US3208533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Completion system for wells
Assignee: ExxonMobil Upstream Research Co
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Filing: 1964-10-21
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Granted: 1965-09-28
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Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles B Corley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:40
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A SYSTEM FOR USE IN A WELL FROM WHICH HYDROCARBONS ARE PRODUCED FROM A SUBSURFACE PRODUCING FORMATION COMPRISING: A FIRST TUBING STRING EXTENDING TO A POINT ADJACENT THE SUBSURFACE PRODUCING FORMATION AND PROVIDED AT THE BOTTOM THEREOF WITH PERFORATED MEANS ADAPTED TO RECEIVE ACID DISSOLVABLE MATERIAL TO LIMIT THE FLOW OF FLUID FROM THE TUBING STRING; A SECOND TUBING STING EXTENDING TO A POINT ADJACENT THE SUBSURFACE PRODUCING FORMATION; PACKING MEANS POSITIONED ABOUT THE TUBING STRINGS; A FIRST TUBING STRING-SECOND TUBING INTERCONNECTING LINE; ACID DISSOLVABLE MATERIAL ARANGED IN SAID FIRST TUBING STRING TO LIMIT FLOW OF FLUID FROM SAID FIRST TUBING STRING; AND MEANS IN THE SECOND TUBING STRING BELOW THE INTERCONNECTING LINE ADAPTED TO RECEIVE A PLUT.
Claim 2
Independent Claim
118 words
A SYSTEM FOR USE IN A WELL FROM WHICH HYDROCARBONS ARE PRODUCED FROM A SUBSURFACE PRODUCING FORMATION COMPRISING: A FIRST TUBING STRING EXTENDING TO A POINT ADJACENT THE SUBSURFACE PRODUCING FORMATION AND PROVIDED AT THE BOTTOM THEREOF WITH PERFORATED MEANS ADAPTED TO RECEIVE ACID DISSOLVABLE MATERIAL TO LIMIT THE FLOW OF FLUID FROM THE TUBING STRING; A SECOND TUBING STING EXTENDING TO A POINT ADJACENT THE SUBSURFACE PRODUCING FORMATION; PACKING MEANS POSITIONED ABOUT THE TUBING STRINGS; A FIRST TUBING STRING-SECOND TUBING INTERCONNECTING LINE; ACID DISSOLVABLE MATERIAL ARANGED IN SAID FIRST TUBING STRING TO LIMIT FLOW OF FLUID FROM SAID FIRST TUBING STRING; AND MEANS IN THE SECOND TUBING STRING BELOW THE INTERCONNECTING LINE ADAPTED TO RECEIVE A PLUT.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |