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Early kick detection in an oil and gas well
US9109433B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9109433-B2 |
| Application number | US-201213401503-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 21, 2012 |
| Priority date | Aug 1, 2005 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
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An apparatus, method and computer-readable medium for detecting a gas influx event in a borehole fluid during a drilling operation is disclosed. A measurement of an acoustic velocity of the borehole fluid is obtained at an acoustic sensor disposed in a borehole. A measurement of temperature of the borehole fluid is obtained at a temperature sensor disposed in the borehole. A process compares the measurement of the acoustic velocity of the borehole fluid to the measurement of the temperature of the borehole fluid to detect the gas influx event.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of detecting a gas influx event in a borehole fluid during a drilling operation, comprising: generating acoustic pulses over a time period using an acoustic transducer disposed in a borehole; obtaining measurements of acoustic velocity of the acoustic pulses through borehole fluid over the time period at an acoustic sensor disposed in a borehole; obtaining measurements of temperature of the borehole fluid over the time period at a temperat…
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Physics · mapped topic
Physics · mapped topic
- E21B47/107Primary
Fixed Constructions · mapped topic
Physics · mapped topic
Physics · mapped topic
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- What does patent US9109433B2 cover?
- An apparatus, method and computer-readable medium for detecting a gas influx event in a borehole fluid during a drilling operation is disclosed. A measurement of an acoustic velocity of the borehole fluid is obtained at an acoustic sensor disposed in a borehole. A measurement of temperature of the borehole fluid is obtained at a temperature sensor disposed in the borehole. A process compares th…
- Who is the assignee on this patent?
- Difoggio Rocco, Blue Daniel Duncan, Baker Hughes Inc
- What technology area does this patent fall under?
- Primary CPC classification E21B47/107. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Aug 18 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).