US2883856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting hydrocarbons in drilling mud and cuttings
Assignee: Atlantic Richfield Co
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Filing: 1955-04-14
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Granted: 1959-04-28
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Expires: 1975-04-14
Abstract
No abstract record available.
Inventors
- 👤 Carl A Youngman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/2823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
APPARATUS FOR DETECTING THE PRESENCE OF HYDROCARBONS IN THE RETURN STREAM OF A ROTARY TYPE DRILLING SYSTEM HAVING A PIPE LINE THROUGH WHICH THE FLUENT OF SAID RETURN STREAM FLOWS, COMPRISING MEANS FOR SIMULTANEOUSLY COLLECTING DRILLING MUD AND CUTINGS OF SAID FLUENT, MEANS FOR ADJUSTING THE PROPORTION OF CUTTINGS TO MUD COLLECTED FROM SAID RETURN STREAM, MEANS FOR GRINDING SAID CUTTINGS
Claim 2
Dependent Claim
61 words
APPARATUS FOR DETECTING THE PRESENCE OF HYDROCARBONS IN THE RETURN STREAM OF A ROTARY TYPE DRILLING SYSTEM HAVING A PIPE LINE THROUGH WHICH THE FLUENT OF SAID RETURN STREAM FLOWS, COMPRISING MEANS FOR SIMULTANEOUSLY COLLECTING DRILLING MUD AND CUTINGS OF SAID FLUENT, MEANS FOR ADJUSTING THE PROPORTION OF CUTTINGS TO MUD COLLECTED FROM SAID RETURN STREAM, MEANS FOR GRINDING SAID CUTTINGS
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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |