KR102289654B1 - 전이금속 황화물 나노입자를 포함하는 시추이수 조성물 및 이의 제조방법 - Google Patents
전이금속 황화물 나노입자를 포함하는 시추이수 조성물 및 이의 제조방법 Download PDFInfo
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- KR102289654B1 KR102289654B1 KR1020190057691A KR20190057691A KR102289654B1 KR 102289654 B1 KR102289654 B1 KR 102289654B1 KR 1020190057691 A KR1020190057691 A KR 1020190057691A KR 20190057691 A KR20190057691 A KR 20190057691A KR 102289654 B1 KR102289654 B1 KR 102289654B1
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- 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
- C09K8/16—Clay-containing compositions characterised by the inorganic compounds other than clay
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- C—CHEMISTRY; METALLURGY
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- 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
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- C09K8/145—Clay-containing compositions characterised by the composition of the clay
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Abstract
Description
도 2은 기존의 몰리브덴 이황화물을 전계방출형 주사전자현미경(FE-SEM)으로 촬영한 이미지이다..
도 3은 일실시예에 따른 시추이수 조성물을 원자간력 현미경(Atomic force microscope, AFM)으로 촬영한 이미지이다.
도 4 및 도 5는 일실시예에 따른 시추이수 조성물의 유변 특성을 나타내는 그래프로, 전단속도에 따른 전단응력 및 점도를 측정한 그래프이다.
시추이수 | 벤토나이트 | MoS 2 | |||
종류 | 두께 | 직경 | 농도 | ||
실시예 1 | 5wt% | 제조예 1 | 1-2 nm | 100-400 nm | 1wt% |
실시예 2 | 5wt% | 1-2 nm | 100-400 nm | 3wt% | |
실시예 3 | 5wt% | 1-2 nm | 100-400 nm | 5wt% | |
실시예 4 | 5wt% | 제조예 2 | 1-2 nm | 300-600 nm | 1wt% |
실시예 5 | 5wt% | 1-2 nm | 300-600 nm | 3wt% | |
실시예 6 | 5wt% | 1-2 nm | 300-600 nm | 5wt% | |
실시예 7 | 5wt% | 제조예 3 | 5-10 nm | 100-400 nm | 1wt% |
실시예 8 | 5wt% | 5-10 nm | 100-400 nm | 3wt% | |
실시예 9 | 5wt% | 5-10 nm | 100-400 nm | 5wt% | |
실시예 10 | 5wt% | 제조예 4 | 5-10 nm | 400-650 nm | 1wt% |
실시예 11 | 5wt% | 5-10 nm | 400-650 nm | 3wt% | |
실시예 12 | 5wt% | 5-10 nm | 400-650 nm | 5wt% |
시추이수 | 벤토나이트 | MoS 2 | |||
종류 | 두께 | 직경 | 농도 | ||
비교예 2 | 5wt% | 비교제조예 | > 10nm | 1-2 μm | 1wt% |
비교예 3 | 5wt% | > 10nm | 1-2 μm | 3wt% | |
비교예 4 | 5wt% | > 10nm | 1-2 μm | 5wt% |
시추이수 | 열전도도(W/m·K) | 증가율(%) |
실시예 1 | 0.591 | 2.4 |
실시예 2 | 0.597 | 3.5 |
실시예 3 | 0.609 | 5.5 |
실시예 4 | 0.596 | 3.3 |
실시예 5 | 0.611 | 5.9 |
실시예 6 | 0.648 | 12.3 |
실시예 7 | 0.597 | 3.5 |
실시예 8 | 0.609 | 5.5 |
실시예 9 | 0.639 | 10.7 |
실시예 10 | 0.595 | 3.1 |
실시예 11 | 0.609 | 5.5 |
실시예 12 | 0.620 | 7.5 |
비교예 1 | 0.577 | - |
비교예 2 | 0.588 | 1.9 |
비교예 3 | 0.593 | 2.8 |
비교예 4 | 0.616 | 6.8 |
Claims (11)
- 용매; 스멕타이트족 점토광물; 및 몰리브덴 이황화물 또는 텅스텐 이황화물을 포함하는 전이금속 황화물 나노입자를 포함하고,
상기 전이금속 황화물 나노입자의 크기는 300 내지 650nm이며,
상기 전이금속 황화물 나노입자의 두께는 1 내지 10 nm이고,
상기 전이금속 황화물 나노입자의 함량은 1wt% 내지 10wt%인 것을 특징으로 하는 시추이수 조성물. - 제 1 항에 있어서,
상기 용매는 증류수 및 소금물로 이루어진 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 시추이수 조성물. - 제 1 항에 있어서,
상기 스멕타이트족 점토광물은 벤토나이트, 몬트모릴로나이트, 새포나이트, 헥토라이트, 미네소타이트, 논트로나이트 및 바이델라이트로 이루어진 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 시추이수 조성물. - 삭제
- 제 1 항에 있어서,
상기 스멕타이트족 점토광물의 함량은 1wt% 내지 10wt%인 것을 특징으로 하는 시추이수 조성물. - 벌크 전이금속 황화물, 유기금속 화합물 및 유기용매를 혼합하여 전이금속 황화물 나노입자를 제조하는 단계;
1wt% 내지 10wt%의 비율을 가지는 상기 제조된 전이금속 황화물 나노입자; 용매; 및 스멕타이트족 점토광물을 혼합하여 시추이수 조성물을 제조하는 단계; 및
상기 전이금속 황화물 나노입자를 제조하는 단계와 시추이수 조성물을 제조하는 단계 사이에 전이금속 황화물 나노입자에 증류수를 첨가하고 원심분리 및 초음파 조사를 수행하여 전이금속 황화물 나노입자 크기를 조절하는 단계를 포함하고,
상기 전이금속 황화물 나노입자 크기를 조절하는 단계를 거쳐 제조된 전이금속 황화물 나노입자는 나노입자의 크기는 300 내지 650nm이며, 두께가 1 내지 10 nm인 것을 특징으로 하는 시추이수 조성물의 제조방법. - 삭제
- 제 6 항에 있어서,
시추이수 조성물을 제조하는 단계는 스멕타이트족 점토광물을 1wt% 내지 10wt%의 비율로 혼합하는 것을 특징으로 하는 시추이수 조성물의 제조방법. - 제 6 항에 있어서,
전이금속 황화물 나노입자를 제조하는 단계는 벌크 전이금속 황화물, 유기금속 화합물 및 유기용매를 혼합한 혼합용액에 원심분리 및 초음파 조사하여 수행하는 것을 특징으로 하는 시추이수 조성물의 제조방법. - 삭제
- 삭제
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WO2018011058A1 (en) * | 2016-07-11 | 2018-01-18 | Byk-Chemie Gmbh | An organoclay composition and its use |
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