Method for insuring oil well treatment on a regular basis as scheduled
US4132268A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1977 |
| Grant date | Jan 2, 1979 |
| Priority date | — |
| Expiry date | Dec 14, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S166/902
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method is disclosed for insuring oil well treatment as with a corrosion inhibitor, for example, with a precise slug of a chemical on a regular basis comprising, briefly, repeatedly and precisely ejecting precisely spaced apart consecutive predetermined slugs of a chemical to the oil well by operating a first valve responsive to a first timer, and repeatedly and precisely ejecting a predetermined precise slug of a flush liquid behind each chemical slug by operating a second valve responsive to a second timer for insuring oil well chemical treatment on a regular basis as scheduled and for eliminating personnel time required for manually flushing each chemical slug throughout the oil well for an extended period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.