimental result is as shown in Figure 3.As can see from Figure 3, prolongation in time, the viscosity of Cortex ulmi pumilae powder vegetable gum slightly descends, downtrending is comparatively mild, and plugging effect weakens slightly, illustrates that the Cortex ulmi pumilae powder vegetable gum can continue the long period at subterranean plugging effect, along with the prolongation of time, plugging effect weakens not obvious.
The application that the Cortex ulmi pumilae powder vegetable gum is starched as the preparation base of the drilling fluid of degrading automatically:
Combining with modern biotechnology is a new direction of drilling liquid technology development, so the Cortex ulmi pumilae powder vegetable gum has obtained application more and more widely in the drilling well industry.Contradiction when developing the underground fluid resource between retaining wall leak stopping and the recovery payzone perviousness in order to solve, proposed to adopt the thinking of the Cortex ulmi pumilae powder vegetable gum drilling fluid that can degrade automatically, finger adds biological enzyme in the Cortex ulmi pumilae powder vegetable gum, in ground environment, just can degrade automatically, do not need other external force factor to get involved, promptly during drilling well, Cortex ulmi pumilae powder vegetable gum drilling fluid has the performance of retaining wall leak stopping preferably, behind the drilling well end-of-job, Cortex ulmi pumilae powder vegetable gum drilling fluid can be degraded again automatically, the mobile enhancing recovers the infiltrative purpose of payzone thereby reach.
Studies show that of front, the Cortex ulmi pumilae powder vegetable gum can be used for preparing the bigger drilling fluid of viscosity setting range, therefore can make the base mateiral of degraded drilling fluid automatically with it, promptly the preparation base is starched, as long as find suitable biological enzyme, and guarantee and the concrete relevant experiment condition of formation drilling, just can reach automatic degraded and prevent the purpose of formation damage, for the exploratory development of low pressure and low permeability oil-gas field provides a kind of of great value thinking.For example, paper waste treatment agent MICROPANPAPER is a kind of bacterium and biological enzyme mixture, and it comprises biological enzymes such as multiple microorganism and cellulase, hemicellulase, proteolytic enzyme, can quicken the biodegradation rate of organic substance.The enzyme that is contained among the MICROPAN PAPER is specifically designed to, and " " long-chain of polymer substances such as Mierocrystalline cellulose and saccharan quickens the degraded of this class material in attack.
As shown in Figure 4 for the automatic viscosity reduction experimental curve diagram of biochemical treatment Cortex ulmi pumilae powder vegetable gum, as shown in Figure 5 for oozing the saturating property recovery experimental curve diagram of biochemical treatment Cortex ulmi pumilae powder vegetable gum, from Fig. 4,5 as can be seen, select the Cortex ulmi pumilae powder vegetable gum of superior performance, with biological enzyme as the salient features adjusting control agent, can make drilling fluid during creeping into, keep the performance of retaining wall leak stopping preferably, and after drilling well finishes, Cortex ulmi pumilae powder vegetable gum viscosity reduces automatically, and the perviousness of payzone is recovered.
The application that the Cortex ulmi pumilae powder vegetable gum is starched as the preparation base of low density aerated mud:
The Cortex ulmi pumilae powder vegetable gum can be compatible from the surface chemical property with whipping agent, and insoluble fibers wherein and particulate framework ingredient have also been brought into play good effect.Show that by experiment the foaming effect of Cortex ulmi pumilae powder vegetable gum and stability all can reach higher level.Therefore with can it having made the low density aerated mud.For example adopt OP (Fatty Alcohol(C12-C14 and C12-C18) or (alkylphenol) Soxylat A 25-7 series product) as whipping agent, in foaming effect that adds Cortex ulmi pumilae powder vegetable gum front and back whipping agent and stability contrast, as shown in following table.
The Cortex ulmi pumilae powder vegetable gum can make the foaming effect (lather volume) of whipping agent and stability (transformation period) all can reach higher level as can be seen from the table.
More than the application of Cortex ulmi pumilae powder provided by the present invention, Cortex ulmi pumilae powder preparation method, Cortex ulmi pumilae powder vegetable gum and Cortex ulmi pumilae powder vegetable gum is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a Cortex ulmi pumilae powder preparation method is characterized in that: comprise the steps:
Select materials removal of contamination from Cortex ulmi pumilae;
Drying adopts the mode of drying or drying, and makes dried Cortex ulmi pumilae weight reduce 12% at least;
Pulverize, powder is made in dried Cortex ulmi pumilae fragmentation.
2. Cortex ulmi pumilae powder preparation method according to claim 1 is characterized in that: after the described pulverising step, also comprise the step of sieving, powder is passed through 80～100 purpose sieve.
3. Cortex ulmi pumilae powder preparation method according to claim 1 and 2 is characterized in that: in the described drying step, the temperature that drying mode adopted is 50～60 ℃, continues 12～24 hours; Described Cortex ulmi pumilae adopts the Cortex ulmi pumilae of gathering autumn.
4. Cortex ulmi pumilae powder, it is characterized in that: particle diameter is 0.148～0.185mm.
5. Cortex ulmi pumilae powder according to claim 4 is characterized in that: described particle diameter is 0.154～0.180mm.
6. Cortex ulmi pumilae powder vegetable gum, it is characterized in that: comprise the mixing of Cortex ulmi pumilae powder and water, the concentration of weight proportion is 3-5%.
7. Cortex ulmi pumilae vegetable jelly according to claim 6 is characterized in that: the salinity scope of water is 15000～20000mg/l.
8. the Cortex ulmi pumilae powder vegetable gum is as the application of plugging agent suspension or plugging agent transport fluid.
9. the Cortex ulmi pumilae powder vegetable gum is as the application of the preparation base slurry of degraded drilling fluid automatically.
10. the Cortex ulmi pumilae powder vegetable gum is as the application of the preparation base slurry of low density aerated mud.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555297A (en) * | 2013-11-15 | 2014-02-05 | 西安石油大学 | Method for preparing environment-friendly oil field thickening agent from citrus peel and application |
| CN103924722A (en) * | 2014-04-09 | 2014-07-16 | 葛加君 | Cast-in-place ecological insulation roof construction method |
| CN103922647A (en) * | 2014-04-09 | 2014-07-16 | 葛加君 | Ecological glue for insulated roofing construction and use thereof |
| CN103924748A (en) * | 2014-04-09 | 2014-07-16 | 葛加君 | Ecological heat-insulating roof construction method |
| CN103953164A (en) * | 2014-04-09 | 2014-07-30 | 葛加君 | Manufacturing method of cast-in-situ ecological insulating roof board |
| CN106867419A (en) * | 2017-02-22 | 2017-06-20 | 李陈知 | A kind of high-performance adhesion material and preparation method thereof |
| CN111065708A (en) * | 2016-12-19 | 2020-04-24 | 沙特阿拉伯石油公司 | Ternary fiber blends based on ARC fiber ternary jujube tree waste for moderate to severe leak control |
| CN115851248A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | High-temperature-resistant high-pressure-bearing plugging agent and preparation method thereof |
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| CN1233639A (en) * | 1999-04-02 | 1999-11-03 | 孟宪昴 | Method for preparing additives and adhesive agent |
| CN1432620A (en) * | 2002-01-14 | 2003-07-30 | 中国石油化工股份有限公司 | Temporary leakage-stopping agent for well drilling shielding and its application |
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2010
- 2010-06-25 CN CN 201010209530 patent/CN101864284A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233639A (en) * | 1999-04-02 | 1999-11-03 | 孟宪昴 | Method for preparing additives and adhesive agent |
| CN1432620A (en) * | 2002-01-14 | 2003-07-30 | 中国石油化工股份有限公司 | Temporary leakage-stopping agent for well drilling shielding and its application |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555297A (en) * | 2013-11-15 | 2014-02-05 | 西安石油大学 | Method for preparing environment-friendly oil field thickening agent from citrus peel and application |
| CN103555297B (en) * | 2013-11-15 | 2015-09-23 | 西安石油大学 | Method for preparing environment-friendly oil field thickening agent from citrus peel and application |
| CN103924722A (en) * | 2014-04-09 | 2014-07-16 | 葛加君 | Cast-in-place ecological insulation roof construction method |
| CN103922647A (en) * | 2014-04-09 | 2014-07-16 | 葛加君 | Ecological glue for insulated roofing construction and use thereof |
| CN103924748A (en) * | 2014-04-09 | 2014-07-16 | 葛加君 | Ecological heat-insulating roof construction method |
| CN103953164A (en) * | 2014-04-09 | 2014-07-30 | 葛加君 | Manufacturing method of cast-in-situ ecological insulating roof board |
| CN103924748B (en) * | 2014-04-09 | 2016-01-20 | 葛加君 | A kind of ecological heat preservation roof construction method |
| CN111065708A (en) * | 2016-12-19 | 2020-04-24 | 沙特阿拉伯石油公司 | Ternary fiber blends based on ARC fiber ternary jujube tree waste for moderate to severe leak control |
| CN106867419A (en) * | 2017-02-22 | 2017-06-20 | 李陈知 | A kind of high-performance adhesion material and preparation method thereof |
| CN115851248A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | High-temperature-resistant high-pressure-bearing plugging agent and preparation method thereof |
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Application publication date: 20101020 |