IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0429413
(1995-04-26)
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발명자
/ 주소 |
- Malchow
- Jr. George A. (Mentor-on-the-Lake OH)
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출원인 / 주소 |
- The Lubrizol Corporation (Wickliffe OH 02)
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인용정보 |
피인용 횟수 :
7 인용 특허 :
8 |
초록
▼
This invention relates to a composition comprising a water-in-oil emulsion formed from a brine, a liquid oil, (A) an emulsifier, (B) a friction modifier of the following formula: [Figure] where X=1 to 4, z=1 to 6, Q=0 to 2 R1 and R2 are independently H or an aliphatic group containing from 1 to abou
This invention relates to a composition comprising a water-in-oil emulsion formed from a brine, a liquid oil, (A) an emulsifier, (B) a friction modifier of the following formula: [Figure] where X=1 to 4, z=1 to 6, Q=0 to 2 R1 and R2 are independently H or an aliphatic group containing from 1 to about 16 carbon atoms, provided that the sum of R1 and R2 is between 0 and about 16, R′is an aliphatic group containing an average of from about 8 to about 24 carbon atoms, and R″is selected from the group consisting of H, an aliphatic group containing between 1 and an average of about 18 carbons, and [Figure] where Q, X, z, R1, R2, R′and R″are defined as set forth above, and Y is 0 to 5. In a preferred embodiment, z is 1. In the most preferred embodiment, Q=0, R1 and R2 are both H, X, and z all equal 1, R′is n-dodecyl, and R″is H. The compositions of the present invention have beneficial lubrication properties. These compositions are useful in drilling, working and completing well bore holes.
대표청구항
▼
A drilling fluid composition comprising a water-in-oil emulsion formed from a brine, a liquid oil, (A) an emulsifier, (B) a friction modifier of the following formula: [Figure] where X=1 to 4, z=1 to 6, Q=0 to 2 R1 and R2 are independently H or an aliphatic group containing from 1 to about 16 car
A drilling fluid composition comprising a water-in-oil emulsion formed from a brine, a liquid oil, (A) an emulsifier, (B) a friction modifier of the following formula: [Figure] where X=1 to 4, z=1 to 6, Q=0 to 2 R1 and R2 are independently H or an aliphatic group containing from 1 to about 16 carbon atoms, provided that the sum of the carbon atoms in R1 and R2 is between 0 and about 16, R′is an aliphatic group containing an average of from about 8 to about 24 carbon atoms, and R″is selected from the group consisting of H, an aliphatic group containing between 1 and an average of about 18 carbons, and [Figure] where Q, X, z, R1, R2, R′and R″are defined as set forth above, and Y is 0 to 5.
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