CN103275683A - Oil sand-washing temporary plugging agent prepared from waste baby diapers, and preparation method and application thereof - Google Patents
Oil sand-washing temporary plugging agent prepared from waste baby diapers, and preparation method and application thereof Download PDFInfo
- Publication number
- CN103275683A CN103275683A CN2013101764855A CN201310176485A CN103275683A CN 103275683 A CN103275683 A CN 103275683A CN 2013101764855 A CN2013101764855 A CN 2013101764855A CN 201310176485 A CN201310176485 A CN 201310176485A CN 103275683 A CN103275683 A CN 103275683A
- Authority
- CN
- China
- Prior art keywords
- temporary plugging
- plugging agent
- sand washing
- waste
- oil well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Detergent Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to an oil sand-washing temporary plugging agent prepared from waste baby diapers, and a preparation method and application thereof. The oil sand-washing temporary plugging agent is prepared from waste baby diapers filler, wherein preferably, the waste baby diapers filler is polyacrylic resin. The oil sand-washing temporary plugging agent has the following advantages of low cost, and wide material source; and the obtained sand-washing temporary plugging agent is simple in construction technology, simple and convenient to operate, easy to degrade, multi-effect, environment-friendly and safe, and has excellent temporary plugging performance.
Description
Technical field
The present invention relates to oil field, specifically, the present invention relates to oil well sand washing temporary plugging agent of a kind of waste and old diaper preparation and its preparation method and application.
Background technology
There are 345 families in China paper diaper (pad or sheet) in 2008 manufacturing enterprise, and the output of paper diaper (pad or sheet) reaches 104.9 hundred million, (the false proof report 2010.07P27 of China).According to statistics, in the U.S., average per minute has about 3.8 ten thousand " diapers " with mistake to be dropped." diaper " become the third-largest rubbish source that is only second to newspaper and food-drink packing.Diaper material (super absorbent resin) in the market mostly can't biological degradation, according to present landfill disposal mode, century-old could rotting on the needs, a baby is at 3600 wet diapers of oneself preceding to " crouching toilet " average needs of association, under the historical conditions of the high natality of China baby now, it is well imagined the huge pollution that environment brings.The making raw material of diaper mainly is petroleum products, and the external chemical process that adopts is extracted methane or plastics more from diaper now, from the energy consumption angle, can bring secondary pollution to environment.Therefore how utilizing waste and old diaper, it is turned waste into wealth, reduce environmental pollution, is a problem that is worth research.
Being used for the super absorbent resin of diaper, is a kind of novel functional high molecule material, can absorb sole mass tens to pure water or the salt solution of hundred times, has water-intake rate height, characteristics that water retention capacity is strong.In aspect extensive application such as agricultural, desertification control and soil conservation, medicine, living-hygienic articles for use.
But above-mentioned research is not all mentioned product stifled temporarily for sand washing.
In order better to reduce environmental pollution, more effective diaper is utilized, special the present invention proposed.
Summary of the invention
One object of the present invention is to provide the application of a kind of waste and old diaper in oil well sand washing is stifled temporarily, to take full advantage of discarded diaper, reduces environmental pollution, and obtains the better sand washing temporary plugging agent of a kind of performance;
Another object of the present invention is to provide the oil well sand washing temporary plugging agent of described waste and old diaper preparation;
A further object of the present invention is to provide the preparation method of described oil well sand washing temporary plugging agent.
For reaching above-mentioned purpose, on the one hand, the invention provides the application of a kind of waste and old diaper in oil well sand washing is stifled temporarily.
Described diaper is existing commercially available conventional diaper, and weighting material wherein is polyacrylic resin usually;
Wherein more preferably the weighting material of waste and old diaper of the present invention is sodium polyacrylate.
Waste and old diaper of the present invention should be understood to used diaper or owing to pollute, expired or other reasons causes the diaper that can not use according to existing conventional diaper purposes or because any former thereby diaper of abandoning.
On the other hand, the present invention also provides the oil well sand washing temporary plugging agent of described waste and old diaper preparation, and described oil well sand washing temporary plugging agent is prepared from by waste and old diaper weighting material.
According to oil well sand washing temporary plugging agent of the present invention, described diaper is existing commercially available conventional diaper, and weighting material wherein is polyacrylic resin usually.
Prior art sand washing temporary plugging agent has adopted the particle temporary plugging agent, might pollute the stratum; Costs such as thickening suspension agent and foam suspension agent are higher.The present invention uses discarded diaper, can greatly reduce product cost reaching under the effect same prerequisite.
The present invention finds by a large amount of experiments, and the diaper weighting material is because of environmental protection requirement at present, generally when big water gaging, can be biodegradable into small molecules in 3-5 days and do not have the obstruction function, and be good temporary plugging agent.
According to oil well sand washing temporary plugging agent of the present invention, described waste and old diaper weighting material is particulate state;
According to oil well sand washing temporary plugging agent of the present invention, wherein preferred described particle diameter is 20 orders～5 orders.
According to oil well sand washing temporary plugging agent of the present invention, described particle outside surface coats the industrial paraffin layer;
The present invention can control the time that filler particle plays a role by coat the industrial paraffin layer outside waste and old diaper filler particle, better to reach construction effect.
According to oil well sand washing temporary plugging agent of the present invention, described industrial paraffin is preferably industrial paraffin 52～No. 58;
According to oil well sand washing temporary plugging agent of the present invention, wherein the preferred industrial paraffin layer thickness that coats is 0.1-1mm.
Sand washing temporary plugging agent of the present invention is sneaked in the sand cleaning fluid, and the sodium polyacrylate that coats paraffin can not change in pit shaft, if formation leakage, sand washing temporary plugging agent particle will be squeezed into the stratum, break, thus water-swelling, with the temporary transient shutoff of weak zone.The HPAM that sneaks in the sand washing temporary plugging agent meets the quick dissolving of water and makes the sand cleaning fluid thickening, significantly improves prop-carrying capacity.The absorption well sand flushing operation is finished in the multiple-effect unification, and the temporary plugging agent in the stratum can be degraded voluntarily, can not produce the secondary blocking pollution to the stratum.
According to oil well sand washing temporary plugging agent of the present invention, the preparation method of described oil well sand washing temporary plugging agent comprises the steps:
(1) takes out waste and old diaper weighting material, dry; Cross 20 mesh sieves, 20 mesh sieves are above standby;
(2) the industrial paraffin heating is melt into liquid state, perhaps forms the industrial paraffin layer on the weighting material that dries with evenly being sprayed at after the solvent oil dissolving, dry;
(3) adding weight is the weight ratio hydrolysis degree 15-20% of diaper weighting material weight 1-2%, and molecular weight is the anion-polyacrylamide (HPAM) of 1500-2500 ten thousand, stirs, and namely gets described oil well sand washing temporary plugging agent finished product; Wherein said anion type polyacrylamide hydrolysis degree is that 15-20%, molecular weight are 1500-2500 ten thousand.
Wherein further preferred adding weight is the weight ratio hydrolysis degree 18% of diaper weighting material weight 1.5%, and molecular weight is 2,000 ten thousand anion-polyacrylamide HPAM.
According to oil well sand washing temporary plugging agent of the present invention, the described solvent oil of step (2) is the conventional reagent in this area, adopt the conventional solvent oil that can dissolve industrial paraffin that uses in this area namely to can be used for the present invention, and the facility in order to process, can adopt the low reagent of volatilization point in the conventional reagent in this area, wherein further preferably adopt high boiling point reagent, those skilled in the art can select rational conventional reagent to be applied to the present invention according to the common prior art knowledge of self grasping, and for example can be tasteless kerosene, No. 120 gasoline, the mixing of one or more in ether and the benzene.
Described tasteless kerosene, No. 120 gasoline, ether and benzene are the conventional reagent in this area, anyly commercially availablely meet the tasteless kerosene of respective quality standard, No. 120 gasoline, ether and benzene all can be used for the present invention.
For example, tasteless kerosene of the present invention is also referred to as rocket engine fuel No. 3.
According to oil well sand washing temporary plugging agent of the present invention, step (2) is mixed with solution with industrial paraffin with the high boiling point solvent oil dissolving, to be sprayed on the weighting material, the strength of solution of preparing is so that even spraying is advisable, and the solution quality concentration that the present invention preferably prepares is 20-50%.
According to oil well sand washing temporary plugging agent of the present invention, wherein the industrial paraffin consumption is with after being sprayed into weighting material, the industrial paraffin layer thickness that the filler particle outside surface coats is that 0.1-1mm is as the criterion, and the preferred industrial paraffin of the present invention is 1:5～10 with the weighting material weight ratio of drying.
On the one hand, the present invention also provides the preparation method of described oil well sand washing temporary plugging agent again, and described method comprises the steps:
(1) takes out waste and old diaper weighting material, dry; Cross 20 mesh sieves, standby on 20 mesh sieves;
(2) the industrial paraffin heating is melt into liquid state, perhaps forms the industrial paraffin layer on the weighting material that dries with evenly being sprayed at after the solvent oil dissolving, dry;
(3) adding weight is the weight ratio hydrolysis degree 15-20% of diaper weighting material weight 1-2%, and molecular weight is the anion-polyacrylamide HPAM of 1500-2500 ten thousand, stirs, and namely gets described oil well sand washing temporary plugging agent finished product; Wherein said anion type polyacrylamide hydrolysis degree is that 15-20%, molecular weight are 1500-2500 ten thousand.
Wherein further preferred adding weight is the weight ratio hydrolysis degree 18% of diaper weighting material weight 1.5%, and molecular weight is 2,000 ten thousand anion-polyacrylamide HPAM.
In sum, the invention provides a kind of oil well sand washing temporary plugging agent and its preparation method and application of waste and old diaper preparation.Of the present invention have a following advantage:
1, cost is low, and raw material sources are wide;
2, gained sand washing temporary plugging agent construction technology is simple, easy and simple to handle;
3, be easy to degraded, have good temporarily stifled performance;
4, multiple-effect unification, Environmental Safety.
Description of drawings
Fig. 1 is the oil well sand washing temporary plugging agent particle of embodiment 1, and wherein 1 is that diaper filler particle, 2 is the industrial paraffin layer.
Embodiment
Below describe the beneficial effect of implementation process of the present invention and generation in detail by specific embodiment, be intended to help the reader to understand essence of the present invention and characteristics better, but not as the restriction to this case practical range.
Embodiment 1
1, reclaim waste and old diaper, the fabric of the waste and old diaper of strip off outside takes out weighting material (high-hydroscopicity polyacrylic acid resinoid), dries, and crosses 20 mesh sieves, and is standby on 20 mesh sieves.
2, No. 58 industrial paraffin is dissolved in to be mixed with mass concentration in the tasteless kerosene (No. 3 rocket engine fuels) be 40% solution, evenly be sprayed at and form the industrial paraffin layer on the weighting material that dries, dry the formation discrete particles, as shown in Figure 1, the industrial paraffin layer thickness of coating is 0.1-1mm; Industrial paraffin is 1:8 with the weighting material weight ratio of drying;
3, by 1.5% weight ratio hydrolysis degree 18%, molecular weight is 2,000 ten thousand HPAM, gets product.
4, at joyous western oil field well, because of formation leakage, repeatedly sand washing all do not arrive desired result, so use this sand washing technology.
5, get this product 500KG, sneak in 50 side's clear water sand cleaning fluids, sand cleaning fluid entered the stratum 5 minutes, namely produced pressure, and the oil jacket annular space is seen upward sand return sample after 9 minutes, went out floating sand 1.3 sides altogether.
6, the following pump ordinary production that drives a well after the sand washing, day production fluid 21 sides, day 3 tons of produce oils, but pump detection period extended to 63 days from 15 days, saw obvious effects.
Claims (7)
1. the application of waste and old diaper in oil well sand washing is stifled temporarily; The weighting material of preferred waste and old diaper is polyacrylic resin.
2. the oil well sand washing temporary plugging agent of a waste and old diaper preparation is characterized in that described oil well sand washing temporary plugging agent is prepared from by waste and old diaper weighting material; The weighting material of preferred waste and old diaper is polyacrylic resin.
3. oil well sand washing temporary plugging agent according to claim 2 is characterized in that, described waste and old diaper weighting material is particulate state; Preferred described particle diameter is more than 20 orders, is preferably the 20-5 order.
4. oil well sand washing temporary plugging agent according to claim 3 is characterized in that, described particle outside surface coats the industrial paraffin layer; Described industrial paraffin is preferably industrial paraffin 52～No. 58; The preferred industrial paraffin layer thickness that coats is 0.1-1mm.
5. oil well sand washing temporary plugging agent according to claim 4 is characterized in that, the preparation method of described oil well sand washing temporary plugging agent comprises the steps:
(1) takes out waste and old diaper weighting material, dry; Cross 20 mesh sieves, 20 mesh sieves are above standby;
(2) the industrial paraffin heating is melt into liquid state, perhaps forms the industrial paraffin layer on the weighting material that dries with evenly being sprayed at after the solvent oil dissolving, dry;
(3) adding weight is the anion-polyacrylamide of diaper weighting material weight 1-2%, stirs, and namely gets described oil well sand washing temporary plugging agent; Wherein said anion type polyacrylamide hydrolysis degree is that 15-20%, molecular weight are 1500-2500 ten thousand.
6. oil well sand washing temporary plugging agent according to claim 5 is characterized in that, the described solvent oil of step (2) is one or more the mixing in tasteless kerosene, No. 120 gasoline, ether and the benzene.
7. the preparation method of any described oil well sand washing temporary plugging agent of claim 4～6 is characterized in that, described method comprises the steps:
(1) takes out waste and old diaper weighting material, dry;
(2) the industrial paraffin heating is melt into liquid state, perhaps forms the industrial paraffin layer on the weighting material that dries with evenly being sprayed at after the solvent oil dissolving, dry;
(3) adding weight is the anion-polyacrylamide of diaper weighting material weight 1-2%, stirs, and namely gets described oil well sand washing temporary plugging agent; Wherein said anion type polyacrylamide hydrolysis degree is that 15-20%, molecular weight are 1500-2500 ten thousand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310176485.5A CN103275683B (en) | 2013-05-14 | 2013-05-14 | Oil well sand washing temporary plugging agent prepared by waste and old diaper and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310176485.5A CN103275683B (en) | 2013-05-14 | 2013-05-14 | Oil well sand washing temporary plugging agent prepared by waste and old diaper and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103275683A true CN103275683A (en) | 2013-09-04 |
| CN103275683B CN103275683B (en) | 2016-06-08 |
Family
ID=49058313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310176485.5A Active CN103275683B (en) | 2013-05-14 | 2013-05-14 | Oil well sand washing temporary plugging agent prepared by waste and old diaper and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103275683B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084983A (en) * | 2017-11-28 | 2018-05-29 | 中国石油大学(华东) | A kind of diverting agent and preparation method thereof |
| CN109551626A (en) * | 2018-10-16 | 2019-04-02 | 中国石油天然气股份有限公司 | Liquid and preparation are temporarily blocked up in the sand washing diverting agent particle of waste and old ultralight clay preparation, sand washing |
| CN109913191A (en) * | 2017-12-12 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of water base micro-capsule sand washing composition of high sulfur gas wells, the water base micro-capsule sand cleaning fluid of high sulfur gas wells |
| CN110305644A (en) * | 2019-07-02 | 2019-10-08 | 西南石油大学 | A kind of drop misses the preparation and its application of flexible micelle flushing fluid |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060122071A1 (en) * | 2004-12-08 | 2006-06-08 | Hallbiurton Energy Services, Inc. | Oilwell sealant compositions comprising alkali swellable latex |
| CN101220171A (en) * | 2008-01-30 | 2008-07-16 | 济南大学 | Method for processing polymer water uptake expansion resin |
-
2013
- 2013-05-14 CN CN201310176485.5A patent/CN103275683B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060122071A1 (en) * | 2004-12-08 | 2006-06-08 | Hallbiurton Energy Services, Inc. | Oilwell sealant compositions comprising alkali swellable latex |
| CN101220171A (en) * | 2008-01-30 | 2008-07-16 | 济南大学 | Method for processing polymer water uptake expansion resin |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084983A (en) * | 2017-11-28 | 2018-05-29 | 中国石油大学(华东) | A kind of diverting agent and preparation method thereof |
| CN108084983B (en) * | 2017-11-28 | 2020-10-23 | 中国石油大学(华东) | Temporary plugging agent and preparation method thereof |
| CN109913191A (en) * | 2017-12-12 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of water base micro-capsule sand washing composition of high sulfur gas wells, the water base micro-capsule sand cleaning fluid of high sulfur gas wells |
| CN109913191B (en) * | 2017-12-12 | 2021-09-07 | 中国石油化工股份有限公司 | High-acidity gas well water-based microcapsule sand washing composition and high-acidity gas well water-based microcapsule sand washing liquid |
| CN109551626A (en) * | 2018-10-16 | 2019-04-02 | 中国石油天然气股份有限公司 | Liquid and preparation are temporarily blocked up in the sand washing diverting agent particle of waste and old ultralight clay preparation, sand washing |
| CN110305644A (en) * | 2019-07-02 | 2019-10-08 | 西南石油大学 | A kind of drop misses the preparation and its application of flexible micelle flushing fluid |
| CN110305644B (en) * | 2019-07-02 | 2021-12-21 | 西南石油大学 | Preparation and application of leakage-reducing flexible colloidal particle well-flushing fluid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103275683B (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103275683B (en) | Oil well sand washing temporary plugging agent prepared by waste and old diaper and its preparation method and application | |
| CN103554936B (en) | A kind of pitch-mineral composite utilizing thick oil sludge to prepare and preparation method thereof | |
| CN109748528A (en) | A kind of regenerated aggregate hardening agent and enhanced processing method | |
| CN203558931U (en) | Recycling device for waste oil base drilling fluid | |
| CN103074070A (en) | Earth pressure balance shield slurry conditioner and preparation method thereof | |
| CN104403058A (en) | Latex plugging agent for drilling fluid and preparation method thereof | |
| CN102746837A (en) | Microsphere temporary plugging agent for leakage oil well | |
| CN109928591A (en) | Sludge solidifying agent and method for sludge treatment based on changing rejected material to useful resource | |
| CN107558955B (en) | A kind of method of oil well microbial composite blockage relieving | |
| CN103708705A (en) | Silt curing agent and production method thereof | |
| CN203319921U (en) | Oil well sand washing temporary plugging agent granule prepared from waste diapers | |
| CN101053799A (en) | Preparation of demulsifying agent for processing mud and sand containing oil and its processing method | |
| Abulimiti et al. | Bentonite could be an eco-friendly windbreak and sand-fixing material | |
| Estabragh et al. | Strength of a clay soil and soil–cement mixture with resin | |
| Bao et al. | Microscopic characterization and mesoscopic simulation of the interaction between chemically grafted copolymer and coal dust in an open-pit coal mining environment | |
| CN101733197A (en) | Method for separating radioactive substances from phosphogypsum waste residues | |
| Wu et al. | Effect of freeze–thaw–vacuum pretreatment modes on the performance of sludge reduction | |
| CN105316051A (en) | Compound modified water coal slurry additive prepared from landfill leachate raw material and preparation method | |
| CN102849917A (en) | Continuous on-line filter bag type dehydration method for dredging sludge in lakes and rivers | |
| CN204342579U (en) | A kind of environment protection sewage slurry tank | |
| CN105692845A (en) | Preparing technology for shaddock peel natural coagulants | |
| CN202390861U (en) | Earthwork liner suitable for mineral environment containing multivalent cations | |
| CN106430358A (en) | Composite efficient wastewater treating agent and preparing method thereof | |
| CN106398794A (en) | Preparation method of green new energy resource material | |
| Zhou et al. | Research on the harmless and recycling treatment technology of drilling waste mud based on changqing oilfield |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |