Batch interface reducing agent (BIRDA)
First Claim
1. A method for controlling or reducing interface mixing between a first fluid batch and a second fluid batch transported in sequence in a pipeline, comprising selectively injecting a BIRDA into the first fluid batch or the second fluid batch or both, wherein the injection of BIRDA commences prior to the point of contact between the adjacent first fluid batch and the second fluid batch and for some distance back into each batch.
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Accused Products
Abstract
A method of reducing the batch interface mixing on heavy crude oil and bitumen pipelines through injection of a batch interface reducing agent (BIRDA) into the batch, and recovery of the material from the batch. The BIRDA is comprised of low carbon count hydrocarbons in the ethane to pentane range, or a mixture thereof.
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Citations
7 Claims
- 1. A method for controlling or reducing interface mixing between a first fluid batch and a second fluid batch transported in sequence in a pipeline, comprising selectively injecting a BIRDA into the first fluid batch or the second fluid batch or both, wherein the injection of BIRDA commences prior to the point of contact between the adjacent first fluid batch and the second fluid batch and for some distance back into each batch.
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3. A method for the transport of a first fluid batch, and a second fluid batch, in sequence through a pipeline comprising:
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a. conveying the first fluid batch through the pipeline; b. conveying the second fluid batch through the pipeline, wherein an interface is defined between the first fluid batch and the second fluid batch; and c. injecting a BIRDA at and near the interface point. - View Dependent Claims (4, 5, 6, 7)
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Specification