US3103813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for sampling production of subterranean reservoirs
Assignee: ConocoPhillips Co
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Filing: 1960-10-28
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Granted: 1963-09-17
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry A Bourne
- 👤 Earl W Sutton
- 👤 James C Albright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:08
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/08; E21B49/084
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
AN APPARATUS FOR SAMPLING PRODUCTION OF A FLUIDPRODUCING SUBTERRANEAN FORMATION TRAVERSED BY A WELL BORE EXTENDING FROM THE SURFACE WHICH COMPRISES: A. AT LEAST ONE PARTITIONING MEANS IN SAID WELL BORE DIVIDING SAID WELL BORE ADJACENT SAID FORMATION INTO SEPARATE FLUID-PRODUCING ZONES; B. FLUID CONDUITS EXTENDING SEPARATELY FROM THE SURFACE INTO EACH OF SAID ZONES; C. A FLOW CONTROL MEANS CONNECTED TO EACH OF SAID FLUID CONDUITS; AND D. A DIFFERENTIAL PRESSURE CONTROL MEANS HAVING PRESSURE CONDUITS COMMUNICATING WITH EACH OF SAID ZONES, SAID PRESSURE CONTROL MEANS COMMUNICATING WITH SAID FLOW CONTROL MEANS WHEREBY THE FLUIDS ARE WITHDRAWN FROM EACH OF SAID ZONES AT A SUBSTANTIALLY EQUAL PRESSURE AND PRODUCED TO THE SURFACE WITHOUT INTERMINGLING.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |