CN103773332A - Drilling fluid and preparation method thereof - Google Patents
Drilling fluid and preparation method thereof Download PDFInfo
- Publication number
- CN103773332A CN103773332A CN201210408288.7A CN201210408288A CN103773332A CN 103773332 A CN103773332 A CN 103773332A CN 201210408288 A CN201210408288 A CN 201210408288A CN 103773332 A CN103773332 A CN 103773332A
- Authority
- CN
- China
- Prior art keywords
- drilling fluid
- polyamine polymer
- epoxy
- diamines
- cyclic ethers
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/22—Synthetic organic compounds
- C09K8/24—Polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Epoxy Resins (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a drilling fluid and a preparation method thereof. The drilling fluid comprises, by weight, 2.0 to 6.0 parts of bentonite, 0.1 to 1 part of sodium carboxymethylcellulose, 0.2 to 0.8 part of a zwitter-ion sulphonate copolymer, 0.03 to 0.4 part of sodium hydroxide, 0.1 to 0.8 of a polyamine polymer, and 100 parts of water; the polyamine polymer is a polymer of terminal diamine, a cyclic ether, and an epoxy alkyl halide. The preparation method comprises following steps: the polyamine polymer is prepared firstly, wherein the polyamine polymer is prepared via copolymerization of terminal diamine, the cyclic ether, and the epoxy alkyl halide; and then an aqueous solution containing bentonite, sodium carboxymethylcellulose, the zwitter-ion sulphonate copolymer, sodium hydroxide, the polyamine polymer, and water is prepared according to the stoichiometric ratio so as to obtain the drilling fluid. The drilling fluid is excellent in system inhibition performance and collapse resistance, and contains no sylvite, so that subsequent processing on high salt content is unnecessary.
Description
Technical field
The present invention relates to a kind of drilling fluid and preparation method thereof, relate in particular to a kind of strong rejection capability polymer drilling fluid and its preparation method and application.
Background technology
In drilling engineering, the stratum of meeting 75% be mud shale layer, approximately 90% borehole instability problems occurs in mud shale well section.The application of the drilling fluid that contains potassium ion makes the dispersion pulping of mud shale obtain good control, and the submicron particle in drilling fluid and solid load inferior reduce greatly, have increased substantially rate of penetration.But along with the continuous application of technology, also cruelly spill some shortcomings, to suppress ability, anti sloughing effectiveness limited as drilling fluid, also solving aspect the dispersion pulping of mud shale stratum and the borehole wall water suction destabilization problems shortcoming to some extent.Therefore it is particularly important that, research and development have the drilling fluid system of strong rejection capability.
Be used alone as after shale control agent continue potassium ion, developed polymkeric substance/KCl system abroad, but this type of high salt drilling fluid system causes certain injury to environment, must treated could discharge.In addition, the quality of shale inhibition energy depends on the working concentration of inorganic electrolyte KCl to a great extent, and working concentration is higher, and effect is better, but along with the raising of KCl concentration will cause subsequent disposal more difficult.The poly-sulphur caving-preventing drilling fluid rejection of the existing domestic KCl generally using, caving-preventing characteristic are limited, have the defects such as piece is serious running into mudstone stratum.
CN10149424A discloses a kind of di-kalium ion-polymer drilling fluid with strong rejection capability, and described di-kalium ion-polymer drilling fluid with strong rejection capability comprises the inorganic potassium salt 7%-9% of the material of following weight per-cent: A. as inorganic inhibitor; B. as the potassium salt 0.5%-0.6% of organic inhibitor; C. carry stick 0.3%-0.5%; D. fluid loss agent 0.3%-0.5%; E. alkalinity control agent 0.3%-0.5%; F. sanitas 0.03%-0.1%; G defoamer 0.1%-0.2%; H. weighting agent 1%-8%; Surplus is water.Not only inorganic potassium salt content is higher for this drilling fluid system, has the problem of subsequent disposal, and exists the deficiencies such as rejection in actual application, caving-preventing characteristic be limited.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of drilling fluid and preparation method thereof.This drilling fluid rejection and caving-preventing characteristic are good, do not contain sylvite, after use without subsequent disposal.
A kind of drilling fluid, meter by weight, the wilkinite that contains 2.0-6.0 part, 0.1-1 part Xylo-Mucine, 0.2-0.8 part amphoteric sulfonated copolymer, 0.03-0.4 part sodium hydroxide, 0.1-0.8 part polyamine polymer, 100 parts of water; Described polyamine polymer is the polymkeric substance of end diamines, cyclic ethers and epoxy haloalkane; Preferably contain the wilkinite of 3.0-5.0 part, 0.3-0.7 part Xylo-Mucine, 0.2-0.6 part amphoteric sulfonated copolymer, 0.05-0.2 part sodium hydroxide, 0.1-0.5 part polyamine polymer.
The kinematic viscosity of the polyamine polymer described in the present invention is 300 mm
2/ s-2000 mm
2/ s, cationic degree 0.75 mmol/g-3.6 mmol/g; Be preferably kinematic viscosity 500 mm
2/ s-1300 mm
2/ s, cationic degree 1.0 mmol/g-3.0 mmol/g.
A preparation method for drilling fluid, first prepares polyamine polymer, makes to hold diamines, cyclic ethers and epoxy haloalkane to carry out copolyreaction and generates polyamine polymer; Then make drilling fluid than preparation containing the aqueous solution of wilkinite, Xylo-Mucine, amphoteric sulfonated copolymer, sodium hydroxide, polyamine polymer by metering.
End diamines described in the inventive method, cyclic ethers and the copolyreaction of epoxy haloalkane are as follows: first under stirring and 50-120 ℃ of condition, in end diamines, drip cyclic ethers, the mol ratio of cyclic ethers and end diamines is 0.5-4:1, drips and finishes rear reaction 1-4h; Then temperature is risen to 80-150 ℃, under agitation condition, drip epoxy haloalkane, the mol ratio of epoxy haloalkane and end diamines is 0.1-1:1, dropping finishes rear reaction 1-4h, add terminator, the mol ratio of terminator and end diamines is 0.5-2:1, continues reaction 1-4h, obtains cationic polyamine base polymer sample.
The inventive method middle-end diamines is quadrol, propylene diamine, butanediamine, pentamethylene diamine, hexanediamine etc.Cyclic ethers is propylene oxide, butylene oxide ring etc.Epoxy haloalkane is epoxy chloropropane, epoxy bromopropane, epoxy chlorobutane etc.Terminator is hydrochloric acid, sulfuric acid, nitric acid, Glacial acetic acid, citric acid, formic acid, acetic acid etc.
Field application test result shows: compared with the existing drilling fluid of generally applying, drilling fluid system of the present invention can effectively suppress aquation, dispersion and the expansion of mud shale, the serious problems that suppress the drilling process such as pulping and borehole wall water suction unstability of soil inferior, have the good effect that prevents slump in.In addition, drilling fluid system lifeless matter toxicity of the present invention, meets environmental requirement.
Embodiment
Illustrate effect and the effect of the inventive method below in conjunction with embodiment, but following examples do not form the restriction to the inventive method.
In the present invention, wilkinite is purchased from Shandong Shang Bujinxin wilkinite factory, and the screen over-size of 75 μ m sieves is less than 4%; Low sticky Xylo-Mucine is purchased from Shandong Dongying Shengli Oil Field Sheng great Mierocrystalline cellulose factory, is white powder particulate state, and its pH value is that 7.3, DS value is 0.87, and purity 89.2% is moisture 8.3%, and the viscosity in fresh water is 25cP, and its saturated brine filter loss is 6.7; Amphoteric sulfonated copolymer derives from Zhongyuan Oil Field drilling engineering Institute for Research and Technology, code name CPS-2000, for the polymkeric substance of acrylamide, vinylformic acid, 2-acryloyl-oxy-2-methyl propane sulfonic acid, acrylamido propyl-dimethyl ammonium chloride, 25 ℃ of apparent viscosity of its 1% aqueous solution are 10.0 mPas.
Embodiment 1
Polyamine polymer is butanediamine, butylene oxide ring and the reacted product of epoxy chlorobutane, preparation method for dripping butylene oxide ring under stirring and 100 ℃ of conditions in butanediamine, reaction 1h, then temperature is risen to 140 ℃, under agitation condition, drip epoxy chlorobutane, reaction 1h adds formic acid, continues reaction 1h, obtains cationic polyamine base polymer sample.Controlling butanediamine, butylene oxide ring, epoxy chlorobutane and formic acid molar ratio is 1:4:0.4:0.8, and its kinematic viscosity is 456.4mm
2/ s, cationic degree is 0.906mmol/g.The concrete massfraction of each component is in table 3.
Table 3 Strong Inhibitive Drilling Fluids formula
| ? | Component | Parts by weight |
| 1 | Wilkinite | 5 |
| 2 | Low sticky Xylo-Mucine | 0.7 |
| 3 | Amphoteric sulfonated copolymer | 0.6 |
| 4 | Sodium hydroxide | 0.2 |
| 5 | Polyamine polymer | 0.5 |
| 6 | Water | 100 |
Embodiment 2
Polyamine polymer is the reacted product of pentamethylene diamine, propylene oxide and epoxy bromopropane, preparation method for dripping propylene oxide under stirring and 80 ℃ of conditions in pentamethylene diamine, reaction 4h, then temperature is risen to 98 ℃, under agitation condition, drip epoxy bromopropane, reaction 3h adds Glacial acetic acid, continues reaction 2h, obtains cationic polyamine base polymer sample.Controlling pentamethylene diamine, propylene oxide, epoxy bromopropane and Glacial acetic acid molar ratio is 1:2:0.5:1.0, and its kinematic viscosity is 857.3 mm
2/ s, cationic degree is 1.568mmol/g.The concrete massfraction of each component is in table 2.
Table 2 drilling fluid composition
| ? | Component | Parts by weight |
| 1 | Wilkinite | 4 |
| 2 | Low sticky Xylo-Mucine | 0.5 |
| 3 | Amphoteric sulfonated copolymer | 0.4 |
| 4 | Sodium hydroxide | 0.15 |
| 5 | Polyamine polymer | 0.3 |
| 6 | Water | 100 |
Embodiment 3
Polyamine polymer is the product after diamines, propylene oxide and epichlorohydrin reaction, preparation method is to dripping propylene oxide in diamines under stirring and 60 ℃ of conditions, reaction 4h, then temperature is risen to 90 ℃, under agitation condition, drip epoxy chloropropane, reaction 4h adds hydrochloric acid, continues reaction 4h, obtains cationic polyamine base polymer sample.Controlling diamines, propylene oxide, epoxy chloropropane and hydrochloric acid molar ratio is 1:0.8:0.7:2.0.The kinematic viscosity of the polyamine polymer making is 1203.3 mm
2/ s, cationic degree is 2.986mmol/g.In drilling fluid, the concrete massfraction of each component is in table 1.
Table 1 drilling fluid composition
| ? | Component | Parts by weight |
| 1 | Wilkinite | 3 |
| 2 | Low sticky Xylo-Mucine | 0.3 |
| 3 | Amphoteric sulfonated copolymer | 0.2 |
| 4 | Sodium hydroxide | 0.05 |
| 5 | Polyamine polymer | 0.1 |
| 6 | Water | 100 |
Field application test result: the drilling fluid that embodiment 1-3 is prepared, in the northern white 44 one band wells of the Pu of Crude Oil Tiandong County depression Baimiao structure main body, carry out rig-site utilization, institute's drilling well deeply all exceedes more than 4,000 meter, property of drilling fluid (apparent viscosity, plastic viscosity, yield value, first egress, filter loss, pH value etc.) is stable, all there is no large variation; The strong rejection capability of system has effectively suppressed the aquation of mud shale drilling cuttings and has disperseed pulping, falls piece few, without collapsing, does not have down hole problem to occur; Orientation and compound drilling are all normal, make a trip unimpeded, are drilled into smoothly more than 4,000 meter of well depth.Drifting process is without blocked portion phenomenon, and drilling tool is carried once success of electrical measurement, and running casing and well cementing operation are smooth.
Comparative example 1
Wellbore fluid is the poly-sulphur caving-preventing drilling fluid of KCl, composing system is that part sodium hydroxide+0.5,4 parts of wilkinite+0.2 part FA-367+6 part KCl+4 part SPNH+5 part SMP+100 divides water, wherein FA-367 purchases from Zhengzhou Yu Hua auxiliary agent company limited, apparent viscosity >=30.0, cation ionization degree >=10%; SPNH purchases from Pingxiang City Bo Xin Industrial Co., Ltd., is micro-reddish black powder or particle, soluble in water, and the aqueous solution is alkalescence; SMP purchases from Henan Golden Horse petroleum science and technology limited liability company, is free flowing powder, its apparent viscosity≤50.0mPas, high temperature and high pre ssure filtration≤35.0mL.
Comparative example is 4038m in the drilling well of the northern white 44 Bai-Ping 2HF well rig-site utilization time institutes of the Pu of Crude Oil Tiandong County depression Baimiao structure main body deeply, and in drilling process, borehole wall stability is poor, and the piece that collapses is serious.Occur complexcase creeping into well depth 3987m,, there is the card of chance in time, suppresses pump phenomenon, carries on successively to 210t, 170T, 180T and carrying out.After unfreezing, in working cycle, have little fall piece return out, while pushing away with the thick slurry of drip, there is no and large fall piece out.Well depth 4038m, because of down-hole complexity, trip-out simplified construction, lower tooth-wheel bit drifting, under get into behind the end and return out and fall in a large number piece, suppress anti sloughing effectiveness limited.
Claims (10)
1. a drilling fluid, is characterized in that: meter by weight, the wilkinite that contains 2.0-6.0 part, 0.1-1 part Xylo-Mucine, 0.2-0.8 part amphoteric sulfonated copolymer, 0.03-0.4 part sodium hydroxide, 0.1-0.8 part polyamine polymer, 100 parts of water; Described polyamine polymer is the polymkeric substance of end diamines, cyclic ethers and epoxy haloalkane.
2. drilling fluid according to claim 1, is characterized in that: meter by weight, the wilkinite that contains 3.0-5.0 part, 0.3-0.7 part Xylo-Mucine, 0.2-0.6 part amphoteric sulfonated copolymer, 0.05-0.2 part sodium hydroxide, 0.1-0.5 part polyamine polymer.
3. drilling fluid according to claim 1 and 2, is characterized in that: the kinematic viscosity of described polyamine polymer is 300 mm
2/ s-2000 mm
2/ s, cationic degree is 0.75 mmol/g-3.6 mmol/g.
4. drilling fluid according to claim 1 and 2, is characterized in that: described polyamine polymer kinematic viscosity is 500 mm
2/ s-1300 mm
2/ s, cationic degree is 1.0 mmol/g-3.0 mmol/g.
5. the preparation method of drilling fluid described in claim 1, is characterized in that: first prepare polyamine polymer, make to hold diamines, cyclic ethers and epoxy haloalkane to carry out copolyreaction and generate polyamine polymer; Then make drilling fluid than preparation containing the aqueous solution of wilkinite, Xylo-Mucine, amphoteric sulfonated copolymer, sodium hydroxide, polyamine polymer by metering.
6. method according to claim 5, it is characterized in that: described end diamines, cyclic ethers and the copolyreaction of epoxy haloalkane are as follows: first under stirring and 50-120 ℃ of condition, in end diamines, drip cyclic ethers, the mol ratio of cyclic ethers and end diamines is 0.5-4:1, drips and finishes rear reaction 1-4h; Then temperature is risen to 80-150 ℃, under agitation condition, drip epoxy haloalkane, the mol ratio of epoxy haloalkane and end diamines is 0.1-1:1, dropping finishes rear reaction 1-4h, add terminator, the mol ratio of terminator and end diamines is 0.5-2:1, continues reaction 1-4h, obtains cationic polyamine base polymer sample.
7. method according to claim 5, is characterized in that: end diamines is quadrol, propylene diamine, butanediamine, pentamethylene diamine or hexanediamine.
8. method according to claim 5, is characterized in that: cyclic ethers is propylene oxide or butylene oxide ring.
9. method according to claim 5, is characterized in that: epoxy haloalkane is epoxy chloropropane, epoxy bromopropane or epoxy chlorobutane.
10. method according to claim 5, is characterized in that: terminator is hydrochloric acid, sulfuric acid, nitric acid, Glacial acetic acid, citric acid, formic acid or acetic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408288.7A CN103773332B (en) | 2012-10-24 | 2012-10-24 | A kind of drilling fluid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408288.7A CN103773332B (en) | 2012-10-24 | 2012-10-24 | A kind of drilling fluid and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103773332A true CN103773332A (en) | 2014-05-07 |
| CN103773332B CN103773332B (en) | 2016-08-17 |
Family
ID=50566107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210408288.7A Active CN103773332B (en) | 2012-10-24 | 2012-10-24 | A kind of drilling fluid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103773332B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713581A (en) * | 2014-12-04 | 2016-06-29 | 中国石油化工股份有限公司 | Solid-phase-free strongly-inhibitive drilling fluid with strong plugging effect and preparation method thereof |
| CN106608944A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Temperature-resistant thickening agent copolymerization association compound and preparation method thereof |
| CN106609129A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Copolymerization and association complex used as tackifier and preparation method thereof |
| CN106608973A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Method for preparing tackifier copolymerization associate |
| CN106608975A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Grafted starch thickening agent copolymerization association compound and preparation method thereof |
| CN106608972A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Preparation method of thickening agent copolymerization association compound |
| CN106608974A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Tackifier copolymerization associate used for drilling fluid and preparation method of tackifier copolymerization associate |
| CN106608945A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Copolymerization association compound, preparation method and applications thereof, and drilling fluid |
| CN106608976A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Starch-containing thickening agent copolymerization association compound and preparation method thereof |
| CN116003079A (en) * | 2022-09-15 | 2023-04-25 | 江门市俞嘉科技有限公司 | Method for producing autoclaved concrete slab by using magnesium ore slag |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029708A (en) * | 1975-02-10 | 1977-06-14 | Nalco Chemical Company | Linear surfactant polymers formed from substituted amines and difunctional reactants |
| CN1955122A (en) * | 2005-10-26 | 2007-05-02 | 中国石油化工股份有限公司 | Method for treating oil-containing waste water |
| CN101747876A (en) * | 2008-12-16 | 2010-06-23 | 西部钻探克拉玛依钻井工艺研究院 | Potassium carbonate polyamine drilling fluid |
| CN102002349A (en) * | 2010-11-12 | 2011-04-06 | 中国海洋石油总公司 | Seawater-based polyamine well completion fluid and preparation method thereof |
| CN102250595A (en) * | 2011-05-19 | 2011-11-23 | 中国石油天然气集团公司 | Drilling fluid used for active mud shale drilling |
| CN102391842A (en) * | 2011-09-28 | 2012-03-28 | 中国石油化工集团公司 | Polyamine drilling fluid |
| CN102424746A (en) * | 2011-09-28 | 2012-04-25 | 中国石油化工集团公司 | Strongly inhibitory solid-free polyamine-formate drilling fluid system |
-
2012
- 2012-10-24 CN CN201210408288.7A patent/CN103773332B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029708A (en) * | 1975-02-10 | 1977-06-14 | Nalco Chemical Company | Linear surfactant polymers formed from substituted amines and difunctional reactants |
| CN1955122A (en) * | 2005-10-26 | 2007-05-02 | 中国石油化工股份有限公司 | Method for treating oil-containing waste water |
| CN101747876A (en) * | 2008-12-16 | 2010-06-23 | 西部钻探克拉玛依钻井工艺研究院 | Potassium carbonate polyamine drilling fluid |
| CN102002349A (en) * | 2010-11-12 | 2011-04-06 | 中国海洋石油总公司 | Seawater-based polyamine well completion fluid and preparation method thereof |
| CN102250595A (en) * | 2011-05-19 | 2011-11-23 | 中国石油天然气集团公司 | Drilling fluid used for active mud shale drilling |
| CN102391842A (en) * | 2011-09-28 | 2012-03-28 | 中国石油化工集团公司 | Polyamine drilling fluid |
| CN102424746A (en) * | 2011-09-28 | 2012-04-25 | 中国石油化工集团公司 | Strongly inhibitory solid-free polyamine-formate drilling fluid system |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713581A (en) * | 2014-12-04 | 2016-06-29 | 中国石油化工股份有限公司 | Solid-phase-free strongly-inhibitive drilling fluid with strong plugging effect and preparation method thereof |
| CN106608944A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Temperature-resistant thickening agent copolymerization association compound and preparation method thereof |
| CN106609129A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Copolymerization and association complex used as tackifier and preparation method thereof |
| CN106608973A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Method for preparing tackifier copolymerization associate |
| CN106608975A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Grafted starch thickening agent copolymerization association compound and preparation method thereof |
| CN106608972A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Preparation method of thickening agent copolymerization association compound |
| CN106608974A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Tackifier copolymerization associate used for drilling fluid and preparation method of tackifier copolymerization associate |
| CN106608945A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Copolymerization association compound, preparation method and applications thereof, and drilling fluid |
| CN106608976A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Starch-containing thickening agent copolymerization association compound and preparation method thereof |
| US9719005B2 (en) | 2015-10-21 | 2017-08-01 | China Petroleum & Chemical Corporation | Associated copolymer and preparation method thereof, and drilling fluid |
| CN106608944B (en) * | 2015-10-21 | 2018-11-06 | 中国石油化工股份有限公司 | A kind of heat-resistance type tackifier copolymerization associated matter and preparation method thereof |
| CN106608945B (en) * | 2015-10-21 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of copolymerization associated matter and its preparation method and application and drilling fluid |
| CN106608976B (en) * | 2015-10-21 | 2019-04-12 | 中国石油化工股份有限公司 | A kind of starch-containing tackifier copolymerization associated matter and preparation method thereof |
| CN106608975B (en) * | 2015-10-21 | 2019-04-12 | 中国石油化工股份有限公司 | A kind of graft starch tackifier copolymerization associated matter and preparation method thereof |
| CN106608974B (en) * | 2015-10-21 | 2019-05-17 | 中国石油化工股份有限公司 | A kind of tackifier for drilling fluid copolymerization associated matter and preparation method thereof |
| CN106608972B (en) * | 2015-10-21 | 2019-05-21 | 中国石油化工股份有限公司 | A kind of preparation method of tackifier copolymerization associated matter |
| CN116003079A (en) * | 2022-09-15 | 2023-04-25 | 江门市俞嘉科技有限公司 | Method for producing autoclaved concrete slab by using magnesium ore slag |
| CN116003079B (en) * | 2022-09-15 | 2024-08-20 | 江门市俞嘉科技有限公司 | Method for producing autoclaved concrete slab by using magnesium ore slag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103773332B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103773332A (en) | Drilling fluid and preparation method thereof | |
| CN104592955B (en) | A kind of polyamine shale control agent and preparation method thereof | |
| CN104559958B (en) | A kind of compound polyamine class shale control agent and preparation method thereof | |
| CN106279520B (en) | A kind of drilling fluid amide polymer shale control agent and preparation method thereof | |
| CN102876314A (en) | Weighted fracturing fluid | |
| CN104592957B (en) | Sulfonic-group-containing polyamine shale inhibitor and preparation method thereof | |
| CN103044679A (en) | Cationic polyamine polymer, and preparation method and application thereof | |
| CN103937469B (en) | A kind of Solid Free micro-foam drilling fluid capable of circulation and preparation method thereof | |
| CN104962252A (en) | Organic salt polyamine drilling fluid and preparation method thereof | |
| CN104357031A (en) | Silicate-cation alkyl glucoside drilling fluid and preparation method thereof | |
| CN103911138A (en) | Density adjustable type composite weighted fracturing fluid | |
| CN110257043A (en) | A kind of stimuli responsive type clean fracturing fluid and preparation method thereof | |
| CN105038738A (en) | High-temperature resistant efficient mud shale inhibitor for drilling fluid and preparation method therefor | |
| CN105086955B (en) | Polyamine inhibitor for water-based drilling fluid and preparation method thereof | |
| CN107325806B (en) | Clean steering acid liquor system containing erucyl quaternary ammonium salt surfactant | |
| CN103773331B (en) | A kind of high-efficient drilling fluid and preparation method thereof | |
| CN105419755B (en) | A kind of continuous tubing drill plug liquid system and preparation method thereof | |
| CN113698510A (en) | Modified chitosan as environment-friendly bionic shale inhibitor for water-based drilling fluid | |
| CN106367042B (en) | Modification of chitosan is as the application of shale control agent and the application of temperature resistance environment-friendly type water base drilling fluid | |
| CN104592967A (en) | Fluid-loss-resistant water-invasion-resistant well control fluid | |
| CN103773327A (en) | Solid-free active salt water drilling fluid for coalbed methane (CBM) horizontal wells | |
| CN104592956B (en) | A kind of preparation method of efficient polyamine shale control agent | |
| CN102827596A (en) | Corrosion inhibitor suitable for acidizing stratum at 140-180 DEG C | |
| CN105647493B (en) | A kind of high inhibition blocks by force drilling fluid and preparation method thereof | |
| CN111662194B (en) | Environment-friendly ether amine shale inhibitor and water-based drilling fluid thereof |
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 |