EP0108534A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Acoustic indicator for wells
Assignee: Halliburton Co
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Filing: 1983-10-20
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Granted: —
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Expires: 2003-10-20
Abstract
Abstract The passage of materials in a well casing is detected and monitored acoustically. This is especially useful for detecting the passage of cement plugs. An acoustic indicator system for use in the method comprises a microphone (10) to be placed in the well, a recording means (50) connected to the microphone, and headphones (90).
Inventors
- 👤 Ernest Eugene Carter, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 16:06
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/04; E21B33/05; E21B47/00; E21B47/09; E21B47/095; E21B47/12; E21B47/14; E21B47/16; G; G01; G01H; G01H1/00; G01V; G01V1/00; G01V1/40; G01V1/44; G01V1/46
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
35 words
A method of detecting the passage of materials through a well casing (1) which comprises disposing in the well a microphone (10) and detecting the passage of material by monitoring the output from the microphone.
Claim 2
Independent Claim
35 words
A method of detecting the passage of materials through a well casing (1) which comprises disposing in the well a microphone (10) and detecting the passage of material by monitoring the output from the microphone.
Claim 3
Independent Claim
43 words
A method of detecting the release of a cement plug from a cement plug container in a well casing (1) which comprises disposing a microphone (10) adjacent the casing and detecting the passage of the plug by monitoring the output from the microphone.
Claim 4
Independent Claim
43 words
A method of detecting the release of a cement plug from a cement plug container in a well casing (1) which comprises disposing a microphone (10) adjacent the casing and detecting the passage of the plug by monitoring the output from the microphone.
Claim 5
Dependent Claim
28 words
An acoustic indicator system for use in the method of claim 1 or 2, comprising: a microphone (10); recording means (50) connected to the microphone; and headphones (90).
Claim 6
Dependent Claim
23 words
A system according to claim 2, wherein the microphone comprises stereo phono cartridge means (12), a mounting plate (20) and a connector (40).
Claim 7
Dependent Claim
38 words
A system according to claim 4, wherein the stereo phono cartridge means has a range of frequency response of approximately 20 to 20,000 Hertz; and the mounting plate comprises a flexible portion (22) and a rigid portion (30).
Claim 8
Dependent Claim
22 words
A system according to claim 4 or 5, wherein the stereo phono cartridge means comprises a ceramic type stereo phono cartridge means.
Claim 9
Dependent Claim
22 words
A system according to claim 4 or 5, wherein the stereo phono cartridge means comprises a magnetic type stereo phono cartridge means.
Claim 10
Dependent Claim
21 words
A system according to claim 5, wherein the rigid portion of the mounting plate means comprises a magnetic type rigid portion.
Claim 11
Independent Claim
19 words
A system according to any of claims 3 to 8, wherein the recording system means comprises a tape recorder.
References Cited (Backward Citations)
No citation records indexed.
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