US3740739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well monitoring and warning system
Assignee: SWACO GEOLOGRAPH Co
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Filing: 1971-11-30
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Granted: 1973-06-19
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Expires: 1991-11-30
Abstract
Abstract A method and apparatus for monitoring at least two process parameters and giving distinctive warnings when each of the parameters varies beyond the desired limit and a separate and distinctive warning when two or more of the parameters vary beyond desired limits at the same time.
Inventors
- 👤 P Griffin
- 👤 M Sharki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:57
CPC Classifications
E; E21; E21B; E21B44/00; E21B21/00; E21B21/08; G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/36; G01P; G01P13/00; G01P13/0006; G01P13/0013; G01P13/002
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
169 words
A well monitoring system for monitoring a multiplicity of drilling parameters during the drilling of a well and giving distinctive warnings of variations of said drilling parameters beyond predetermined limits, said drilling parameters including liquid flow rate of the liquid drilling mud returning from the well and liquid height in at least one mud pit, comprising: a sensing means for monitoring each of the multiplicity of drilling parameters, said sensing means including a flow rate sensing means and a liquid level sensing means, and wherein said system includes a pair of warning means, and a relay means operatively connected to both sensing means and both warning means so that when only said flow rate sensing means varies beyond desired limits one of said warning means is actuated and when only said liquid level sensing means varies beyond desired limits the other of said warning means is actuated and when both sensing means vary beyond desired limits at the same time both warning means are actuated at the same time.
Claim 2
Dependent Claim
169 words
A well monitoring system for monitoring a multiplicity of drilling parameters during the drilling of a well and giving distinctive warnings of variations of said drilling parameters beyond predetermined limits, said drilling parameters including liquid flow rate of the liquid drilling mud returning from the well and liquid height in at least one mud pit, comprising: a sensing means for monitoring each of the multiplicity of drilling parameters, said sensing means including a flow rate sensing means and a liquid level sensing means, and wherein said system includes a pair of warning means, and a relay means operatively connected to both sensing means and both warning means so that when only said flow rate sensing means varies beyond desired limits one of said warning means is actuated and when only said liquid level sensing means varies beyond desired limits the other of said warning means is actuated and when both sensing means vary beyond desired limits at the same time both warning means are actuated at the same time.
Claim 3
Dependent Claim
183 words
A well monitoring system for monitoring a multiplicity of drilling parameters during the drilling of a well and giving distinctive warnings of variations of said drilling parameters beyond predetermined limits, said drilling parameters including liquid flow rate of the liquid drilling mud returning from the well and liquid height in at least one mud pit, comprising: a sensing means for monitoring each of the multiplicity of drilling parameters, said sensing means including a flow rate sensing means and a liquid level sensing means, and wherein said system includes a pair of warning means, and a relay means and a motor driven cam intermitter means operatively connected to both sensing means and both warning means so that when only said flow sensing means varies beyond desired limits one of said warning means is actuated and when only said liquid level sensing means varies beyond desired limits the other of said warning means is actuated intermittently by said intermitter means and when both sensing means vary beyond desired limits at the same time said warning means which was intermittently operated before is now continuously operated.
Claim 4
Dependent Claim
183 words
A well monitoring system for monitoring a multiplicity of drilling parameters during the drilling of a well and giving distinctive warnings of variations of said drilling parameters beyond predetermined limits, said drilling parameters including liquid flow rate of the liquid drilling mud returning from the well and liquid height in at least one mud pit, comprising: a sensing means for monitoring each of the multiplicity of drilling parameters, said sensing means including a flow rate sensing means and a liquid level sensing means, and wherein said system includes a pair of warning means, and a relay means and a motor driven cam intermitter means operatively connected to both sensing means and both warning means so that when only said flow sensing means varies beyond desired limits one of said warning means is actuated and when only said liquid level sensing means varies beyond desired limits the other of said warning means is actuated intermittently by said intermitter means and when both sensing means vary beyond desired limits at the same time said warning means which was intermittently operated before is now continuously operated.
Claim 5
Dependent Claim
29 words
The system according to claim 2 wherein one warning means is a light and the warning means which is operated both intermittently and continuously is a sound generating device.
Claim 6
Dependent Claim
123 words
A well monitoring system for monitoring a multiplicity of drilling parameters during the drilling of a well and giving distinctive warnings of variations of said drilling parameters beyond predetermined limits, comprising: a sensing means for monitoring each of the multiplicity of drilling parameters, said sensing means including a liquid flow rate sensing means and a liquid height sensing means, with said flow rate sensing means operatively connected to a relay means, said liquid height sensing means operatively connected to a recorder means, said recorder means operatively connected to said relay means, a first warning means operatively connected to said relay means, a motor driven cam intermitter means operatively connected to said relay means, and a second warning means operatively connected to said intermitter.
Claim 7
Dependent Claim
123 words
A well monitoring system for monitoring a multiplicity of drilling parameters during the drilling of a well and giving distinctive warnings of variations of said drilling parameters beyond predetermined limits, comprising: a sensing means for monitoring each of the multiplicity of drilling parameters, said sensing means including a liquid flow rate sensing means and a liquid height sensing means, with said flow rate sensing means operatively connected to a relay means, said liquid height sensing means operatively connected to a recorder means, said recorder means operatively connected to said relay means, a first warning means operatively connected to said relay means, a motor driven cam intermitter means operatively connected to said relay means, and a second warning means operatively connected to said intermitter.
Claim 8
Dependent Claim
159 words
A well monitoring system for monitoring liquiD flow rate of the liquid drilling mud returning from the well and liquid height of the drilling mud in the mud pits, said monitoring system including a first warning means that is actuated when said liquid flow rate varies beyond desired limits by itself, a second and different warning means that is actuated when said liquid height varies beyond desired limits by itself, and a third and still different warning means that is actuated when both said liquid flow rate and liquid height vary beyond desired limits at the same time, comprising: means for sensing variations in said liquid flow rate and liquid height, means for giving a separate and distinctive warning when either said liquid flow rate or said liquid height varies beyond desired limits by itself, and means for giving a different warning from any other warnings when both of said parameters vary beyond desired limits at the same time.
Claim 9
Dependent Claim
159 words
A well monitoring system for monitoring liquiD flow rate of the liquid drilling mud returning from the well and liquid height of the drilling mud in the mud pits, said monitoring system including a first warning means that is actuated when said liquid flow rate varies beyond desired limits by itself, a second and different warning means that is actuated when said liquid height varies beyond desired limits by itself, and a third and still different warning means that is actuated when both said liquid flow rate and liquid height vary beyond desired limits at the same time, comprising: means for sensing variations in said liquid flow rate and liquid height, means for giving a separate and distinctive warning when either said liquid flow rate or said liquid height varies beyond desired limits by itself, and means for giving a different warning from any other warnings when both of said parameters vary beyond desired limits at the same time.
Claim 10
Dependent Claim
120 words
A well monitoring system for monitoring at least two well drilling parameters and for giving distinctive warnings against undesired variations in one or more of said parameters, comprising: means for sensing variations in each parameter, means including first and second warning means for giving a separate and distinctive warning when each parameter varies beyond desired limits by itself, and means including third warning means for giving a different warning from any other warnings when two or more of said parameters vary beyond desired limits at the same time, said first warning means being light, said second warning means being a means for producing intermittent audible sound, and said third warning means being a means for producing a continuous audible sound.
Claim 11
Dependent Claim
120 words
A well monitoring system for monitoring at least two well drilling parameters and for giving distinctive warnings against undesired variations in one or more of said parameters, comprising: means for sensing variations in each parameter, means including first and second warning means for giving a separate and distinctive warning when each parameter varies beyond desired limits by itself, and means including third warning means for giving a different warning from any other warnings when two or more of said parameters vary beyond desired limits at the same time, said first warning means being light, said second warning means being a means for producing intermittent audible sound, and said third warning means being a means for producing a continuous audible sound.
Claim 12
Independent Claim
260 words
A system for monitoring two individual variable drilling parameters during the drilling of a well, comprising: first sensing means for sensing the variation of a first drilling parameter beyond predetermined limits, said first sensing means being a means for sensing the flow rate of the liquid drilling mud returning from the well bore; second sensing means for sensing the variation of a second drilling parameter beyond predetermined limits, said second sensing means being a means for sensing the liquid level of the drilling mud in the mud pits; first warning means for producing a distinctive first warning signal; second warning means for producing a distinctive second warning signal; third warning means for producing a distinctive third warning signal; first actuating means connected to said first sensing means and said first warning means for causing said first warning means to produce said first warning signal when the first sensing means senses variation of the first drilling parameter beyond the predetermined limits; second actuating means connected to said second sensing means and said second warning means for causing said second warning means to produce said second warning signal when the second sensing means senses variation of the second drilling parameter beyond the predetermined limits; and third actuating means connected to said first sensing means, said second sensing means and said third warning means for causing said third warning means to produce said third warning signal when said first sensing means and said second sensing means sense that the first drilling parameter and the second drilling parameter have varied beyond the predetermined limits.
Claim 13
Independent Claim
260 words
A system for monitoring two individual variable drilling parameters during the drilling of a well, comprising: first sensing means for sensing the variation of a first drilling parameter beyond predetermined limits, said first sensing means being a means for sensing the flow rate of the liquid drilling mud returning from the well bore; second sensing means for sensing the variation of a second drilling parameter beyond predetermined limits, said second sensing means being a means for sensing the liquid level of the drilling mud in the mud pits; first warning means for producing a distinctive first warning signal; second warning means for producing a distinctive second warning signal; third warning means for producing a distinctive third warning signal; first actuating means connected to said first sensing means and said first warning means for causing said first warning means to produce said first warning signal when the first sensing means senses variation of the first drilling parameter beyond the predetermined limits; second actuating means connected to said second sensing means and said second warning means for causing said second warning means to produce said second warning signal when the second sensing means senses variation of the second drilling parameter beyond the predetermined limits; and third actuating means connected to said first sensing means, said second sensing means and said third warning means for causing said third warning means to produce said third warning signal when said first sensing means and said second sensing means sense that the first drilling parameter and the second drilling parameter have varied beyond the predetermined limits.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |