Method and apparatus for a tubing conveyed perforating guns fire identification system using enhanced marker material
First Claim
1. A method for detecting detonation of a tubing conveyed perforating (TCP) gun in a wellbore comprising the steps for:
- (a) placing a sensor in a wellbore;
(b) detonating a TCP charge; and
(c) detecting detonation of the TCP charge.
1 Assignment
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Accused Products
Abstract
A method and apparatus for determining whether a tubing conveyed perforating (TCP) gun has fired by detecting a change in characteristics of the flow of an oil well. A method and apparatus detects the presence of fluorescent tracer dye to determine whether or not a TCP gun has fired. The method and apparatus detects a change is capacitance, or fiber optic electrical properties to determine whether or not a TCP gun has fired. The method and apparatus detects the number of charges fired to determine whether or not all TCP guns have fired and also provides a method and apparatus for determining the contributions of injection wells to producing wells by introducing fluorescent tracers into injection wells and detecting the presence of the fluorescent tracers at production wells. A method and apparatus is provided for placing fluorescent dye particles in a gravel pack to sense when a gravel pack is deteriorating by detecting the tracer dye particles in the well flow.
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Citations
13 Claims
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1. A method for detecting detonation of a tubing conveyed perforating (TCP) gun in a wellbore comprising the steps for:
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(a) placing a sensor in a wellbore;
(b) detonating a TCP charge; and
(c) detecting detonation of the TCP charge. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of determining the contribution from a injection well to a producing well comprising the steps for:
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(a) placing at least one identifiable tracer dye in an injection well, the tracer dye identifier being associated with the injection well; and
(b) detecting the presence of at the at least one identifiable tracer dye at the producing well, thereby determining the contribution from the injection well to the producing well.
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9. An apparatus for detecting detonation of a tubing conveyed perforating (TCP) gun in a wellbore comprising:
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a TCP charge and detonator deployed in the well bore; and
a detonation sensitive device that reacts to the detonation of the TCP charge. - View Dependent Claims (10, 11, 12)
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13. A apparatus for determining the contribution from a injection well to a producing well comprising:
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(a) an injector for injecting an identifiable tracer dye into an injection well, the tracer dye identifier being associated with the injection well; and
(b) detecting the presence of at the identifiable tracer dye at the producing well, thereby determining the contribution from the injection well to the producing well.
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Specification