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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0657877 (2015-03-13) |
등록번호 | US-9644132 (2017-05-09) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 337 |
A variety of methods and compositions are disclosed, including, in one embodiment, a method of treating a well comprising: providing a treatment fluid comprising a base fluid and a blended cementitious component, wherein the blended cementitious component comprises kiln dust from two or more differe
A variety of methods and compositions are disclosed, including, in one embodiment, a method of treating a well comprising: providing a treatment fluid comprising a base fluid and a blended cementitious component, wherein the blended cementitious component comprises kiln dust from two or more different sources; and introducing the treatment fluid into a well bore.
1. A method of preparing a blended cementitious component comprising: providing a first kiln dust, the first kiln dust being from a first source, wherein the first kiln dust comprises cement kiln dust, the cement kiln dust being present in the blended cementitious component in an amount in a range o
1. A method of preparing a blended cementitious component comprising: providing a first kiln dust, the first kiln dust being from a first source, wherein the first kiln dust comprises cement kiln dust, the cement kiln dust being present in the blended cementitious component in an amount in a range of from about 0.01% to 99% by weight of the blended cementitious component;providing a second kiln dust, the second kiln dust being from a second source;blending at least the first kiln dust and the second kiln dust to form the blended cementitious component; anddetermining a reactive index for the first kiln dust and determining a reactive index for the second kiln dust, wherein the step of determining the reactive index for the first kiln dust uses the following equation: RI1=MP1/SSA1 wherein RI1 is the reactive index for the first kiln dust, MP1 is a measured parameter of the first kiln dust, and SSA1 is the specific surface area of the first kiln dust, and wherein the step of determining the reactive index for the second kiln dust uses the following equation: RI2=MP2/SSA2 wherein RI2 is the reactive index for the second kiln dust, MP2 is a measured parameter of the second kiln dust, and SSA2 is the specific surface area of the second kiln dust. 2. The method of claim 1 wherein the second kiln dust is selected from the group consisting of lime kiln dust, cement kiln dust, and a combination thereof. 3. The method of claim 1 further comprising adjusting particle size of the first kiln dust and/or the second kiln dust. 4. The method of claim 1 further comprising a mean particle size of at least one of the first kiln dust and/or the second kiln dust to a particle size of about 15 microns or less. 5. The method of claim 1 wherein a reactive index for the first kiln dust and a reactive index for the second kiln dust vary by a factor of about 2:1 or more. 6. The method of claim 1 wherein a reactive index for the first kiln dust and a reactive index for the second kiln dust vary by a factor of about 50:1 or more. 7. The method of claim 1 wherein the measured parameter is compressive strength, Young's modulus, fluid loss, thickening time, a rheological value, free water, or any combination thereof. 8. The method of claim 1 wherein the amount of the first kiln dust and the second kiln dust are adjusted based on a parameter selected from the group consisting of compressive strength, Young's modulus, fluid loss, thickening time, a rheological value, free water, and any combination thereof. 9. The method of claim 1 wherein performance of the blended cementitious component is optimized using the following equation: EPblend=(RI1)(SSA1)(f1)m+(RI2)(SSA2)(f2)m wherein EP is an estimated parameter for the blended cementitious component, f1 is mass fraction of the kiln dust, f2 is mass fraction of the additional cementitious component, and m is a number from 1 to 10, and wherein the optimizing comprises adjusting f1 and/or f2. 10. The method of claim 1 further comprising blending the blended cementitious component with at least one of a Portland cement, a calcium aluminate, gypsum, a pozzolanic material, or a combination thereof. 11. A well treatment fluid comprising: a base fluid; anda blended cementitious component comprising kiln dust from two or more different sources; wherein the kiln dust comprises cement kiln dust from a first source, the cement kiln dust being present in the treatment fluid in an amount in a range of from about 0.01% to 99% by weight of by weight of the blended cementitious component,wherein the cement dust has a reactive index and wherein the reactive index is calculated from the equation: RI1=MP1/SSA1 wherein RI1 is the reactive index for the first kiln dust, MP1 is a measured parameter of the first kiln dust, and SSA1 is the specific surface area of the first kiln dust. 12. The well treatment fluid of claim 11 wherein the kiln dust further comprises cement kiln dust from a second source. 13. The well treatment fluid of claim 11 wherein the kiln dust from two or more different sources has a mean particle size of about 15 microns or less. 14. The well treatment fluid of claim 11 wherein the kiln dust from two or more different sources comprises a first kiln dust from a first source and a second kiln dust from a second source, wherein the first kiln dust and the second kiln dust have different reactive indexes. 15. The well treatment fluid of claim 14 wherein a reactive index for the first kiln dust and a reactive index for the second kiln dust vary by a factor of about 2:1 or more. 16. The well treatment fluid of claim 14 wherein a reactive index for the first kiln dust and a reactive index for the second kiln dust vary by a factor of about 50:1 or more. 17. The well treatment fluid of claim 11 wherein the blended cementitious component further comprises at least one of a Portland cement, a calcium aluminate, gypsum, a pozzolanic material, or a combination thereof. 18. The well treatment fluid of claim 11 wherein the base fluid is present in an amount of from about 40% to about 200% by weight of the blended cementitious component. 19. The well treatment fluid of claim 11 wherein the well treatment fluid has a density of about 4 pounds per gallon to about 20 pounds per gallon.
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