US3051653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paraffin control composition and method
Assignee: Halliburton Co
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Filing: 1959-10-06
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Granted: 1962-08-28
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Expires: 1979-10-06
Abstract
No abstract record available.
Inventors
- 👤 Paul L Skolaut
- 👤 Almon B Waters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:02
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/52; C09K8/524; E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; Y; Y10; Y10S; Y10S507/00; Y10S507/922; Y10S507/927; Y10S507/929; Y10S507/931
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A METOD OF TREATING OIL AND GAS WELLS AND THE LIKE FOR INHIBITING THE FORMATION OF PARAFFIN ON SURFACES PAST WHICH LIQUID HYDROCARBONS ARE CONDUCTED, COMPRISING THE STEP OF, INTRODUCING INTO THE WELL A TREATING COMPOSITION CONSISTING ESSENTIALLY OF NAPTHALENE AND A LESS READILY OIL-SOLUBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF BETA NAPHTHOL AND ANTHARACENE AND MIXTURES THEREOF, THE RATIO OF SAID LESS READILY OIL-SOLUBLE MATERIAL TO SAID NAPHTHALENE BEING SUFFICIENTLY LARGE TO REDUCE THE RATE OF SOLUBILITY OF SAID COMPOSITION IN LIQUID HYDROCARBONS AS COMPARED TO THE RATE OF SOLUBILITY OF NAPHTHALENE ALONE IN LIQUID HYDROCARBONS AND THE RATE OF SOLUBILITY OF SAID TREATING COMPOSITION BEING SUFFICIENTLY SLOW THEREBY PROVIDING A CONTINUING PARAFFIN INHIBITING TREATMENT.
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |