Assembly and method for monitoring position of blowout preventer rams
First Claim
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1. A ram blowout preventer (“
- BOP”
) assembly, comprising;
a body comprising a vertical bore extending through the body, a ram cavity intersecting the vertical bore, and a port extending through the body from the vertical bore;
a pair of opposing rams movable laterally into and out of the vertical bore from the ram cavity;
a sensor assembly located in the port and near the vertical bore and configured to monitor the position of at least one opposing ram and;
wherein the at least one opposing ram comprises a detection feature located on a surface of the at least one opposing ram and configured to be detected by the sensor assembly.
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Abstract
A blow out preventer (“BOP”) includes a vertical bore extending through the body, a ram cavity intersecting the bore, and a port located below the ram cavity. A sensor assembly is locatable in the port and is configured to monitor the position of at least one opposing ram contained in the BOP. At least one of the rams includes a detection feature on a lower surface of the ram which is distinguishable from the rest of the ram body, other features of the BOP, and any debris in the bore of the BOP. The detection feature is detectable by the sensor assembly. The detection feature may include a visual indicator.
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Citations
13 Claims
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1. A ram blowout preventer (“
- BOP”
) assembly, comprising;a body comprising a vertical bore extending through the body, a ram cavity intersecting the vertical bore, and a port extending through the body from the vertical bore; a pair of opposing rams movable laterally into and out of the vertical bore from the ram cavity; a sensor assembly located in the port and near the vertical bore and configured to monitor the position of at least one opposing ram and; wherein the at least one opposing ram comprises a detection feature located on a surface of the at least one opposing ram and configured to be detected by the sensor assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- BOP”
Specification