US3034983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling and completion fluid
Assignee: Magnet Cove Barium Corp
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Filing: 1957-11-05
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Granted: 1962-05-15
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Expires: 1977-11-05
Abstract
No abstract record available.
Inventors
- 👤 William A Reiddie
- 👤 Eugene R Werlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:36
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/02; C09K8/04; C09K8/26; C09K8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A FLUID USEFUL IN DRILLING AND COMPLETING WELLS WHICH COMPRISES, IN COMBINATION A MIXTURE IN WATER OF: A CLAY A SURFACTANT COMPRISING AN OXYETHYLENE ADDUCT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENOL AND ALKYLPHENOL, ANY ALKYL GROUP OF THE LATTER CONTAINING A TOTAL OF FROM 1 TO 10 CARBON ATOMS AND SAID OXYETHYLENE BEING PRESENT IN AN AMOUNT IN THE RANGE OF 20 TO 50 MOLS PER MOL OF SAID COMPOUND; FROM 0.3 TO 15 POUNDS PER BARREL OF A WATER-SOLUBLE SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS AND ALKALINE EARTH METAL SALTS; FROM 1 TO 20 VOLUME PERCENT OF MINERAL OIL DISPERSED IN SAID WATER; AND FRROM 0.2 TO 10 POUNDS PER BARREL OF AN EMULSIFIER COMPRISING "ALKYL PHENOL STILL BOTTOMS" ADDUCTED WITH 1.5 TO 3 PARTS BY WEIGHT OF OXYETHYLENE PER PART BY WEIGHT OF SAID "ALKYL PHENOL STILL BOTTOMS."
Claim 2
Dependent Claim
148 words
A FLUID USEFUL IN DRILLING AND COMPLETING WELLS WHICH COMPRISES, IN COMBINATION A MIXTURE IN WATER OF: A CLAY A SURFACTANT COMPRISING AN OXYETHYLENE ADDUCT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENOL AND ALKYLPHENOL, ANY ALKYL GROUP OF THE LATTER CONTAINING A TOTAL OF FROM 1 TO 10 CARBON ATOMS AND SAID OXYETHYLENE BEING PRESENT IN AN AMOUNT IN THE RANGE OF 20 TO 50 MOLS PER MOL OF SAID COMPOUND; FROM 0.3 TO 15 POUNDS PER BARREL OF A WATER-SOLUBLE SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS AND ALKALINE EARTH METAL SALTS; FROM 1 TO 20 VOLUME PERCENT OF MINERAL OIL DISPERSED IN SAID WATER; AND FRROM 0.2 TO 10 POUNDS PER BARREL OF AN EMULSIFIER COMPRISING "ALKYL PHENOL STILL BOTTOMS" ADDUCTED WITH 1.5 TO 3 PARTS BY WEIGHT OF OXYETHYLENE PER PART BY WEIGHT OF SAID "ALKYL PHENOL STILL BOTTOMS."
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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |