SU604866A1 - Method of enriching clay for drilling muds - Google Patents
Method of enriching clay for drilling mudsInfo
- Publication number
- SU604866A1 SU604866A1 SU742031745A SU2031745A SU604866A1 SU 604866 A1 SU604866 A1 SU 604866A1 SU 742031745 A SU742031745 A SU 742031745A SU 2031745 A SU2031745 A SU 2031745A SU 604866 A1 SU604866 A1 SU 604866A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- clay
- enriching
- drilling muds
- copolymer
- soda
- Prior art date
Links
Description
1one
Изобретение относитс к технологии производства глинопорошков, примен емых дл получени глинистых растворов при бурении нефт ных и газовых скважин.The invention relates to a technology for the production of clay powders used to obtain mud solutions in the drilling of oil and gas wells.
Известен способ обогащени глин, который предусматривает обработку их в процессе помола кальцинированной содой или перманганатом натри . При этом происходит превращение кальциевых бентонитовых глин в натриевые 1.A known method of enriching clays, which involves treating them in the process of grinding soda ash or sodium permanganate. When this occurs, the conversion of calcium bentonite clays to sodium 1.
Недостатком этого способа вл етс получение глинопорошков низкого качества, не позвол ющих при эксплуатации получить высокий выход глинистого раствора.The disadvantage of this method is the production of low-quality clay powders that do not allow a high yield of mud to be obtained during operation.
Р1звестен способ обогащени глин путем совместного помола глиноматериала, сухой кальцинированной соды и сополимера (М-14) метакриловой кислоты и метилметакрилата. Введение сополимера заметно увеличивает выход глинистого раствора 2.A method is known for enriching clays by co-grinding clay material, dry soda ash and copolymer (M-14) of methacrylic acid and methyl methacrylate. The introduction of the copolymer significantly increases the yield of the mud 2.
Однако при таком пор дке ввода указанных реагентов в глину выход глинистого раствора при его получении не достигает оптимально возможного значени .However, with this order of inputting the indicated reagents into the clay, the yield of the clay solution does not reach the optimum possible value when it is produced.
Это объ сн етс тем, что кальцинированна сода в процессе помола вступает во взаимодействие с влажной глиной. При последующем получении глинистого раствора щелочность среды оказываетс недостаточной дл гидролиза эфирных групп сополимера л полногоThis is due to the fact that the soda ash during the grinding process interacts with the wet clay. In the subsequent preparation of the clay solution, the alkalinity of the medium is insufficient for the hydrolysis of the ester groups of the copolymer
его растворени . Сополимер, по этой причине, только набухает, но не раствор етс .dissolve it. The copolymer, for this reason, only swells, but does not dissolve.
Кроме того, при таком обогащении образуетс содова пыль, котора , попада в атмосферу цеха, ухудшает услови труда.In addition, with such enrichment, soda dust is formed, which, falling into the atmosphere of the workshop, worsens the working conditions.
Пелью изобретени вл етс повышение качества глинопорошка за счет предупреждени преждевременного взаимодействи кальцииированной соды с глиной.The invention is an improvement in the quality of clay powder by preventing the premature interaction of the calcined soda with clay.
Указанна цель достигаетс тем, что сополимер и кальцинированную соду ввод т в глину после ее помола.This goal is achieved by introducing the copolymer and soda ash into the clay after grinding.
В период приготовлени глинистого раствора обогащенный глинопорошок внос т в воду и сода, быстро раствор сь, создает высокую щелочность среды и одновременно вступает в реакцию с сополимером и глиной. В этом случае сополимер полностью раствор етс , цепочки его ввиду гидролиза эфирных групп -ОСПз раздел ютс . За счет взаимодействи этих цепочек с глинистыми частицами в растворе образуетс пространственна сетка. В результате этого раствор приобретает большую в зкость. Необходимость разбавлени его водой ведет к увеличению выхода глинистого раствора.During the preparation of the clay solution, the enriched clay powder is introduced into water and soda, quickly dissolves, creates a high alkalinity of the medium, and simultaneously reacts with the copolymer and clay. In this case, the copolymer is completely dissolved; its chains, due to the hydrolysis of ester-α-PSV groups, are separated. Due to the interaction of these chains with clay particles, a spatial network is formed in the solution. As a result, the solution becomes more viscous. The need to dilute it with water leads to an increase in the yield of the mud.
Пример. Поступающа с карьера комова глина дробитс на молотковой дробилке и подаетс в барабанную сушилку, где высушиваетс до остаточной влажности 5-10%. Далее , глинистое сырье через бункер и дозатор попадает в мельницу. После этого размолота глина ло трансцортеру поступает в ковшовый элеватор. Здесь: происходит смешение глинопорошкас сополимером и кальцинированной содой, вноси.нййи через дозаторы. Затем готовый гл,.ц.орошок шнековым транспортером и элеватором подают в силоса.Example. The incoming quarry clay is crushed on a hammer mill and fed to a tumble dryer, where it is dried to a residual moisture content of 5-10%. Further, the clay raw materials through the bunker and the dispenser enters the mill. After that, the clay is crushed to the trans-recorter, which enters the bucket elevator. Here: there is a mixture of clay powder with a copolymer and soda ash, depositing it through dispensers. Then ready hl, .ts.oroshhok auger conveyor and elevator served in the silo.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU742031745A SU604866A1 (en) | 1974-06-06 | 1974-06-06 | Method of enriching clay for drilling muds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU742031745A SU604866A1 (en) | 1974-06-06 | 1974-06-06 | Method of enriching clay for drilling muds |
Publications (1)
Publication Number | Publication Date |
---|---|
SU604866A1 true SU604866A1 (en) | 1978-04-30 |
Family
ID=20587017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU742031745A SU604866A1 (en) | 1974-06-06 | 1974-06-06 | Method of enriching clay for drilling muds |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU604866A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4517098A (en) * | 1983-04-15 | 1985-05-14 | Rohm And Haas Company | Method of dispersing inorganic materials in aqueous systems with low molecular weight acrylic acid copolymers |
US4530766A (en) * | 1983-04-15 | 1985-07-23 | Rohm And Haas Company | Method of inhibiting scaling in aqueous systems with low molecular weight copolymers |
WO1992005123A1 (en) * | 1990-09-17 | 1992-04-02 | Southern Clay Products, Inc. | Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
US5248641A (en) * | 1990-09-17 | 1993-09-28 | Southern Clay Products, Inc. | Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
-
1974
- 1974-06-06 SU SU742031745A patent/SU604866A1/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4517098A (en) * | 1983-04-15 | 1985-05-14 | Rohm And Haas Company | Method of dispersing inorganic materials in aqueous systems with low molecular weight acrylic acid copolymers |
US4530766A (en) * | 1983-04-15 | 1985-07-23 | Rohm And Haas Company | Method of inhibiting scaling in aqueous systems with low molecular weight copolymers |
WO1992005123A1 (en) * | 1990-09-17 | 1992-04-02 | Southern Clay Products, Inc. | Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
US5248641A (en) * | 1990-09-17 | 1993-09-28 | Southern Clay Products, Inc. | Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
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